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.
287 lines
8.6 KiB
JavaScript
287 lines
8.6 KiB
JavaScript
|
|
nv.models.stackedArea = function() {
|
|
//Default Settings
|
|
var margin = {top: 0, right: 0, bottom: 0, left: 0},
|
|
width = 960,
|
|
height = 500,
|
|
color = d3.scale.category20().range(), // array of colors to be used in order
|
|
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',
|
|
clipEdge = false; // if true, masks lines within x and y scale
|
|
|
|
/************************************
|
|
* offset:
|
|
* 'wiggle' (stream)
|
|
* 'zero' (stacked)
|
|
* 'expand' (normalize to 100%)
|
|
* 'silhouette' (simple centered)
|
|
*
|
|
* order:
|
|
* 'inside-out' (stream)
|
|
* 'default' (input order)
|
|
************************************/
|
|
|
|
var scatter= nv.models.scatter()
|
|
.size(2.2) // default size
|
|
.sizeDomain([2.5]), //set to speed up calculation, needs to be unset if there is a cstom size accessor
|
|
x = scatter.xScale(),
|
|
y = scatter.yScale(),
|
|
dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'areaClick', 'areaMouseover', 'areaMouseout');
|
|
|
|
function chart(selection) {
|
|
selection.each(function(data) {
|
|
// Need to leave data alone to switch between stacked, stream, and expanded
|
|
var dataCopy = JSON.parse(JSON.stringify(data)),
|
|
availableWidth = width - margin.left - margin.right,
|
|
availableHeight = height - margin.top - margin.bottom;
|
|
|
|
//TODO: try to get rid of the need for copying the data, and use the data directly
|
|
|
|
//console.log(dataCopy);
|
|
dataCopy = dataCopy.map(function(series,i) {
|
|
if (series.disabled)
|
|
series.values = series.values.map(function(d,i) {
|
|
d._y = d.y || d._y;
|
|
d.y = 0; //TODO: need to use value from getY, not always d.y
|
|
return d
|
|
});
|
|
return series;
|
|
});
|
|
|
|
|
|
//TODO: deal with negative stacked charts
|
|
|
|
//compute the data based on offset and order (calc's y0 for every point)
|
|
dataCopy = d3.layout.stack()
|
|
.offset(offset)
|
|
.order(order)
|
|
.values(function(d){ return d.values })
|
|
.y(getY)
|
|
(dataCopy);
|
|
|
|
|
|
|
|
var wrap = d3.select(this).selectAll('g.wrap.stackedarea').data([dataCopy]);
|
|
var wrapEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 stackedarea');
|
|
var defsEnter = wrapEnter.append('defs');
|
|
var gEnter = wrapEnter.append('g');
|
|
var g = wrap.select('g');
|
|
|
|
gEnter.append('g').attr('class', 'areaWrap');
|
|
|
|
|
|
scatter
|
|
.width(availableWidth)
|
|
.height(availableHeight)
|
|
//.x(getX)
|
|
.y(function(d) { return d.y + d.y0 }) // TODO: allow for getY to be other than d.y
|
|
.forceY([0])
|
|
.color(dataCopy.map(function(d,i) {
|
|
return d.color || color[i % color.length];
|
|
}).filter(function(d,i) { return !dataCopy[i].disabled }));
|
|
|
|
gEnter.append('g').attr('class', 'scatterWrap');
|
|
var scatterWrap= g.select('.scatterWrap')
|
|
.datum(dataCopy.filter(function(d) { return !d.disabled }))
|
|
|
|
d3.transition(scatterWrap).call(scatter);
|
|
|
|
|
|
|
|
|
|
wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
|
|
|
|
|
|
defsEnter.append('clipPath')
|
|
.attr('id', 'edge-clip-' + id)
|
|
.append('rect');
|
|
|
|
wrap.select('#edge-clip-' + id + ' rect')
|
|
.attr('width', availableWidth)
|
|
.attr('height', availableHeight);
|
|
|
|
g .attr('clip-path', clipEdge ? 'url(#edge-clip-' + id + ')' : '');
|
|
|
|
|
|
|
|
|
|
var area = d3.svg.area()
|
|
.x(function(d,i) { return x(scatter.x()(d,i)) })
|
|
.y0(function(d) { return y(d.y0) })
|
|
.y1(function(d) { return y(d.y + d.y0) });
|
|
|
|
var zeroArea = d3.svg.area()
|
|
.x(function(d,i) { return x(scatter.x()(d,i)) })
|
|
.y0(function(d) { return y(d.y0) })
|
|
.y1(function(d) { return y(d.y0) });
|
|
|
|
|
|
var path = g.select('.areaWrap').selectAll('path.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 'area area-' + i })
|
|
.on('mouseover', function(d,i) {
|
|
d3.select(this).classed('hover', true);
|
|
dispatch.areaMouseover({
|
|
point: d,
|
|
series: d.key,
|
|
//pos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
|
|
pos: [d3.event.pageX, d3.event.pageY],
|
|
seriesIndex: i
|
|
//pointIndex: d.point
|
|
});
|
|
})
|
|
.on('mouseout', function(d,i) {
|
|
d3.select(this).classed('hover', false);
|
|
dispatch.areaMouseout({
|
|
point: d,
|
|
series: d.key,
|
|
//pos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
|
|
pos: [d3.event.pageX, d3.event.pageY],
|
|
seriesIndex: i
|
|
//pointIndex: d.point
|
|
});
|
|
})
|
|
.on('click', function(d,i) {
|
|
d3.select(this).classed('hover', false);
|
|
dispatch.areaClick({
|
|
point: d,
|
|
series: d.key,
|
|
//pos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
|
|
pos: [d3.event.pageX, d3.event.pageY],
|
|
seriesIndex: i
|
|
//pointIndex: d.point
|
|
});
|
|
})
|
|
d3.transition(path.exit())
|
|
.attr('d', function(d,i) { return zeroArea(d.values,i) }) // TODO: fix this so transition is still fluid
|
|
.remove();
|
|
path
|
|
.style('fill', function(d,i){ return d.color || color[i % color.length] })
|
|
.style('stroke', function(d,i){ return d.color || color[i % color.length] });
|
|
d3.transition(path)
|
|
.attr('d', function(d,i) { return area(d.values,i) })
|
|
|
|
|
|
scatter.dispatch.on('elementClick.area', function(e) {
|
|
dispatch.areaClick(e);
|
|
})
|
|
scatter.dispatch.on('elementMouseover.area', function(e) {
|
|
g.select('.area-' + e.seriesIndex).classed('hover', true);
|
|
});
|
|
scatter.dispatch.on('elementMouseout.area', function(e) {
|
|
g.select('.area-' + e.seriesIndex).classed('hover', false);
|
|
});
|
|
|
|
});
|
|
|
|
|
|
return chart;
|
|
}
|
|
|
|
|
|
chart.dispatch = dispatch;
|
|
chart.scatter = scatter;
|
|
|
|
d3.rebind(chart, scatter, 'x', 'interactive', 'size', 'xScale', 'yScale', 'zScale', 'xDomain', 'yDomain', 'sizeDomain', 'forceX', 'forceY', 'forceSize', 'clipVoronoi', 'clipRadius');
|
|
|
|
/*
|
|
chart.x = function(_) {
|
|
if (!arguments.length) return getX;
|
|
getX = d3.functor(_);
|
|
scatter.x(_);
|
|
return chart;
|
|
};
|
|
*/
|
|
|
|
chart.y = function(_) {
|
|
if (!arguments.length) return getY;
|
|
getY = d3.functor(_);
|
|
//scatter.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.clipEdge = function(_) {
|
|
if (!arguments.length) return clipEdge;
|
|
clipEdge = _;
|
|
return chart;
|
|
};
|
|
|
|
chart.color = function(_) {
|
|
if (!arguments.length) return color;
|
|
color = _;
|
|
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':
|
|
offset = 'zero';
|
|
order = 'default';
|
|
break;
|
|
case 'stream':
|
|
offset = 'wiggle';
|
|
order = 'inside-out';
|
|
break;
|
|
case 'expand':
|
|
offset = 'expand';
|
|
order = 'default';
|
|
break;
|
|
}
|
|
|
|
return chart;
|
|
};
|
|
|
|
|
|
|
|
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);
|
|
});
|
|
|
|
|
|
return chart;
|
|
}
|