]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojox/charting/Chart2D.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojox / charting / Chart2D.js
diff --git a/static/dojo-release-1.1.1/dojox/charting/Chart2D.js b/static/dojo-release-1.1.1/dojox/charting/Chart2D.js
new file mode 100644 (file)
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+if(!dojo._hasResource["dojox.charting.Chart2D"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.charting.Chart2D"] = true;
+dojo.provide("dojox.charting.Chart2D");
+
+dojo.require("dojox.gfx");
+dojo.require("dojox.lang.functional");
+dojo.require("dojox.lang.functional.fold");
+dojo.require("dojox.lang.functional.reversed");
+
+dojo.require("dojox.charting.Theme");
+dojo.require("dojox.charting.Series");
+
+dojo.require("dojox.charting.axis2d.Default");
+
+dojo.require("dojox.charting.plot2d.Default");
+dojo.require("dojox.charting.plot2d.Lines");
+dojo.require("dojox.charting.plot2d.Areas");
+dojo.require("dojox.charting.plot2d.Markers");
+dojo.require("dojox.charting.plot2d.MarkersOnly");
+dojo.require("dojox.charting.plot2d.Scatter");
+dojo.require("dojox.charting.plot2d.Stacked");
+dojo.require("dojox.charting.plot2d.StackedLines");
+dojo.require("dojox.charting.plot2d.StackedAreas");
+dojo.require("dojox.charting.plot2d.Columns");
+dojo.require("dojox.charting.plot2d.StackedColumns");
+dojo.require("dojox.charting.plot2d.ClusteredColumns");
+dojo.require("dojox.charting.plot2d.Bars");
+dojo.require("dojox.charting.plot2d.StackedBars");
+dojo.require("dojox.charting.plot2d.ClusteredBars");
+dojo.require("dojox.charting.plot2d.Grid");
+dojo.require("dojox.charting.plot2d.Pie");
+
+(function(){
+       var df = dojox.lang.functional, dc = dojox.charting, 
+               clear = df.lambda("item.clear()"), 
+               purge = df.lambda("item.purgeGroup()"),
+               destroy = df.lambda("item.destroy()"),
+               makeClean = df.lambda("item.dirty = false"),
+               makeDirty = df.lambda("item.dirty = true");
+               
+       dojo.declare("dojox.charting.Chart2D", null, {
+               constructor: function(node, kwArgs){
+                       // initialize parameters
+                       if(!kwArgs){ kwArgs = {}; }
+                       this.margins = kwArgs.margins ? kwArgs.margins : {l: 10, t: 10, r: 10, b: 10};
+                       this.stroke  = kwArgs.stroke;
+                       this.fill    = kwArgs.fill;
+                       
+                       // default initialization
+                       this.theme = null;
+                       this.axes = {};         // map of axes
+                       this.stack = [];        // stack of plotters
+                       this.plots = {};        // map of plotter indices
+                       this.series = [];       // stack of data runs
+                       this.runs = {};         // map of data run indices
+                       this.dirty = true;
+                       this.coords = null;
+                       
+                       // create a surface
+                       this.node = dojo.byId(node);
+                       var box = dojo.marginBox(node);
+                       this.surface = dojox.gfx.createSurface(this.node, box.w, box.h);
+               },
+               destroy: function(){
+                       dojo.forEach(this.series, destroy);
+                       dojo.forEach(this.stack,  destroy);
+                       df.forIn(this.axes, destroy);
+               },
+               getCoords: function(){
+                       if(!this.coords){
+                               this.coords = dojo.coords(this.node, true);
+                       }
+                       return this.coords;
+               },
+               setTheme: function(theme){
+                       this.theme = theme;
+                       this.dirty = true;
+                       return this;
+               },
+               addAxis: function(name, kwArgs){
+                       var axis;
+                       if(!kwArgs || !("type" in kwArgs)){
+                               axis = new dc.axis2d.Default(this, kwArgs);
+                       }else{
+                               axis = typeof kwArgs.type == "string" ?
+                                       new dc.axis2d[kwArgs.type](this, kwArgs) :
+                                       new kwArgs.type(this, kwArgs);
+                       }
+                       axis.name = name;
+                       axis.dirty = true;
+                       if(name in this.axes){
+                               this.axes[name].destroy();
+                       }
+                       this.axes[name] = axis;
+                       this.dirty = true;
+                       return this;
+               },
+               addPlot: function(name, kwArgs){
+                       var plot;
+                       if(!kwArgs || !("type" in kwArgs)){
+                               plot = new dc.plot2d.Default(this, kwArgs);
+                       }else{
+                               plot = typeof kwArgs.type == "string" ?
+                                       new dc.plot2d[kwArgs.type](this, kwArgs) :
+                                       new kwArgs.type(this, kwArgs);
+                       }
+                       plot.name = name;
+                       plot.dirty = true;
+                       if(name in this.plots){
+                               this.stack[this.plots[name]].destroy();
+                               this.stack[this.plots[name]] = plot;
+                       }else{
+                               this.plots[name] = this.stack.length;
+                               this.stack.push(plot);
+                       }
+                       this.dirty = true;
+                       return this;
+               },
+               addSeries: function(name, data, kwArgs){
+                       var run = new dc.Series(this, data, kwArgs);
+                       if(name in this.runs){
+                               this.series[this.runs[name]].destroy();
+                               this.series[this.runs[name]] = run;
+                       }else{
+                               this.runs[name] = this.series.length;
+                               this.series.push(run);
+                       }
+                       this.dirty = true;
+                       // fix min/max
+                       if(!("ymin" in run) && "min" in run){ run.ymin = run.min; }
+                       if(!("ymax" in run) && "max" in run){ run.ymax = run.max; }
+                       return this;
+               },
+               updateSeries: function(name, data){
+                       if(name in this.runs){
+                               var run = this.series[this.runs[name]],
+                                       plot = this.stack[this.plots[run.plot]], axis;
+                               run.data = data;
+                               run.dirty = true;
+                               // check to see if axes and plot should be updated
+                               if(plot.hAxis){
+                                       axis = this.axes[plot.hAxis];
+                                       if(axis.dependOnData()){
+                                               axis.dirty = true;
+                                               // find all plots and mark them dirty
+                                               dojo.forEach(this.stack, function(p){
+                                                       if(p.hAxis && p.hAxis == plot.hAxis){
+                                                               p.dirty = true;
+                                                       }
+                                               });
+                                       }
+                               }else{
+                                       plot.dirty = true;
+                               }
+                               if(plot.vAxis){
+                                       axis = this.axes[plot.vAxis];
+                                       if(axis.dependOnData()){
+                                               axis.dirty = true;
+                                               // find all plots and mark them dirty
+                                               dojo.forEach(this.stack, function(p){
+                                                       if(p.vAxis && p.vAxis == plot.vAxis){
+                                                               p.dirty = true;
+                                                       }
+                                               });
+                                       }
+                               }else{
+                                       plot.dirty = true;
+                               }
+                       }
+                       return this;
+               },
+               resize: function(width, height){
+                       var box;
+                       switch(arguments.length){
+                               case 0:
+                                       box = dojo.marginBox(this.node);
+                                       break;
+                               case 1: 
+                                       box = width;
+                                       break;
+                               default:
+                                       box = {w: width, h: height};
+                                       break;
+                       }
+                       dojo.marginBox(this.node, box);
+                       this.surface.setDimensions(box.w, box.h);
+                       this.dirty = true;
+                       this.coords = null;
+                       return this.render();
+               },
+               render: function(){
+                       if(this.dirty){
+                               return this.fullRender();
+                       }
+                       
+                       // calculate geometry
+                       dojo.forEach(this.stack, function(plot){
+                               if(plot.dirty || (plot.hAxis && this.axes[plot.hAxis].dirty) ||
+                                               (plot.vAxis && this.axes[plot.vAxis].dirty)){
+                                       plot.calculateAxes(this.plotArea);
+                               }
+                       }, this);
+
+                       // go over the stack backwards
+                       df.forEachRev(this.stack, function(plot){ plot.render(this.dim, this.offsets); }, this);
+                       
+                       // go over axes
+                       df.forIn(this.axes, function(axis){ axis.render(this.dim, this.offsets); }, this);
+
+                       this._makeClean();
+
+                       // BEGIN FOR HTML CANVAS 
+                       if(this.surface.render){ this.surface.render(); };      
+                       // END FOR HTML CANVAS
+                       
+                       return this;
+               },
+               fullRender: function(){
+                       this._makeDirty();
+                       
+                       // clear old values
+                       dojo.forEach(this.stack,  clear);
+                       dojo.forEach(this.series, purge);
+                       df.forIn(this.axes, purge);
+                       dojo.forEach(this.stack,  purge);
+                       this.surface.clear();
+                       
+                       // rebuild new connections, and add defaults
+                       
+                       // assign series
+                       dojo.forEach(this.series, function(run){
+                               if(!(run.plot in this.plots)){
+                                       var plot = new dc.plot2d.Default(this, {});
+                                       plot.name = run.plot;
+                                       this.plots[run.plot] = this.stack.length;
+                                       this.stack.push(plot);
+                               }
+                               this.stack[this.plots[run.plot]].addSeries(run);
+                       }, this);
+                       // assign axes
+                       dojo.forEach(this.stack, function(plot){
+                               if(plot.hAxis){
+                                       plot.setAxis(this.axes[plot.hAxis]);
+                               }
+                               if(plot.vAxis){
+                                       plot.setAxis(this.axes[plot.vAxis]);
+                               }
+                       }, this);
+                       // set up a theme
+                       if(!this.theme){
+                               this.theme = new dojox.charting.Theme(dojox.charting._def);
+                       }
+                       var requiredColors = df.foldl(this.stack, "z + plot.getRequiredColors()", 0);
+                       this.theme.defineColors({num: requiredColors, cache: false});
+                       
+                       // calculate geometry
+                       
+                       // 1st pass
+                       var dim = this.dim = this.surface.getDimensions();
+                       dim.width  = dojox.gfx.normalizedLength(dim.width);
+                       dim.height = dojox.gfx.normalizedLength(dim.height);
+                       df.forIn(this.axes, clear);
+                       dojo.forEach(this.stack, function(plot){ plot.calculateAxes(dim); });
+                       
+                       // assumption: we don't have stacked axes yet
+                       var offsets = this.offsets = {l: 0, r: 0, t: 0, b: 0};
+                       df.forIn(this.axes, function(axis){
+                               df.forIn(axis.getOffsets(), function(o, i){ offsets[i] += o; });
+                       });
+                       // add margins
+                       df.forIn(this.margins, function(o, i){ offsets[i] += o; });
+                       
+                       // 2nd pass with realistic dimensions
+                       this.plotArea = {width: dim.width - offsets.l - offsets.r, height: dim.height - offsets.t - offsets.b};
+                       df.forIn(this.axes, clear);
+                       dojo.forEach(this.stack, function(plot){ plot.calculateAxes(this.plotArea); }, this);
+                       
+                       // generate shapes
+                       
+                       // draw a chart background
+                       var t = this.theme,
+                               fill   = this.fill   ? this.fill   : (t.chart && t.chart.fill),
+                               stroke = this.stroke ? this.stroke : (t.chart && t.chart.stroke);
+                       if(fill){
+                               this.surface.createRect({
+                                       width:  dim.width, 
+                                       height: dim.height
+                               }).setFill(fill);
+                       }
+                       if(stroke){
+                               this.surface.createRect({
+                                       width:  dim.width - 1, 
+                                       height: dim.height - 1
+                               }).setStroke(stroke);
+                       }
+                       // draw a plot background
+                       fill   = t.plotarea && t.plotarea.fill;
+                       stroke = t.plotarea && t.plotarea.stroke;
+                       if(fill){
+                               this.surface.createRect({
+                                       x: offsets.l, y: offsets.t,
+                                       width:  dim.width  - offsets.l - offsets.r, 
+                                       height: dim.height - offsets.t - offsets.b
+                               }).setFill(fill);
+                       }
+                       if(stroke){
+                               this.surface.createRect({
+                                       x: offsets.l, y: offsets.t,
+                                       width:  dim.width  - offsets.l - offsets.r - 1, 
+                                       height: dim.height - offsets.t - offsets.b - 1
+                               }).setStroke(stroke);
+                       }
+                       
+                       // go over the stack backwards
+                       df.foldr(this.stack, function(z, plot){ return plot.render(dim, offsets), 0; }, 0);
+                       
+                       // go over axes
+                       df.forIn(this.axes, function(axis){ axis.render(dim, offsets); });
+                       
+                       this._makeClean();
+                       
+                       return this;
+               },
+               _makeClean: function(){
+                       // reset dirty flags
+                       dojo.forEach(this.axes,   makeClean);
+                       dojo.forEach(this.stack,  makeClean);
+                       dojo.forEach(this.series, makeClean);
+                       this.dirty = false;
+               },
+               _makeDirty: function(){
+                       // reset dirty flags
+                       dojo.forEach(this.axes,   makeDirty);
+                       dojo.forEach(this.stack,  makeDirty);
+                       dojo.forEach(this.series, makeDirty);
+                       this.dirty = true;
+               }
+       });
+})();
+
+}