New file |
0,0 → 1,121 |
if(!dojo._hasResource["dojox.charting.plot2d.Stacked"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
dojo._hasResource["dojox.charting.plot2d.Stacked"] = true; |
dojo.provide("dojox.charting.plot2d.Stacked"); |
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dojo.require("dojox.charting.plot2d.common"); |
dojo.require("dojox.charting.plot2d.Default"); |
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dojo.require("dojox.lang.functional"); |
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(function(){ |
var df = dojox.lang.functional, dc = dojox.charting.plot2d.common, |
purgeGroup = df.lambda("item.purgeGroup()"); |
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dojo.declare("dojox.charting.plot2d.Stacked", dojox.charting.plot2d.Default, { |
calculateAxes: function(dim){ |
var stats = dc.collectStackedStats(this.series); |
this._maxRunLength = stats.hmax; |
this._calc(dim, stats); |
return this; |
}, |
render: function(dim, offsets){ |
// stack all values |
var acc = df.repeat(this._maxRunLength, "-> 0", 0); |
for(var i = 0; i < this.series.length; ++i){ |
var run = this.series[i]; |
for(var j = 0; j < run.data.length; ++j){ |
var v = run.data[j]; |
if(isNaN(v)){ v = 0; } |
acc[j] += v; |
} |
} |
// draw runs in backwards |
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, stroke, outline, color, marker; |
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, |
lpoly = dojo.map(acc, function(v, i){ |
return { |
x: this._hScaler.scale * (i + 1 - this._hScaler.bounds.lower) + offsets.l, |
y: dim.height - offsets.b - this._vScaler.scale * (v - this._vScaler.bounds.lower) |
}; |
}, this); |
if(!run.fill || !run.stroke){ |
// need autogenerated color |
color = new dojo.Color(t.next("color")); |
} |
if(this.opt.areas){ |
var apoly = dojo.clone(lpoly); |
apoly.push({x: lpoly[lpoly.length - 1].x, y: dim.height - offsets.b}); |
apoly.push({x: lpoly[0].x, y: dim.height - offsets.b}); |
apoly.push(lpoly[0]); |
var fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color); |
s.createPolyline(apoly).setFill(fill); |
} |
if(this.opt.lines || this.opt.markers){ |
// need a stroke |
stroke = run.stroke ? dc.makeStroke(run.stroke) : dc.augmentStroke(t.series.stroke, color); |
if(run.outline || t.series.outline){ |
outline = dc.makeStroke(run.outline ? run.outline : t.series.outline); |
outline.width = 2 * outline.width + stroke.width; |
} |
} |
if(this.opt.markers){ |
// need a marker |
marker = run.marker ? run.marker : t.next("marker"); |
} |
if(this.opt.shadows && stroke){ |
var sh = this.opt.shadows, shadowColor = new dojo.Color([0, 0, 0, 0.3]), |
spoly = dojo.map(lpoly, function(c){ |
return {x: c.x + sh.dx, y: c.y + sh.dy}; |
}), |
shadowStroke = dojo.clone(outline ? outline : stroke); |
shadowStroke.color = shadowColor; |
shadowStroke.width += sh.dw ? sh.dw : 0; |
if(this.opt.lines){ |
s.createPolyline(spoly).setStroke(shadowStroke); |
} |
if(this.opt.markers){ |
dojo.forEach(spoly, function(c){ |
s.createPath("M" + c.x + " " + c.y + " " + marker).setStroke(shadowStroke).setFill(shadowColor); |
}, this); |
} |
} |
if(this.opt.lines){ |
if(outline){ |
s.createPolyline(lpoly).setStroke(outline); |
} |
s.createPolyline(lpoly).setStroke(stroke); |
} |
if(this.opt.markers){ |
dojo.forEach(lpoly, function(c){ |
var path = "M" + c.x + " " + c.y + " " + marker; |
if(outline){ |
s.createPath(path).setStroke(outline); |
} |
s.createPath(path).setStroke(stroke).setFill(stroke.color); |
}, this); |
} |
run.dirty = false; |
// update the accumulator |
for(var j = 0; j < run.data.length; ++j){ |
var v = run.data[j]; |
if(isNaN(v)){ v = 0; } |
acc[j] -= v; |
} |
} |
this.dirty = false; |
return this; |
} |
}); |
})(); |
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} |