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ClusteredBars.js
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ClusteredBars.js
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if(!dojo._hasResource["dojox.charting.plot2d.ClusteredBars"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.charting.plot2d.ClusteredBars"] = true;
dojo.provide("dojox.charting.plot2d.ClusteredBars");
dojo.require("dojox.charting.plot2d.common");
dojo.require("dojox.charting.plot2d.Bars");
dojo.require("dojox.lang.functional");
(function(){
var df = dojox.lang.functional, dc = dojox.charting.plot2d.common,
purgeGroup = df.lambda("item.purgeGroup()");
dojo.declare("dojox.charting.plot2d.ClusteredBars", dojox.charting.plot2d.Bars, {
render: function(dim, offsets){
if(this.dirty){
dojo.forEach(this.series, purgeGroup);
this.cleanGroup();
var s = this.group;
df.forEachReversed(this.series, function(item){ item.cleanGroup(s); });
}
var t = this.chart.theme, color, stroke, fill, f,
gap = this.opt.gap < this._vScaler.scale / 3 ? this.opt.gap : 0,
thickness = (this._vScaler.scale - 2 * gap) / this.series.length;
for(var i = this.series.length - 1; i >= 0; --i){
var run = this.series[i];
if(!this.dirty && !run.dirty){ continue; }
run.cleanGroup();
var s = run.group;
if(!run.fill || !run.stroke){
// need autogenerated color
color = run.dyn.color = new dojo.Color(t.next("color"));
}
stroke = run.stroke ? run.stroke : dc.augmentStroke(t.series.stroke, color);
fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color);
var baseline = Math.max(0, this._hScaler.bounds.lower),
xoff = offsets.l + this._hScaler.scale * (baseline - this._hScaler.bounds.lower),
yoff = dim.height - offsets.b - this._vScaler.scale * (1.5 - this._vScaler.bounds.lower) +
gap + thickness * (this.series.length - i - 1);
for(var j = 0; j < run.data.length; ++j){
var v = run.data[j],
width = this._hScaler.scale * (v - baseline),
height = thickness, w = Math.abs(width);
if(w >= 1 && height >= 1){
var shape = s.createRect({
x: xoff + (width < 0 ? width : 0),
y: yoff - this._vScaler.scale * j,
width: w, height: height
}).setFill(fill).setStroke(stroke);
run.dyn.fill = shape.getFill();
run.dyn.stroke = shape.getStroke();
}
}
run.dirty = false;
}
this.dirty = false;
return this;
}
});
})();
}

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