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

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
new file mode 100644
index 0000000..2d0f55e
--- /dev/null
+++ b/includes/js/dojox/charting/plot2d/Pie.js
@@ -0,0 +1,199 @@
+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();
+		}
+	});
+})();
+
+}