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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/charting/plot2d/Pie.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
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New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojox/charting/plot2d/Pie.js')
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1 files changed, 199 insertions, 0 deletions
diff --git a/includes/js/dojox/charting/plot2d/Pie.js b/includes/js/dojox/charting/plot2d/Pie.js
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+if(!dojo._hasResource["dojox.charting.plot2d.Pie"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.charting.plot2d.Pie"] = true;
+dojo.provide("dojox.charting.plot2d.Pie");
+
+dojo.require("dojox.charting.Element");
+dojo.require("dojox.charting.axis2d.common");
+dojo.require("dojox.charting.plot2d.common");
+
+dojo.require("dojox.lang.functional");
+dojo.require("dojox.gfx");
+
+(function(){
+ var df = dojox.lang.functional, du = dojox.lang.utils,
+ dc = dojox.charting.plot2d.common,
+ da = dojox.charting.axis2d.common,
+ g = dojox.gfx;
+
+ dojo.declare("dojox.charting.plot2d.Pie", dojox.charting.Element, {
+ defaultParams: {
+ labels: true,
+ ticks: false,
+ fixed: true,
+ precision: 1,
+ labelOffset: 20,
+ labelStyle: "default", // default/rows/auto
+ htmlLabels: true // use HTML to draw labels
+ },
+ optionalParams: {
+ font: "",
+ fontColor: "",
+ radius: 0
+ },
+
+ constructor: function(chart, kwArgs){
+ this.opt = dojo.clone(this.defaultParams);
+ du.updateWithObject(this.opt, kwArgs);
+ du.updateWithPattern(this.opt, kwArgs, this.optionalParams);
+ this.run = null;
+ this.dyn = [];
+ },
+ clear: function(){
+ this.dirty = true;
+ this.dyn = [];
+ return this;
+ },
+ setAxis: function(axis){
+ // nothing
+ return this;
+ },
+ addSeries: function(run){
+ this.run = run;
+ return this;
+ },
+ calculateAxes: function(dim){
+ // nothing
+ return this;
+ },
+ getRequiredColors: function(){
+ return this.run ? this.run.data.length : 0;
+ },
+ render: function(dim, offsets){
+ if(!this.dirty){ return this; }
+ this.dirty = false;
+ this.cleanGroup();
+ var s = this.group, color, t = this.chart.theme;
+
+ // calculate the geometry
+ var rx = (dim.width - offsets.l - offsets.r) / 2,
+ ry = (dim.height - offsets.t - offsets.b) / 2,
+ r = Math.min(rx, ry),
+ taFont = "font" in this.opt ? this.opt.font : t.axis.font,
+ size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0,
+ taFontColor = "fontColor" in this.opt ? this.opt.fontColor : t.axis.fontColor,
+ start = 0, step, sum, slices, labels, shift, labelR,
+ run = this.run.data;
+ if(typeof run[0] == "number"){
+ sum = df.foldl1(run, "+");
+ slices = dojo.map(run, function(x){ return x / sum; });
+ if(this.opt.labels){
+ labels = dojo.map(slices, function(x){
+ return this._getLabel(x * 100) + "%";
+ }, this);
+ }
+ }else{
+ sum = df.foldl1(run, function(a, b){ return {y: a.y + b.y}; }).y;
+ slices = df.map(run, function(x){ return x.y / sum; });
+ if(this.opt.labels){
+ labels = dojo.map(slices, function(x, i){
+ var v = run[i];
+ return "text" in v ? v.text : this._getLabel(x * 100) + "%";
+ }, this);
+ }
+ }
+ if(this.opt.labels){
+ shift = df.foldl1(df.map(labels, function(label){
+ return dojox.gfx._base._getTextBox(label, {font: taFont}).w;
+ }, this), "Math.max(a, b)") / 2;
+ if(this.opt.labelOffset < 0){
+ r = Math.min(rx - 2 * shift, ry - size) + this.opt.labelOffset;
+ }
+ labelR = r - this.opt.labelOffset;
+ }
+ if("radius" in this.opt){
+ r = this.opt.radius;
+ labelR = r - this.opt.labelOffset;
+ }
+ var circle = {
+ cx: offsets.l + rx,
+ cy: offsets.t + ry,
+ r: r
+ };
+
+ this.dyn = [];
+ if(!this.run || !run.length){
+ return this;
+ }
+ if(run.length == 1){
+ // need autogenerated color
+ color = new dojo.Color(t.next("color"));
+ var shape = s.createCircle(circle).
+ setFill(dc.augmentFill(t.run.fill, color)).
+ setStroke(dc.augmentStroke(t.series.stroke, color));
+ this.dyn.push({color: color, fill: shape.getFill(), stroke: shape.getStroke()});
+ if(this.opt.labels){
+ // draw the label
+ var elem = da.createText[this.opt.htmlLabels && dojox.gfx.renderer != "vml" ? "html" : "gfx"]
+ (this.chart, s, circle.cx, circle.cy + size / 2, "middle",
+ "100%", taFont, taFontColor);
+ if(this.opt.htmlLabels){ this.htmlElements.push(elem); }
+ }
+ return this;
+ }
+ // draw slices
+ dojo.forEach(slices, function(x, i){
+ // calculate the geometry of the slice
+ var end = start + x * 2 * Math.PI, v = run[i];
+ if(i + 1 == slices.length){
+ end = 2 * Math.PI;
+ }
+ var step = end - start,
+ x1 = circle.cx + r * Math.cos(start),
+ y1 = circle.cy + r * Math.sin(start),
+ x2 = circle.cx + r * Math.cos(end),
+ y2 = circle.cy + r * Math.sin(end);
+ // draw the slice
+ var color, fill, stroke;
+ if(typeof v == "object"){
+ color = "color" in v ? v.color : new dojo.Color(t.next("color"));
+ fill = "fill" in v ? v.fill : dc.augmentFill(t.series.fill, color);
+ stroke = "stroke" in v ? v.stroke : dc.augmentStroke(t.series.stroke, color);
+ }else{
+ color = new dojo.Color(t.next("color"));
+ fill = dc.augmentFill(t.series.fill, color);
+ stroke = dc.augmentStroke(t.series.stroke, color);
+ }
+ var shape = s.createPath({}).
+ moveTo(circle.cx, circle.cy).
+ lineTo(x1, y1).
+ arcTo(r, r, 0, step > Math.PI, true, x2, y2).
+ lineTo(circle.cx, circle.cy).
+ closePath().
+ setFill(fill).
+ setStroke(stroke);
+ this.dyn.push({color: color, fill: fill, stroke: stroke});
+ start = end;
+ }, this);
+ // draw labels
+ if(this.opt.labels){
+ start = 0;
+ dojo.forEach(slices, function(slice, i){
+ // calculate the geometry of the slice
+ var end = start + slice * 2 * Math.PI, v = run[i];
+ if(i + 1 == slices.length){
+ end = 2 * Math.PI;
+ }
+ var labelAngle = (start + end) / 2,
+ x = circle.cx + labelR * Math.cos(labelAngle),
+ y = circle.cy + labelR * Math.sin(labelAngle) + size / 2;
+ // draw the label
+ var elem = da.createText[this.opt.htmlLabels && dojox.gfx.renderer != "vml" ? "html" : "gfx"]
+ (this.chart, s, x, y, "middle",
+ labels[i], taFont,
+ (typeof v == "object" && "fontColor" in v)
+ ? v.fontColor : taFontColor);
+ if(this.opt.htmlLabels){ this.htmlElements.push(elem); }
+ start = end;
+ }, this);
+ }
+ return this;
+ },
+
+ // utilities
+ _getLabel: function(number){
+ return this.opt.fixed ? number.toFixed(this.opt.precision) : number.toString();
+ }
+ });
+})();
+
+}