| 2150 |
mathias |
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if(!dojo._hasResource["dojox.charting.plot2d.Default"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.charting.plot2d.Default"] = true;
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dojo.provide("dojox.charting.plot2d.Default");
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dojo.require("dojox.charting.plot2d.common");
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dojo.require("dojox.charting.plot2d.Base");
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dojo.require("dojox.lang.utils");
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dojo.require("dojox.lang.functional");
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(function(){
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var df = dojox.lang.functional, du = dojox.lang.utils,
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dc = dojox.charting.plot2d.common,
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purgeGroup = df.lambda("item.purgeGroup()");
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dojo.declare("dojox.charting.plot2d.Default", dojox.charting.plot2d.Base, {
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defaultParams: {
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hAxis: "x", // use a horizontal axis named "x"
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vAxis: "y", // use a vertical axis named "y"
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lines: true, // draw lines
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areas: false, // draw areas
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markers: false, // draw markers
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shadows: 0 // draw shadows
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},
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optionalParams: {}, // no optional parameters
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constructor: function(chart, kwArgs){
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this.opt = dojo.clone(this.defaultParams);
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du.updateWithObject(this.opt, kwArgs);
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this.series = [];
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this.hAxis = this.opt.hAxis;
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this.vAxis = this.opt.vAxis;
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},
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calculateAxes: function(dim){
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this._calc(dim, dc.collectSimpleStats(this.series));
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return this;
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},
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render: function(dim, offsets){
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if(this.dirty){
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dojo.forEach(this.series, purgeGroup);
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this.cleanGroup();
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var s = this.group;
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df.forEachReversed(this.series, function(item){ item.cleanGroup(s); });
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}
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var t = this.chart.theme, stroke, outline, color, marker;
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for(var i = this.series.length - 1; i >= 0; --i){
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var run = this.series[i];
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if(!this.dirty && !run.dirty){ continue; }
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run.cleanGroup();
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if(!run.data.length){
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run.dirty = false;
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continue;
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}
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var s = run.group, lpoly;
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if(typeof run.data[0] == "number"){
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lpoly = dojo.map(run.data, function(v, i){
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return {
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x: this._hScaler.scale * (i + 1 - this._hScaler.bounds.lower) + offsets.l,
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y: dim.height - offsets.b - this._vScaler.scale * (v - this._vScaler.bounds.lower)
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};
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}, this);
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}else{
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lpoly = dojo.map(run.data, function(v, i){
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return {
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x: this._hScaler.scale * (v.x - this._hScaler.bounds.lower) + offsets.l,
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y: dim.height - offsets.b - this._vScaler.scale * (v.y - this._vScaler.bounds.lower)
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};
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}, this);
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}
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if(!run.fill || !run.stroke){
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// need autogenerated color
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color = run.dyn.color = new dojo.Color(t.next("color"));
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}
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if(this.opt.areas){
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var apoly = dojo.clone(lpoly);
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apoly.push({x: lpoly[lpoly.length - 1].x, y: dim.height - offsets.b});
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apoly.push({x: lpoly[0].x, y: dim.height - offsets.b});
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apoly.push(lpoly[0]);
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var fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color);
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run.dyn.fill = s.createPolyline(apoly).setFill(fill).getFill();
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}
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if(this.opt.lines || this.opt.markers){
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// need a stroke
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stroke = run.stroke ? dc.makeStroke(run.stroke) : dc.augmentStroke(t.series.stroke, color);
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if(run.outline || t.series.outline){
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outline = dc.makeStroke(run.outline ? run.outline : t.series.outline);
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outline.width = 2 * outline.width + stroke.width;
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}
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}
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if(this.opt.markers){
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// need a marker
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marker = run.dyn.marker = run.marker ? run.marker : t.next("marker");
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}
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if(this.opt.shadows && stroke){
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var sh = this.opt.shadows, shadowColor = new dojo.Color([0, 0, 0, 0.3]),
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spoly = dojo.map(lpoly, function(c){
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return {x: c.x + sh.dx, y: c.y + sh.dy};
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}),
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shadowStroke = dojo.clone(outline ? outline : stroke);
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shadowStroke.color = shadowColor;
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shadowStroke.width += sh.dw ? sh.dw : 0;
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if(this.opt.lines){
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s.createPolyline(spoly).setStroke(shadowStroke);
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}
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if(this.opt.markers){
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dojo.forEach(spoly, function(c){
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s.createPath("M" + c.x + " " + c.y + " " + marker).setStroke(shadowStroke).setFill(shadowColor);
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}, this);
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}
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}
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if(this.opt.lines){
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if(outline){
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run.dyn.outline = s.createPolyline(lpoly).setStroke(outline).getStroke();
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}
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run.dyn.stroke = s.createPolyline(lpoly).setStroke(stroke).getStroke();
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}
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if(this.opt.markers){
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dojo.forEach(lpoly, function(c){
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var path = "M" + c.x + " " + c.y + " " + marker;
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if(outline){
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s.createPath(path).setStroke(outline);
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}
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s.createPath(path).setStroke(stroke).setFill(stroke.color);
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}, this);
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}
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run.dirty = false;
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}
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this.dirty = false;
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return this;
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}
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});
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})();
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}
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