diff options
Diffstat (limited to 'includes/js/dojox/charting/plot2d/Stacked.js')
| -rw-r--r-- | includes/js/dojox/charting/plot2d/Stacked.js | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/includes/js/dojox/charting/plot2d/Stacked.js b/includes/js/dojox/charting/plot2d/Stacked.js new file mode 100644 index 0000000..0e26a75 --- /dev/null +++ b/includes/js/dojox/charting/plot2d/Stacked.js @@ -0,0 +1,160 @@ +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"); + +dojo.require("dojox.charting.plot2d.common"); +dojo.require("dojox.charting.plot2d.Default"); + +dojo.require("dojox.lang.functional"); +dojo.require("dojox.lang.functional.sequence"); +dojo.require("dojox.lang.functional.reversed"); + +(function(){ + var df = dojox.lang.functional, dc = dojox.charting.plot2d.common, + purgeGroup = df.lambda("item.purgeGroup()"); + + 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.forEachRev(this.series, function(item){ item.cleanGroup(s); }); + } + + // inner function for translating polylines to curves with tension + function curve(arr, tension){ + var p=dojo.map(arr, function(item, i){ + if(i==0){ return "M" + item.x + "," + item.y; } + var dx=item.x-arr[i-1].x, dy=arr[i-1].y; + return "C"+(item.x-(tension-1)*(dx/tension))+","+dy+" "+(item.x-(dx/tension))+","+item.y+" "+item.x+","+item.y; + }); + return p.join(" "); + } + + 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")); + } + + var lpath=""; + if(this.opt.tension){ + lpath=curve(lpoly, this.opt.tension); + } + + if(this.opt.areas){ + var apoly = dojo.clone(lpoly); + var fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color); + if(this.opt.tension){ + var p=curve(apoly, this.opt.tension); + p += " L" + lpoly[lpoly.length-1].x + "," + (dim.height - offsets.b) + " " + + "L" + lpoly[0].x + "," + (dim.height - offsets.b) + " " + + "L" + lpoly[0].x + "," + lpoly[0].y; + s.createPath(p).setFill(fill); + } else { + 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]); + 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){ + if(this.opt.tension){ + s.createPath(curve(spoly, this.opt.tension)).setStroke(shadowStroke); + } else { + 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){ + if(this.opt.tension){ + s.createPath(lpath).setStroke(outline); + } else { + s.createPolyline(lpoly).setStroke(outline); + } + } + if(this.opt.tension){ + s.createPath(lpath).setStroke(stroke); + } else { + 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; + } + }); +})(); + +} |