90 lines
3 KiB
JavaScript
90 lines
3 KiB
JavaScript
|
if(!dojo._hasResource["dojox.charting.plot2d.Bars"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
|
||
|
|
dojo._hasResource["dojox.charting.plot2d.Bars"] = true;
|
||
|
|
dojo.provide("dojox.charting.plot2d.Bars");
|
||
|
|
|
||
|
|
dojo.require("dojox.charting.plot2d.common");
|
||
|
|
dojo.require("dojox.charting.plot2d.Base");
|
||
|
|
|
||
|
|
dojo.require("dojox.lang.utils");
|
||
|
|
dojo.require("dojox.lang.functional");
|
||
|
|
dojo.require("dojox.lang.functional.reversed");
|
||
|
|
|
||
|
|
(function(){
|
||
|
|
var df = dojox.lang.functional, du = dojox.lang.utils,
|
||
|
|
dc = dojox.charting.plot2d.common,
|
||
|
|
purgeGroup = df.lambda("item.purgeGroup()");
|
||
|
|
|
||
|
|
dojo.declare("dojox.charting.plot2d.Bars", dojox.charting.plot2d.Base, {
|
||
|
|
defaultParams: {
|
||
|
|
hAxis: "x", // use a horizontal axis named "x"
|
||
|
|
vAxis: "y", // use a vertical axis named "y"
|
||
|
|
gap: 0, // gap between columns in pixels
|
||
|
|
shadows: null // draw shadows
|
||
|
|
},
|
||
|
|
optionalParams: {}, // no optional parameters
|
||
|
|
|
||
|
|
constructor: function(chart, kwArgs){
|
||
|
|
this.opt = dojo.clone(this.defaultParams);
|
||
|
|
du.updateWithObject(this.opt, kwArgs);
|
||
|
|
this.series = [];
|
||
|
|
this.hAxis = this.opt.hAxis;
|
||
|
|
this.vAxis = this.opt.vAxis;
|
||
|
|
},
|
||
|
|
|
||
|
|
calculateAxes: function(dim){
|
||
|
|
var stats = dc.collectSimpleStats(this.series), t;
|
||
|
|
stats.hmin -= 0.5;
|
||
|
|
stats.hmax += 0.5;
|
||
|
|
t = stats.hmin, stats.hmin = stats.vmin, stats.vmin = t;
|
||
|
|
t = stats.hmax, stats.hmax = stats.vmax, stats.vmax = t;
|
||
|
|
this._calc(dim, stats);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
render: function(dim, offsets){
|
||
|
|
if(this.dirty){
|
||
|
|
dojo.forEach(this.series, purgeGroup);
|
||
|
|
this.cleanGroup();
|
||
|
|
var s = this.group;
|
||
|
|
df.forEachRev(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;
|
||
|
|
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;
|
||
|
|
for(var j = 0; j < run.data.length; ++j){
|
||
|
|
var v = run.data[j],
|
||
|
|
width = this._hScaler.scale * (v - baseline),
|
||
|
|
height = this._vScaler.scale - 2 * gap,
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
})();
|
||
|
|
|
||
|
|
}
|