Subversion Repositories Applications.papyrus

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");

(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.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;
                        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;
                }
        });
})();

}