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, 288 insertions, 0 deletions

diff --git a/includes/js/dojox/gfx/_base.js b/includes/js/dojox/gfx/_base.js
new file mode 100644
index 0000000..3b118c2
--- /dev/null
+++ b/includes/js/dojox/gfx/_base.js
@@ -0,0 +1,288 @@
+if(!dojo._hasResource["dojox.gfx._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.gfx._base"] = true;
+dojo.provide("dojox.gfx._base");
+
+(function(){
+	var g = dojox.gfx, b = g._base;
+	
+	// candidates for dojox.style (work on VML and SVG nodes)
+	g._hasClass = function(/*DomNode*/node, /*String*/classStr){
+		//	summary:
+		//		Returns whether or not the specified classes are a portion of the
+		//		class list currently applied to the node. 
+		// return (new RegExp('(^|\\s+)'+classStr+'(\\s+|$)')).test(node.className)	// Boolean
+		return ((" "+node.getAttribute("className")+" ").indexOf(" "+classStr+" ") >= 0);  // Boolean
+	}
+	g._addClass = function(/*DomNode*/node, /*String*/classStr){
+		//	summary:
+		//		Adds the specified classes to the end of the class list on the
+		//		passed node.
+		var cls = node.getAttribute("className");
+		if((" "+cls+" ").indexOf(" "+classStr+" ") < 0){
+			node.setAttribute("className", cls + (cls ? ' ' : '') + classStr);
+		}
+	}
+	g._removeClass = function(/*DomNode*/node, /*String*/classStr){
+		//	summary: Removes classes from node.
+		node.setAttribute("className", node.getAttribute("className").replace(new RegExp('(^|\\s+)'+classStr+'(\\s+|$)'), "$1$2"));
+	}
+	
+	
+	// candidate for dojox.html.metrics (dynamic font resize handler is not implemented here)
+	
+	//	derived from Morris John's emResized measurer
+	b._getFontMeasurements = function(){
+		//	summary
+		//	Returns an object that has pixel equivilents of standard font size values.
+		var heights = {
+			'1em':0, '1ex':0, '100%':0, '12pt':0, '16px':0, 'xx-small':0, 'x-small':0,
+			'small':0, 'medium':0, 'large':0, 'x-large':0, 'xx-large':0
+		};
+	
+		if(dojo.isIE){
+			//	we do a font-size fix if and only if one isn't applied already.
+			//	NOTE: If someone set the fontSize on the HTML Element, this will kill it.
+			dojo.doc.documentElement.style.fontSize="100%";
+		}
+	
+		//	set up the measuring node.
+		var div=dojo.doc.createElement("div");
+		div.style.position="absolute";
+		div.style.left="-100px";
+		div.style.top="0";
+		div.style.width="30px";
+		div.style.height="1000em";
+		div.style.border="0";
+		div.style.margin="0";
+		div.style.padding="0";
+		div.style.outline="0";
+		div.style.lineHeight="1";
+		div.style.overflow="hidden";
+		dojo.body().appendChild(div);
+	
+		//	do the measurements.
+		for(var p in heights){
+			div.style.fontSize = p;
+			heights[p] = Math.round(div.offsetHeight * 12/16) * 16/12 / 1000;
+		}
+		
+		dojo.body().removeChild(div);
+		div = null;
+		return heights; 	//	object
+	};
+	
+	var fontMeasurements = null;
+	
+	b._getCachedFontMeasurements = function(recalculate){
+		if(recalculate || !fontMeasurements){
+			fontMeasurements = b._getFontMeasurements();
+		}
+		return fontMeasurements;
+	};
+	
+	// candidate for dojox.html.metrics
+	
+	var measuringNode = null, empty = {};
+	b._getTextBox = function(/* String */ text, /* Object */ style, /* String? */ className){
+		var m;
+		if(!measuringNode){
+			m = measuringNode = dojo.doc.createElement("div");
+			m.style.position = "absolute";
+			m.style.left = "-10000px";
+			m.style.top = "0";
+			dojo.body().appendChild(m);
+		}else{
+			m = measuringNode;
+		}
+		// reset styles
+		m.className = "";
+		m.style.border = "0";
+		m.style.margin = "0";
+		m.style.padding = "0";
+		m.style.outline = "0";
+		// set new style
+		if(arguments.length > 1 && style){
+			for(var i in style){
+				if(i in empty){ continue; }
+				m.style[i] = style[i];
+			}
+		}
+		// set classes
+		if(arguments.length > 2 && className){
+			m.className = className;
+		}
+		// take a measure
+		m.innerHTML = text;
+		return dojo.marginBox(m);
+	};
+	
+	// candidate for dojo.dom
+	
+	var uniqueId = 0;
+	b._getUniqueId = function(){
+		// summary: returns a unique string for use with any DOM element
+		var id;
+		do{
+			id = dojo._scopeName + "Unique" + (++uniqueId);
+		}while(dojo.byId(id));
+		return id;
+	};
+})();
+
+dojo.mixin(dojox.gfx, {
+	// summary: defines constants, prototypes, and utility functions
+	
+	// default shapes, which are used to fill in missing parameters
+	defaultPath:     {type: "path",     path: ""},
+	defaultPolyline: {type: "polyline", points: []},
+	defaultRect:     {type: "rect",     x: 0, y: 0, width: 100, height: 100, r: 0},
+	defaultEllipse:  {type: "ellipse",  cx: 0, cy: 0, rx: 200, ry: 100},
+	defaultCircle:   {type: "circle",   cx: 0, cy: 0, r: 100},
+	defaultLine:     {type: "line",     x1: 0, y1: 0, x2: 100, y2: 100},
+	defaultImage:    {type: "image",    x: 0, y: 0, width: 0, height: 0, src: ""},
+	defaultText:     {type: "text",     x: 0, y: 0, text: "",
+		align: "start", decoration: "none", rotated: false, kerning: true },
+	defaultTextPath: {type: "textpath", text: "",
+		align: "start", decoration: "none", rotated: false, kerning: true },
+
+	// default geometric attributes
+	defaultStroke: {type: "stroke", color: "black", style: "solid", width: 1, cap: "butt", join: 4},
+	defaultLinearGradient: {type: "linear", x1: 0, y1: 0, x2: 100, y2: 100, 
+		colors: [{offset: 0, color: "black"}, {offset: 1, color: "white"}]},
+	defaultRadialGradient: {type: "radial", cx: 0, cy: 0, r: 100, 
+		colors: [{offset: 0, color: "black"}, {offset: 1, color: "white"}]},
+	defaultPattern: {type: "pattern", x: 0, y: 0, width: 0, height: 0, src: ""},
+	defaultFont: {type: "font", style: "normal", variant: "normal", weight: "normal", 
+		size: "10pt", family: "serif"},
+
+	normalizeColor: function(/*Color*/ color){
+		// summary: converts any legal color representation to normalized dojo.Color object
+		return (color instanceof dojo.Color) ? color : new dojo.Color(color); // dojo.Color
+	},
+	normalizeParameters: function(existed, update){
+		// summary: updates an existing object with properties from an "update" object
+		// existed: Object: the "target" object to be updated
+		// update:  Object: the "update" object, whose properties will be used to update the existed object
+		if(update){
+			var empty = {};
+			for(var x in existed){
+				if(x in update && !(x in empty)){
+					existed[x] = update[x];
+				}
+			}
+		}
+		return existed;	// Object
+	},
+	makeParameters: function(defaults, update){
+		// summary: copies the original object, and all copied properties from the "update" object
+		// defaults: Object: the object to be cloned before updating
+		// update:   Object: the object, which properties are to be cloned during updating
+		if(!update) return dojo.clone(defaults);
+		var result = {};
+		for(var i in defaults){
+			if(!(i in result)){
+				result[i] = dojo.clone((i in update) ? update[i] : defaults[i]);
+			}
+		}
+		return result; // Object
+	},
+	formatNumber: function(x, addSpace){
+		// summary: converts a number to a string using a fixed notation
+		// x:			Number:		number to be converted
+		// addSpace:	Boolean?:	if it is true, add a space before a positive number
+		var val = x.toString();
+		if(val.indexOf("e") >= 0){
+			val = x.toFixed(4);
+		}else{
+			var point = val.indexOf(".");
+			if(point >= 0 && val.length - point > 5){
+				val = x.toFixed(4);
+			}
+		}
+		if(x < 0){
+			return val; // String
+		}
+		return addSpace ? " " + val : val; // String
+	},
+	// font operations
+	makeFontString: function(font){
+		// summary: converts a font object to a CSS font string
+		// font:	Object:	font object (see dojox.gfx.defaultFont)
+		return font.style + " " + font.variant + " " + font.weight + " " + font.size + " " + font.family; // Object
+	},
+	splitFontString: function(str){
+		// summary: converts a CSS font string to a font object
+		// str:		String:	a CSS font string
+		var font = dojo.clone(dojox.gfx.defaultFont);
+		var t = str.split(/\s+/);
+		do{
+			if(t.length < 5){ break; }
+			font.style  = t[0];
+			font.varian = t[1];
+			font.weight = t[2];
+			var i = t[3].indexOf("/");
+			font.size = i < 0 ? t[3] : t[3].substring(0, i);
+			var j = 4;
+			if(i < 0){
+				if(t[4] == "/"){
+					j = 6;
+					break;
+				}
+				if(t[4].substr(0, 1) == "/"){
+					j = 5;
+					break;
+				}
+			}
+			if(j + 3 > t.length){ break; }
+			font.size = t[j];
+			font.family = t[j + 1];
+		}while(false);
+		return font;	// Object
+	},
+	// length operations
+	cm_in_pt: 72 / 2.54,	// Number: centimeters per inch
+	mm_in_pt: 7.2 / 2.54,	// Number: millimeters per inch
+	px_in_pt: function(){
+		// summary: returns a number of pixels per point
+		return dojox.gfx._base._getCachedFontMeasurements()["12pt"] / 12;	// Number
+	},
+	pt2px: function(len){
+		// summary: converts points to pixels
+		// len: Number: a value in points
+		return len * dojox.gfx.px_in_pt();	// Number
+	},
+	px2pt: function(len){
+		// summary: converts pixels to points
+		// len: Number: a value in pixels
+		return len / dojox.gfx.px_in_pt();	// Number
+	},
+	normalizedLength: function(len) {
+		// summary: converts any length value to pixels
+		// len: String: a length, e.g., "12pc"
+		if(len.length == 0) return 0;
+		if(len.length > 2){
+			var px_in_pt = dojox.gfx.px_in_pt();
+			var val = parseFloat(len);
+			switch(len.slice(-2)){
+				case "px": return val;
+				case "pt": return val * px_in_pt;
+				case "in": return val * 72 * px_in_pt;
+				case "pc": return val * 12 * px_in_pt;
+				case "mm": return val / dojox.gfx.mm_in_pt * px_in_pt;
+				case "cm": return val / dojox.gfx.cm_in_pt * px_in_pt;
+			}
+		}
+		return parseFloat(len);	// Number
+	},
+	
+	// a constant used to split a SVG/VML path into primitive components
+	pathVmlRegExp: /([A-Za-z]+)|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g,
+	pathSvgRegExp: /([A-Za-z])|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g,
+	
+	equalSources: function(a, b){
+		// summary: compares event sources, returns true if they are equal
+		return a && b && a == b;
+	}
+});
+
+}