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Subchart bar refactoring, allow negative values

pull/30/head
mikhail samoilov 11 years ago
parent
0988b8deb3
commit
6d1bacd944
3 changed files with 40 additions and 45 deletions
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  1. 1
      .gitignore
  2. 42
      c3.js
  3. 20
      htdocs/samples/chart_bar_stacked.html

1
.gitignore vendored
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@ -1,2 +1,3 @@
# npm modules
node_modules
bower_components

42
c3.js
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@ -1938,18 +1938,16 @@
// bars
var barOnMain = function (isSub) {
var drawBar = function (isSub) {
var barW = getBarW(xAxis, barTargetsNum, !!isSub),
barX = getBarX(barW, barTargetsNum, barIndices),
barY = getBarY(!!isSub),
barOffset = getBarOffset(barIndices);
x = getBarX(barW, barTargetsNum, barIndices, !!isSub),
y = getBarY(!!isSub),
barOffset = getBarOffset(barIndices, !!isSub),
yScale = isSub ? getSubYScale : getYScale;
return function (d, i) {
var y = barY;
var x = barX;
var y0 = getYScale(d.id)(0),
offset = barOffset(d, i) || y0; // offset is for stacked bar chart, by default
var y0 = yScale(d.id)(0),
offset = barOffset(d, i) || y0; // offset is for stacked bar chart
// 4 points that make a bar
var points = [
@ -1977,16 +1975,14 @@
.data(barData);
mainBar.enter().append('path')
.attr('d', barOnMain(false))
.attr('d', drawBar(false))
.style("stroke", 'none')
.style("fill", function (d) { return color(d.id); })
.attr("class", classBar);
mainBar
.style("opacity", 0)
.transition().duration(duration)
.attr('d', barOnMain(false))
.style('opacity', 1);
.attr('d', drawBar(false));
mainBar.exit().transition().duration(duration)
.style('opacity', 0)
@ -2058,21 +2054,19 @@
brush.extent(x.orgDomain()).update();
}
// bars
barW = getBarW(subXAxis, barTargetsNum, true);
barH = getBarH(height2, true);
barX = getBarX(barW, barTargetsNum, barIndices, true);
barY = getBarY(barH, barIndices, false, true);
contextBar = context.selectAll('.-bars').selectAll('.-bar')
.data(barData);
contextBar.transition().duration(duration)
.attr("x", barX).attr("y", barY).attr("width", barW).attr("height", barH);
contextBar.enter().append('rect')
.attr("class", classBar)
.attr("x", barX).attr("y", barY).attr("width", barW).attr("height", barH)
contextBar.enter().append('path')
.attr('d', drawBar(true))
.style("stroke", 'none')
.style("fill", function (d) { return color(d.id); })
.attr("class", classBar);
contextBar
.style("opacity", 0)
.transition()
.transition().duration(duration)
.attr('d', drawBar(true))
.style('opacity', 1);
contextBar.exit().transition()
contextBar.exit().transition().duration(duration)
.style('opacity', 0)
.remove();
// lines

20
htdocs/samples/chart_bar_stacked.html
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@ -1,18 +1,18 @@
<html>
<head>
<head>
<link href="/css/c3.css" rel="stylesheet" type="text/css">
</head>
<body>
<div id="chart"></div>
</head>
<body>
<div id="chart"></div>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script src="/js/c3.min.js"></script>
<script>
<script src="/js/c3.js"></script>
<script>
var chart = c3.generate({
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 130, 100, 140, 200, 150, 50]
['data1', 30, 200, 200, 400, 150, 250],
['data2', 130, -100, 100, 200, 150, 50]
],
types: {
data1: 'bar',
@ -28,6 +28,6 @@
}
}
});
</script>
</body>
</script>
</body>
</html>

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