You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
315 lines
9.0 KiB
JavaScript
315 lines
9.0 KiB
JavaScript
|
|
// 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() {
|
|
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>' + e.label + '</h3>' +
|
|
'<p>' + e.value + '</p>'
|
|
},
|
|
noData = "No Data Available."
|
|
;
|
|
|
|
|
|
var dispatch = d3.dispatch('tooltipShow', 'tooltipHide'),
|
|
bullet = nv.models.bullet();
|
|
|
|
|
|
var showTooltip = function(e, offsetElement) {
|
|
var offsetElement = document.getElementById("chart"),
|
|
left = e.pos[0] + offsetElement.offsetLeft + margin.left,
|
|
top = e.pos[1] + offsetElement.offsetTop + margin.top;
|
|
|
|
var content = '<h3>' + e.label + '</h3>' +
|
|
'<p>' + e.value + '</p>';
|
|
|
|
nv.tooltip.show([left, top], content, e.value < 0 ? 'e' : 'w', null, offsetElement);
|
|
};
|
|
|
|
|
|
// For each small multiple…
|
|
function chart(g) {
|
|
g.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;
|
|
|
|
|
|
//------------------------------------------------------------
|
|
// Display No Data message if there's nothing to show.
|
|
|
|
/*
|
|
// Disabled until I figure out a better way to check for no data with the bullet chart
|
|
if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
|
|
container.append('text')
|
|
.attr('class', 'nvd3 nv-noData')
|
|
.attr('x', availableWidth / 2)
|
|
.attr('y', availableHeight / 2)
|
|
.attr('dy', '-.7em')
|
|
.style('text-anchor', 'middle')
|
|
.text(noData);
|
|
return chart;
|
|
} else {
|
|
container.select('.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);
|
|
|
|
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');
|
|
|
|
gEnter.append('g').attr('class', 'nv-bulletWrap');
|
|
gEnter.append('g').attr('class', 'nv-titles');
|
|
|
|
var g = wrap.select('g')
|
|
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 = g.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')
|
|
//.datum(data);
|
|
|
|
d3.transition(bulletWrap).call(bullet);
|
|
|
|
|
|
|
|
// Compute the tick format.
|
|
var format = tickFormat || x1.tickFormat(8);
|
|
|
|
// Update the tick groups.
|
|
var tick = g.selectAll('g.nv-tick')
|
|
.data(x1.ticks(8), 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 entering ticks to the new scale, x1.
|
|
d3.transition(tickEnter)
|
|
.attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
|
|
.style('opacity', 1);
|
|
|
|
// 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();
|
|
|
|
/*
|
|
bullet.dispatch.on('elementMouseover', function(e) {
|
|
var offsetElement = document.getElementById("chart"),
|
|
left = e.pos[0] + offsetElement.offsetLeft + margin.left,
|
|
top = e.pos[1] + offsetElement.offsetTop + margin.top;
|
|
|
|
var content = '<h3>' + e.label + '</h3>' +
|
|
'<p>' +
|
|
e.value +
|
|
'</p>';
|
|
|
|
nv.tooltip.show([left, top], content, e.value < 0 ? 'e' : 'w');
|
|
});
|
|
|
|
|
|
bullet.dispatch.on('elementMouseout', function(e) {
|
|
nv.tooltip.cleanup();
|
|
});
|
|
*/
|
|
|
|
bullet.dispatch.on('elementMouseover.tooltip', function(e) {
|
|
//e.pos = [e.pos[0] + margin.left, e.pos[1] + margin.top];
|
|
dispatch.tooltipShow(e);
|
|
});
|
|
if (tooltips) dispatch.on('tooltipShow', function(e) { showTooltip(e, that.parentNode) } ); // TODO: maybe merge with above?
|
|
|
|
bullet.dispatch.on('elementMouseout.tooltip', function(e) {
|
|
dispatch.tooltipHide(e);
|
|
});
|
|
if (tooltips) dispatch.on('tooltipHide', nv.tooltip.cleanup);
|
|
|
|
|
|
|
|
});
|
|
d3.timer.flush();
|
|
}
|
|
|
|
|
|
chart.dispatch = dispatch;
|
|
chart.bullet = bullet;
|
|
|
|
// 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 = _;
|
|
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;
|
|
};
|
|
|
|
|