197 lines
6.3 KiB
JavaScript
197 lines
6.3 KiB
JavaScript
|
//>>built
|
||
|
|
define("dojox/charting/plot2d/Bars", ["dojo/_base/kernel", "dojo/_base/lang", "dojo/_base/array", "dojo/_base/declare", "./Base", "./common",
|
||
|
|
"dojox/gfx/fx", "dojox/lang/utils", "dojox/lang/functional", "dojox/lang/functional/reversed"],
|
||
|
|
function(dojo, lang, arr, declare, Base, dc, fx, du, df, dfr){
|
||
|
|
|
||
|
|
/*=====
|
||
|
|
dojo.declare("dojox.charting.plot2d.__BarCtorArgs", dojox.charting.plot2d.__DefaultCtorArgs, {
|
||
|
|
// summary:
|
||
|
|
// Additional keyword arguments for bar charts.
|
||
|
|
|
||
|
|
// minBarSize: Number?
|
||
|
|
// The minimum size for a bar in pixels. Default is 1.
|
||
|
|
minBarSize: 1,
|
||
|
|
|
||
|
|
// maxBarSize: Number?
|
||
|
|
// The maximum size for a bar in pixels. Default is 1.
|
||
|
|
maxBarSize: 1,
|
||
|
|
|
||
|
|
// enableCache: Boolean?
|
||
|
|
// Whether the bars rect are cached from one rendering to another. This improves the rendering performance of
|
||
|
|
// successive rendering but penalize the first rendering. Default false.
|
||
|
|
enableCache: false
|
||
|
|
});
|
||
|
|
var Base = dojox.charting.plot2d.Base;
|
||
|
|
=====*/
|
||
|
|
var purgeGroup = dfr.lambda("item.purgeGroup()");
|
||
|
|
|
||
|
|
return declare("dojox.charting.plot2d.Bars", Base, {
|
||
|
|
// summary:
|
||
|
|
// The plot object representing a bar chart (horizontal bars).
|
||
|
|
defaultParams: {
|
||
|
|
hAxis: "x", // use a horizontal axis named "x"
|
||
|
|
vAxis: "y", // use a vertical axis named "y"
|
||
|
|
gap: 0, // gap between columns in pixels
|
||
|
|
animate: null, // animate bars into place
|
||
|
|
enableCache: false
|
||
|
|
},
|
||
|
|
optionalParams: {
|
||
|
|
minBarSize: 1, // minimal bar width in pixels
|
||
|
|
maxBarSize: 1, // maximal bar width in pixels
|
||
|
|
// theme component
|
||
|
|
stroke: {},
|
||
|
|
outline: {},
|
||
|
|
shadow: {},
|
||
|
|
fill: {},
|
||
|
|
font: "",
|
||
|
|
fontColor: ""
|
||
|
|
},
|
||
|
|
|
||
|
|
constructor: function(chart, kwArgs){
|
||
|
|
// summary:
|
||
|
|
// The constructor for a bar chart.
|
||
|
|
// chart: dojox.charting.Chart
|
||
|
|
// The chart this plot belongs to.
|
||
|
|
// kwArgs: dojox.charting.plot2d.__BarCtorArgs?
|
||
|
|
// An optional keyword arguments object to help define the plot.
|
||
|
|
this.opt = lang.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;
|
||
|
|
this.animate = this.opt.animate;
|
||
|
|
},
|
||
|
|
|
||
|
|
getSeriesStats: function(){
|
||
|
|
// summary:
|
||
|
|
// Calculate the min/max on all attached series in both directions.
|
||
|
|
// returns: Object
|
||
|
|
// {hmin, hmax, vmin, vmax} min/max in both directions.
|
||
|
|
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;
|
||
|
|
return stats;
|
||
|
|
},
|
||
|
|
|
||
|
|
createRect: function(run, creator, params){
|
||
|
|
var rect;
|
||
|
|
if(this.opt.enableCache && run._rectFreePool.length > 0){
|
||
|
|
rect = run._rectFreePool.pop();
|
||
|
|
rect.setShape(params);
|
||
|
|
// was cleared, add it back
|
||
|
|
creator.add(rect);
|
||
|
|
}else{
|
||
|
|
rect = creator.createRect(params);
|
||
|
|
}
|
||
|
|
if(this.opt.enableCache){
|
||
|
|
run._rectUsePool.push(rect);
|
||
|
|
}
|
||
|
|
return rect;
|
||
|
|
},
|
||
|
|
|
||
|
|
render: function(dim, offsets){
|
||
|
|
// summary:
|
||
|
|
// Run the calculations for any axes for this plot.
|
||
|
|
// dim: Object
|
||
|
|
// An object in the form of { width, height }
|
||
|
|
// offsets: Object
|
||
|
|
// An object of the form { l, r, t, b}.
|
||
|
|
// returns: dojox.charting.plot2d.Bars
|
||
|
|
// A reference to this plot for functional chaining.
|
||
|
|
if(this.zoom && !this.isDataDirty()){
|
||
|
|
return this.performZoom(dim, offsets);
|
||
|
|
}
|
||
|
|
this.dirty = this.isDirty();
|
||
|
|
this.resetEvents();
|
||
|
|
if(this.dirty){
|
||
|
|
arr.forEach(this.series, purgeGroup);
|
||
|
|
this._eventSeries = {};
|
||
|
|
this.cleanGroup();
|
||
|
|
var s = this.group;
|
||
|
|
df.forEachRev(this.series, function(item){ item.cleanGroup(s); });
|
||
|
|
}
|
||
|
|
var t = this.chart.theme, f, gap, height,
|
||
|
|
ht = this._hScaler.scaler.getTransformerFromModel(this._hScaler),
|
||
|
|
vt = this._vScaler.scaler.getTransformerFromModel(this._vScaler),
|
||
|
|
baseline = Math.max(0, this._hScaler.bounds.lower),
|
||
|
|
baselineWidth = ht(baseline),
|
||
|
|
events = this.events();
|
||
|
|
f = dc.calculateBarSize(this._vScaler.bounds.scale, this.opt);
|
||
|
|
gap = f.gap;
|
||
|
|
height = f.size;
|
||
|
|
for(var i = this.series.length - 1; i >= 0; --i){
|
||
|
|
var run = this.series[i];
|
||
|
|
if(!this.dirty && !run.dirty){
|
||
|
|
t.skip();
|
||
|
|
this._reconnectEvents(run.name);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
run.cleanGroup();
|
||
|
|
if(this.opt.enableCache){
|
||
|
|
run._rectFreePool = (run._rectFreePool?run._rectFreePool:[]).concat(run._rectUsePool?run._rectUsePool:[]);
|
||
|
|
run._rectUsePool = [];
|
||
|
|
}
|
||
|
|
var theme = t.next("bar", [this.opt, run]), s = run.group,
|
||
|
|
eventSeries = new Array(run.data.length);
|
||
|
|
for(var j = 0; j < run.data.length; ++j){
|
||
|
|
var value = run.data[j];
|
||
|
|
if(value !== null){
|
||
|
|
var v = typeof value == "number" ? value : value.y,
|
||
|
|
hv = ht(v),
|
||
|
|
width = hv - baselineWidth,
|
||
|
|
w = Math.abs(width),
|
||
|
|
finalTheme = typeof value != "number" ?
|
||
|
|
t.addMixin(theme, "bar", value, true) :
|
||
|
|
t.post(theme, "bar");
|
||
|
|
if(w >= 0 && height >= 1){
|
||
|
|
var rect = {
|
||
|
|
x: offsets.l + (v < baseline ? hv : baselineWidth),
|
||
|
|
y: dim.height - offsets.b - vt(j + 1.5) + gap,
|
||
|
|
width: w, height: height
|
||
|
|
};
|
||
|
|
var specialFill = this._plotFill(finalTheme.series.fill, dim, offsets);
|
||
|
|
specialFill = this._shapeFill(specialFill, rect);
|
||
|
|
var shape = this.createRect(run, s, rect).setFill(specialFill).setStroke(finalTheme.series.stroke);
|
||
|
|
run.dyn.fill = shape.getFill();
|
||
|
|
run.dyn.stroke = shape.getStroke();
|
||
|
|
if(events){
|
||
|
|
var o = {
|
||
|
|
element: "bar",
|
||
|
|
index: j,
|
||
|
|
run: run,
|
||
|
|
shape: shape,
|
||
|
|
x: v,
|
||
|
|
y: j + 1.5
|
||
|
|
};
|
||
|
|
this._connectEvents(o);
|
||
|
|
eventSeries[j] = o;
|
||
|
|
}
|
||
|
|
if(this.animate){
|
||
|
|
this._animateBar(shape, offsets.l + baselineWidth, -w);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._eventSeries[run.name] = eventSeries;
|
||
|
|
run.dirty = false;
|
||
|
|
}
|
||
|
|
this.dirty = false;
|
||
|
|
return this; // dojox.charting.plot2d.Bars
|
||
|
|
},
|
||
|
|
_animateBar: function(shape, hoffset, hsize){
|
||
|
|
fx.animateTransform(lang.delegate({
|
||
|
|
shape: shape,
|
||
|
|
duration: 1200,
|
||
|
|
transform: [
|
||
|
|
{name: "translate", start: [hoffset - (hoffset/hsize), 0], end: [0, 0]},
|
||
|
|
{name: "scale", start: [1/hsize, 1], end: [1, 1]},
|
||
|
|
{name: "original"}
|
||
|
|
]
|
||
|
|
}, this.animate)).play();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|