109 lines
3.3 KiB
JavaScript
109 lines
3.3 KiB
JavaScript
|
dojo.provide("dojox.charting.plot2d.Columns");
|
||
|
|
|
||
|
|
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.Columns", 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: {
|
||
|
|
minBarSize: 1, // minimal bar size in pixels
|
||
|
|
maxBarSize: 1 // maximal bar size in pixels
|
||
|
|
},
|
||
|
|
|
||
|
|
constructor: function(chart, kwArgs){
|
||
|
|
this.opt = dojo.clone(this.defaultParams);
|
||
|
|
du.updateWithObject(this.opt, kwArgs);
|
||
|
|
du.updateWithPattern(this.opt, kwArgs, this.optionalParams);
|
||
|
|
this.series = [];
|
||
|
|
this.hAxis = this.opt.hAxis;
|
||
|
|
this.vAxis = this.opt.vAxis;
|
||
|
|
},
|
||
|
|
|
||
|
|
calculateAxes: function(dim){
|
||
|
|
var stats = dc.collectSimpleStats(this.series);
|
||
|
|
stats.hmin -= 0.5;
|
||
|
|
stats.hmax += 0.5;
|
||
|
|
this._calc(dim, stats);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
render: function(dim, offsets){
|
||
|
|
this.dirty = this.isDirty();
|
||
|
|
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, width,
|
||
|
|
ht = this._hScaler.scaler.getTransformerFromModel(this._hScaler),
|
||
|
|
vt = this._vScaler.scaler.getTransformerFromModel(this._vScaler),
|
||
|
|
baseline = Math.max(0, this._vScaler.bounds.lower),
|
||
|
|
baselineHeight = vt(baseline),
|
||
|
|
events = this.events();
|
||
|
|
f = dc.calculateBarSize(this._hScaler.bounds.scale, this.opt);
|
||
|
|
gap = f.gap;
|
||
|
|
width = f.size;
|
||
|
|
this.resetEvents();
|
||
|
|
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);
|
||
|
|
for(var j = 0; j < run.data.length; ++j){
|
||
|
|
var v = run.data[j],
|
||
|
|
vv = vt(v),
|
||
|
|
height = vv - baselineHeight,
|
||
|
|
h = Math.abs(height);
|
||
|
|
if(width >= 1 && h >= 1){
|
||
|
|
var rect = {
|
||
|
|
x: offsets.l + ht(j + 0.5) + gap,
|
||
|
|
y: dim.height - offsets.b - (v > baseline ? vv : baselineHeight),
|
||
|
|
width: width, height: h
|
||
|
|
},
|
||
|
|
shape = s.createRect(rect).setFill(fill).setStroke(stroke);
|
||
|
|
run.dyn.fill = shape.getFill();
|
||
|
|
run.dyn.stroke = shape.getStroke();
|
||
|
|
if(events){
|
||
|
|
var o = {
|
||
|
|
element: "column",
|
||
|
|
index: j,
|
||
|
|
run: run,
|
||
|
|
plot: this,
|
||
|
|
hAxis: this.hAxis || null,
|
||
|
|
vAxis: this.vAxis || null,
|
||
|
|
shape: shape,
|
||
|
|
x: j + 0.5,
|
||
|
|
y: v
|
||
|
|
};
|
||
|
|
this._connectEvents(shape, o);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
run.dirty = false;
|
||
|
|
}
|
||
|
|
this.dirty = false;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
})();
|