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, 323 insertions, 0 deletions

diff --git a/includes/js/dojox/charting/axis2d/Default.js b/includes/js/dojox/charting/axis2d/Default.js
new file mode 100644
index 0000000..491d9e9
--- /dev/null
+++ b/includes/js/dojox/charting/axis2d/Default.js
@@ -0,0 +1,323 @@
+if(!dojo._hasResource["dojox.charting.axis2d.Default"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.charting.axis2d.Default"] = true;
+dojo.provide("dojox.charting.axis2d.Default");
+
+dojo.require("dojox.charting.scaler");
+dojo.require("dojox.charting.axis2d.common");
+dojo.require("dojox.charting.axis2d.Base");
+
+dojo.require("dojo.colors");
+dojo.require("dojox.gfx");
+dojo.require("dojox.lang.functional");
+dojo.require("dojox.lang.utils");
+
+(function(){
+	var dc = dojox.charting, 
+		df = dojox.lang.functional, 
+		du = dojox.lang.utils, 
+		g = dojox.gfx,
+		labelGap = 4;	// in pixels
+		
+	var eq = function(/* Number */ a, /* Number */ b){
+		// summary: compare two FP numbers for equality
+		return Math.abs(a - b) <= 1e-6 * (Math.abs(a) + Math.abs(b));	// Boolean
+	};
+
+	dojo.declare("dojox.charting.axis2d.Default", dojox.charting.axis2d.Base, {
+		 defaultParams: {
+			vertical:    false,		// true for vertical axis
+			fixUpper:    "none",	// align the upper on ticks: "major", "minor", "micro", "none"
+			fixLower:    "none",	// align the lower on ticks: "major", "minor", "micro", "none"
+			natural:     false,		// all tick marks should be made on natural numbers
+			leftBottom:  true,		// position of the axis, used with "vertical"
+			includeZero: false,		// 0 should be included
+			fixed:       true,		// all labels are fixed numbers
+			majorLabels: true,		// draw major labels
+			minorTicks:  true,		// draw minor ticks
+			minorLabels: true,		// draw minor labels
+			microTicks:  false,		// draw micro ticks
+			htmlLabels:  true		// use HTML to draw labels
+		},
+		optionalParams: {
+			"min":           0,		// minimal value on this axis
+			"max":           1,		// maximal value on this axis
+			"majorTickStep": 4,		// major tick step
+			"minorTickStep": 2,		// minor tick step
+			"microTickStep": 1,		// micro tick step
+			"labels":        [],	// array of labels for major ticks
+									// with corresponding numeric values
+									// ordered by values
+			// theme components
+			"stroke":        {},	// stroke for an axis
+			"majorTick":     {},	// stroke + length for a tick
+			"minorTick":     {},	// stroke + length for a tick
+			"font":          "",	// font for labels
+			"fontColor":     ""		// color for labels as a string
+		},
+
+		constructor: function(chart, kwArgs){
+			this.opt = dojo.clone(this.defaultParams);
+			du.updateWithObject(this.opt, kwArgs);
+			du.updateWithPattern(this.opt, kwArgs, this.optionalParams);
+		},
+		dependOnData: function(){
+			return !("min" in this.opt) || !("max" in this.opt);
+		},
+		clear: function(){
+			delete this.scaler;
+			this.dirty = true;
+			return this;
+		},
+		initialized: function(){
+			return "scaler" in this;
+		},
+		calculate: function(min, max, span, labels){
+			if(this.initialized()){ return this; }
+			this.labels = "labels" in this.opt ? this.opt.labels : labels;
+			if("min" in this.opt){ min = this.opt.min; }
+			if("max" in this.opt){ max = this.opt.max; }
+			if(this.opt.includeZero){
+				if(min > 0){ min = 0; }
+				if(max < 0){ max = 0; }
+			}
+			var minMinorStep = 0, ta = this.chart.theme.axis, 
+				taFont = "font" in this.opt ? this.opt.font : ta.font,
+				size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;
+			if(this.vertical){
+				if(size){
+					minMinorStep = size + labelGap;
+				}
+			}else{
+				if(size){
+					var labelWidth, i;
+					if(this.labels){
+						labelWidth = df.foldl(df.map(this.labels, function(label){
+							return dojox.gfx._base._getTextBox(label.text, {font: taFont}).w;
+						}), "Math.max(a, b)", 0);
+					}else{
+						var labelLength = Math.ceil(Math.log(Math.max(Math.abs(min), Math.abs(max))) / Math.LN10), t = [];
+						if(min < 0 || max < 0){ t.push("-"); }
+						for(i = 0; i < labelLength; ++i){ t.push("9"); }
+						var precision = Math.floor(Math.log(max - min) / Math.LN10);
+						if(precision > 0){
+							t.push(".");
+							for(i = 0; i < precision; ++i){ t.push("9"); }
+						}
+						labelWidth = dojox.gfx._base._getTextBox(t.join(""), {font: taFont}).w;
+					}
+					minMinorStep = labelWidth + labelGap;
+				}
+			}
+			var kwArgs = {
+				fixUpper: this.opt.fixUpper, 
+				fixLower: this.opt.fixLower, 
+				natural:  this.opt.natural
+			};
+			if("majorTickStep" in this.opt){ kwArgs.majorTick = this.opt.majorTickStep; }
+			if("minorTickStep" in this.opt){ kwArgs.minorTick = this.opt.minorTickStep; }
+			if("microTickStep" in this.opt){ kwArgs.microTick = this.opt.microTickStep; }
+			this.scaler = dojox.charting.scaler(min, max, span, kwArgs);
+			this.scaler.minMinorStep = minMinorStep;
+			return this;
+		},
+		getScaler: function(){
+			return this.scaler;
+		},
+		getOffsets: function(){
+			var offsets = {l: 0, r: 0, t: 0, b: 0}, s, labelWidth, gtb, a, b, c, d;
+			var offset = 0, ta = this.chart.theme.axis,
+				taFont = "font" in this.opt ? this.opt.font : ta.font,
+				taMajorTick = "majorTick" in this.opt ? this.opt.majorTick : ta.majorTick,
+				taMinorTick = "minorTick" in this.opt ? this.opt.minorTick : ta.minorTick,
+				size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;
+			if(this.vertical){
+				if(size){
+					s = this.scaler;
+					if(this.labels){
+						labelWidth = df.foldl(df.map(this.labels, function(label){
+							return dojox.gfx._base._getTextBox(label.text, {font: taFont}).w;
+						}), "Math.max(a, b)", 0);
+					}else{
+						gtb = dojox.gfx._base._getTextBox;
+						a = gtb(this._getLabel(s.major.start, s.major.prec), {font: taFont}).w;
+						b = gtb(this._getLabel(s.major.start + s.major.count * s.major.tick, s.major.prec), {font: taFont}).w;
+						c = gtb(this._getLabel(s.minor.start, s.minor.prec), {font: taFont}).w;
+						d = gtb(this._getLabel(s.minor.start + s.minor.count * s.minor.tick, s.minor.prec), {font: taFont}).w;
+						labelWidth = Math.max(a, b, c, d);
+					}
+					offset = labelWidth + labelGap;
+				}
+				offset += labelGap + Math.max(taMajorTick.length, taMinorTick.length);
+				offsets[this.opt.leftBottom ? "l" : "r"] = offset;
+				offsets.t = offsets.b = size / 2;
+			}else{
+				if(size){
+					offset = size + labelGap;
+				}
+				offset += labelGap + Math.max(taMajorTick.length, taMinorTick.length);
+				offsets[this.opt.leftBottom ? "b" : "t"] = offset;
+				if(size){
+					s = this.scaler;
+					if(this.labels){
+						labelWidth = df.foldl(df.map(this.labels, function(label){
+							return dojox.gfx._base._getTextBox(label.text, {font: taFont}).w;
+						}), "Math.max(a, b)", 0);
+					}else{
+						gtb = dojox.gfx._base._getTextBox;
+						a = gtb(this._getLabel(s.major.start, s.major.prec), {font: taFont}).w;
+						b = gtb(this._getLabel(s.major.start + s.major.count * s.major.tick, s.major.prec), {font: taFont}).w;
+						c = gtb(this._getLabel(s.minor.start, s.minor.prec), {font: taFont}).w;
+						d = gtb(this._getLabel(s.minor.start + s.minor.count * s.minor.tick, s.minor.prec), {font: taFont}).w;
+						labelWidth = Math.max(a, b, c, d);
+					}
+					offsets.l = offsets.r = labelWidth / 2;
+				}
+			}
+			return offsets;
+		},
+		render: function(dim, offsets){
+			if(!this.dirty){ return this; }
+			// prepare variable
+			var start, stop, axisVector, tickVector, labelOffset, labelAlign,
+				ta = this.chart.theme.axis, 
+				taStroke = "stroke" in this.opt ? this.opt.stroke : ta.stroke,
+				taMajorTick = "majorTick" in this.opt ? this.opt.majorTick : ta.majorTick,
+				taMinorTick = "minorTick" in this.opt ? this.opt.minorTick : ta.minorTick,
+				taFont = "font" in this.opt ? this.opt.font : ta.font,
+				taFontColor = "fontColor" in this.opt ? this.opt.fontColor : ta.fontColor,
+				tickSize = Math.max(taMajorTick.length, taMinorTick.length),
+				size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;
+			if(this.vertical){
+				start = {y: dim.height - offsets.b};
+				stop  = {y: offsets.t};
+				axisVector = {x: 0, y: -1};
+				if(this.opt.leftBottom){
+					start.x = stop.x = offsets.l;
+					tickVector = {x: -1, y: 0};
+					labelAlign = "end";
+				}else{
+					start.x = stop.x = dim.width - offsets.r;
+					tickVector = {x: 1, y: 0};
+					labelAlign = "start";
+				}
+				labelOffset = {x: tickVector.x * (tickSize + labelGap), y: size * 0.4};
+			}else{
+				start = {x: offsets.l};
+				stop  = {x: dim.width - offsets.r};
+				axisVector = {x: 1, y: 0};
+				labelAlign = "middle";
+				if(this.opt.leftBottom){
+					start.y = stop.y = dim.height - offsets.b;
+					tickVector = {x: 0, y: 1};
+					labelOffset = {y: tickSize + labelGap + size};
+				}else{
+					start.y = stop.y = offsets.t;
+					tickVector = {x: 0, y: -1};
+					labelOffset = {y: -tickSize - labelGap};
+				}
+				labelOffset.x = 0;
+			}
+			
+			// render shapes
+			this.cleanGroup();
+			var s = this.group, c = this.scaler, step, next,
+				nextMajor = c.major.start, nextMinor = c.minor.start, nextMicro = c.micro.start;
+			s.createLine({x1: start.x, y1: start.y, x2: stop.x, y2: stop.y}).setStroke(taStroke);
+			if(this.opt.microTicks && c.micro.tick){
+				step = c.micro.tick, next = nextMicro;
+			}else if(this.opt.minorTicks && c.minor.tick){
+				step = c.minor.tick, next = nextMinor;
+			}else if(c.major.tick){
+				step = c.major.tick, next = nextMajor;
+			}else{
+				// don't draw anything
+				return this;
+			}
+			while(next <= c.bounds.upper + 1/c.scale){
+				var offset = (next - c.bounds.lower) * c.scale,
+					x = start.x + axisVector.x * offset,
+					y = start.y + axisVector.y * offset, elem;
+				if(Math.abs(nextMajor - next) < step / 2){
+					// major tick
+					s.createLine({
+						x1: x, y1: y,
+						x2: x + tickVector.x * taMajorTick.length,
+						y2: y + tickVector.y * taMajorTick.length
+					}).setStroke(taMajorTick);
+					if(this.opt.majorLabels){
+						elem = dc.axis2d.common.createText[this.opt.htmlLabels && dojox.gfx.renderer != "vml" ? "html" : "gfx"]
+										(this.chart, s, x + labelOffset.x, y + labelOffset.y, labelAlign,
+											this._getLabel(nextMajor, c.major.prec), taFont, taFontColor);
+						if(this.opt.htmlLabels){ this.htmlElements.push(elem); }
+					}
+					nextMajor += c.major.tick;
+					nextMinor += c.minor.tick;
+					nextMicro += c.micro.tick;
+				}else if(Math.abs(nextMinor - next) < step / 2){
+					// minor tick
+					if(this.opt.minorTicks){
+						s.createLine({
+							x1: x, y1: y,
+							x2: x + tickVector.x * taMinorTick.length,
+							y2: y + tickVector.y * taMinorTick.length
+						}).setStroke(taMinorTick);
+						if(this.opt.minorLabels && (c.minMinorStep <= c.minor.tick * c.scale)){
+							elem = dc.axis2d.common.createText[this.opt.htmlLabels && dojox.gfx.renderer != "vml" ? "html" : "gfx"]
+											(this.chart, s, x + labelOffset.x, y + labelOffset.y, labelAlign,
+												this._getLabel(nextMinor, c.minor.prec), taFont, taFontColor);
+							if(this.opt.htmlLabels){ this.htmlElements.push(elem); }
+						}
+					}
+					nextMinor += c.minor.tick;
+					nextMicro += c.micro.tick;
+				}else{
+					// micro tick
+					if(this.opt.microTicks){
+						s.createLine({
+							x1: x, y1: y,
+							// use minor ticks for now
+							x2: x + tickVector.x * taMinorTick.length,
+							y2: y + tickVector.y * taMinorTick.length
+						}).setStroke(taMinorTick);
+					}
+					nextMicro += c.micro.tick;
+				}
+				next += step;
+			}
+			this.dirty = false;
+			return this;
+		},
+		
+		// utilities
+		_getLabel: function(number, precision){
+			if(this.opt.labels){
+				// classic binary search
+				var l = this.opt.labels, lo = 0, hi = l.length;
+				while(lo < hi){
+					var mid = Math.floor((lo + hi) / 2), val = l[mid].value;
+					if(val < number){
+						lo = mid + 1;
+					}else{
+						hi = mid;
+					}
+				}
+				// lets take into account FP errors
+				if(lo < l.length && eq(l[lo].value, number)){
+					return l[lo].text;
+				}
+				--lo;
+				if(lo < l.length && eq(l[lo].value, number)){
+					return l[lo].text;
+				}
+				lo += 2;
+				if(lo < l.length && eq(l[lo].value, number)){
+					return l[lo].text;
+				}
+				// otherwise we will produce a number
+			}
+			return this.opt.fixed ? number.toFixed(precision < 0 ? -precision : 0) : number.toString();
+		}
+	});
+})();
+
+}