nvd3/nv.d3.js
2012-11-15 16:33:36 -05:00

10744 lines
324 KiB
JavaScript

(function(){
var nv = window.nv || {};
nv.version = '0.0.1a';
nv.dev = true //set false when in production
window.nv = nv;
nv.tooltip = {}; // For the tooltip system
nv.utils = {}; // Utility subsystem
nv.models = {}; //stores all the possible models/components
nv.charts = {}; //stores all the ready to use charts
nv.graphs = []; //stores all the graphs currently on the page
nv.logs = {}; //stores some statistics and potential error messages
nv.dispatch = d3.dispatch('render_start', 'render_end');
// *************************************************************************
// Development render timers - disabled if dev = false
if (nv.dev) {
nv.dispatch.on('render_start', function(e) {
nv.logs.startTime = +new Date();
});
nv.dispatch.on('render_end', function(e) {
nv.logs.endTime = +new Date();
nv.logs.totalTime = nv.logs.endTime - nv.logs.startTime;
nv.log('total', nv.logs.totalTime); // used for development, to keep track of graph generation times
});
}
// ********************************************
// Public Core NV functions
// Logs all arguments, and returns the last so you can test things in place
nv.log = function() {
if (nv.dev && console.log && console.log.apply) console.log.apply(console, arguments);
return arguments[arguments.length - 1];
};
nv.render = function render(step) {
step = step || 1; // number of graphs to generate in each timout loop
render.active = true;
nv.dispatch.render_start();
setTimeout(function() {
var chart;
for (var i = 0; i < step && (graph = render.queue[i]); i++) {
chart = graph.generate();
if (typeof graph.callback == typeof(Function)) graph.callback(chart);
nv.graphs.push(chart);
}
render.queue.splice(0, i);
if (render.queue.length) setTimeout(arguments.callee, 0);
else { nv.render.active = false; nv.dispatch.render_end(); }
}, 0);
};
nv.render.active = false;
nv.render.queue = [];
nv.addGraph = function(obj) {
if (typeof arguments[0] === typeof(Function))
obj = {generate: arguments[0], callback: arguments[1]};
nv.render.queue.push(obj);
if (!nv.render.active) nv.render();
};
nv.identity = function(d) { return d; };
nv.strip = function(s) { return s.replace(/(\s|&)/g,''); };
function daysInMonth(month,year) {
return (new Date(year, month+1, 0)).getDate();
}
function d3_time_range(floor, step, number) {
return function(t0, t1, dt) {
var time = floor(t0), times = [];
if (time < t0) step(time);
if (dt > 1) {
while (time < t1) {
var date = new Date(+time);
if ((number(date) % dt === 0)) times.push(date);
step(time);
}
} else {
while (time < t1) { times.push(new Date(+time)); step(time); }
}
return times;
};
}
d3.time.monthEnd = function(date) {
return new Date(date.getFullYear(), date.getMonth(), 0);
};
d3.time.monthEnds = d3_time_range(d3.time.monthEnd, function(date) {
date.setUTCDate(date.getUTCDate() + 1);
date.setDate(daysInMonth(date.getMonth() + 1, date.getFullYear()));
}, function(date) {
return date.getMonth();
}
);
/*****
* A no frills tooltip implementation.
*****/
(function() {
var nvtooltip = window.nv.tooltip = {};
nvtooltip.show = function(pos, content, gravity, dist, parentContainer, classes) {
var container = document.createElement('div');
container.className = 'nvtooltip ' + (classes ? classes : 'xy-tooltip');
gravity = gravity || 's';
dist = dist || 20;
var body = parentContainer ? parentContainer : document.getElementsByTagName('body')[0];
container.innerHTML = content;
container.style.left = 0;
container.style.top = 0;
container.style.opacity = 0;
body.appendChild(container);
var height = parseInt(container.offsetHeight),
width = parseInt(container.offsetWidth),
windowWidth = nv.utils.windowSize().width,
windowHeight = nv.utils.windowSize().height,
scrollTop = window.scrollY,
scrollLeft = window.scrollX,
left, top;
windowHeight = window.innerWidth >= document.body.scrollWidth ? windowHeight : windowHeight - 16;
windowWidth = window.innerHeight >= document.body.scrollHeight ? windowWidth : windowWidth - 16;
var tooltipTop = function ( Elem ) {
var offsetTop = top;
do {
if( !isNaN( Elem.offsetTop ) ) {
offsetTop += (Elem.offsetTop);
}
} while( Elem = Elem.offsetParent );
return offsetTop;
}
var tooltipLeft = function ( Elem ) {
var offsetLeft = left;
do {
if( !isNaN( Elem.offsetLeft ) ) {
offsetLeft += (Elem.offsetLeft);
}
} while( Elem = Elem.offsetParent );
return offsetLeft;
}
switch (gravity) {
case 'e':
left = pos[0] - width - dist;
top = pos[1] - (height / 2);
var tLeft = tooltipLeft(container);
var tTop = tooltipTop(container);
if (tLeft < scrollLeft) left = pos[0] + dist > scrollLeft ? pos[0] + dist : scrollLeft - tLeft + left;
if (tTop < scrollTop) top = scrollTop - tTop + top;
if (tTop + height > scrollTop + windowHeight) top = scrollTop + windowHeight - tTop + top - height;
break;
case 'w':
left = pos[0] + dist;
top = pos[1] - (height / 2);
if (tLeft + width > windowWidth) left = pos[0] - width - dist;
if (tTop < scrollTop) top = scrollTop + 5;
if (tTop + height > scrollTop + windowHeight) top = scrollTop - height - 5;
break;
case 'n':
left = pos[0] - (width / 2) - 5;
top = pos[1] + dist;
var tLeft = tooltipLeft(container);
var tTop = tooltipTop(container);
if (tLeft < scrollLeft) left = scrollLeft + 5;
if (tLeft + width > windowWidth) left = left - width/2 + 5;
if (tTop + height > scrollTop + windowHeight) top = scrollTop + windowHeight - tTop + top - height;
break;
case 's':
left = pos[0] - (width / 2);
top = pos[1] - height - dist;
var tLeft = tooltipLeft(container);
var tTop = tooltipTop(container);
if (tLeft < scrollLeft) left = scrollLeft + 5;
if (tLeft + width > windowWidth) left = left - width/2 + 5;
if (scrollTop > tTop) top = scrollTop;
break;
}
container.style.left = left+'px';
container.style.top = top+'px';
container.style.opacity = 1;
container.style.position = 'absolute'; //fix scroll bar issue
container.style.pointerEvents = 'none'; //fix scroll bar issue
return container;
};
nvtooltip.cleanup = function() {
// Find the tooltips, mark them for removal by this class (so others cleanups won't find it)
var tooltips = document.getElementsByClassName('nvtooltip');
var purging = [];
while(tooltips.length) {
purging.push(tooltips[0]);
tooltips[0].style.transitionDelay = '0 !important';
tooltips[0].style.opacity = 0;
tooltips[0].className = 'nvtooltip-pending-removal';
}
setTimeout(function() {
while (purging.length) {
var removeMe = purging.pop();
removeMe.parentNode.removeChild(removeMe);
}
}, 500);
};
})();
nv.utils.windowSize = function() {
// Sane defaults
var size = {width: 640, height: 480};
// Earlier IE uses Doc.body
if (document.body && document.body.offsetWidth) {
size.width = document.body.offsetWidth;
size.height = document.body.offsetHeight;
}
// IE can use depending on mode it is in
if (document.compatMode=='CSS1Compat' &&
document.documentElement &&
document.documentElement.offsetWidth ) {
size.width = document.documentElement.offsetWidth;
size.height = document.documentElement.offsetHeight;
}
// Most recent browsers use
if (window.innerWidth && window.innerHeight) {
size.width = window.innerWidth;
size.height = window.innerHeight;
}
return (size);
};
// Easy way to bind multiple functions to window.onresize
// TODO: give a way to remove a function after its bound, other than removing alkl of them
nv.utils.windowResize = function(fun){
var oldresize = window.onresize;
window.onresize = function(e) {
if (typeof oldresize == 'function') oldresize(e);
fun(e);
}
}
// Backwards compatible way to implement more d3-like coloring of graphs.
// If passed an array, wrap it in a function which implements the old default
// behaviour
nv.utils.getColor = function(color) {
if (!arguments.length) return nv.utils.defaultColor(); //if you pass in nothing, get default colors back
if( Object.prototype.toString.call( color ) === '[object Array]' )
return function(d, i) { return d.color || color[i % color.length]; };
else
return color;
//can't really help it if someone passes rubish as color
}
// Default color chooser uses the index of an object as before.
nv.utils.defaultColor = function() {
var colors = d3.scale.category20().range();
return function(d, i) { return d.color || colors[i % colors.length] };
}
// Returns a color function that takes the result of 'getKey' for each series and
// looks for a corresponding color from the dictionary,
nv.utils.customTheme = function(dictionary, getKey, defaultColors) {
getKey = getKey || function(series) { return series.key }; // use default series.key if getKey is undefined
defaultColors = defaultColors || d3.scale.category20().range(); //default color function
var defIndex = defaultColors.length; //current default color (going in reverse)
return function(series, index) {
var key = getKey(series);
if (!defIndex) defIndex = defaultColors.length; //used all the default colors, start over
if (typeof dictionary[key] !== "undefined")
return (typeof dictionary[key] === "function") ? dictionary[key]() : dictionary[key];
else
return defaultColors[--defIndex]; // no match in dictionary, use default color
}
}
// From the PJAX example on d3js.org, while this is not really directly needed
// it's a very cool method for doing pjax, I may expand upon it a little bit,
// open to suggestions on anything that may be useful
nv.utils.pjax = function(links, content) {
d3.selectAll(links).on("click", function() {
history.pushState(this.href, this.textContent, this.href);
load(this.href);
d3.event.preventDefault();
});
function load(href) {
d3.html(href, function(fragment) {
var target = d3.select(content).node();
target.parentNode.replaceChild(d3.select(fragment).select(content).node(), target);
nv.utils.pjax(links, content);
});
}
d3.select(window).on("popstate", function() {
if (d3.event.state) load(d3.event.state);
});
}
nv.models.axis = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var axis = d3.svg.axis()
;
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 75 //only used for tickLabel currently
, height = 60 //only used for tickLabel currently
, scale = d3.scale.linear()
, axisLabelText = null
, showMaxMin = true //TODO: showMaxMin should be disabled on all ordinal scaled axes
, highlightZero = true
, rotateLabels = 0
, rotateYLabel = true
, staggerLabels = false
, isOrdinal = false
, ticks = null
;
axis
.scale(scale)
.orient('bottom')
.tickFormat(function(d) { return d })
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var scale0;
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this);
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-axis').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-axis');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g')
//------------------------------------------------------------
if (ticks !== null)
axis.ticks(ticks);
else if (axis.orient() == 'top' || axis.orient() == 'bottom')
axis.ticks(Math.abs(scale.range()[1] - scale.range()[0]) / 100);
//TODO: consider calculating width/height based on whether or not label is added, for reference in charts using this component
d3.transition(g)
.call(axis);
scale0 = scale0 || axis.scale();
var fmt = axis.tickFormat();
if (fmt == null) {
fmt = scale0.tickFormat();
}
var axisLabel = g.selectAll('text.nv-axislabel')
.data([axisLabelText || null]);
axisLabel.exit().remove();
switch (axis.orient()) {
case 'top':
axisLabel.enter().append('text').attr('class', 'nv-axislabel')
.attr('text-anchor', 'middle')
.attr('y', 0);
var w = (scale.range().length==2) ? scale.range()[1] : (scale.range()[scale.range().length-1]+(scale.range()[1]-scale.range()[0]));
axisLabel
.attr('x', w/2);
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'nv-axisMaxMin').append('text');
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(' + scale(d) + ',0)'
})
.select('text')
.attr('dy', '0em')
.attr('y', -axis.tickPadding())
.attr('text-anchor', 'middle')
.text(function(d,i) {
var v = fmt(d);
return ('' + v).match('NaN') ? '' : v;
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(' + scale.range()[i] + ',0)'
});
}
break;
case 'bottom':
var xLabelMargin = 36;
var maxTextWidth = 30;
var xTicks = g.selectAll('g').select("text");
if (rotateLabels%360) {
//Calculate the longest xTick width
xTicks.each(function(d,i){
var width = this.getBBox().width;
if(width > maxTextWidth) maxTextWidth = width;
});
//Convert to radians before calculating sin. Add 30 to margin for healthy padding.
var sin = Math.abs(Math.sin(rotateLabels*Math.PI/180));
var xLabelMargin = (sin ? sin*maxTextWidth : maxTextWidth)+30;
//Rotate all xTicks
xTicks
.attr('transform', function(d,i,j) { return 'rotate(' + rotateLabels + ' 0,0)' })
.attr('text-anchor', rotateLabels%360 > 0 ? 'start' : 'end');
}
axisLabel.enter().append('text').attr('class', 'nv-axislabel')
.attr('text-anchor', 'middle')
.attr('y', xLabelMargin);
var w = (scale.range().length==2) ? scale.range()[1] : (scale.range()[scale.range().length-1]+(scale.range()[1]-scale.range()[0]));
axisLabel
.attr('x', w/2);
if (showMaxMin) {
//if (showMaxMin && !isOrdinal) {
var axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
//.data(scale.domain())
.data([scale.domain()[0], scale.domain()[scale.domain().length - 1]]);
axisMaxMin.enter().append('g').attr('class', 'nv-axisMaxMin').append('text');
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(' + (scale(d) + (isOrdinal ? scale.rangeBand() / 2 : 0)) + ',0)'
})
.select('text')
.attr('dy', '.71em')
.attr('y', axis.tickPadding())
.attr('transform', function(d,i,j) { return 'rotate(' + rotateLabels + ' 0,0)' })
.attr('text-anchor', rotateLabels ? (rotateLabels%360 > 0 ? 'start' : 'end') : 'middle')
.text(function(d,i) {
var v = fmt(d);
return ('' + v).match('NaN') ? '' : v;
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
//return 'translate(' + scale.range()[i] + ',0)'
//return 'translate(' + scale(d) + ',0)'
return 'translate(' + (scale(d) + (isOrdinal ? scale.rangeBand() / 2 : 0)) + ',0)'
});
}
if (staggerLabels)
xTicks
.attr('transform', function(d,i) { return 'translate(0,' + (i % 2 == 0 ? '0' : '12') + ')' });
break;
case 'right':
axisLabel.enter().append('text').attr('class', 'nv-axislabel')
.attr('text-anchor', rotateYLabel ? 'middle' : 'begin')
.attr('transform', rotateYLabel ? 'rotate(90)' : '')
.attr('y', rotateYLabel ? (-Math.max(margin.right,width) - 12) : -10); //TODO: consider calculating this based on largest tick width... OR at least expose this on chart
axisLabel
.attr('x', rotateYLabel ? (scale.range()[0] / 2) : axis.tickPadding());
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'nv-axisMaxMin').append('text')
.style('opacity', 0);
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(0,' + scale(d) + ')'
})
.select('text')
.attr('dy', '.32em')
.attr('y', 0)
.attr('x', axis.tickPadding())
.attr('text-anchor', 'start')
.text(function(d,i) {
var v = fmt(d);
return ('' + v).match('NaN') ? '' : v;
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(0,' + scale.range()[i] + ')'
})
.select('text')
.style('opacity', 1);
}
break;
case 'left':
/*
//For dynamically placing the label. Can be used with dynamically-sized chart axis margins
var yTicks = g.selectAll('g').select("text");
yTicks.each(function(d,i){
var labelPadding = this.getBBox().width + axis.tickPadding() + 16;
if(labelPadding > width) width = labelPadding;
});
*/
axisLabel.enter().append('text').attr('class', 'nv-axislabel')
.attr('text-anchor', rotateYLabel ? 'middle' : 'end')
.attr('transform', rotateYLabel ? 'rotate(-90)' : '')
.attr('y', rotateYLabel ? (-Math.max(margin.left,width) + 12) : -10); //TODO: consider calculating this based on largest tick width... OR at least expose this on chart
axisLabel
.attr('x', rotateYLabel ? (-scale.range()[0] / 2) : -axis.tickPadding());
if (showMaxMin) {
var axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
.data(scale.domain());
axisMaxMin.enter().append('g').attr('class', 'nv-axisMaxMin').append('text')
.style('opacity', 0);
axisMaxMin.exit().remove();
axisMaxMin
.attr('transform', function(d,i) {
return 'translate(0,' + scale0(d) + ')'
})
.select('text')
.attr('dy', '.32em')
.attr('y', 0)
.attr('x', -axis.tickPadding())
.attr('text-anchor', 'end')
.text(function(d,i) {
var v = fmt(d);
return ('' + v).match('NaN') ? '' : v;
});
d3.transition(axisMaxMin)
.attr('transform', function(d,i) {
return 'translate(0,' + scale.range()[i] + ')'
})
.select('text')
.style('opacity', 1);
}
break;
}
axisLabel
.text(function(d) { return d });
if (showMaxMin && (axis.orient() === 'left' || axis.orient() === 'right')) {
//check if max and min overlap other values, if so, hide the values that overlap
g.selectAll('g') // the g's wrapping each tick
.each(function(d,i) {
d3.select(this).select('text').attr('opacity', 1);
if (scale(d) < scale.range()[1] + 10 || scale(d) > scale.range()[0] - 10) { // 10 is assuming text height is 16... if d is 0, leave it!
if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
d3.select(this).attr('opacity', 0);
d3.select(this).select('text').attr('opacity', 0); // Don't remove the ZERO line!!
}
});
//if Max and Min = 0 only show min, Issue #281
if (scale.domain()[0] == scale.domain()[1] && scale.domain()[0] == 0)
wrap.selectAll('g.nv-axisMaxMin')
.style('opacity', function(d,i) { return !i ? 1 : 0 });
}
if (showMaxMin && (axis.orient() === 'top' || axis.orient() === 'bottom')) {
var maxMinRange = [];
wrap.selectAll('g.nv-axisMaxMin')
.each(function(d,i) {
try {
if (i) // i== 1, max position
maxMinRange.push(scale(d) - this.getBBox().width - 4) //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
else // i==0, min position
maxMinRange.push(scale(d) + this.getBBox().width + 4)
}catch (err) {
if (i) // i== 1, max position
maxMinRange.push(scale(d) - 4) //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
else // i==0, min position
maxMinRange.push(scale(d) + 4)
}
});
g.selectAll('g') // the g's wrapping each tick
.each(function(d,i) {
if (scale(d) < maxMinRange[0] || scale(d) > maxMinRange[1]) {
if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
d3.select(this).remove();
else
d3.select(this).select('text').remove(); // Don't remove the ZERO line!!
}
});
}
//highlight zero line ... Maybe should not be an option and should just be in CSS?
if (highlightZero)
g.selectAll('line.tick')
.filter(function(d) { return !parseFloat(Math.round(d*100000)/1000000) }) //this is because sometimes the 0 tick is a very small fraction, TODO: think of cleaner technique
.classed('zero', true);
//store old scales for use in transitions on update
scale0 = scale.copy();
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.axis = axis;
d3.rebind(chart, axis, 'orient', 'tickValues', 'tickSubdivide', 'tickSize', 'tickPadding', 'tickFormat');
d3.rebind(chart, scale, 'domain', 'range', 'rangeBand', 'rangeBands'); //these are also accessible by chart.scale(), but added common ones directly for ease of use
chart.margin = function(_) {
if(!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
}
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.ticks = function(_) {
if (!arguments.length) return ticks;
ticks = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.axisLabel = function(_) {
if (!arguments.length) return axisLabelText;
axisLabelText = _;
return chart;
}
chart.showMaxMin = function(_) {
if (!arguments.length) return showMaxMin;
showMaxMin = _;
return chart;
}
chart.highlightZero = function(_) {
if (!arguments.length) return highlightZero;
highlightZero = _;
return chart;
}
chart.scale = function(_) {
if (!arguments.length) return scale;
scale = _;
axis.scale(scale);
isOrdinal = typeof scale.rangeBands === 'function';
d3.rebind(chart, scale, 'domain', 'range', 'rangeBand', 'rangeBands');
return chart;
}
chart.rotateYLabel = function(_) {
if(!arguments.length) return rotateYLabel;
rotateYLabel = _;
return chart;
}
chart.rotateLabels = function(_) {
if(!arguments.length) return rotateLabels;
rotateLabels = _;
return chart;
}
chart.staggerLabels = function(_) {
if (!arguments.length) return staggerLabels;
staggerLabels = _;
return chart;
};
//============================================================
return chart;
}
//TODO: consider deprecating and using multibar with single series for this
nv.models.historicalBar = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
, x = d3.scale.linear()
, y = d3.scale.linear()
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, forceX = []
, forceY = [0]
, clipEdge = true
, color = nv.utils.defaultColor()
, xDomain
, yDomain
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//------------------------------------------------------------
// Setup Scales
x .domain(xDomain || d3.extent(data[0].values.map(getX).concat(forceX) ))
.range([0, availableWidth]);
y .domain(yDomain || d3.extent(data[0].values.map(getY).concat(forceY) ))
.range([availableHeight, 0]);
// If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
if (x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1]) singlePoint = true;
if (x.domain()[0] === x.domain()[1])
x.domain()[0] ?
x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
: x.domain([-1,1]);
if (y.domain()[0] === y.domain()[1])
y.domain()[0] ?
y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
: y.domain([-1,1]);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-bar').data([data[0].values]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-bar');
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-bars');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
container
.on('click', function(d,i) {
dispatch.chartClick({
data: d,
index: i,
pos: d3.event,
id: id
});
});
defsEnter.append('clipPath')
.attr('id', 'nv-chart-clip-path-' + id)
.append('rect');
wrap.select('#nv-chart-clip-path-' + id + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
g .attr('clip-path', clipEdge ? 'url(#nv-chart-clip-path-' + id + ')' : '');
var bars = wrap.select('.nv-bars').selectAll('.nv-bar')
.data(function(d) { return d });
bars.exit().remove();
var barsEnter = bars.enter().append('rect')
//.attr('class', function(d,i,j) { return (getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive') + ' nv-bar-' + j + '-' + i })
.attr('x', 0 )
.attr('y', function(d,i) { return y(Math.max(0, getY(d,i))) })
.attr('height', function(d,i) { return Math.abs(y(getY(d,i)) - y(0)) })
.on('mouseover', function(d,i) {
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
point: d,
series: data[0],
pos: [x(getX(d,i)), y(getY(d,i))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: 0,
e: d3.event
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
point: d,
series: data[0],
pointIndex: i,
seriesIndex: 0,
e: d3.event
});
})
.on('click', function(d,i) {
dispatch.elementClick({
//label: d[label],
value: getY(d,i),
data: d,
index: i,
pos: [x(getX(d,i)), y(getY(d,i))],
e: d3.event,
id: id
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
//label: d[label],
value: getY(d,i),
data: d,
index: i,
pos: [x(getX(d,i)), y(getY(d,i))],
e: d3.event,
id: id
});
d3.event.stopPropagation();
});
bars
.attr('fill', function(d,i) { return color(d, i); })
.attr('class', function(d,i,j) { return (getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive') + ' nv-bar-' + j + '-' + i })
.attr('transform', function(d,i) { return 'translate(' + (x(getX(d,i)) - ((availableWidth / data[0].values.length) * .5)) + ',0)'; }) //TODO: better width calculations that don't assume always uniform data spacing;w
.attr('width', (availableWidth / data[0].values.length) * .9 )
d3.transition(bars)
//.attr('y', function(d,i) { return y(Math.max(0, getY(d,i))) })
.attr('y', function(d,i) {
return getY(d,i) < 0 ?
y(0) :
y(0) - y(getY(d,i)) < 1 ?
y(0) - 1 :
y(getY(d,i))
})
.attr('height', function(d,i) { return Math.max(Math.abs(y(getY(d,i)) - y(0)),1) });
//.order(); // not sure if this makes any sense for this model
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.forceX = function(_) {
if (!arguments.length) return forceX;
forceX = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
//============================================================
return chart;
}
// Chart design based on the recommendations of Stephen Few. Implementation
// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
// http://projects.instantcognition.com/protovis/bulletchart/
nv.models.bullet = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, orient = 'left' // TODO top & bottom
, reverse = false
, ranges = function(d) { return d.ranges }
, markers = function(d) { return d.markers }
, measures = function(d) { return d.measures }
, forceX = [0] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
, width = 380
, height = 30
, tickFormat = null
, color = nv.utils.getColor(['#1f77b4'])
, dispatch = d3.dispatch('elementMouseover', 'elementMouseout')
;
//============================================================
function chart(selection) {
selection.each(function(d, i) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
var rangez = ranges.call(this, d, i).slice().sort(d3.descending),
markerz = markers.call(this, d, i).slice().sort(d3.descending),
measurez = measures.call(this, d, i).slice().sort(d3.descending);
//------------------------------------------------------------
// Setup Scales
// Compute the new x-scale.
var x1 = d3.scale.linear()
.domain([0, Math.max(rangez[0], markerz[0], measurez[0])]) // TODO: need to allow forceX and forceY, and xDomain, yDomain
.range(reverse ? [availableWidth, 0] : [0, availableWidth]);
// Retrieve the old x-scale, if this is an update.
var x0 = this.__chart__ || d3.scale.linear()
.domain([0, Infinity])
.range(x1.range());
// Stash the new scale.
this.__chart__ = x1;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-bullet').data([d]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-bullet');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
var w0 = function(d) { return Math.abs(x0(d) - x0(0)) }, // TODO: could optimize by precalculating x0(0) and x1(0)
w1 = function(d) { return Math.abs(x1(d) - x1(0)) };
// Update the range rects.
var range = g.selectAll('rect.nv-range')
.data(rangez);
range.enter().append('rect')
.attr('class', function(d, i) { return 'nv-range nv-s' + i; })
.attr('width', w0)
.attr('height', availableHeight)
.attr('x', reverse ? x0 : 0)
.on('mouseover', function(d,i) {
dispatch.elementMouseover({
value: d,
label: (i <= 0) ? 'Maximum' : (i > 1) ? 'Minimum' : 'Mean', //TODO: make these labels a variable
pos: [x1(d), availableHeight/2]
})
})
.on('mouseout', function(d,i) {
dispatch.elementMouseout({
value: d,
label: (i <= 0) ? 'Minimum' : (i >=1) ? 'Maximum' : 'Mean' //TODO: make these labels a variable
})
})
d3.transition(range)
.attr('x', reverse ? x1 : 0)
.attr('width', w1)
.attr('height', availableHeight);
// Update the measure rects.
var measure = g.selectAll('rect.nv-measure')
.data(measurez);
measure.enter().append('rect')
.attr('class', function(d, i) { return 'nv-measure nv-s' + i; })
.style('fill', function(d,i) { return color(d,i ) })
.attr('width', w0)
.attr('height', availableHeight / 3)
.attr('x', reverse ? x0 : 0)
.attr('y', availableHeight / 3)
.on('mouseover', function(d) {
dispatch.elementMouseover({
value: d,
label: 'Current', //TODO: make these labels a variable
pos: [x1(d), availableHeight/2]
})
})
.on('mouseout', function(d) {
dispatch.elementMouseout({
value: d,
label: 'Current' //TODO: make these labels a variable
})
})
d3.transition(measure)
.attr('width', w1)
.attr('height', availableHeight / 3)
.attr('x', reverse ? x1 : 0)
.attr('y', availableHeight / 3);
// Update the marker lines.
var marker = g.selectAll('path.nv-markerTriangle')
.data(markerz);
var h3 = availableHeight / 6;
marker.enter().append('path')
.attr('class', 'nv-markerTriangle')
.attr('transform', function(d) { return 'translate(' + x0(d) + ',' + (availableHeight / 2) + ')' })
.attr('d', 'M0,' + h3 + 'L' + h3 + ',' + (-h3) + ' ' + (-h3) + ',' + (-h3) + 'Z')
.on('mouseover', function(d,i) {
dispatch.elementMouseover({
value: d,
label: 'Previous',
pos: [x1(d), availableHeight/2]
})
})
.on('mouseout', function(d,i) {
dispatch.elementMouseout({
value: d,
label: 'Previous'
})
});
d3.transition(marker)
.attr('transform', function(d) { return 'translate(' + x1(d) + ',' + (availableHeight / 2) + ')' });
marker.exit().remove();
});
d3.timer.flush();
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
// left, right, top, bottom
chart.orient = function(_) {
if (!arguments.length) return orient;
orient = _;
reverse = orient == 'right' || orient == 'bottom';
return chart;
};
// ranges (bad, satisfactory, good)
chart.ranges = function(_) {
if (!arguments.length) return ranges;
ranges = _;
return chart;
};
// markers (previous, goal)
chart.markers = function(_) {
if (!arguments.length) return markers;
markers = _;
return chart;
};
// measures (actual, forecast)
chart.measures = function(_) {
if (!arguments.length) return measures;
measures = _;
return chart;
};
chart.forceX = function(_) {
if (!arguments.length) return forceX;
forceX = _;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.tickFormat = function(_) {
if (!arguments.length) return tickFormat;
tickFormat = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
//============================================================
return chart;
};
// Chart design based on the recommendations of Stephen Few. Implementation
// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
// http://projects.instantcognition.com/protovis/bulletchart/
nv.models.bulletChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var bullet = nv.models.bullet()
;
var orient = 'left' // TODO top & bottom
, reverse = false
, margin = {top: 5, right: 40, bottom: 20, left: 120}
, ranges = function(d) { return d.ranges }
, markers = function(d) { return d.markers }
, measures = function(d) { return d.measures }
, width = null
, height = 55
, tickFormat = null
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + x + '</h3>' +
'<p>' + y + '</p>'
}
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ) + margin.left,
top = e.pos[1] + ( offsetElement.offsetTop || 0) + margin.top,
content = tooltip(e.key, e.label, e.value, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'e' : 'w', null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(d, i) {
var container = d3.select(this);
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
that = this;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!d || !ranges.call(this, d, i)) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', 18 + margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
var rangez = ranges.call(this, d, i).slice().sort(d3.descending),
markerz = markers.call(this, d, i).slice().sort(d3.descending),
measurez = measures.call(this, d, i).slice().sort(d3.descending);
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-bulletChart').data([d]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-bulletChart');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-bulletWrap');
gEnter.append('g').attr('class', 'nv-titles');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Compute the new x-scale.
var x1 = d3.scale.linear()
.domain([0, Math.max(rangez[0], markerz[0], measurez[0])]) // TODO: need to allow forceX and forceY, and xDomain, yDomain
.range(reverse ? [availableWidth, 0] : [0, availableWidth]);
// Retrieve the old x-scale, if this is an update.
var x0 = this.__chart__ || d3.scale.linear()
.domain([0, Infinity])
.range(x1.range());
// Stash the new scale.
this.__chart__ = x1;
/*
// Derive width-scales from the x-scales.
var w0 = bulletWidth(x0),
w1 = bulletWidth(x1);
function bulletWidth(x) {
var x0 = x(0);
return function(d) {
return Math.abs(x(d) - x(0));
};
}
function bulletTranslate(x) {
return function(d) {
return 'translate(' + x(d) + ',0)';
};
}
*/
var w0 = function(d) { return Math.abs(x0(d) - x0(0)) }, // TODO: could optimize by precalculating x0(0) and x1(0)
w1 = function(d) { return Math.abs(x1(d) - x1(0)) };
var title = gEnter.select('.nv-titles').append('g')
.attr('text-anchor', 'end')
.attr('transform', 'translate(-6,' + (height - margin.top - margin.bottom) / 2 + ')');
title.append('text')
.attr('class', 'nv-title')
.text(function(d) { return d.title; });
title.append('text')
.attr('class', 'nv-subtitle')
.attr('dy', '1em')
.text(function(d) { return d.subtitle; });
bullet
.width(availableWidth)
.height(availableHeight)
var bulletWrap = g.select('.nv-bulletWrap');
d3.transition(bulletWrap).call(bullet);
// Compute the tick format.
var format = tickFormat || x1.tickFormat( availableWidth / 100 );
// Update the tick groups.
var tick = g.selectAll('g.nv-tick')
.data(x1.ticks( availableWidth / 50 ), function(d) {
return this.textContent || format(d);
});
// Initialize the ticks with the old scale, x0.
var tickEnter = tick.enter().append('g')
.attr('class', 'nv-tick')
.attr('transform', function(d) { return 'translate(' + x0(d) + ',0)' })
.style('opacity', 1e-6);
tickEnter.append('line')
.attr('y1', availableHeight)
.attr('y2', availableHeight * 7 / 6);
tickEnter.append('text')
.attr('text-anchor', 'middle')
.attr('dy', '1em')
.attr('y', availableHeight * 7 / 6)
.text(format);
// Transition the updating ticks to the new scale, x1.
var tickUpdate = d3.transition(tick)
.attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
.style('opacity', 1);
tickUpdate.select('line')
.attr('y1', availableHeight)
.attr('y2', availableHeight * 7 / 6);
tickUpdate.select('text')
.attr('y', availableHeight * 7 / 6);
// Transition the exiting ticks to the new scale, x1.
d3.transition(tick.exit())
.attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
.style('opacity', 1e-6)
.remove();
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
dispatch.on('tooltipShow', function(e) {
e.key = data[0].title;
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
});
d3.timer.flush();
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
bullet.dispatch.on('elementMouseover.tooltip', function(e) {
dispatch.tooltipShow(e);
});
bullet.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.bullet = bullet;
d3.rebind(chart, bullet, 'color');
// left, right, top, bottom
chart.orient = function(x) {
if (!arguments.length) return orient;
orient = x;
reverse = orient == 'right' || orient == 'bottom';
return chart;
};
// ranges (bad, satisfactory, good)
chart.ranges = function(x) {
if (!arguments.length) return ranges;
ranges = x;
return chart;
};
// markers (previous, goal)
chart.markers = function(x) {
if (!arguments.length) return markers;
markers = x;
return chart;
};
// measures (actual, forecast)
chart.measures = function(x) {
if (!arguments.length) return measures;
measures = x;
return chart;
};
chart.width = function(x) {
if (!arguments.length) return width;
width = x;
return chart;
};
chart.height = function(x) {
if (!arguments.length) return height;
height = x;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.tickFormat = function(x) {
if (!arguments.length) return tickFormat;
tickFormat = x;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
};
nv.models.cumulativeLineChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var lines = nv.models.line()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend()
, controls = nv.models.legend()
;
var margin = {top: 30, right: 30, bottom: 50, left: 60}
, color = nv.utils.defaultColor()
, width = null
, height = null
, showLegend = true
, tooltips = true
, showControls = true
, rescaleY = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' at ' + x + '</p>'
}
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, id = lines.id()
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
xAxis
.orient('bottom')
.tickPadding(7)
;
yAxis
.orient('left')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var dx = d3.scale.linear()
, index = {i: 0, x: 0}
;
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(lines.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, null, null, offsetElement);
};
/*
//Moved to see if we can get better behavior to fix issue #315
var indexDrag = d3.behavior.drag()
.on('dragstart', dragStart)
.on('drag', dragMove)
.on('dragend', dragEnd);
function dragStart(d,i) {
d3.select(chart.container)
.style('cursor', 'ew-resize');
}
function dragMove(d,i) {
d.x += d3.event.dx;
d.i = Math.round(dx.invert(d.x));
d3.select(this).attr('transform', 'translate(' + dx(d.i) + ',0)');
chart.update();
}
function dragEnd(d,i) {
d3.select(chart.container)
.style('cursor', 'auto');
chart.update();
}
*/
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this).classed('nv-chart-' + id, true),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
var indexDrag = d3.behavior.drag()
.on('dragstart', dragStart)
.on('drag', dragMove)
.on('dragend', dragEnd);
function dragStart(d,i) {
d3.select(chart.container)
.style('cursor', 'ew-resize');
}
function dragMove(d,i) {
index.x = d3.event.x;
index.i = Math.round(dx.invert(index.x));
updateZero();
}
function dragEnd(d,i) {
d3.select(chart.container)
.style('cursor', 'auto');
}
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = lines.xScale();
y = lines.yScale();
if (!rescaleY) {
var seriesDomains = data
.filter(function(series) { return !series.disabled })
.map(function(series,i) {
var initialDomain = d3.extent(series.values, lines.y());
//account for series being disabled when losing 95% or more
if (initialDomain[0] < -.95) initialDomain[0] = -.95;
return [
(initialDomain[0] - initialDomain[1]) / (1 + initialDomain[1]),
(initialDomain[1] - initialDomain[0]) / (1 + initialDomain[0])
];
});
var completeDomain = [
d3.min(seriesDomains, function(d) { return d[0] }),
d3.max(seriesDomains, function(d) { return d[1] })
]
lines.yDomain(completeDomain);
} else {
lines.yDomain(null);
}
dx .domain([0, data[0].values.length - 1]) //Assumes all series have same length
.range([0, availableWidth])
.clamp(true);
//------------------------------------------------------------
var data = indexify(index.i, data);
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-cumulativeLine').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-cumulativeLine').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-background');
gEnter.append('g').attr('class', 'nv-linesWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
gEnter.append('g').attr('class', 'nv-controlsWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width(availableWidth);
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(0,' + (-margin.top) +')')
}
//------------------------------------------------------------
//------------------------------------------------------------
// Controls
if (showControls) {
var controlsData = [
{ key: 'Re-scale y-axis', disabled: !rescaleY }
];
controls.width(140).color(['#444', '#444', '#444']);
g.select('.nv-controlsWrap')
.datum(controlsData)
.attr('transform', 'translate(0,' + (-margin.top) +')')
.call(controls);
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
// Show error if series goes below 100%
var tempDisabled = data.filter(function(d) { return d.tempDisabled });
wrap.select('.tempDisabled').remove(); //clean-up and prevent duplicates
if (tempDisabled.length) {
wrap.append('text').attr('class', 'tempDisabled')
.attr('x', availableWidth / 2)
.attr('y', '-.71em')
.style('text-anchor', 'end')
.text(tempDisabled.map(function(d) { return d.key }).join(', ') + ' values cannot be calculated for this time period.');
}
//------------------------------------------------------------
// Main Chart Component(s)
gEnter.select('.nv-background')
.append('rect');
g.select('.nv-background rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
lines
//.x(function(d) { return d.x })
.y(function(d) { return d.display.y })
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled && !data[i].tempDisabled }));
var linesWrap = g.select('.nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled && !d.tempDisabled }));
//d3.transition(linesWrap).call(lines);
linesWrap.call(lines);
var indexLine = linesWrap.selectAll('.nv-indexLine')
.data([index]);
indexLine.enter().append('rect').attr('class', 'nv-indexLine')
.attr('width', 3)
.attr('x', -2)
.attr('fill', 'red')
.attr('fill-opacity', .5)
.call(indexDrag)
indexLine
.attr('transform', function(d) { return 'translate(' + dx(d.i) + ',0)' })
.attr('height', availableHeight)
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
//Suggest how many ticks based on the chart width and D3 should listen (70 is the optimal number for MM/DD/YY dates)
.ticks( Math.min(data[0].values.length,availableWidth/70) )
.tickSize(-availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
d3.transition(g.select('.nv-x.nv-axis'))
.call(xAxis);
yAxis
.scale(y)
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.nv-y.nv-axis'))
.call(yAxis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
function updateZero() {
indexLine
.data([index]);
chart.update();
}
g.select('.nv-background rect')
.on('click', function() {
index.x = d3.mouse(this)[0];
index.i = Math.round(dx.invert(index.x));
updateZero();
});
lines.dispatch.on('elementClick', function(e) {
index.i = e.pointIndex;
index.x = dx(index.i);
updateZero();
});
controls.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
rescaleY = !d.disabled;
//selection.transition().call(chart);
selection.call(chart);
});
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
//selection.transition().call(chart);
selection.call(chart);
});
/*
//
legend.dispatch.on('legendMouseover', function(d, i) {
d.hover = true;
selection.transition().call(chart)
});
legend.dispatch.on('legendMouseout', function(d, i) {
d.hover = false;
selection.transition().call(chart)
});
*/
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
lines.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.lines = lines;
chart.legend = legend;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, lines, 'defined', 'isArea', 'x', 'y', 'size', 'xDomain', 'yDomain', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
return chart;
};
chart.showControls = function(_) {
if (!arguments.length) return showControls;
showControls = _;
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
//============================================================
// Functions
//------------------------------------------------------------
/* Normalize the data according to an index point. */
function indexify(idx, data) {
return data.map(function(line, i) {
var v = lines.y()(line.values[idx], idx);
//TODO: implement check below, and disable series if series loses 100% or more cause divide by 0 issue
if (v < -.95) {
//if a series loses more than 100%, calculations fail.. anything close can cause major distortion (but is mathematically currect till it hits 100)
line.tempDisabled = true;
return line;
}
line.tempDisabled = false;
line.values = line.values.map(function(point, pointIndex) {
point.display = {'y': (lines.y()(point, pointIndex) - v) / (1 + v) };
return point;
})
return line;
})
}
//============================================================
return chart;
}
//TODO: consider deprecating by adding necessary features to multiBar model
nv.models.discreteBar = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
, x = d3.scale.ordinal()
, y = d3.scale.linear()
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
, color = nv.utils.defaultColor()
, showValues = false
, valueFormat = d3.format(',.2f')
, xDomain
, yDomain
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
, rectClass = 'discreteBar'
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//add series index to each data point for reference
data = data.map(function(series, i) {
series.values = series.values.map(function(point) {
point.series = i;
return point;
});
return series;
});
//------------------------------------------------------------
// Setup Scales
// remap and flatten the data for use in calculating the scales' domains
var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
data.map(function(d) {
return d.values.map(function(d,i) {
return { x: getX(d,i), y: getY(d,i), y0: d.y0 }
})
});
x .domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
.rangeBands([0, availableWidth], .1);
y .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y }).concat(forceY)));
// If showValues, pad the Y axis range to account for label height
if (showValues) y.range([availableHeight - (y.domain()[0] < 0 ? 12 : 0), y.domain()[1] > 0 ? 12 : 0]);
else y.range([availableHeight, 0]);
//store old scales if they exist
x0 = x0 || x;
y0 = y0 || y.copy().range([y(0),y(0)]);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-discretebar').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discretebar');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-groups');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
//TODO: by definition, the discrete bar should not have multiple groups, will modify/remove later
var groups = wrap.select('.nv-groups').selectAll('.nv-group')
.data(function(d) { return d }, function(d) { return d.key });
groups.enter().append('g')
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6);
d3.transition(groups.exit())
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6)
.remove();
groups
.attr('class', function(d,i) { return 'nv-group nv-series-' + i })
.classed('hover', function(d) { return d.hover });
d3.transition(groups)
.style('stroke-opacity', 1)
.style('fill-opacity', .75);
var bars = groups.selectAll('g.nv-bar')
.data(function(d) { return d.values });
bars.exit().remove();
var barsEnter = bars.enter().append('g')
.attr('transform', function(d,i,j) {
return 'translate(' + (x(getX(d,i)) + x.rangeBand() * .05 ) + ', ' + y(0) + ')'
})
.on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (d.series + .5) / data.length), y(getY(d,i))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
value: getY(d,i),
point: d,
series: data[d.series],
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
})
.on('click', function(d,i) {
dispatch.elementClick({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (d.series + .5) / data.length), y(getY(d,i))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (d.series + .5) / data.length), y(getY(d,i))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
d3.event.stopPropagation();
});
barsEnter.append('rect')
.attr('height', 0)
.attr('width', x.rangeBand() * .9 / data.length )
if (showValues) {
barsEnter.append('text')
.attr('text-anchor', 'middle')
bars.select('text')
.attr('x', x.rangeBand() * .9 / 2)
.attr('y', function(d,i) { return getY(d,i) < 0 ? y(getY(d,i)) - y(0) + 12 : -4 })
.text(function(d,i) { return valueFormat(getY(d,i)) });
} else {
bars.selectAll('text').remove();
}
bars
.attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive' })
.style('fill', function(d,i) { return d.color || color(d,i) })
.style('stroke', function(d,i) { return d.color || color(d,i) })
.select('rect')
.attr('class', rectClass)
.attr('width', x.rangeBand() * .9 / data.length);
d3.transition(bars)
//.delay(function(d,i) { return i * 1200 / data[0].values.length })
.attr('transform', function(d,i) {
var left = x(getX(d,i)) + x.rangeBand() * .05,
top = getY(d,i) < 0 ?
y(0) :
y(0) - y(getY(d,i)) < 1 ?
y(0) - 1 : //make 1 px positive bars show up above y=0
y(getY(d,i));
return 'translate(' + left + ', ' + top + ')'
})
.select('rect')
.attr('height', function(d,i) {
return Math.max(Math.abs(y(getY(d,i)) - y(0)) || 1)
});
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
chart.showValues = function(_) {
if (!arguments.length) return showValues;
showValues = _;
return chart;
};
chart.valueFormat= function(_) {
if (!arguments.length) return valueFormat;
valueFormat = _;
return chart;
};
chart.rectClass= function(_) {
if (!arguments.length) return rectClass;
rectClass = _;
return chart;
}
//============================================================
return chart;
}
nv.models.discreteBarChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var discretebar = nv.models.discreteBar()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
;
var margin = {top: 15, right: 10, bottom: 50, left: 60}
, width = null
, height = null
, color = nv.utils.getColor()
, staggerLabels = false
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + x + '</h3>' +
'<p>' + y + '</p>'
}
, x
, y
, noData = "No Data Available."
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
xAxis
.orient('bottom')
.highlightZero(false)
.showMaxMin(false)
.tickFormat(function(d) { return d })
;
yAxis
.orient('left')
.tickFormat(d3.format(',.1f'))
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(discretebar.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(discretebar.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { selection.transition().call(chart); };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = discretebar.xScale();
y = discretebar.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-discreteBarWithAxes').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discreteBarWithAxes').append('g');
var defsEnter = gEnter.append('defs');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-barsWrap');
g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
//------------------------------------------------------------
// Main Chart Component(s)
discretebar
.width(availableWidth)
.height(availableHeight);
var barsWrap = g.select('.nv-barsWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(barsWrap).call(discretebar);
//------------------------------------------------------------
defsEnter.append('clipPath')
.attr('id', 'nv-x-label-clip-' + discretebar.id())
.append('rect');
g.select('#nv-x-label-clip-' + discretebar.id() + ' rect')
.attr('width', x.rangeBand() * (staggerLabels ? 2 : 1))
.attr('height', 16)
.attr('x', -x.rangeBand() / (staggerLabels ? 1 : 2 ));
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( availableWidth / 100 )
.tickSize(-availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + (y.range()[0] + ((discretebar.showValues() && y.domain()[0] < 0) ? 16 : 0)) + ')');
//d3.transition(g.select('.nv-x.nv-axis'))
g.select('.nv-x.nv-axis').transition().duration(0)
.call(xAxis);
var xTicks = g.select('.nv-x.nv-axis').selectAll('g');
if (staggerLabels) {
xTicks
.selectAll('text')
.attr('transform', function(d,i,j) { return 'translate(0,' + (j % 2 == 0 ? '5' : '17') + ')' })
}
yAxis
.scale(y)
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.nv-y.nv-axis'))
.call(yAxis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
discretebar.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
discretebar.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.discretebar = discretebar;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, discretebar, 'x', 'y', 'xDomain', 'yDomain', 'forceX', 'forceY', 'id', 'showValues', 'valueFormat');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
discretebar.color(color);
return chart;
};
chart.staggerLabels = function(_) {
if (!arguments.length) return staggerLabels;
staggerLabels = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.distribution = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 400 //technically width or height depending on x or y....
, size = 8
, axis = 'x' // 'x' or 'y'... horizontal or vertical
, getData = function(d) { return d[axis] } // defaults d.x or d.y
, color = nv.utils.defaultColor()
, scale = d3.scale.linear()
, domain
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var scale0;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableLength = width - (axis === 'x' ? margin.left + margin.right : margin.top + margin.bottom),
naxis = axis == 'x' ? 'y' : 'x',
container = d3.select(this);
//------------------------------------------------------------
// Setup Scales
scale0 = scale0 || scale;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-distribution').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-distribution');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')')
//------------------------------------------------------------
var distWrap = g.selectAll('g.nv-dist')
.data(function(d) { return d }, function(d) { return d.key });
distWrap.enter().append('g');
distWrap
.attr('class', function(d,i) { return 'nv-dist nv-series-' + i })
.style('stroke', function(d,i) { return color(d, i) });
var dist = distWrap.selectAll('line.nv-dist' + axis)
.data(function(d) { return d.values })
dist.enter().append('line')
.attr(axis + '1', function(d,i) { return scale0(getData(d,i)) })
.attr(axis + '2', function(d,i) { return scale0(getData(d,i)) })
d3.transition(distWrap.exit().selectAll('line.nv-dist' + axis))
.attr(axis + '1', function(d,i) { return scale(getData(d,i)) })
.attr(axis + '2', function(d,i) { return scale(getData(d,i)) })
.style('stroke-opacity', 0)
.remove();
dist
.attr('class', function(d,i) { return 'nv-dist' + axis + ' nv-dist' + axis + '-' + i })
.attr(naxis + '1', 0)
.attr(naxis + '2', size);
d3.transition(dist)
.attr(axis + '1', function(d,i) { return scale(getData(d,i)) })
.attr(axis + '2', function(d,i) { return scale(getData(d,i)) })
scale0 = scale.copy();
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.axis = function(_) {
if (!arguments.length) return axis;
axis = _;
return chart;
};
chart.size = function(_) {
if (!arguments.length) return size;
size = _;
return chart;
};
chart.getData = function(_) {
if (!arguments.length) return getData;
getData = d3.functor(_);
return chart;
};
chart.scale = function(_) {
if (!arguments.length) return scale;
scale = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
//============================================================
return chart;
}
nv.models.indentedTree = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0} //TODO: implement, maybe as margin on the containing div
, width = 960
, height = 500
, color = nv.utils.defaultColor()
, id = Math.floor(Math.random() * 10000)
, header = true
, noData = "No Data Available."
, childIndent = 20
, columns = [{key:'key', label: 'Name', type:'text'}] //TODO: consider functions like chart.addColumn, chart.removeColumn, instead of a block like this
, tableClass = null
, iconOpen = 'images/grey-plus.png' //TODO: consider removing this and replacing with a '+' or '-' unless user defines images
, iconClose = 'images/grey-minus.png'
, dispatch = d3.dispatch('elementClick', 'elementDblclick', 'elementMouseover', 'elementMouseout')
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var i = 0,
depth = 1;
var tree = d3.layout.tree()
.children(function(d) { return d.values })
.size([height, childIndent]); //Not sure if this is needed now that the result is HTML
chart.update = function() { selection.transition().call(chart) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data[0]) data[0] = {key: noData};
//------------------------------------------------------------
var nodes = tree.nodes(data[0]);
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = d3.select(this).selectAll('div').data([[nodes]]);
var wrapEnter = wrap.enter().append('div').attr('class', 'nvd3 nv-wrap nv-indentedtree');
var tableEnter = wrapEnter.append('table');
var table = wrap.select('table').attr('width', '100%').attr('class', tableClass);
//------------------------------------------------------------
if (header) {
var thead = tableEnter.append('thead');
var theadRow1 = thead.append('tr');
columns.forEach(function(column) {
theadRow1
.append('th')
.attr('width', column.width ? column.width : '10%')
.style('text-align', column.type == 'numeric' ? 'right' : 'left')
.append('span')
.text(column.label);
});
}
var tbody = table.selectAll('tbody')
.data(function(d) {return d });
tbody.enter().append('tbody');
//compute max generations
depth = d3.max(nodes, function(node) { return node.depth });
tree.size([height, depth * childIndent]); //TODO: see if this is necessary at all
// Update the nodes…
var node = tbody.selectAll('tr')
.data(function(d) { return d }, function(d) { return d.id || (d.id == ++i)});
//.style('display', 'table-row'); //TODO: see if this does anything
node.exit().remove();
node.select('img.nv-treeicon')
.attr('src', icon)
.classed('folded', folded);
var nodeEnter = node.enter().append('tr');
columns.forEach(function(column, index) {
var nodeName = nodeEnter.append('td')
.style('padding-left', function(d) { return (index ? 0 : d.depth * childIndent + 12 + (icon(d) ? 0 : 16)) + 'px' }, 'important') //TODO: check why I did the ternary here
.style('text-align', column.type == 'numeric' ? 'right' : 'left');
if (index == 0) {
nodeName.append('img')
.classed('nv-treeicon', true)
.classed('nv-folded', folded)
.attr('src', icon)
.style('width', '14px')
.style('height', '14px')
.style('padding', '0 1px')
.style('display', function(d) { return icon(d) ? 'inline-block' : 'none'; })
.on('click', click);
}
nodeName.append('span')
.attr('class', d3.functor(column.classes) )
.text(function(d) { return column.format ? column.format(d) :
(d[column.key] || '-') });
if (column.showCount)
nodeName.append('span')
.attr('class', 'nv-childrenCount')
.text(function(d) {
return ((d.values && d.values.length) || (d._values && d._values.length)) ?
'(' + ((d.values && d.values.length) || (d._values && d._values.length)) + ')'
: ''
});
if (column.click)
nodeName.select('span').on('click', column.click);
});
node
.order()
.on('click', function(d) {
dispatch.elementClick({
row: this, //TODO: decide whether or not this should be consistent with scatter/line events or should be an html link (a href)
data: d,
pos: [d.x, d.y]
});
})
.on('dblclick', function(d) {
dispatch.elementDblclick({
row: this,
data: d,
pos: [d.x, d.y]
});
})
.on('mouseover', function(d) {
dispatch.elementMouseover({
row: this,
data: d,
pos: [d.x, d.y]
});
})
.on('mouseout', function(d) {
dispatch.elementMouseout({
row: this,
data: d,
pos: [d.x, d.y]
});
});
// Toggle children on click.
function click(d, _, unshift) {
d3.event.stopPropagation();
if(d3.event.shiftKey && !unshift) {
//If you shift-click, it'll toggle fold all the children, instead of itself
d3.event.shiftKey = false;
d.values && d.values.forEach(function(node){
if (node.values || node._values) {
click(node, 0, true);
}
});
return true;
}
if(!hasChildren(d)) {
//download file
//window.location.href = d.url;
return true;
}
if (d.values) {
d._values = d.values;
d.values = null;
} else {
d.values = d._values;
d._values = null;
}
chart.update();
}
function icon(d) {
return (d._values && d._values.length) ? iconOpen : (d.values && d.values.length) ? iconClose : '';
}
function folded(d) {
return (d._values && d._values.length);
}
function hasChildren(d) {
var values = d.values || d._values;
return (values && values.length);
}
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
scatter.color(color);
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
chart.header = function(_) {
if (!arguments.length) return header;
header = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
chart.columns = function(_) {
if (!arguments.length) return columns;
columns = _;
return chart;
};
chart.tableClass = function(_) {
if (!arguments.length) return tableClass;
tableClass = _;
return chart;
};
chart.iconOpen = function(_){
if (!arguments.length) return iconOpen;
iconOpen = _;
return chart;
}
chart.iconClose = function(_){
if (!arguments.length) return iconClose;
iconClose = _;
return chart;
}
//============================================================
return chart;
}
nv.models.legend = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 5, right: 0, bottom: 5, left: 0}
, width = 400
, height = 20
, getKey = function(d) { return d.key }
, color = nv.utils.defaultColor()
, align = true
, dispatch = d3.dispatch('legendClick', 'legendDblclick', 'legendMouseover', 'legendMouseout')
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
container = d3.select(this);
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-legend').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-legend').append('g');
var g = wrap.select('g');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
var series = g.selectAll('.nv-series')
.data(function(d) { return d });
var seriesEnter = series.enter().append('g').attr('class', 'nv-series')
.on('mouseover', function(d,i) {
dispatch.legendMouseover(d,i); //TODO: Make consistent with other event objects
})
.on('mouseout', function(d,i) {
dispatch.legendMouseout(d,i);
})
.on('click', function(d,i) {
dispatch.legendClick(d,i);
})
.on('dblclick', function(d,i) {
dispatch.legendDblclick(d,i);
});
seriesEnter.append('circle')
.style('stroke-width', 2)
.attr('r', 5);
seriesEnter.append('text')
.attr('text-anchor', 'start')
.attr('dy', '.32em')
.attr('dx', '8');
series.classed('disabled', function(d) { return d.disabled });
series.exit().remove();
series.select('circle')
.style('fill', function(d,i) { return d.color || color(d,i)})
.style('stroke', function(d,i) { return d.color || color(d, i) });
series.select('text').text(getKey);
//TODO: implement fixed-width and max-width options (max-width is especially useful with the align option)
// NEW ALIGNING CODE, TODO: clean up
if (align) {
var seriesWidths = [];
series.each(function(d,i) {
seriesWidths.push(d3.select(this).select('text').node().getComputedTextLength() + 28); // 28 is ~ the width of the circle plus some padding
});
//nv.log('Series Widths: ', JSON.stringify(seriesWidths));
var seriesPerRow = 0;
var legendWidth = 0;
var columnWidths = [];
while ( legendWidth < availableWidth && seriesPerRow < seriesWidths.length) {
columnWidths[seriesPerRow] = seriesWidths[seriesPerRow];
legendWidth += seriesWidths[seriesPerRow++];
}
while ( legendWidth > availableWidth && seriesPerRow > 1 ) {
columnWidths = [];
seriesPerRow--;
for (k = 0; k < seriesWidths.length; k++) {
if (seriesWidths[k] > (columnWidths[k % seriesPerRow] || 0) )
columnWidths[k % seriesPerRow] = seriesWidths[k];
}
legendWidth = columnWidths.reduce(function(prev, cur, index, array) {
return prev + cur;
});
}
//console.log(columnWidths, legendWidth, seriesPerRow);
var xPositions = [];
for (var i = 0, curX = 0; i < seriesPerRow; i++) {
xPositions[i] = curX;
curX += columnWidths[i];
}
series
.attr('transform', function(d, i) {
return 'translate(' + xPositions[i % seriesPerRow] + ',' + (5 + Math.floor(i / seriesPerRow) * 20) + ')';
});
//position legend as far right as possible within the total width
g.attr('transform', 'translate(' + (width - margin.right - legendWidth) + ',' + margin.top + ')');
height = margin.top + margin.bottom + (Math.ceil(seriesWidths.length / seriesPerRow) * 20);
} else {
var ypos = 5,
newxpos = 5,
maxwidth = 0,
xpos;
series
.attr('transform', function(d, i) {
var length = d3.select(this).select('text').node().getComputedTextLength() + 28;
xpos = newxpos;
if (width < margin.left + margin.right + xpos + length) {
newxpos = xpos = 5;
ypos += 20;
}
newxpos += length;
if (newxpos > maxwidth) maxwidth = newxpos;
return 'translate(' + xpos + ',' + ypos + ')';
});
//position legend as far right as possible within the total width
g.attr('transform', 'translate(' + (width - margin.right - maxwidth) + ',' + margin.top + ')');
height = margin.top + margin.bottom + ypos + 15;
}
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.key = function(_) {
if (!arguments.length) return getKey;
getKey = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.align = function(_) {
if (!arguments.length) return align;
align = _;
return chart;
};
//============================================================
return chart;
}
nv.models.line = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var scatter = nv.models.scatter()
;
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, color = nv.utils.defaultColor() // a function that returns a color
, getX = function(d) { return d.x } // accessor to get the x value from a data point
, getY = function(d) { return d.y } // accessor to get the y value from a data point
, defined = function(d,i) { return !isNaN(getY(d,i)) && getY(d,i) !== null } // allows a line to be not continous when it is not defined
, isArea = function(d) { return d.area } // decides if a line is an area or just a line
, clipEdge = false // if true, masks lines within x and y scale
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, interpolate = "linear" // controls the line interpolation
;
scatter
.size(16) // default size
.sizeDomain([16,256]) //set to speed up calculation, needs to be unset if there is a custom size accessor
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0 //used to store previous scales
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//------------------------------------------------------------
// Setup Scales
x = scatter.xScale();
y = scatter.yScale();
x0 = x0 || x;
y0 = y0 || y;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-line').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-line');
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g')
gEnter.append('g').attr('class', 'nv-groups');
gEnter.append('g').attr('class', 'nv-scatterWrap');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
scatter
.width(availableWidth)
.height(availableHeight)
var scatterWrap = wrap.select('.nv-scatterWrap');
//.datum(data); // Data automatically trickles down from the wrap
d3.transition(scatterWrap).call(scatter);
defsEnter.append('clipPath')
.attr('id', 'nv-edge-clip-' + scatter.id())
.append('rect');
wrap.select('#nv-edge-clip-' + scatter.id() + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
scatterWrap
.attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
var groups = wrap.select('.nv-groups').selectAll('.nv-group')
.data(function(d) { return d }, function(d) { return d.key });
groups.enter().append('g')
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6);
d3.transition(groups.exit())
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6)
.remove();
groups
.attr('class', function(d,i) { return 'nv-group nv-series-' + i })
.classed('hover', function(d) { return d.hover })
.style('fill', function(d,i){ return color(d, i) })
.style('stroke', function(d,i){ return color(d, i)});
d3.transition(groups)
.style('stroke-opacity', 1)
.style('fill-opacity', .5);
var areaPaths = groups.selectAll('path.nv-area')
.data(function(d) { return isArea(d) ? [d] : [] }); // this is done differently than lines because I need to check if series is an area
areaPaths.enter().append('path')
.attr('class', 'nv-area')
.attr('d', function(d) {
return d3.svg.area()
.interpolate(interpolate)
.defined(defined)
.x(function(d,i) { return x0(getX(d,i)) })
.y0(function(d,i) { return y0(getY(d,i)) })
.y1(function(d,i) { return y0( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
//.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
.apply(this, [d.values])
});
d3.transition(groups.exit().selectAll('path.nv-area'))
.attr('d', function(d) {
return d3.svg.area()
.interpolate(interpolate)
.defined(defined)
.x(function(d,i) { return x0(getX(d,i)) })
.y0(function(d,i) { return y0(getY(d,i)) })
.y1(function(d,i) { return y0( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
//.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
.apply(this, [d.values])
});
d3.transition(areaPaths)
.attr('d', function(d) {
return d3.svg.area()
.interpolate(interpolate)
.defined(defined)
.x(function(d,i) { return x0(getX(d,i)) })
.y0(function(d,i) { return y0(getY(d,i)) })
.y1(function(d,i) { return y0( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
//.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
.apply(this, [d.values])
});
var linePaths = groups.selectAll('path.nv-line')
.data(function(d) { return [d.values] });
linePaths.enter().append('path')
.attr('class', 'nv-line')
.attr('d',
d3.svg.line()
.interpolate(interpolate)
.defined(defined)
.x(function(d,i) { return x0(getX(d,i)) })
.y(function(d,i) { return y0(getY(d,i)) })
);
d3.transition(groups.exit().selectAll('path.nv-line'))
.attr('d',
d3.svg.line()
.interpolate(interpolate)
.defined(defined)
.x(function(d,i) { return x(getX(d,i)) })
.y(function(d,i) { return y(getY(d,i)) })
);
d3.transition(linePaths)
.attr('d',
d3.svg.line()
.interpolate(interpolate)
.defined(defined)
.x(function(d,i) { return x(getX(d,i)) })
.y(function(d,i) { return y(getY(d,i)) })
);
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = scatter.dispatch;
chart.scatter = scatter;
d3.rebind(chart, scatter, 'id', 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
scatter.x(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
scatter.y(_);
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
scatter.color(color);
return chart;
};
chart.interpolate = function(_) {
if (!arguments.length) return interpolate;
interpolate = _;
return chart;
};
chart.defined = function(_) {
if (!arguments.length) return defined;
defined = _;
return chart;
};
chart.isArea = function(_) {
if (!arguments.length) return isArea;
isArea = d3.functor(_);
return chart;
};
//============================================================
return chart;
}
nv.models.lineChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var lines = nv.models.line()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend()
;
//set margin.right to 23 to fit dates on the x-axis within the chart
var margin = {top: 30, right: 20, bottom: 50, left: 60}
, color = nv.utils.defaultColor()
, width = null
, height = null
, showLegend = true
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' at ' + x + '</p>'
}
, x
, y
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
xAxis
.orient('bottom')
.tickPadding(7)
;
yAxis
.orient('left')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
// New addition to calculate position if SVG is scaled with viewBox, may move TODO: consider implementing everywhere else
if (offsetElement) {
var svg = d3.select(offsetElement).select('svg');
var viewBox = svg.attr('viewBox');
if (viewBox) {
viewBox = viewBox.split(' ');
var ratio = parseInt(svg.style('width')) / viewBox[2];
e.pos[0] = e.pos[0] * ratio;
e.pos[1] = e.pos[1] * ratio;
}
}
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(lines.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, null, null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display noData message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = lines.xScale();
y = lines.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-lineChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineChart').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-linesWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width(availableWidth);
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
wrap.select('.nv-legendWrap')
.attr('transform', 'translate(0,' + (-margin.top) +')')
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
lines
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }));
var linesWrap = g.select('.nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(linesWrap).call(lines);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( availableWidth / 100 )
.tickSize(-availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
d3.transition(g.select('.nv-x.nv-axis'))
.call(xAxis);
yAxis
.scale(y)
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.nv-y.nv-axis'))
.call(yAxis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
/*
legend.dispatch.on('legendMouseover', function(d, i) {
d.hover = true;
selection.transition().call(chart)
});
legend.dispatch.on('legendMouseout', function(d, i) {
d.hover = false;
selection.transition().call(chart)
});
*/
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
lines.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.lines = lines;
chart.legend = legend;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, lines, 'defined', 'isArea', 'x', 'y', 'size', 'xScale', 'yScale', 'xDomain', 'yDomain', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id', 'interpolate');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.linePlusBarChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var lines = nv.models.line()
, bars = nv.models.historicalBar()
, xAxis = nv.models.axis()
, y1Axis = nv.models.axis()
, y2Axis = nv.models.axis()
, legend = nv.models.legend()
;
var margin = {top: 30, right: 60, bottom: 50, left: 60}
, width = null
, height = null
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, color = nv.utils.defaultColor()
, showLegend = true
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' at ' + x + '</p>';
}
, x
, y1
, y2
, noData = "No Data Available."
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
lines
.clipEdge(false)
;
xAxis
.orient('bottom')
.tickPadding(7)
;
y1Axis
.orient('left')
;
y2Axis
.orient('right')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
y = (e.series.bar ? y1Axis : y2Axis).tickFormat()(lines.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
};
//------------------------------------------------------------
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
//x = xAxis.scale();
x = lines.xScale();
y1 = bars.yScale();
y2 = lines.yScale();
var dataBars = data.filter(function(d) { return !d.disabled && d.bar });
var dataLines = data.filter(function(d) { return !d.bar }); // removed the !d.disabled clause here to fix Issue #240
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = d3.select(this).selectAll('g.nv-wrap.nv-linePlusBar').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-linePlusBar').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y1 nv-axis');
gEnter.append('g').attr('class', 'nv-y2 nv-axis');
gEnter.append('g').attr('class', 'nv-barsWrap');
gEnter.append('g').attr('class', 'nv-linesWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width( availableWidth / 2 );
g.select('.nv-legendWrap')
.datum(data.map(function(series) {
series.originalKey = series.originalKey === undefined ? series.key : series.originalKey;
series.key = series.originalKey + (series.bar ? ' (left axis)' : ' (right axis)');
return series;
}))
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(' + ( availableWidth / 2 ) + ',' + (-margin.top) +')');
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
lines
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled && !data[i].bar }))
bars
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled && data[i].bar }))
var barsWrap = g.select('.nv-barsWrap')
.datum(dataBars.length ? dataBars : [{values:[]}])
var linesWrap = g.select('.nv-linesWrap')
.datum(!dataLines[0].disabled ? dataLines : [{values:[]}] );
//.datum(!dataLines[0].disabled ? dataLines : [{values:dataLines[0].values.map(function(d) { return [d[0], null] }) }] );
d3.transition(barsWrap).call(bars);
d3.transition(linesWrap).call(lines);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( availableWidth / 100 )
.tickSize(-availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y1.range()[0] + ')');
d3.transition(g.select('.nv-x.nv-axis'))
.call(xAxis);
y1Axis
.scale(y1)
.ticks( availableHeight / 36 )
.tickSize(-availableWidth, 0);
d3.transition(g.select('.nv-y1.nv-axis'))
.style('opacity', dataBars.length ? 1 : 0)
.call(y1Axis);
y2Axis
.scale(y2)
.ticks( availableHeight / 36 )
.tickSize(dataBars.length ? 0 : -availableWidth, 0); // Show the y2 rules only if y1 has none
g.select('.nv-y2.nv-axis')
.style('opacity', dataLines.length ? 1 : 0)
.attr('transform', 'translate(' + x.range()[1] + ',0)');
d3.transition(g.select('.nv-y2.nv-axis'))
.call(y2Axis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
lines.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
bars.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
bars.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.legend = legend;
chart.lines = lines;
chart.bars = bars;
chart.xAxis = xAxis;
chart.y1Axis = y1Axis;
chart.y2Axis = y2Axis;
d3.rebind(chart, lines, 'defined', 'size', 'clipVoronoi', 'interpolate');
//TODO: consider rebinding x, y and some other stuff, and simply do soemthign lile bars.x(lines.x()), etc.
//d3.rebind(chart, lines, 'x', 'y', 'size', 'xDomain', 'yDomain', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
lines.x(_);
bars.x(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
lines.y(_);
bars.y(_);
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.lineWithFocusChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var lines = nv.models.line()
, lines2 = nv.models.line()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, x2Axis = nv.models.axis()
, y2Axis = nv.models.axis()
, legend = nv.models.legend()
, brush = d3.svg.brush()
;
var margin = {top: 30, right: 30, bottom: 30, left: 60}
, margin2 = {top: 0, right: 30, bottom: 20, left: 60}
, color = nv.utils.defaultColor()
, width = null
, height = null
, height2 = 100
, x
, y
, x2
, y2
, showLegend = true
, brushExtent = null
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' at ' + x + '</p>'
}
, noData = "No Data Available."
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'brush')
;
lines
.clipEdge(true)
;
lines2
.interactive(false)
;
xAxis
.orient('bottom')
.tickPadding(5)
;
yAxis
.orient('left')
;
x2Axis
.orient('bottom')
.tickPadding(5)
;
y2Axis
.orient('left')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(lines.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(lines.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, null, null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight1 = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom - height2,
availableHeight2 = height2 - margin2.top - margin2.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight1 / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = lines.xScale();
y = lines.yScale();
x2 = lines2.xScale();
y2 = lines2.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-lineWithFocusChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineWithFocusChart').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-legendWrap');
var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
focusEnter.append('g').attr('class', 'nv-x nv-axis');
focusEnter.append('g').attr('class', 'nv-y nv-axis');
focusEnter.append('g').attr('class', 'nv-linesWrap');
var contextEnter = gEnter.append('g').attr('class', 'nv-context');
contextEnter.append('g').attr('class', 'nv-x nv-axis');
contextEnter.append('g').attr('class', 'nv-y nv-axis');
contextEnter.append('g').attr('class', 'nv-linesWrap');
contextEnter.append('g').attr('class', 'nv-brushBackground');
contextEnter.append('g').attr('class', 'nv-x nv-brush');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width(availableWidth);
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight1 = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom - height2;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(0,' + (-margin.top) +')')
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
lines
.width(availableWidth)
.height(availableHeight1)
.color(
data
.map(function(d,i) {
return d.color || color(d, i);
})
.filter(function(d,i) {
return !data[i].disabled;
})
);
lines2
.defined(lines.defined())
.width(availableWidth)
.height(availableHeight2)
.color(
data
.map(function(d,i) {
return d.color || color(d, i);
})
.filter(function(d,i) {
return !data[i].disabled;
})
);
g.select('.nv-context')
.attr('transform', 'translate(0,' + ( availableHeight1 + margin.bottom + margin2.top) + ')')
var contextLinesWrap = g.select('.nv-context .nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(contextLinesWrap).call(lines2);
//------------------------------------------------------------
/*
var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(focusLinesWrap).call(lines);
*/
//------------------------------------------------------------
// Setup Main (Focus) Axes
xAxis
.scale(x)
.ticks( availableWidth / 100 )
.tickSize(-availableHeight1, 0);
yAxis
.scale(y)
.ticks( availableHeight1 / 36 )
.tickSize( -availableWidth, 0);
g.select('.nv-focus .nv-x.nv-axis')
.attr('transform', 'translate(0,' + availableHeight1 + ')');
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Brush
brush
.x(x2)
.on('brush', onBrush);
if (brushExtent) brush.extent(brushExtent);
var brushBG = g.select('.nv-brushBackground').selectAll('g')
.data([brushExtent || brush.extent()])
var brushBGenter = brushBG.enter()
.append('g');
brushBGenter.append('rect')
.attr('class', 'left')
.attr('x', 0)
.attr('y', 0)
.attr('height', availableHeight2);
brushBGenter.append('rect')
.attr('class', 'right')
.attr('x', 0)
.attr('y', 0)
.attr('height', availableHeight2);
gBrush = g.select('.nv-x.nv-brush')
.call(brush);
gBrush.selectAll('rect')
//.attr('y', -5)
.attr('height', availableHeight2);
gBrush.selectAll('.resize').append('path').attr('d', resizePath);
onBrush();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Secondary (Context) Axes
x2Axis
.scale(x2)
.ticks( availableWidth / 100 )
.tickSize(-availableHeight2, 0);
g.select('.nv-context .nv-x.nv-axis')
.attr('transform', 'translate(0,' + y2.range()[0] + ')');
d3.transition(g.select('.nv-context .nv-x.nv-axis'))
.call(x2Axis);
y2Axis
.scale(y2)
.ticks( availableHeight2 / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.nv-context .nv-y.nv-axis'))
.call(y2Axis);
g.select('.nv-context .nv-x.nv-axis')
.attr('transform', 'translate(0,' + y2.range()[0] + ')');
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
//============================================================
// Functions
//------------------------------------------------------------
// Taken from crossfilter (http://square.github.com/crossfilter/)
function resizePath(d) {
var e = +(d == 'e'),
x = e ? 1 : -1,
y = availableHeight2 / 3;
return 'M' + (.5 * x) + ',' + y
+ 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
+ 'V' + (2 * y - 6)
+ 'A6,6 0 0 ' + e + ' ' + (.5 * x) + ',' + (2 * y)
+ 'Z'
+ 'M' + (2.5 * x) + ',' + (y + 8)
+ 'V' + (2 * y - 8)
+ 'M' + (4.5 * x) + ',' + (y + 8)
+ 'V' + (2 * y - 8);
}
function updateBrushBG() {
if (!brush.empty()) brush.extent(brushExtent);
brushBG
.data([brush.empty() ? x2.domain() : brushExtent])
.each(function(d,i) {
var leftWidth = x2(d[0]) - x.range()[0],
rightWidth = x.range()[1] - x2(d[1]);
d3.select(this).select('.left')
.attr('width', leftWidth < 0 ? 0 : leftWidth);
d3.select(this).select('.right')
.attr('x', x2(d[1]))
.attr('width', rightWidth < 0 ? 0 : rightWidth);
});
}
function onBrush() {
brushExtent = brush.empty() ? null : brush.extent();
extent = brush.empty() ? x2.domain() : brush.extent();
dispatch.brush({extent: extent, brush: brush});
updateBrushBG();
// Update Main (Focus)
var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
.datum(
data
.filter(function(d) { return !d.disabled })
.map(function(d,i) {
return {
key: d.key,
values: d.values.filter(function(d,i) {
return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
})
}
})
);
d3.transition(focusLinesWrap).call(lines);
// Update Main (Focus) Axes
d3.transition(g.select('.nv-focus .nv-x.nv-axis'))
.call(xAxis);
d3.transition(g.select('.nv-focus .nv-y.nv-axis'))
.call(yAxis);
}
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
lines.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.legend = legend;
chart.lines = lines;
chart.lines2 = lines2;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
chart.x2Axis = x2Axis;
chart.y2Axis = y2Axis;
d3.rebind(chart, lines, 'defined', 'isArea', 'size', 'xDomain', 'yDomain', 'forceX', 'forceY', 'interactive', 'clipEdge', 'clipVoronoi', 'id');
chart.x = function(_) {
if (!arguments.length) return lines.x;
lines.x(_);
lines2.x(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return lines.y;
lines.y(_);
lines2.y(_);
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.margin2 = function(_) {
if (!arguments.length) return margin2;
margin2 = _;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.height2 = function(_) {
if (!arguments.length) return height2;
height2 = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color =nv.utils.getColor(_);
legend.color(color);
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.interpolate = function(_) {
if (!arguments.length) return lines.interpolate();
lines.interpolate(_);
lines2.interpolate(_);
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
// Chart has multiple similar Axes, to prevent code duplication, probably need to link all axis functions manually like below
chart.xTickFormat = function(_) {
if (!arguments.length) return xAxis.tickFormat();
xAxis.tickFormat(_);
x2Axis.tickFormat(_);
return chart;
};
chart.yTickFormat = function(_) {
if (!arguments.length) return yAxis.tickFormat();
yAxis.tickFormat(_);
y2Axis.tickFormat(_);
return chart;
};
//============================================================
return chart;
}
nv.models.multiBar = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, x = d3.scale.ordinal()
, y = d3.scale.linear()
, id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
, clipEdge = true
, stacked = false
, color = nv.utils.defaultColor()
, delay = 1200
, xDomain
, yDomain
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0 //used to store previous scales
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
if (stacked)
data = d3.layout.stack()
.offset('zero')
.values(function(d){ return d.values })
.y(getY)
(data);
//add series index to each data point for reference
data = data.map(function(series, i) {
series.values = series.values.map(function(point) {
point.series = i;
return point;
});
return series;
});
//------------------------------------------------------------
// Setup Scales
// remap and flatten the data for use in calculating the scales' domains
var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
data.map(function(d) {
return d.values.map(function(d,i) {
return { x: getX(d,i), y: getY(d,i), y0: d.y0 }
})
});
x .domain(d3.merge(seriesData).map(function(d) { return d.x }))
.rangeBands([0, availableWidth], .1);
y .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y + (stacked ? d.y0 : 0) }).concat(forceY)))
.range([availableHeight, 0]);
// If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
if (x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1]) singlePoint = true;
if (x.domain()[0] === x.domain()[1])
x.domain()[0] ?
x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
: x.domain([-1,1]);
if (y.domain()[0] === y.domain()[1])
y.domain()[0] ?
y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
: y.domain([-1,1]);
x0 = x0 || x;
y0 = y0 || y;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-multibar').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multibar');
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g')
gEnter.append('g').attr('class', 'nv-groups');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
defsEnter.append('clipPath')
.attr('id', 'nv-edge-clip-' + id)
.append('rect');
wrap.select('#nv-edge-clip-' + id + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
var groups = wrap.select('.nv-groups').selectAll('.nv-group')
.data(function(d) { return d }, function(d) { return d.key });
groups.enter().append('g')
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6);
d3.transition(groups.exit())
//.style('stroke-opacity', 1e-6)
//.style('fill-opacity', 1e-6)
.selectAll('rect.nv-bar')
.delay(function(d,i) { return i * delay/ data[0].values.length })
.attr('y', function(d) { return stacked ? y0(d.y0) : y0(0) })
.attr('height', 0)
.remove();
groups
.attr('class', function(d,i) { return 'nv-group nv-series-' + i })
.classed('hover', function(d) { return d.hover })
.style('fill', function(d,i){ return color(d, i) })
.style('stroke', function(d,i){ return color(d, i) });
d3.transition(groups)
.style('stroke-opacity', 1)
.style('fill-opacity', .75);
var bars = groups.selectAll('rect.nv-bar')
.data(function(d) { return d.values });
bars.exit().remove();
var barsEnter = bars.enter().append('rect')
.attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
.attr('x', function(d,i,j) {
return stacked ? 0 : (j * x.rangeBand() / data.length )
})
.attr('y', function(d) { return y0(stacked ? d.y0 : 0) })
.attr('height', 0)
.attr('width', x.rangeBand() / (stacked ? 1 : data.length) );
bars
.style('fill', function(d,i,j){ return color(d, j, i); })
.style('stroke', function(d,i,j){ return color(d, j, i); })
.on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
value: getY(d,i),
point: d,
series: data[d.series],
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
})
.on('click', function(d,i) {
dispatch.elementClick({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
d3.event.stopPropagation();
});
bars
.attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
.attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
if (stacked)
d3.transition(bars)
.delay(function(d,i) { return i * delay / data[0].values.length })
.attr('y', function(d,i) {
return y(getY(d,i) + (stacked ? d.y0 : 0));
})
.attr('height', function(d,i) {
return Math.max(Math.abs(y(d.y + (stacked ? d.y0 : 0)) - y((stacked ? d.y0 : 0))),1);
})
.each('end', function() {
d3.transition(d3.select(this))
.attr('x', function(d,i) {
return stacked ? 0 : (d.series * x.rangeBand() / data.length )
})
.attr('width', x.rangeBand() / (stacked ? 1 : data.length) );
})
else
d3.transition(bars)
.delay(function(d,i) { return i * delay/ data[0].values.length })
.attr('x', function(d,i) {
return d.series * x.rangeBand() / data.length
})
.attr('width', x.rangeBand() / data.length)
.each('end', function() {
d3.transition(d3.select(this))
.attr('y', function(d,i) {
return getY(d,i) < 0 ?
y(0) :
y(0) - y(getY(d,i)) < 1 ?
y(0) - 1 :
y(getY(d,i))
})
.attr('height', function(d,i) {
return Math.max(Math.abs(y(getY(d,i)) - y(0)),1);
});
})
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.stacked = function(_) {
if (!arguments.length) return stacked;
stacked = _;
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
chart.delay = function(_) {
if (!arguments.length) return delay;
delay = _;
return chart;
};
//============================================================
return chart;
}
nv.models.multiBarChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var multibar = nv.models.multiBar()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend()
, controls = nv.models.legend()
;
var margin = {top: 30, right: 20, bottom: 30, left: 60}
, width = null
, height = null
, color = nv.utils.defaultColor()
, showControls = true
, showLegend = true
, reduceXTicks = true // if false a tick will show for every data point
, rotateLabels = 0
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' on ' + x + '</p>'
}
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, noData = "No Data Available."
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
multibar
.stacked(false)
;
xAxis
.orient('bottom')
.tickPadding(7)
.highlightZero(false)
.showMaxMin(false)
.tickFormat(function(d) { return d })
;
yAxis
.orient('left')
.tickFormat(d3.format(',.1f'))
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(multibar.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(multibar.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { selection.transition().call(chart) };
chart.container = this;
//------------------------------------------------------------
// Display noData message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = multibar.xScale();
y = multibar.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-multiBarWithLegend').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarWithLegend').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-barsWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
gEnter.append('g').attr('class', 'nv-controlsWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width(availableWidth / 2);
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')');
}
//------------------------------------------------------------
//------------------------------------------------------------
// Controls
if (showControls) {
var controlsData = [
{ key: 'Grouped', disabled: multibar.stacked() },
{ key: 'Stacked', disabled: !multibar.stacked() }
];
controls.width(180).color(['#444', '#444', '#444']);
g.select('.nv-controlsWrap')
.datum(controlsData)
.attr('transform', 'translate(0,' + (-margin.top) +')')
.call(controls);
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
multibar
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }))
var barsWrap = g.select('.nv-barsWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(barsWrap).call(multibar);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( availableWidth / 100 )
.tickSize(-availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')');
d3.transition(g.select('.nv-x.nv-axis'))
.call(xAxis);
var xTicks = g.select('.nv-x.nv-axis > g').selectAll('g');
xTicks
.selectAll('line, text')
.style('opacity', 1)
if (reduceXTicks)
xTicks
.filter(function(d,i) {
return i % Math.ceil(data[0].values.length / (availableWidth / 100)) !== 0;
})
.selectAll('text, line')
.style('opacity', 0);
if(rotateLabels)
xTicks
.selectAll('text')
.attr('transform', function(d,i,j) { return 'rotate('+rotateLabels+' 0,0)' })
.attr('text-transform', rotateLabels > 0 ? 'start' : 'end');
g.select('.nv-x.nv-axis').selectAll('g.nv-axisMaxMin text')
.style('opacity', 1);
yAxis
.scale(y)
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.nv-y.nv-axis'))
.call(yAxis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
controls.dispatch.on('legendClick', function(d,i) {
if (!d.disabled) return;
controlsData = controlsData.map(function(s) {
s.disabled = true;
return s;
});
d.disabled = false;
switch (d.key) {
case 'Grouped':
multibar.stacked(false);
break;
case 'Stacked':
multibar.stacked(true);
break;
}
selection.transition().call(chart);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode)
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
multibar.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
multibar.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.multibar = multibar;
chart.legend = legend;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, multibar, 'x', 'y', 'xDomain', 'yDomain', 'forceX', 'forceY', 'clipEdge', 'id', 'stacked', 'delay');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
return chart;
};
chart.showControls = function(_) {
if (!arguments.length) return showControls;
showControls = _;
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.reduceXTicks= function(_) {
if (!arguments.length) return reduceXTicks;
reduceXTicks = _;
return chart;
};
chart.rotateLabels = function(_) {
if (!arguments.length) return rotateLabels;
rotateLabels = _;
return chart;
}
chart.tooltip = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.multiBarHorizontal = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
, x = d3.scale.ordinal()
, y = d3.scale.linear()
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
, color = nv.utils.defaultColor()
, stacked = false
, showValues = false
, valuePadding = 60
, valueFormat = d3.format(',.2f')
, delay = 1200
, xDomain
, yDomain
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0 //used to store previous scales
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
if (stacked)
data = d3.layout.stack()
.offset('zero')
.values(function(d){ return d.values })
.y(getY)
(data);
//add series index to each data point for reference
data = data.map(function(series, i) {
series.values = series.values.map(function(point) {
point.series = i;
return point;
});
return series;
});
//------------------------------------------------------------
// Setup Scales
// remap and flatten the data for use in calculating the scales' domains
var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
data.map(function(d) {
return d.values.map(function(d,i) {
return { x: getX(d,i), y: getY(d,i), y0: d.y0 }
})
});
x .domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
.rangeBands([0, availableHeight], .1);
y .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y + (stacked ? d.y0 : 0) }).concat(forceY)))
if (showValues && !stacked)
y.range([(y.domain()[0] < 0 ? valuePadding : 0), availableWidth - (y.domain()[1] > 0 ? valuePadding : 0) ]);
else
y.range([0, availableWidth]);
x0 = x0 || x;
y0 = y0 || d3.scale.linear().domain(y.domain()).range([y(0),y(0)]);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = d3.select(this).selectAll('g.nv-wrap.nv-multibarHorizontal').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multibarHorizontal');
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-groups');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
var groups = wrap.select('.nv-groups').selectAll('.nv-group')
.data(function(d) { return d }, function(d) { return d.key });
groups.enter().append('g')
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6);
d3.transition(groups.exit())
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6)
.remove();
groups
.attr('class', function(d,i) { return 'nv-group nv-series-' + i })
.classed('hover', function(d) { return d.hover })
.style('fill', function(d,i){ return color(d, i) })
.style('stroke', function(d,i){ return color(d, i) });
d3.transition(groups)
.style('stroke-opacity', 1)
.style('fill-opacity', .75);
var bars = groups.selectAll('g.nv-bar')
.data(function(d) { return d.values });
bars.exit().remove();
var barsEnter = bars.enter().append('g')
.attr('transform', function(d,i,j) {
return 'translate(' + y0(stacked ? d.y0 : 0) + ',' + (stacked ? 0 : (j * x.rangeBand() / data.length ) + x(getX(d,i))) + ')'
});
barsEnter.append('rect')
.attr('width', 0)
.attr('height', x.rangeBand() / (stacked ? 1 : data.length) )
bars
.on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [ y(getY(d,i) + (stacked ? d.y0 : 0)), x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length) ],
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
value: getY(d,i),
point: d,
series: data[d.series],
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
})
.on('click', function(d,i) {
dispatch.elementClick({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
value: getY(d,i),
point: d,
series: data[d.series],
pos: [x(getX(d,i)) + (x.rangeBand() * (stacked ? data.length / 2 : d.series + .5) / data.length), y(getY(d,i) + (stacked ? d.y0 : 0))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: d.series,
e: d3.event
});
d3.event.stopPropagation();
});
if (showValues && !stacked) {
barsEnter.append('text')
.attr('text-anchor', function(d,i) { return getY(d,i) < 0 ? 'end' : 'start' })
bars.select('text')
.attr('y', x.rangeBand() / 2)
.attr('dy', '-.32em')
.text(function(d,i) { return valueFormat(getY(d,i)) })
d3.transition(bars)
//.delay(function(d,i) { return i * delay / data[0].values.length })
.select('text')
.attr('x', function(d,i) { return getY(d,i) < 0 ? -4 : y(getY(d,i)) - y(0) + 4 })
} else {
bars.selectAll('text').remove();
}
bars
.attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
//.attr('transform', function(d,i,j) {
//return 'translate(' + y0(stacked ? d.y0 : 0) + ',' + x(getX(d,i)) + ')'
//})
if (stacked)
d3.transition(bars)
//.delay(function(d,i) { return i * delay / data[0].values.length })
.attr('transform', function(d,i) {
//return 'translate(' + y(d.y0) + ',0)'
return 'translate(' + y(d.y0) + ',' + x(getX(d,i)) + ')'
})
.select('rect')
.attr('width', function(d,i) {
return Math.abs(y(getY(d,i) + d.y0) - y(d.y0))
})
.attr('height', x.rangeBand() );
else
d3.transition(bars)
//.delay(function(d,i) { return i * delay / data[0].values.length })
.attr('transform', function(d,i) {
//TODO: stacked must be all positive or all negative, not both?
return 'translate(' +
(getY(d,i) < 0 ? y(getY(d,i)) : y(0))
+ ',' +
(d.series * x.rangeBand() / data.length
+
x(getX(d,i)) )
+ ')'
})
.select('rect')
.attr('height', x.rangeBand() / data.length )
.attr('width', function(d,i) {
return Math.max(Math.abs(y(getY(d,i)) - y(0)),1)
});
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.stacked = function(_) {
if (!arguments.length) return stacked;
stacked = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
chart.delay = function(_) {
if (!arguments.length) return delay;
delay = _;
return chart;
};
chart.showValues = function(_) {
if (!arguments.length) return showValues;
showValues = _;
return chart;
};
chart.valueFormat= function(_) {
if (!arguments.length) return valueFormat;
valueFormat = _;
return chart;
};
chart.valuePadding = function(_) {
if (!arguments.length) return valuePadding;
valuePadding = _;
return chart;
};
//============================================================
return chart;
}
nv.models.multiBarHorizontalChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var multibar = nv.models.multiBarHorizontal()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend().height(30)
, controls = nv.models.legend().height(30)
;
var margin = {top: 30, right: 20, bottom: 50, left: 60}
, width = null
, height = null
, color = nv.utils.defaultColor()
, showControls = true
, showLegend = true
, stacked = false
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + ' - ' + x + '</h3>' +
'<p>' + y + '</p>'
}
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
multibar
.stacked(stacked)
;
xAxis
.orient('left')
.tickPadding(5)
.highlightZero(false)
.showMaxMin(false)
.tickFormat(function(d) { return d })
;
yAxis
.orient('bottom')
.tickFormat(d3.format(',.1f'))
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(multibar.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(multibar.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'e' : 'w', null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { selection.transition().call(chart) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = multibar.xScale();
y = multibar.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-multiBarHorizontalChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarHorizontalChart').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-barsWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
gEnter.append('g').attr('class', 'nv-controlsWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width(availableWidth / 2);
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')');
}
//------------------------------------------------------------
//------------------------------------------------------------
// Controls
if (showControls) {
var controlsData = [
{ key: 'Grouped', disabled: multibar.stacked() },
{ key: 'Stacked', disabled: !multibar.stacked() }
];
controls.width(180).color(['#444', '#444', '#444']);
g.select('.nv-controlsWrap')
.datum(controlsData)
.attr('transform', 'translate(0,' + (-margin.top) +')')
.call(controls);
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
multibar
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }))
var barsWrap = g.select('.nv-barsWrap')
.datum(data.filter(function(d) { return !d.disabled }))
d3.transition(barsWrap).call(multibar);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( availableHeight / 24 )
.tickSize(-availableWidth, 0);
d3.transition(g.select('.nv-x.nv-axis'))
.call(xAxis);
var xTicks = g.select('.nv-x.nv-axis').selectAll('g');
xTicks
.selectAll('line, text')
.style('opacity', 1)
yAxis
.scale(y)
.ticks( availableWidth / 100 )
.tickSize( -availableHeight, 0);
g.select('.nv-y.nv-axis')
.attr('transform', 'translate(0,' + availableHeight + ')');
d3.transition(g.select('.nv-y.nv-axis'))
.call(yAxis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
controls.dispatch.on('legendClick', function(d,i) {
if (!d.disabled) return;
controlsData = controlsData.map(function(s) {
s.disabled = true;
return s;
});
d.disabled = false;
switch (d.key) {
case 'Grouped':
multibar.stacked(false);
break;
case 'Stacked':
multibar.stacked(true);
break;
}
selection.transition().call(chart);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
multibar.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
multibar.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.multibar = multibar;
chart.legend = legend;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, multibar, 'x', 'y', 'xDomain', 'yDomain', 'forceX', 'forceY', 'clipEdge', 'id', 'delay', 'showValues', 'valueFormat', 'stacked');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
return chart;
};
chart.showControls = function(_) {
if (!arguments.length) return showControls;
showControls = _;
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltip = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.multiChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 30, right: 20, bottom: 50, left: 60},
color = d3.scale.category20().range(),
width = null,
height = null,
showLegend = true,
tooltips = true,
tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' at ' + x + '</p>'
},
x, y; //can be accessed via chart.lines.[x/y]Scale()
//============================================================
// Private Variables
//------------------------------------------------------------
var x = d3.scale.linear(),
yScale1 = d3.scale.linear(),
yScale2 = d3.scale.linear(),
lines1 = nv.models.line().yScale(yScale1),
lines2 = nv.models.line().yScale(yScale2),
bars1 = nv.models.multiBar().stacked(false).yScale(yScale1),
bars2 = nv.models.multiBar().stacked(false).yScale(yScale2),
stack1 = nv.models.stackedArea().yScale(yScale1),
stack2 = nv.models.stackedArea().yScale(yScale2),
xAxis = nv.models.axis().scale(x).orient('bottom').tickPadding(5),
yAxis1 = nv.models.axis().scale(yScale1).orient('left'),
yAxis2 = nv.models.axis().scale(yScale2).orient('right'),
legend = nv.models.legend().height(30),
dispatch = d3.dispatch('tooltipShow', 'tooltipHide');
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(lines1.x()(e.point, e.pointIndex)),
y = (e.series.bar ? yAxis1 : yAxis2).tickFormat()(lines1.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, undefined, undefined, offsetElement.offsetParent);
};
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
var dataLines1 = data.filter(function(d) {return !d.disabled && d.type == 'line' && d.yAxis == 1})
var dataLines2 = data.filter(function(d) {return !d.disabled && d.type == 'line' && d.yAxis == 2})
var dataBars1 = data.filter(function(d) {return !d.disabled && d.type == 'bar' && d.yAxis == 1})
var dataBars2 = data.filter(function(d) {return !d.disabled && d.type == 'bar' && d.yAxis == 2})
var dataStack1 = data.filter(function(d) {return !d.disabled && d.type == 'area' && d.yAxis == 1})
var dataStack2 = data.filter(function(d) {return !d.disabled && d.type == 'area' && d.yAxis == 2})
var series1 = data.filter(function(d) {return !d.disabled && d.yAxis == 1})
.map(function(d) {
return d.values.map(function(d,i) {
return { x: d.x, y: d.y }
})
})
var series2 = data.filter(function(d) {return !d.disabled && d.yAxis == 2})
.map(function(d) {
return d.values.map(function(d,i) {
return { x: d.x, y: d.y }
})
})
x .domain(d3.extent(d3.merge(series1.concat(series2)), function(d) { return d.x } ))
.range([0, availableWidth]);
var wrap = container.selectAll('g.wrap.multiChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 multiChart').append('g');
gEnter.append('g').attr('class', 'x axis');
gEnter.append('g').attr('class', 'y1 axis');
gEnter.append('g').attr('class', 'y2 axis');
gEnter.append('g').attr('class', 'lines1Wrap');
gEnter.append('g').attr('class', 'lines2Wrap');
gEnter.append('g').attr('class', 'bars1Wrap');
gEnter.append('g').attr('class', 'bars2Wrap');
gEnter.append('g').attr('class', 'stack1Wrap');
gEnter.append('g').attr('class', 'stack2Wrap');
gEnter.append('g').attr('class', 'legendWrap');
var g = wrap.select('g');
if (showLegend) {
legend.width( availableWidth / 2 );
g.select('.legendWrap')
.datum(data.map(function(series) {
series.originalKey = series.originalKey === undefined ? series.key : series.originalKey;
series.key = series.originalKey + (series.yAxis == 1 ? '' : ' (right axis)');
return series;
}))
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.legendWrap')
.attr('transform', 'translate(' + ( availableWidth / 2 ) + ',' + (-margin.top) +')');
}
lines1
.width(availableWidth)
.height(availableHeight)
.interpolate("monotone")
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'line'}));
lines2
.width(availableWidth)
.height(availableHeight)
.interpolate("monotone")
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'line'}));
bars1
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'bar'}));
bars2
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'bar'}));
stack1
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'area'}));
stack2
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color[i % color.length];
}).filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'area'}));
g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
var lines1Wrap = g.select('.lines1Wrap')
.datum(dataLines1)
var bars1Wrap = g.select('.bars1Wrap')
.datum(dataBars1)
var stack1Wrap = g.select('.stack1Wrap')
.datum(dataStack1)
var lines2Wrap = g.select('.lines2Wrap')
.datum(dataLines2)
var bars2Wrap = g.select('.bars2Wrap')
.datum(dataBars2)
var stack2Wrap = g.select('.stack2Wrap')
.datum(dataStack2)
var extraValue1 = dataStack1.length ? dataStack1.map(function(a){return a.values}).reduce(function(a,b){
return a.map(function(aVal,i){return {x: aVal.x, y: aVal.y + b[i].y}})
}).concat([{x:0, y:0}]) : []
var extraValue2 = dataStack2.length ? dataStack2.map(function(a){return a.values}).reduce(function(a,b){
return a.map(function(aVal,i){return {x: aVal.x, y: aVal.y + b[i].y}})
}).concat([{x:0, y:0}]) : []
yScale1 .domain(d3.extent(d3.merge(series1).concat(extraValue1), function(d) { return d.y } ))
.range([0, availableHeight])
yScale2 .domain(d3.extent(d3.merge(series2).concat(extraValue2), function(d) { return d.y } ))
.range([0, availableHeight])
lines1.yDomain(yScale1.domain())
bars1.yDomain(yScale1.domain())
stack1.yDomain(yScale1.domain())
lines2.yDomain(yScale2.domain())
bars2.yDomain(yScale2.domain())
stack2.yDomain(yScale2.domain())
if(dataStack1.length){d3.transition(stack1Wrap).call(stack1);}
if(dataStack2.length){d3.transition(stack2Wrap).call(stack2);}
if(dataBars1.length){d3.transition(bars1Wrap).call(bars1);}
if(dataBars2.length){d3.transition(bars2Wrap).call(bars2);}
if(dataLines1.length){d3.transition(lines1Wrap).call(lines1);}
if(dataLines2.length){d3.transition(lines2Wrap).call(lines2);}
xAxis
.ticks( availableWidth / 100 )
.tickSize(-availableHeight, 0);
g.select('.x.axis')
.attr('transform', 'translate(0,' + availableHeight + ')');
d3.transition(g.select('.x.axis'))
.call(xAxis);
yAxis1
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.y1.axis'))
.call(yAxis1);
yAxis2
.ticks( availableHeight / 36 )
.tickSize( -availableWidth, 0);
d3.transition(g.select('.y2.axis'))
.call(yAxis2);
g.select('.y2.axis')
.style('opacity', series2.length ? 1 : 0)
.attr('transform', 'translate(' + x.range()[1] + ',0)');
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
});
chart.update = function() { chart(selection) };
chart.container = this;
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
lines1.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines1.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
lines2.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines2.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
bars1.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
bars1.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
bars2.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
bars2.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
stack1.dispatch.on('tooltipShow', function(e) {
//disable tooltips when value ~= 0
//// TODO: consider removing points from voronoi that have 0 value instead of this hack
if (!Math.round(stack1.y()(e.point) * 100)) { // 100 will not be good for very small numbers... will have to think about making this valu dynamic, based on data range
setTimeout(function() { d3.selectAll('.point.hover').classed('hover', false) }, 0);
return false;
}
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top],
dispatch.tooltipShow(e);
});
stack1.dispatch.on('tooltipHide', function(e) {
dispatch.tooltipHide(e);
});
stack2.dispatch.on('tooltipShow', function(e) {
//disable tooltips when value ~= 0
//// TODO: consider removing points from voronoi that have 0 value instead of this hack
if (!Math.round(stack2.y()(e.point) * 100)) { // 100 will not be good for very small numbers... will have to think about making this valu dynamic, based on data range
setTimeout(function() { d3.selectAll('.point.hover').classed('hover', false) }, 0);
return false;
}
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top],
dispatch.tooltipShow(e);
});
stack2.dispatch.on('tooltipHide', function(e) {
dispatch.tooltipHide(e);
});
lines1.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines1.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
lines2.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
lines2.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
// Global getters and setters
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.lines1 = lines1;
chart.lines2 = lines2;
chart.bars1 = bars1;
chart.bars2 = bars2;
chart.stack1 = stack1;
chart.stack2 = stack2;
chart.xAxis = xAxis;
chart.yAxis1 = yAxis1;
chart.yAxis2 = yAxis2;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
lines1.x(_);
bars1.x(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
lines1.y(_);
bars1.y(_);
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin = _;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = _;
legend.color(_);
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
return chart;
}
nv.models.ohlcBar = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
, x = d3.scale.linear()
, y = d3.scale.linear()
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, getOpen = function(d) { return d.open }
, getClose = function(d) { return d.close }
, getHigh = function(d) { return d.high }
, getLow = function(d) { return d.low }
, forceX = []
, forceY = []
, clipEdge = true
, color = nv.utils.defaultColor()
, xDomain
, yDomain
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
//TODO: store old scales for transitions
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//------------------------------------------------------------
// Setup Scales
x .domain(xDomain || d3.extent(data[0].values.map(getX).concat(forceX) ))
.range([0, availableWidth]);
y .domain(yDomain || [
d3.min(data[0].values.map(getLow).concat(forceY)),
d3.max(data[0].values.map(getHigh).concat(forceY))
])
.range([availableHeight, 0]);
// If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
if (x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1]) singlePoint = true;
if (x.domain()[0] === x.domain()[1])
x.domain()[0] ?
x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
: x.domain([-1,1]);
if (y.domain()[0] === y.domain()[1])
y.domain()[0] ?
y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
: y.domain([-1,1]);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = d3.select(this).selectAll('g.nv-wrap.nv-ohlcBar').data([data[0].values]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-ohlcBar');
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-ticks');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
container
.on('click', function(d,i) {
dispatch.chartClick({
data: d,
index: i,
pos: d3.event,
id: id
});
});
defsEnter.append('clipPath')
.attr('id', 'nv-chart-clip-path-' + id)
.append('rect');
wrap.select('#nv-chart-clip-path-' + id + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
g .attr('clip-path', clipEdge ? 'url(#nv-chart-clip-path-' + id + ')' : '');
var ticks = wrap.select('.nv-ticks').selectAll('.nv-tick')
.data(function(d) { return d });
ticks.exit().remove();
var ticksEnter = ticks.enter().append('path')
.attr('class', function(d,i,j) { return (getOpen(d,i) > getClose(d,i) ? 'nv-tick negative' : 'nv-tick positive') + ' nv-tick-' + j + '-' + i })
.attr('d', function(d,i) {
var w = (availableWidth / data[0].values.length) * .9;
return 'm0,0l0,'
+ (y(getOpen(d,i))
- y(getHigh(d,i)))
+ 'l'
+ (-w/2)
+ ',0l'
+ (w/2)
+ ',0l0,'
+ (y(getLow(d,i)) - y(getOpen(d,i)))
+ 'l0,'
+ (y(getClose(d,i))
- y(getLow(d,i)))
+ 'l'
+ (w/2)
+ ',0l'
+ (-w/2)
+ ',0z';
})
.attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',' + y(getHigh(d,i)) + ')'; })
//.attr('fill', function(d,i) { return color[0]; })
//.attr('stroke', function(d,i) { return color[0]; })
//.attr('x', 0 )
//.attr('y', function(d,i) { return y(Math.max(0, getY(d,i))) })
//.attr('height', function(d,i) { return Math.abs(y(getY(d,i)) - y(0)) })
.on('mouseover', function(d,i) {
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
point: d,
series: data[0],
pos: [x(getX(d,i)), y(getY(d,i))], // TODO: Figure out why the value appears to be shifted
pointIndex: i,
seriesIndex: 0,
e: d3.event
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
point: d,
series: data[0],
pointIndex: i,
seriesIndex: 0,
e: d3.event
});
})
.on('click', function(d,i) {
dispatch.elementClick({
//label: d[label],
value: getY(d,i),
data: d,
index: i,
pos: [x(getX(d,i)), y(getY(d,i))],
e: d3.event,
id: id
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
//label: d[label],
value: getY(d,i),
data: d,
index: i,
pos: [x(getX(d,i)), y(getY(d,i))],
e: d3.event,
id: id
});
d3.event.stopPropagation();
});
ticks
.attr('class', function(d,i,j) { return (getOpen(d,i) > getClose(d,i) ? 'nv-tick negative' : 'nv-tick positive') + ' nv-tick-' + j + '-' + i })
d3.transition(ticks)
.attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',' + y(getHigh(d,i)) + ')'; })
.attr('d', function(d,i) {
var w = (availableWidth / data[0].values.length) * .9;
return 'm0,0l0,'
+ (y(getOpen(d,i))
- y(getHigh(d,i)))
+ 'l'
+ (-w/2)
+ ',0l'
+ (w/2)
+ ',0l0,'
+ (y(getLow(d,i))
- y(getOpen(d,i)))
+ 'l0,'
+ (y(getClose(d,i))
- y(getLow(d,i)))
+ 'l'
+ (w/2)
+ ',0l'
+ (-w/2)
+ ',0z';
})
//.attr('width', (availableWidth / data[0].values.length) * .9 )
//d3.transition(ticks)
//.attr('y', function(d,i) { return y(Math.max(0, getY(d,i))) })
//.attr('height', function(d,i) { return Math.abs(y(getY(d,i)) - y(0)) });
//.order(); // not sure if this makes any sense for this model
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = _;
return chart;
};
chart.open = function(_) {
if (!arguments.length) return getOpen;
getOpen = _;
return chart;
};
chart.close = function(_) {
if (!arguments.length) return getClose;
getClose = _;
return chart;
};
chart.high = function(_) {
if (!arguments.length) return getHigh;
getHigh = _;
return chart;
};
chart.low = function(_) {
if (!arguments.length) return getLow;
getLow = _;
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.forceX = function(_) {
if (!arguments.length) return forceX;
forceX = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
//============================================================
return chart;
}
nv.models.pie = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 500
, height = 500
, getValues = function(d) { return d.values }
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
, color = nv.utils.defaultColor()
, valueFormat = d3.format(',.2f')
, showLabels = true
, donutLabelsOutside = false
, labelThreshold = .02 //if slice percentage is under this, don't show label
, donut = false
, dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
radius = Math.min(availableWidth, availableHeight) / 2,
container = d3.select(this);
//------------------------------------------------------------
// Setup containers and skeleton of chart
//var wrap = container.selectAll('.nv-wrap.nv-pie').data([data]);
var wrap = container.selectAll('.nv-wrap.nv-pie').data([getValues(data[0])]);
var wrapEnter = wrap.enter().append('g').attr('class','nvd3 nv-wrap nv-pie nv-chart-' + id);
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-pie');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
g.select('.nv-pie').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
//------------------------------------------------------------
container
.on('click', function(d,i) {
dispatch.chartClick({
data: d,
index: i,
pos: d3.event,
id: id
});
});
var arc = d3.svg.arc()
.outerRadius((radius-(radius / 5)));
if (donut) arc.innerRadius(radius / 2);
// Setup the Pie chart and choose the data element
var pie = d3.layout.pie()
.sort(null)
.value(function(d) { return d.disabled ? 0 : getY(d) });
var slices = wrap.select('.nv-pie').selectAll('.nv-slice')
.data(pie);
slices.exit().remove();
var ae = slices.enter().append('g')
.attr('class', 'nv-slice')
.on('mouseover', function(d,i){
d3.select(this).classed('hover', true);
dispatch.elementMouseover({
label: getX(d.data),
value: getY(d.data),
point: d.data,
pointIndex: i,
pos: [d3.event.pageX, d3.event.pageY],
id: id
});
})
.on('mouseout', function(d,i){
d3.select(this).classed('hover', false);
dispatch.elementMouseout({
label: getX(d.data),
value: getY(d.data),
point: d.data,
index: i,
id: id
});
})
.on('click', function(d,i) {
dispatch.elementClick({
label: getX(d.data),
value: getY(d.data),
point: d.data,
index: i,
pos: d3.event,
id: id
});
d3.event.stopPropagation();
})
.on('dblclick', function(d,i) {
dispatch.elementDblClick({
label: getX(d.data),
value: getY(d.data),
point: d.data,
index: i,
pos: d3.event,
id: id
});
d3.event.stopPropagation();
});
slices
.attr('fill', function(d,i) { return color(d, i); })
.attr('stroke', function(d,i) { return color(d, i); });
var paths = ae.append('path')
.each(function(d) { this._current = d; });
//.attr('d', arc);
d3.transition(slices.select('path'))
.attr('d', arc)
.attrTween('d', arcTween);
if (showLabels) {
// This does the normal label
var labelsArc = arc;
if (donutLabelsOutside) {
labelsArc = d3.svg.arc().outerRadius(arc.outerRadius())
}
ae.append("g").classed("nv-label", true)
.each(function(d, i) {
var group = d3.select(this);
group
.attr('transform', function(d) {
d.outerRadius = radius + 10; // Set Outer Coordinate
d.innerRadius = radius + 15; // Set Inner Coordinate
return 'translate(' + labelsArc.centroid(d) + ')'
});
group.append('rect')
.style('stroke', '#fff')
.style('fill', '#fff')
.attr("rx", 3)
.attr("ry", 3);
group.append('text')
.style('text-anchor', 'middle') //center the text on it's origin
.style('fill', '#000')
});
slices.select(".nv-label").transition()
.attr('transform', function(d) {
d.outerRadius = radius + 10; // Set Outer Coordinate
d.innerRadius = radius + 15; // Set Inner Coordinate
return 'translate(' + labelsArc.centroid(d) + ')';
});
slices.each(function(d, i) {
var slice = d3.select(this);
slice
.select(".nv-label text")
.text(function(d, i) {
var percent = (d.endAngle - d.startAngle) / (2 * Math.PI);
return (d.value && percent > labelThreshold) ? getX(d.data) : '';
});
var textBox = slice.select('text').node().getBBox();
slice.select(".nv-label rect")
.attr("width", textBox.width + 10)
.attr("height", textBox.height + 10)
.attr("transform", function() {
return "translate(" + [textBox.x - 5, textBox.y - 5] + ")";
});
});
}
// Computes the angle of an arc, converting from radians to degrees.
function angle(d) {
var a = (d.startAngle + d.endAngle) * 90 / Math.PI - 90;
return a > 90 ? a - 180 : a;
}
function arcTween(a) {
if (!donut) a.innerRadius = 0;
var i = d3.interpolate(this._current, a);
this._current = i(0);
return function(t) {
return arc(i(t));
};
}
function tweenPie(b) {
b.innerRadius = 0;
var i = d3.interpolate({startAngle: 0, endAngle: 0}, b);
return function(t) {
return arc(i(t));
};
}
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.values = function(_) {
if (!arguments.length) return getValues;
getValues = _;
return chart;
};
chart.x = function(_) {
if (!arguments.length) return getX;
getX = _;
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = d3.functor(_);
return chart;
};
chart.showLabels = function(_) {
if (!arguments.length) return showLabels;
showLabels = _;
return chart;
};
chart.donutLabelsOutside = function(_) {
if (!arguments.length) return donutLabelsOutside;
donutLabelsOutside = _;
return chart;
};
chart.donut = function(_) {
if (!arguments.length) return donut;
donut = _;
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.valueFormat = function(_) {
if (!arguments.length) return valueFormat;
valueFormat = _;
return chart;
};
chart.labelThreshold = function(_) {
if (!arguments.length) return labelThreshold;
labelThreshold = _;
return chart;
};
//============================================================
return chart;
}
nv.models.pieChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var pie = nv.models.pie()
, legend = nv.models.legend()
;
var margin = {top: 30, right: 20, bottom: 20, left: 20}
, width = null
, height = null
, showLegend = true
, color = nv.utils.defaultColor()
, tooltips = true
, tooltip = function(key, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + '</p>'
}
, noData = "No Data Available."
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( (offsetElement && offsetElement.offsetLeft) || 0 ),
top = e.pos[1] + ( (offsetElement && offsetElement.offsetTop) || 0),
y = pie.valueFormat()(pie.y()(e.point)),
content = tooltip(pie.x()(e.point), y, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection); };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-pieChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-pieChart').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-pieWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend
.width( availableWidth )
.key(pie.x());
wrap.select('.nv-legendWrap')
.datum(pie.values()(data[0]))
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
wrap.select('.nv-legendWrap')
.attr('transform', 'translate(0,' + (-margin.top) +')');
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
pie
.width(availableWidth)
.height(availableHeight);
var pieWrap = g.select('.nv-pieWrap')
.datum(data);
d3.transition(pieWrap).call(pie);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
legend.dispatch.on('legendClick', function(d,i, that) {
d.disabled = !d.disabled;
if (!pie.values()(data[0]).filter(function(d) { return !d.disabled }).length) {
pie.values()(data[0]).map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
selection.transition().call(chart)
});
pie.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
pie.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.pie = pie;
d3.rebind(chart, pie, 'valueFormat', 'values', 'x', 'y', 'id', 'showLabels', 'donutLabelsOutside', 'donut', 'labelThreshold');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
pie.color(color);
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.scatter = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, color = nv.utils.defaultColor() // chooses color
, id = Math.floor(Math.random() * 100000) //Create semi-unique ID incase user doesn't selet one
, x = d3.scale.linear()
, y = d3.scale.linear()
, z = d3.scale.linear() //linear because d3.svg.shape.size is treated as area
, getX = function(d) { return d.x } // accessor to get the x value
, getY = function(d) { return d.y } // accessor to get the y value
, getSize = function(d) { return d.size || 1} // accessor to get the point size
, getShape = function(d) { return d.shape || 'circle' } // accessor to get point shape
, forceX = [] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
, forceY = [] // List of numbers to Force into the Y scale
, forceSize = [] // List of numbers to Force into the Size scale
, interactive = true // If true, plots a voronoi overlay for advanced point interection
, pointActive = function(d) { return !d.notActive } // any points that return false will be filtered out
, clipEdge = false // if true, masks points within x and y scale
, clipVoronoi = true // if true, masks each point with a circle... can turn off to slightly increase performance
, clipRadius = function() { return 25 } // function to get the radius for voronoi point clips
, xDomain = null // Override x domain (skips the calculation from data)
, yDomain = null // Override y domain
, sizeDomain = null // Override point size domain
, sizeRange = null
, singlePoint = false
, dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout')
, useVoronoi = true
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0, z0 // used to store previous scales
, timeoutID
, needsUpdate = false // Flag for when the points are visually updating, but the interactive layer is behind, to disable tooltips
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//add series index to each data point for reference
data = data.map(function(series, i) {
series.values = series.values.map(function(point) {
point.series = i;
return point;
});
return series;
});
//------------------------------------------------------------
// Setup Scales
// remap and flatten the data for use in calculating the scales' domains
var seriesData = (xDomain && yDomain && sizeDomain) ? [] : // if we know xDomain and yDomain and sizeDomain, no need to calculate.... if Size is constant remember to set sizeDomain to speed up performance
d3.merge(
data.map(function(d) {
return d.values.map(function(d,i) {
return { x: getX(d,i), y: getY(d,i), size: getSize(d,i) }
})
})
);
x .domain(xDomain || d3.extent(seriesData.map(function(d) { return d.x }).concat(forceX)))
.range([0, availableWidth]);
y .domain(yDomain || d3.extent(seriesData.map(function(d) { return d.y }).concat(forceY)))
.range([availableHeight, 0]);
z .domain(sizeDomain || d3.extent(seriesData.map(function(d) { return d.size }).concat(forceSize)))
.range(sizeRange || [16, 256]);
// If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
if (x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1]) singlePoint = true;
if (x.domain()[0] === x.domain()[1])
x.domain()[0] ?
x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
: x.domain([-1,1]);
if (y.domain()[0] === y.domain()[1])
y.domain()[0] ?
y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
: y.domain([-1,1]);
x0 = x0 || x;
y0 = y0 || y;
z0 = z0 || z;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-scatter').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatter nv-chart-' + id + (singlePoint ? ' nv-single-point' : ''));
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-groups');
gEnter.append('g').attr('class', 'nv-point-paths');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
defsEnter.append('clipPath')
.attr('id', 'nv-edge-clip-' + id)
.append('rect');
wrap.select('#nv-edge-clip-' + id + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
function updateInteractiveLayer() {
if (!interactive) return false;
var eventElements;
var vertices = d3.merge(data.map(function(group, groupIndex) {
return group.values
.map(function(point, pointIndex) {
// *Adding noise to make duplicates very unlikely
// **Injecting series and point index for reference
return [x(getX(point,pointIndex)) * (Math.random() / 1e12 + 1) , y(getY(point,pointIndex)) * (Math.random() / 1e12 + 1), groupIndex, pointIndex, point]; //temp hack to add noise untill I think of a better way so there are no duplicates
})
.filter(function(pointArray, pointIndex) {
return pointActive(pointArray[4], pointIndex); // Issue #237.. move filter to after map, so pointIndex is correct!
})
})
);
if (clipVoronoi) {
var pointClipsEnter = wrap.select('defs').selectAll('.nv-point-clips')
.data([id])
.enter();
pointClipsEnter.append('clipPath')
.attr('class', 'nv-point-clips')
.attr('id', 'nv-points-clip-' + id);
var pointClips = wrap.select('#nv-points-clip-' + id).selectAll('circle')
.data(vertices);
pointClips.enter().append('circle')
.attr('r', clipRadius);
pointClips.exit().remove();
pointClips
.attr('cx', function(d) { return d[0] })
.attr('cy', function(d) { return d[1] });
wrap.select('.nv-point-paths')
.attr('clip-path', 'url(#nv-points-clip-' + id + ')');
}
//inject series and point index for reference into voronoi
if (useVoronoi === true) {
if(vertices.length < 3) {
// Issue #283 - Adding 2 dummy points to the voronoi b/c voronoi requires min 3 points to work
vertices.push([x.range()[0] - 20, y.range()[0] - 20, null, null]);
vertices.push([x.range()[1] + 20, y.range()[1] + 20, null, null]);
}
var voronoi = d3.geom.voronoi(vertices).map(function(d, i) {
return {
'data': d,
'series': vertices[i][2],
'point': vertices[i][3]
}
});
var pointPaths = wrap.select('.nv-point-paths').selectAll('path')
.data(voronoi);
pointPaths.enter().append('path')
.attr('class', function(d,i) { return 'nv-path-'+i; });
pointPaths.exit().remove();
pointPaths
.attr('d', function(d) { return 'M' + d.data.join(',') + 'Z'; });
eventElements = pointPaths;
} else {
// bring data in form needed for click handlers
var dataWithPoints = vertices.map(function(d, i) {
return {
'data': d,
'series': vertices[i][2],
'point': vertices[i][3]
}
});
// add event handlers to points instead voronoi paths
eventElements = wrap.select('.nv-groups').selectAll('.nv-group')
.selectAll('path.nv-point')
.data(dataWithPoints)
.style('pointer-events', 'auto'); // recativate events, disabled by css
}
eventElements
.on('click', function(d) {
if (needsUpdate) return 0;
var series = data[d.series],
point = series.values[d.point];
dispatch.elementClick({
point: point,
series: series,
pos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
seriesIndex: d.series,
pointIndex: d.point
});
})
.on('mouseover', function(d) {
if (needsUpdate) return 0;
var series = data[d.series],
point = series.values[d.point];
dispatch.elementMouseover({
point: point,
series: series,
pos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
seriesIndex: d.series,
pointIndex: d.point
});
})
.on('mouseout', function(d, i) {
if (needsUpdate) return 0;
var series = data[d.series],
point = series.values[d.point];
dispatch.elementMouseout({
point: point,
series: series,
seriesIndex: d.series,
pointIndex: d.point
});
});
needsUpdate = false;
}
needsUpdate = true;
var groups = wrap.select('.nv-groups').selectAll('.nv-group')
.data(function(d) { return d }, function(d) { return d.key });
groups.enter().append('g')
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6);
d3.transition(groups.exit())
.style('stroke-opacity', 1e-6)
.style('fill-opacity', 1e-6)
.remove();
groups
.attr('class', function(d,i) { return 'nv-group nv-series-' + i })
.classed('hover', function(d) { return d.hover });
d3.transition(groups)
.style('fill', function(d,i) { return color(d, i) })
.style('stroke', function(d,i) { return color(d, i) })
.style('stroke-opacity', 1)
.style('fill-opacity', .5);
var points = groups.selectAll('path.nv-point')
.data(function(d) { return d.values });
points.enter().append('path')
.attr('transform', function(d,i) {
return 'translate(' + x0(getX(d,i)) + ',' + y0(getY(d,i)) + ')'
})
.attr('d',
d3.svg.symbol()
.type(getShape)
.size(function(d,i) { return z(getSize(d,i)) })
);
points.exit().remove();
d3.transition(groups.exit().selectAll('path.nv-point'))
.attr('transform', function(d,i) {
return 'translate(' + x(getX(d,i)) + ',' + y(getY(d,i)) + ')'
})
.remove();
points.attr('class', function(d,i) { return 'nv-point nv-point-' + i });
d3.transition(points)
.attr('transform', function(d,i) {
return 'translate(' + x(getX(d,i)) + ',' + y(getY(d,i)) + ')'
})
.attr('d',
d3.svg.symbol()
.type(getShape)
.size(function(d,i) { return z(getSize(d,i)) })
);
// Delay updating the invisible interactive layer for smoother animation
clearTimeout(timeoutID); // stop repeat calls to updateInteractiveLayer
timeoutID = setTimeout(updateInteractiveLayer, 1000);
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
z0 = z.copy();
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
dispatch.on('elementMouseover.point', function(d) {
if (interactive)
d3.select('.nv-chart-' + id + ' .nv-series-' + d.seriesIndex + ' .nv-point-' + d.pointIndex)
.classed('hover', true);
});
dispatch.on('elementMouseout.point', function(d) {
if (interactive)
d3.select('.nv-chart-' + id + ' .nv-series-' + d.seriesIndex + ' .nv-point-' + d.pointIndex)
.classed('hover', false);
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.x = function(_) {
if (!arguments.length) return getX;
getX = d3.functor(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = d3.functor(_);
return chart;
};
chart.size = function(_) {
if (!arguments.length) return getSize;
getSize = d3.functor(_);
return chart;
};
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.zScale = function(_) {
if (!arguments.length) return z;
z = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.sizeDomain = function(_) {
if (!arguments.length) return sizeDomain;
sizeDomain = _;
return chart;
};
chart.sizeRange = function(_) {
if (!arguments.length) return sizeRange;
sizeRange = _;
return chart;
};
chart.forceX = function(_) {
if (!arguments.length) return forceX;
forceX = _;
return chart;
};
chart.forceY = function(_) {
if (!arguments.length) return forceY;
forceY = _;
return chart;
};
chart.forceSize = function(_) {
if (!arguments.length) return forceSize;
forceSize = _;
return chart;
};
chart.interactive = function(_) {
if (!arguments.length) return interactive;
interactive = _;
return chart;
};
chart.pointActive = function(_) {
if (!arguments.length) return pointActive;
pointActive = _;
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.clipVoronoi= function(_) {
if (!arguments.length) return clipVoronoi;
clipVoronoi = _;
return chart;
};
chart.useVoronoi= function(_) {
if (!arguments.length) return useVoronoi;
useVoronoi = _;
if (useVoronoi === false) {
clipVoronoi = false;
}
return chart;
};
chart.clipRadius = function(_) {
if (!arguments.length) return clipRadius;
clipRadius = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.shape = function(_) {
if (!arguments.length) return getShape;
getShape = _;
return chart;
};
chart.id = function(_) {
if (!arguments.length) return id;
id = _;
return chart;
};
chart.singlePoint = function(_) {
if (!arguments.length) return singlePoint;
singlePoint = _;
return chart;
};
//============================================================
return chart;
}
nv.models.scatterChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var scatter = nv.models.scatter()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend()
, controls = nv.models.legend()
, distX = nv.models.distribution()
, distY = nv.models.distribution()
;
var margin = {top: 30, right: 20, bottom: 50, left: 75}
, width = null
, height = null
, color = nv.utils.defaultColor()
, x = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.xScale()
, y = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.yScale()
, xPadding = 0
, yPadding = 0
, showDistX = false
, showDistY = false
, showLegend = true
, showControls = !!d3.fisheye
, fisheye = 0
, pauseFisheye = false
, tooltips = true
, tooltipX = function(key, x, y) { return '<strong>' + x + '</strong>' }
, tooltipY = function(key, x, y) { return '<strong>' + y + '</strong>' }
//, tooltip = function(key, x, y) { return '<h3>' + key + '</h3>' }
, tooltip = null
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
, noData = "No Data Available."
;
scatter
.xScale(x)
.yScale(y)
;
xAxis
.orient('bottom')
.tickPadding(10)
;
yAxis
.orient('left')
.tickPadding(10)
;
distX
.axis('x')
;
distY
.axis('y')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0;
var showTooltip = function(e, offsetElement) {
//TODO: make tooltip style an option between single or dual on axes (maybe on all charts with axes?)
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
leftX = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
topX = y.range()[0] + margin.top + ( offsetElement.offsetTop || 0),
leftY = x.range()[0] + margin.left + ( offsetElement.offsetLeft || 0 ),
topY = e.pos[1] + ( offsetElement.offsetTop || 0),
xVal = xAxis.tickFormat()(scatter.x()(e.point, e.pointIndex)),
yVal = yAxis.tickFormat()(scatter.y()(e.point, e.pointIndex));
if( tooltipX != null )
nv.tooltip.show([leftX, topX], tooltipX(e.series.key, xVal, yVal, e, chart), 'n', 1, offsetElement, 'x-nvtooltip');
if( tooltipY != null )
nv.tooltip.show([leftY, topY], tooltipY(e.series.key, xVal, yVal, e, chart), 'e', 1, offsetElement, 'y-nvtooltip');
if( tooltip != null )
nv.tooltip.show([left, top], tooltip(e.series.key, xVal, yVal, e, chart), e.value < 0 ? 'n' : 's', null, offsetElement);
};
var controlsData = [
{ key: 'Magnify', disabled: true }
];
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display noData message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x0 = x0 || x;
y0 = y0 || y;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-scatterChart').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatterChart nv-chart-' + scatter.id());
var gEnter = wrapEnter.append('g');
var g = wrap.select('g')
// background for pointer events
gEnter.append('rect').attr('class', 'nvd3 nv-background')
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-scatterWrap');
gEnter.append('g').attr('class', 'nv-distWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
gEnter.append('g').attr('class', 'nv-controlsWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width( availableWidth / 2 );
wrap.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
wrap.select('.nv-legendWrap')
.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')');
}
//------------------------------------------------------------
//------------------------------------------------------------
// Controls
if (showControls) {
controls.width(180).color(['#444']);
g.select('.nv-controlsWrap')
.datum(controlsData)
.attr('transform', 'translate(0,' + (-margin.top) +')')
.call(controls);
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
scatter
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }))
wrap.select('.nv-scatterWrap')
.datum(data.filter(function(d) { return !d.disabled }))
.call(scatter);
//Adjust for x and y padding
if (xPadding) {
var xRange = x.domain()[1] - x.domain()[0];
x.domain([x.domain()[0] - (xPadding * xRange), x.domain()[1] + (xPadding * xRange)]);
}
if (yPadding) {
var yRange = y.domain()[1] - y.domain()[0];
y.domain([y.domain()[0] - (yPadding * yRange), y.domain()[1] + (yPadding * yRange)]);
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( xAxis.ticks() && xAxis.ticks().length ? xAxis.ticks() : availableWidth / 100 )
.tickSize( -availableHeight , 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')')
.call(xAxis);
yAxis
.scale(y)
.ticks( yAxis.ticks() && yAxis.ticks().length ? yAxis.ticks() : availableHeight / 36 )
.tickSize( -availableWidth, 0);
g.select('.nv-y.nv-axis')
.call(yAxis);
if (showDistX) {
distX
.getData(scatter.x())
.scale(x)
.width(availableWidth)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }));
gEnter.select('.nv-distWrap').append('g')
.attr('class', 'nv-distributionX');
g.select('.nv-distributionX')
.attr('transform', 'translate(0,' + y.range()[0] + ')')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distX);
}
if (showDistY) {
distY
.getData(scatter.y())
.scale(y)
.width(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }));
gEnter.select('.nv-distWrap').append('g')
.attr('class', 'nv-distributionY');
g.select('.nv-distributionY')
.attr('transform', 'translate(-' + distY.size() + ',0)')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distY);
}
//------------------------------------------------------------
if (d3.fisheye) {
g.select('.nv-background')
.attr('width', availableWidth)
.attr('height', availableHeight);
g.select('.nv-background').on('mousemove', updateFisheye);
g.select('.nv-background').on('click', function() { pauseFisheye = !pauseFisheye;});
scatter.dispatch.on('elementClick.freezeFisheye', function() {
pauseFisheye = !pauseFisheye;
});
}
function updateFisheye() {
if (pauseFisheye) {
g.select('.nv-point-paths').style('pointer-events', 'all');
return false;
}
g.select('.nv-point-paths').style('pointer-events', 'none' );
var mouse = d3.mouse(this);
x.distortion(fisheye).focus(mouse[0]);
y.distortion(fisheye).focus(mouse[1]);
g.select('.nv-scatterWrap')
.call(scatter);
g.select('.nv-x.nv-axis').call(xAxis);
g.select('.nv-y.nv-axis').call(yAxis);
g.select('.nv-distributionX')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distX);
g.select('.nv-distributionY')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distY);
}
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
controls.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
fisheye = d.disabled ? 0 : 2.5;
g.select('.nv-background') .style('pointer-events', d.disabled ? 'none' : 'all');
g.select('.nv-point-paths').style('pointer-events', d.disabled ? 'all' : 'none' );
if (d.disabled) {
x.distortion(fisheye).focus(0);
y.distortion(fisheye).focus(0);
g.select('.nv-scatterWrap').call(scatter);
g.select('.nv-x.nv-axis').call(xAxis);
g.select('.nv-y.nv-axis').call(yAxis);
} else {
pauseFisheye = false;
}
chart(selection);
});
legend.dispatch.on('legendClick', function(d,i, that) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
chart(selection);
});
/*
legend.dispatch.on('legendMouseover', function(d, i) {
d.hover = true;
chart(selection);
});
legend.dispatch.on('legendMouseout', function(d, i) {
d.hover = false;
chart(selection);
});
*/
scatter.dispatch.on('elementMouseover.tooltip', function(e) {
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex)
.attr('y1', e.pos[1] - availableHeight);
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex)
.attr('x2', e.pos[0] + distX.size());
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
scatter.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex)
.attr('y1', 0);
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex)
.attr('x2', distY.size());
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.scatter = scatter;
chart.legend = legend;
chart.controls = controls;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
chart.distX = distX;
chart.distY = distY;
d3.rebind(chart, scatter, 'id', 'interactive', 'pointActive', 'x', 'y', 'shape', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'sizeRange', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'useVoronoi');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
distX.color(color);
distY.color(color);
return chart;
};
chart.showDistX = function(_) {
if (!arguments.length) return showDistX;
showDistX = _;
return chart;
};
chart.showDistY = function(_) {
if (!arguments.length) return showDistY;
showDistY = _;
return chart;
};
chart.showControls = function(_) {
if (!arguments.length) return showControls;
showControls = _;
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.fisheye = function(_) {
if (!arguments.length) return fisheye;
fisheye = _;
return chart;
};
chart.xPadding = function(_) {
if (!arguments.length) return xPadding;
xPadding = _;
return chart;
};
chart.yPadding = function(_) {
if (!arguments.length) return yPadding;
yPadding = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.tooltipXContent = function(_) {
if (!arguments.length) return tooltipX;
tooltipX = _;
return chart;
};
chart.tooltipYContent = function(_) {
if (!arguments.length) return tooltipY;
tooltipY = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.scatterPlusLineChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var scatter = nv.models.scatter()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend()
, controls = nv.models.legend()
, distX = nv.models.distribution()
, distY = nv.models.distribution()
;
var margin = {top: 30, right: 20, bottom: 50, left: 75}
, width = null
, height = null
, color = nv.utils.defaultColor()
, x = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.xScale()
, y = d3.fisheye ? d3.fisheye.scale(d3.scale.linear).distortion(0) : scatter.yScale()
, showDistX = false
, showDistY = false
, showLegend = true
, showControls = !!d3.fisheye
, fisheye = 0
, pauseFisheye = false
, tooltips = true
, tooltipX = function(key, x, y) { return '<strong>' + x + '</strong>' }
, tooltipY = function(key, x, y) { return '<strong>' + y + '</strong>' }
, tooltip = function(key, x, y, date) { return '<h3>' + key + '</h3>'
+ '<p>' + date + '</p>' }
//, tooltip = null
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
, noData = "No Data Available."
;
scatter
.xScale(x)
.yScale(y)
;
xAxis
.orient('bottom')
.tickPadding(10)
;
yAxis
.orient('left')
.tickPadding(10)
;
distX
.axis('x')
;
distY
.axis('y')
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var x0, y0;
var showTooltip = function(e, offsetElement) {
//TODO: make tooltip style an option between single or dual on axes (maybe on all charts with axes?)
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
leftX = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
topX = y.range()[0] + margin.top + ( offsetElement.offsetTop || 0),
leftY = x.range()[0] + margin.left + ( offsetElement.offsetLeft || 0 ),
topY = e.pos[1] + ( offsetElement.offsetTop || 0),
xVal = xAxis.tickFormat()(scatter.x()(e.point, e.pointIndex)),
yVal = yAxis.tickFormat()(scatter.y()(e.point, e.pointIndex));
if( tooltipX != null )
nv.tooltip.show([leftX, topX], tooltipX(e.series.key, xVal, yVal, e, chart), 'n', 1, offsetElement, 'x-nvtooltip');
if( tooltipY != null )
nv.tooltip.show([leftY, topY], tooltipY(e.series.key, xVal, yVal, e, chart), 'e', 1, offsetElement, 'y-nvtooltip');
if( tooltip != null )
nv.tooltip.show([left, top], tooltip(e.series.key, xVal, yVal, e.point.tooltip, e, chart), e.value < 0 ? 'n' : 's', null, offsetElement);
};
var controlsData = [
{ key: 'Magnify', disabled: true }
];
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display noData message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = scatter.xScale();
y = scatter.yScale();
x0 = x0 || x;
y0 = y0 || y;
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-scatterChart').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatterChart nv-chart-' + scatter.id());
var gEnter = wrapEnter.append('g');
var g = wrap.select('g')
// background for pointer events
gEnter.append('rect').attr('class', 'nvd3 nv-background')
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-scatterWrap');
gEnter.append('g').attr('class', 'nv-regressionLinesWrap');
gEnter.append('g').attr('class', 'nv-distWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
gEnter.append('g').attr('class', 'nv-controlsWrap');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend.width( availableWidth / 2 );
wrap.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
wrap.select('.nv-legendWrap')
.attr('transform', 'translate(' + (availableWidth / 2) + ',' + (-margin.top) +')');
}
//------------------------------------------------------------
//------------------------------------------------------------
// Controls
if (showControls) {
controls.width(180).color(['#444']);
g.select('.nv-controlsWrap')
.datum(controlsData)
.attr('transform', 'translate(0,' + (-margin.top) +')')
.call(controls);
}
//------------------------------------------------------------
//------------------------------------------------------------
// Main Chart Component(s)
scatter
.width(availableWidth)
.height(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }))
wrap.select('.nv-scatterWrap')
.datum(data.filter(function(d) { return !d.disabled }))
.call(scatter);
wrap.select('.nv-regressionLinesWrap')
.attr('clip-path', 'url(#nv-edge-clip-' + scatter.id() + ')');
var regWrap = wrap.select('.nv-regressionLinesWrap').selectAll('.nv-regLines')
.data(function(d) { return d });
var reglines = regWrap.enter()
.append('g').attr('class', 'nv-regLines')
.append('line').attr('class', 'nv-regLine')
.style('stroke-opacity', 0);
//d3.transition(regWrap.selectAll('.nv-regLines line'))
regWrap.selectAll('.nv-regLines line')
.attr('x1', x.range()[0])
.attr('x2', x.range()[1])
.attr('y1', function(d,i) { return y(x.domain()[0] * d.slope + d.intercept) })
.attr('y2', function(d,i) { return y(x.domain()[1] * d.slope + d.intercept) })
.style('stroke', function(d,i,j) { return color(d,j) })
.style('stroke-opacity', function(d,i) {
return (d.disabled || typeof d.slope === 'undefined' || typeof d.intercept === 'undefined') ? 0 : 1
});
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( xAxis.ticks() ? xAxis.ticks() : availableWidth / 100 )
.tickSize( -availableHeight , 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + y.range()[0] + ')')
.call(xAxis);
yAxis
.scale(y)
.ticks( yAxis.ticks() ? yAxis.ticks() : availableHeight / 36 )
.tickSize( -availableWidth, 0);
g.select('.nv-y.nv-axis')
.call(yAxis);
if (showDistX) {
distX
.getData(scatter.x())
.scale(x)
.width(availableWidth)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }));
gEnter.select('.nv-distWrap').append('g')
.attr('class', 'nv-distributionX');
g.select('.nv-distributionX')
.attr('transform', 'translate(0,' + y.range()[0] + ')')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distX);
}
if (showDistY) {
distY
.getData(scatter.y())
.scale(y)
.width(availableHeight)
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }));
gEnter.select('.nv-distWrap').append('g')
.attr('class', 'nv-distributionY');
g.select('.nv-distributionY')
.attr('transform', 'translate(-' + distY.size() + ',0)')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distY);
}
//------------------------------------------------------------
if (d3.fisheye) {
g.select('.nv-background')
.attr('width', availableWidth)
.attr('height', availableHeight);
g.select('.nv-background').on('mousemove', updateFisheye);
g.select('.nv-background').on('click', function() { pauseFisheye = !pauseFisheye;});
scatter.dispatch.on('elementClick.freezeFisheye', function() {
pauseFisheye = !pauseFisheye;
});
}
function updateFisheye() {
if (pauseFisheye) {
g.select('.nv-point-paths').style('pointer-events', 'all');
return false;
}
g.select('.nv-point-paths').style('pointer-events', 'none' );
var mouse = d3.mouse(this);
x.distortion(fisheye).focus(mouse[0]);
y.distortion(fisheye).focus(mouse[1]);
g.select('.nv-scatterWrap')
.datum(data.filter(function(d) { return !d.disabled }))
.call(scatter);
g.select('.nv-x.nv-axis').call(xAxis);
g.select('.nv-y.nv-axis').call(yAxis);
g.select('.nv-distributionX')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distX);
g.select('.nv-distributionY')
.datum(data.filter(function(d) { return !d.disabled }))
.call(distY);
}
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
controls.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
fisheye = d.disabled ? 0 : 2.5;
g.select('.nv-background') .style('pointer-events', d.disabled ? 'none' : 'all');
g.select('.nv-point-paths').style('pointer-events', d.disabled ? 'all' : 'none' );
if (d.disabled) {
x.distortion(fisheye).focus(0);
y.distortion(fisheye).focus(0);
g.select('.nv-scatterWrap').call(scatter);
g.select('.nv-x.nv-axis').call(xAxis);
g.select('.nv-y.nv-axis').call(yAxis);
} else {
pauseFisheye = false;
}
chart(selection);
});
legend.dispatch.on('legendClick', function(d,i, that) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
wrap.selectAll('.nv-series').classed('disabled', false);
return d;
});
}
chart(selection);
});
/*
legend.dispatch.on('legendMouseover', function(d, i) {
d.hover = true;
chart(selection);
});
legend.dispatch.on('legendMouseout', function(d, i) {
d.hover = false;
chart(selection);
});
*/
scatter.dispatch.on('elementMouseover.tooltip', function(e) {
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex)
.attr('y1', e.pos[1] - availableHeight);
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex)
.attr('x2', e.pos[0] + distX.size());
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
dispatch.tooltipShow(e);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
//============================================================
//store old scales for use in transitions on update
x0 = x.copy();
y0 = y.copy();
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
scatter.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-distx-' + e.pointIndex)
.attr('y1', 0);
d3.select('.nv-chart-' + scatter.id() + ' .nv-series-' + e.seriesIndex + ' .nv-disty-' + e.pointIndex)
.attr('x2', distY.size());
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.scatter = scatter;
chart.legend = legend;
chart.controls = controls;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
chart.distX = distX;
chart.distY = distY;
d3.rebind(chart, scatter, 'id', 'interactive', 'pointActive', 'x', 'y', 'shape', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'sizeRange', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius', 'useVoronoi');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
distX.color(color);
distY.color(color);
return chart;
};
chart.showDistX = function(_) {
if (!arguments.length) return showDistX;
showDistX = _;
return chart;
};
chart.showDistY = function(_) {
if (!arguments.length) return showDistY;
showDistY = _;
return chart;
};
chart.showControls = function(_) {
if (!arguments.length) return showControls;
showControls = _;
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.fisheye = function(_) {
if (!arguments.length) return fisheye;
fisheye = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.tooltipXContent = function(_) {
if (!arguments.length) return tooltipX;
tooltipX = _;
return chart;
};
chart.tooltipYContent = function(_) {
if (!arguments.length) return tooltipY;
tooltipY = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.sparkline = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 2, right: 0, bottom: 2, left: 0}
, width = 400
, height = 32
, animate = true
, x = d3.scale.linear()
, y = d3.scale.linear()
, getX = function(d) { return d.x }
, getY = function(d) { return d.y }
, color = nv.utils.getColor(['#000'])
, xDomain
, yDomain
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//------------------------------------------------------------
// Setup Scales
x .domain(xDomain || d3.extent(data, getX ))
.range([0, availableWidth]);
y .domain(yDomain || d3.extent(data, getY ))
.range([availableHeight, 0]);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-sparkline').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-sparkline');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')')
//------------------------------------------------------------
var paths = wrap.selectAll('path')
.data(function(d) { return [d] });
paths.enter().append('path');
paths.exit().remove();
paths
.style('stroke', function(d,i) { return d.color || color(d, i) })
.attr('d', d3.svg.line()
.x(function(d,i) { return x(getX(d,i)) })
.y(function(d,i) { return y(getY(d,i)) })
);
// TODO: Add CURRENT data point (Need Min, Mac, Current / Most recent)
var points = wrap.selectAll('circle.nv-point')
.data(function(data) {
var yValues = data.map(function(d, i) { return getY(d,i); });
function pointIndex(index) {
if (index != -1) {
var result = data[index];
result.pointIndex = index;
return result;
} else {
return null;
}
}
var maxPoint = pointIndex(yValues.lastIndexOf(y.domain()[1])),
minPoint = pointIndex(yValues.indexOf(y.domain()[0])),
currentPoint = pointIndex(yValues.length - 1);
return [minPoint, maxPoint, currentPoint].filter(function (d) {return d != null;});
});
points.enter().append('circle');
points.exit().remove();
points
.attr('cx', function(d,i) { return x(getX(d,d.pointIndex)) })
.attr('cy', function(d,i) { return y(getY(d,d.pointIndex)) })
.attr('r', 2)
.attr('class', function(d,i) {
return getX(d, d.pointIndex) == x.domain()[1] ? 'nv-point nv-currentValue' :
getY(d, d.pointIndex) == y.domain()[0] ? 'nv-point nv-minValue' : 'nv-point nv-maxValue'
});
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.x = function(_) {
if (!arguments.length) return getX;
getX = d3.functor(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = d3.functor(_);
return chart;
};
chart.xScale = function(_) {
if (!arguments.length) return x;
x = _;
return chart;
};
chart.yScale = function(_) {
if (!arguments.length) return y;
y = _;
return chart;
};
chart.xDomain = function(_) {
if (!arguments.length) return xDomain;
xDomain = _;
return chart;
};
chart.yDomain = function(_) {
if (!arguments.length) return yDomain;
yDomain = _;
return chart;
};
chart.animate = function(_) {
if (!arguments.length) return animate;
animate = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
//============================================================
return chart;
}
nv.models.sparklinePlus = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var sparkline = nv.models.sparkline();
var margin = {top: 15, right: 100, bottom: 10, left: 50}
, width = null
, height = null
, x
, y
, index = []
, paused = false
, xTickFormat = d3.format(',r')
, yTickFormat = d3.format(',.2f')
, showValue = true
, noData = "No Data Available."
;
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this);
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
var currentValue = sparkline.y()(data[data.length-1], data.length-1);
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = sparkline.xScale();
y = sparkline.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-sparklineplus').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-sparklineplus');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-sparklineWrap');
gEnter.append('g').attr('class', 'nv-valueWrap');
gEnter.append('g').attr('class', 'nv-hoverArea');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
//------------------------------------------------------------
// Main Chart Component(s)
var sparklineWrap = g.select('.nv-sparklineWrap');
sparkline
.width(availableWidth)
.height(availableHeight);
sparklineWrap
.call(sparkline);
//------------------------------------------------------------
var valueWrap = g.select('.nv-valueWrap');
var value = valueWrap.selectAll('.nv-currentValue')
.data([currentValue]);
value.enter().append('text').attr('class', 'nv-currentValue')
.attr('dx', 8)
.attr('dy', '.65em');
value
.attr('x', availableWidth)
.attr('y', function(d) { return y(d) })
.style('fill', sparkline.color()(data[data.length-1], data.length-1))
.text(yTickFormat(currentValue));
gEnter.select('.nv-hoverArea').append('rect')
.on('mousemove', sparklineHover)
.on('click', function() { paused = !paused })
.on('mouseout', function() { index = []; updateValueLine(); });
//.on('mouseout', function() { index = null; updateValueLine(); });
g.select('.nv-hoverArea rect')
.attr('transform', function(d) { return 'translate(' + -margin.left + ',' + -margin.top + ')' })
.attr('width', availableWidth + margin.left + margin.right)
.attr('height', availableHeight + margin.top);
function updateValueLine() { //index is currently global (within the chart), may or may not keep it that way
if (paused) return;
var hoverValue = g.selectAll('.nv-hoverValue').data(index)
var hoverEnter = hoverValue.enter()
.append('g').attr('class', 'nv-hoverValue')
.style('stroke-opacity', 0)
.style('fill-opacity', 0);
hoverValue.exit()
.transition().duration(250)
.style('stroke-opacity', 0)
.style('fill-opacity', 0)
.remove();
hoverValue
.attr('transform', function(d) { return 'translate(' + x(sparkline.x()(data[d],d)) + ',0)' })
.transition().duration(250)
.style('stroke-opacity', 1)
.style('fill-opacity', 1);
if (!index.length) return;
hoverEnter.append('line')
.attr('x1', 0)
.attr('y1', -margin.top)
.attr('x2', 0)
.attr('y2', availableHeight);
hoverEnter.append('text').attr('class', 'nv-xValue')
.attr('x', -6)
.attr('y', -margin.top)
.attr('text-anchor', 'end')
.attr('dy', '.9em')
g.select('.nv-hoverValue .nv-xValue')
.text(xTickFormat(sparkline.x()(data[index[0]], index[0])));
hoverEnter.append('text').attr('class', 'nv-yValue')
.attr('x', 6)
.attr('y', -margin.top)
.attr('text-anchor', 'start')
.attr('dy', '.9em')
g.select('.nv-hoverValue .nv-yValue')
.text(yTickFormat(sparkline.y()(data[index[0]], index[0])));
}
function sparklineHover() {
if (paused) return;
var pos = d3.mouse(this)[0] - margin.left;
function getClosestIndex(data, x) {
var distance = Math.abs(sparkline.x()(data[0], 0) - x);
var closestIndex = 0;
for (var i = 0; i < data.length; i++){
if (Math.abs(sparkline.x()(data[i], i) - x) < distance) {
distance = Math.abs(sparkline.x()(data[i], i) - x);
closestIndex = i;
}
}
return closestIndex;
}
index = [getClosestIndex(data, Math.round(x.invert(pos)))];
updateValueLine();
}
});
return chart;
}
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.sparkline = sparkline;
d3.rebind(chart, sparkline, 'x', 'y', 'xScale', 'yScale', 'color');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.xTickFormat = function(_) {
if (!arguments.length) return xTickFormat;
xTickFormat = _;
return chart;
};
chart.yTickFormat = function(_) {
if (!arguments.length) return yTickFormat;
yTickFormat = _;
return chart;
};
chart.showValue = function(_) {
if (!arguments.length) return showValue;
showValue = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
//============================================================
return chart;
}
nv.models.stackedArea = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var margin = {top: 0, right: 0, bottom: 0, left: 0}
, width = 960
, height = 500
, color = nv.utils.defaultColor() // a function that computes the color
, id = Math.floor(Math.random() * 100000) //Create semi-unique ID incase user doesn't selet one
, getX = function(d) { return d.x } // accessor to get the x value from a data point
, getY = function(d) { return d.y } // accessor to get the y value from a data point
, style = 'stack'
, offset = 'zero'
, order = 'default'
, interpolate = 'linear' // controls the line interpolation
, clipEdge = false // if true, masks lines within x and y scale
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, scatter = nv.models.scatter()
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'areaClick', 'areaMouseover', 'areaMouseout')
;
scatter
.size(2.2) // default size
.sizeDomain([2.2]) // all the same size by default
;
/************************************
* offset:
* 'wiggle' (stream)
* 'zero' (stacked)
* 'expand' (normalize to 100%)
* 'silhouette' (simple centered)
*
* order:
* 'inside-out' (stream)
* 'default' (input order)
************************************/
//============================================================
function chart(selection) {
selection.each(function(data) {
var availableWidth = width - margin.left - margin.right,
availableHeight = height - margin.top - margin.bottom,
container = d3.select(this);
//------------------------------------------------------------
// Setup Scales
x = scatter.xScale();
y = scatter.yScale();
//------------------------------------------------------------
// Injecting point index into each point because d3.layout.stack().out does not give index
// ***Also storing getY(d,i) as stackedY so that it can be set to 0 if series is disabled
data = data.map(function(aseries, i) {
aseries.values = aseries.values.map(function(d, j) {
d.index = j;
d.stackedY = aseries.disabled ? 0 : getY(d,j);
return d;
})
return aseries;
});
data = d3.layout.stack()
.order(order)
.offset(offset)
.values(function(d) { return d.values }) //TODO: make values customizeable in EVERY model in this fashion
.x(getX)
.y(function(d) { return d.stackedY })
.out(function(d, y0, y) {
d.display = {
y: y,
y0: y0
};
})
(data);
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-stackedarea').data([data]);
var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-stackedarea');
var defsEnter = wrapEnter.append('defs');
var gEnter = wrapEnter.append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-areaWrap');
gEnter.append('g').attr('class', 'nv-scatterWrap');
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
scatter
.width(availableWidth)
.height(availableHeight)
.x(getX)
.y(function(d) { return d.display.y + d.display.y0 })
.forceY([0])
.color(data.map(function(d,i) {
return d.color || color(d, i);
}).filter(function(d,i) { return !data[i].disabled }));
var scatterWrap = g.select('.nv-scatterWrap')
.datum(data.filter(function(d) { return !d.disabled }))
//d3.transition(scatterWrap).call(scatter);
scatterWrap.call(scatter);
defsEnter.append('clipPath')
.attr('id', 'nv-edge-clip-' + id)
.append('rect');
wrap.select('#nv-edge-clip-' + id + ' rect')
.attr('width', availableWidth)
.attr('height', availableHeight);
g .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
var area = d3.svg.area()
.x(function(d,i) { return x(getX(d,i)) })
.y0(function(d) { return y(d.display.y0) })
.y1(function(d) { return y(d.display.y + d.display.y0) })
.interpolate(interpolate);
var zeroArea = d3.svg.area()
.x(function(d,i) { return x(getX(d,i)) })
.y0(function(d) { return y(d.display.y0) })
.y1(function(d) { return y(d.display.y0) });
var path = g.select('.nv-areaWrap').selectAll('path.nv-area')
.data(function(d) { return d });
//.data(function(d) { return d }, function(d) { return d.key });
path.enter().append('path').attr('class', function(d,i) { return 'nv-area nv-area-' + i })
.on('mouseover', function(d,i) {
d3.select(this).classed('hover', true);
dispatch.areaMouseover({
point: d,
series: d.key,
pos: [d3.event.pageX, d3.event.pageY],
seriesIndex: i
});
})
.on('mouseout', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.areaMouseout({
point: d,
series: d.key,
pos: [d3.event.pageX, d3.event.pageY],
seriesIndex: i
});
})
.on('click', function(d,i) {
d3.select(this).classed('hover', false);
dispatch.areaClick({
point: d,
series: d.key,
pos: [d3.event.pageX, d3.event.pageY],
seriesIndex: i
});
})
//d3.transition(path.exit())
path.exit()
.attr('d', function(d,i) { return zeroArea(d.values,i) })
.remove();
path
.style('fill', function(d,i){ return d.color || color(d, i) })
.style('stroke', function(d,i){ return d.color || color(d, i) });
//d3.transition(path)
path
.attr('d', function(d,i) { return area(d.values,i) })
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
scatter.dispatch.on('elementMouseover.area', function(e) {
g.select('.nv-chart-' + id + ' .nv-area-' + e.seriesIndex).classed('hover', true);
});
scatter.dispatch.on('elementMouseout.area', function(e) {
g.select('.nv-chart-' + id + ' .nv-area-' + e.seriesIndex).classed('hover', false);
});
//============================================================
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
scatter.dispatch.on('elementClick.area', function(e) {
dispatch.areaClick(e);
})
scatter.dispatch.on('elementMouseover.tooltip', function(e) {
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top],
dispatch.tooltipShow(e);
});
scatter.dispatch.on('elementMouseout.tooltip', function(e) {
dispatch.tooltipHide(e);
});
//============================================================
//============================================================
// Global getters and setters
//------------------------------------------------------------
chart.dispatch = dispatch;
chart.scatter = scatter;
d3.rebind(chart, scatter, 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius');
chart.x = function(_) {
if (!arguments.length) return getX;
getX = d3.functor(_);
return chart;
};
chart.y = function(_) {
if (!arguments.length) return getY;
getY = d3.functor(_);
return chart;
}
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return width;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return height;
height = _;
return chart;
};
chart.clipEdge = function(_) {
if (!arguments.length) return clipEdge;
clipEdge = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
return chart;
};
chart.offset = function(_) {
if (!arguments.length) return offset;
offset = _;
return chart;
};
chart.order = function(_) {
if (!arguments.length) return order;
order = _;
return chart;
};
//shortcut for offset + order
chart.style = function(_) {
if (!arguments.length) return style;
style = _;
switch (style) {
case 'stack':
chart.offset('zero');
chart.order('default');
break;
case 'stream':
chart.offset('wiggle');
chart.order('inside-out');
break;
case 'stream-center':
chart.offset('silhouette');
chart.order('inside-out');
break;
case 'expand':
chart.offset('expand');
chart.order('default');
break;
}
return chart;
};
chart.interpolate = function(_) {
if (!arguments.length) return interpolate;
interpolate = _;
return interpolate;
};
//============================================================
return chart;
}
nv.models.stackedAreaChart = function() {
//============================================================
// Public Variables with Default Settings
//------------------------------------------------------------
var stacked = nv.models.stackedArea()
, xAxis = nv.models.axis()
, yAxis = nv.models.axis()
, legend = nv.models.legend()
, controls = nv.models.legend()
;
var margin = {top: 30, right: 25, bottom: 50, left: 60}
, width = null
, height = null
, color = nv.utils.defaultColor() // a function that takes in d, i and returns color
, showControls = true
, showLegend = true
, tooltips = true
, tooltip = function(key, x, y, e, graph) {
return '<h3>' + key + '</h3>' +
'<p>' + y + ' on ' + x + '</p>'
}
, x //can be accessed via chart.xScale()
, y //can be accessed via chart.yScale()
, yAxisTickFormat = d3.format(',.2f')
, noData = 'No Data Available.'
, dispatch = d3.dispatch('tooltipShow', 'tooltipHide')
;
xAxis
.orient('bottom')
.tickPadding(7)
;
yAxis
.orient('left')
;
stacked.scatter
.pointActive(function(d) {
//console.log(stacked.y()(d), !!Math.round(stacked.y()(d) * 100));
return !!Math.round(stacked.y()(d) * 100);
})
;
//============================================================
//============================================================
// Private Variables
//------------------------------------------------------------
var showTooltip = function(e, offsetElement) {
var left = e.pos[0] + ( offsetElement.offsetLeft || 0 ),
top = e.pos[1] + ( offsetElement.offsetTop || 0),
x = xAxis.tickFormat()(stacked.x()(e.point, e.pointIndex)),
y = yAxis.tickFormat()(stacked.y()(e.point, e.pointIndex)),
content = tooltip(e.series.key, x, y, e, chart);
nv.tooltip.show([left, top], content, e.value < 0 ? 'n' : 's', null, offsetElement);
};
//============================================================
function chart(selection) {
selection.each(function(data) {
var container = d3.select(this),
that = this;
var availableWidth = (width || parseInt(container.style('width')) || 960)
- margin.left - margin.right,
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
chart.update = function() { chart(selection) };
chart.container = this;
//------------------------------------------------------------
// Display No Data message if there's nothing to show.
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
var noDataText = container.selectAll('.nv-noData').data([noData]);
noDataText.enter().append('text')
.attr('class', 'nvd3 nv-noData')
.attr('dy', '-.7em')
.style('text-anchor', 'middle');
noDataText
.attr('x', margin.left + availableWidth / 2)
.attr('y', margin.top + availableHeight / 2)
.text(function(d) { return d });
return chart;
} else {
container.selectAll('.nv-noData').remove();
}
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Scales
x = stacked.xScale();
y = stacked.yScale();
//------------------------------------------------------------
//------------------------------------------------------------
// Setup containers and skeleton of chart
var wrap = container.selectAll('g.nv-wrap.nv-stackedAreaChart').data([data]);
var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-stackedAreaChart').append('g');
var g = wrap.select('g');
gEnter.append('g').attr('class', 'nv-x nv-axis');
gEnter.append('g').attr('class', 'nv-y nv-axis');
gEnter.append('g').attr('class', 'nv-stackedWrap');
gEnter.append('g').attr('class', 'nv-legendWrap');
gEnter.append('g').attr('class', 'nv-controlsWrap');
//------------------------------------------------------------
//------------------------------------------------------------
// Legend
if (showLegend) {
legend
.width( availableWidth * 2 / 3 );
g.select('.nv-legendWrap')
.datum(data)
.call(legend);
if ( margin.top != legend.height()) {
margin.top = legend.height();
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.nv-legendWrap')
.attr('transform', 'translate(' + ( availableWidth * 1 / 3 ) + ',' + (-margin.top) +')');
}
//------------------------------------------------------------
//------------------------------------------------------------
// Controls
if (showControls) {
var controlsData = [
{ key: 'Stacked', disabled: stacked.offset() != 'zero' },
{ key: 'Stream', disabled: stacked.offset() != 'wiggle' },
{ key: 'Expanded', disabled: stacked.offset() != 'expand' }
];
controls
.width( Math.min(280, availableWidth * 1 / 3) )
.color(['#444', '#444', '#444']);
g.select('.nv-controlsWrap')
.datum(controlsData)
.call(controls);
if ( margin.top != Math.max(controls.height(), legend.height()) ) {
margin.top = Math.max(controls.height(), legend.height());
availableHeight = (height || parseInt(container.style('height')) || 400)
- margin.top - margin.bottom;
}
g.select('.nv-controlsWrap')
.attr('transform', 'translate(0,' + (-margin.top) +')');
}
//------------------------------------------------------------
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
//------------------------------------------------------------
// Main Chart Component(s)
stacked
.width(availableWidth)
.height(availableHeight)
var stackedWrap = g.select('.nv-stackedWrap')
.datum(data);
//d3.transition(stackedWrap).call(stacked);
stackedWrap.call(stacked);
//------------------------------------------------------------
//------------------------------------------------------------
// Setup Axes
xAxis
.scale(x)
.ticks( availableWidth / 100 )
.tickSize( -availableHeight, 0);
g.select('.nv-x.nv-axis')
.attr('transform', 'translate(0,' + availableHeight + ')');
//d3.transition(g.select('.nv-x.nv-axis'))
g.select('.nv-x.nv-axis')
.transition().duration(0)
.call(xAxis);
yAxis
.scale(y)
.ticks(stacked.offset() == 'wiggle' ? 0 : availableHeight / 36)
.tickSize(-availableWidth, 0)
.setTickFormat(stacked.offset() == 'expand' ? d3.format('%') : yAxisTickFormat);
//d3.transition(g.select('.nv-y.nv-axis'))
g.select('.nv-y.nv-axis')
.transition().duration(0)
.call(yAxis);
//------------------------------------------------------------
//============================================================
// Event Handling/Dispatching (in chart's scope)
//------------------------------------------------------------
stacked.dispatch.on('areaClick.toggle', function(e) {
if (data.filter(function(d) { return !d.disabled }).length === 1)
data = data.map(function(d) {
d.disabled = false;
return d
});
else
data = data.map(function(d,i) {
d.disabled = (i != e.seriesIndex);
return d
});
//selection.transition().call(chart);
chart(selection);
});
legend.dispatch.on('legendClick', function(d,i) {
d.disabled = !d.disabled;
if (!data.filter(function(d) { return !d.disabled }).length) {
data.map(function(d) {
d.disabled = false;
return d;
});
}
//selection.transition().call(chart);
chart(selection);
});
controls.dispatch.on('legendClick', function(d,i) {
if (!d.disabled) return;
controlsData = controlsData.map(function(s) {
s.disabled = true;
return s;
});
d.disabled = false;
switch (d.key) {
case 'Stacked':
stacked.style('stack');
break;
case 'Stream':
stacked.style('stream');
break;
case 'Expanded':
stacked.style('expand');
break;
}
//selection.transition().call(chart);
chart(selection);
});
dispatch.on('tooltipShow', function(e) {
if (tooltips) showTooltip(e, that.parentNode);
});
});
return chart;
}
//============================================================
// Event Handling/Dispatching (out of chart's scope)
//------------------------------------------------------------
stacked.dispatch.on('tooltipShow', function(e) {
//disable tooltips when value ~= 0
//// TODO: consider removing points from voronoi that have 0 value instead of this hack
/*
if (!Math.round(stacked.y()(e.point) * 100)) { // 100 will not be good for very small numbers... will have to think about making this valu dynamic, based on data range
setTimeout(function() { d3.selectAll('.point.hover').classed('hover', false) }, 0);
return false;
}
*/
e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top],
dispatch.tooltipShow(e);
});
stacked.dispatch.on('tooltipHide', function(e) {
dispatch.tooltipHide(e);
});
dispatch.on('tooltipHide', function() {
if (tooltips) nv.tooltip.cleanup();
});
//============================================================
//============================================================
// Expose Public Variables
//------------------------------------------------------------
// expose chart's sub-components
chart.dispatch = dispatch;
chart.stacked = stacked;
chart.legend = legend;
chart.controls = controls;
chart.xAxis = xAxis;
chart.yAxis = yAxis;
d3.rebind(chart, stacked, 'x', 'y', 'size', 'xScale', 'yScale', 'xDomain', 'yDomain', 'sizeDomain', 'interactive', 'offset', 'order', 'style', 'clipEdge', 'forceX', 'forceY', 'forceSize', 'interpolate');
chart.margin = function(_) {
if (!arguments.length) return margin;
margin.top = typeof _.top != 'undefined' ? _.top : margin.top;
margin.right = typeof _.right != 'undefined' ? _.right : margin.right;
margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
margin.left = typeof _.left != 'undefined' ? _.left : margin.left;
return chart;
};
chart.width = function(_) {
if (!arguments.length) return getWidth;
width = _;
return chart;
};
chart.height = function(_) {
if (!arguments.length) return getHeight;
height = _;
return chart;
};
chart.color = function(_) {
if (!arguments.length) return color;
color = nv.utils.getColor(_);
legend.color(color);
stacked.color(color);
return chart;
};
chart.showControls = function(_) {
if (!arguments.length) return showControls;
showControls = _;
return chart;
};
chart.showLegend = function(_) {
if (!arguments.length) return showLegend;
showLegend = _;
return chart;
};
chart.tooltip = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.tooltips = function(_) {
if (!arguments.length) return tooltips;
tooltips = _;
return chart;
};
chart.tooltipContent = function(_) {
if (!arguments.length) return tooltip;
tooltip = _;
return chart;
};
chart.noData = function(_) {
if (!arguments.length) return noData;
noData = _;
return chart;
};
yAxis.setTickFormat = yAxis.tickFormat;
yAxis.tickFormat = function(_) {
if (!arguments.length) return yAxisTickFormat;
yAxisTickFormat = _;
return yAxis;
};
//============================================================
return chart;
}
})();