--- /dev/null
+if(!dojo._hasResource["dojox.charting.plot2d.Default"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.charting.plot2d.Default"] = true;
+dojo.provide("dojox.charting.plot2d.Default");
+
+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.Default", dojox.charting.plot2d.Base, {
+ defaultParams: {
+ hAxis: "x", // use a horizontal axis named "x"
+ vAxis: "y", // use a vertical axis named "y"
+ lines: true, // draw lines
+ areas: false, // draw areas
+ markers: false, // draw markers
+ shadows: 0, // draw shadows
+ tension: 0 // draw curved lines (tension>0)
+ },
+ 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){
+ this._calc(dim, dc.collectSimpleStats(this.series));
+ return this;
+ },
+ render: function(dim, offsets){
+ 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, 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();
+ if(!run.data.length){
+ run.dirty = false;
+ continue;
+ }
+
+ // 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 s = run.group, lpoly;
+ if(typeof run.data[0] == "number"){
+ lpoly = dojo.map(run.data, 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);
+ }else{
+ lpoly = dojo.map(run.data, function(v, i){
+ return {
+ x: this._hScaler.scale * (v.x - this._hScaler.bounds.lower) + offsets.l,
+ y: dim.height - offsets.b - this._vScaler.scale * (v.y - this._vScaler.bounds.lower)
+ };
+ }, this);
+ }
+ if(!run.fill || !run.stroke){
+ // need autogenerated color
+ color = run.dyn.color = new dojo.Color(t.next("color"));
+ }
+
+ var lpath="";
+ if(this.opt.tension){
+ var lpath=curve(lpoly, this.opt.tension);
+ }
+
+ if(this.opt.areas){
+ var fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color);
+ var apoly = dojo.clone(lpoly);
+ if(this.opt.tension){
+ var apath="L" + (apoly[apoly.length-1].x) + "," + (dim.height-offsets.b) + " "
+ + "L"+apoly[0].x+","+(dim.height-offsets.b)+" "
+ + "L"+apoly[0].x+","+apoly[0].y;
+ run.dyn.fill = s.createPath(lpath+" "+apath).setFill(fill).getFill();
+ } 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]);
+ run.dyn.fill = s.createPolyline(apoly).setFill(fill).getFill();
+ }
+ }
+ 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.dyn.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){
+ run.dyn.outline = s.createPath(lpath).setStroke(outline).getStroke();
+ } else {
+ run.dyn.outline = s.createPolyline(lpoly).setStroke(outline).getStroke();
+ }
+ }
+ if(this.opt.tension){
+ run.dyn.stroke = s.createPath(lpath).setStroke(stroke).getStroke();
+ } else {
+ run.dyn.stroke = s.createPolyline(lpoly).setStroke(stroke).getStroke();
+ }
+ }
+ 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;
+ }
+ this.dirty = false;
+ return this;
+ }
+ });
+})();
+
+}
projects / eow / blobdiff