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1318 alexandre_ 1
/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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	Licensed under the Academic Free License version 2.1 or above OR the
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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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1422 alexandre_ 11
 
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1318 alexandre_ 13
dojo.provide("dojo.svg");
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dojo.require("dojo.lang.common");
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dojo.require("dojo.dom");
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dojo.mixin(dojo.svg, dojo.dom);
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dojo.svg.graphics = dojo.svg.g = new function (d) {
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	this.suspend = function () {
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		try {
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			d.documentElement.suspendRedraw(0);
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		}
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		catch (e) {
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		}
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	};
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	this.resume = function () {
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		try {
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			d.documentElement.unsuspendRedraw(0);
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		}
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		catch (e) {
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		}
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	};
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	this.force = function () {
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		try {
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			d.documentElement.forceRedraw();
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		}
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		catch (e) {
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		}
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	};
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}(document);
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dojo.svg.animations = dojo.svg.anim = new function (d) {
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	this.arePaused = function () {
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		try {
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			return d.documentElement.animationsPaused();
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		}
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		catch (e) {
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			return false;
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		}
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	};
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	this.pause = function () {
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		try {
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			d.documentElement.pauseAnimations();
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		}
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		catch (e) {
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		}
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	};
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	this.resume = function () {
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		try {
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			d.documentElement.unpauseAnimations();
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		}
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		catch (e) {
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		}
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	};
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}(document);
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dojo.svg.toCamelCase = function (selector) {
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	var arr = selector.split("-"), cc = arr[0];
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	for (var i = 1; i < arr.length; i++) {
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		cc += arr[i].charAt(0).toUpperCase() + arr[i].substring(1);
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	}
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	return cc;
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};
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dojo.svg.toSelectorCase = function (selector) {
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	return selector.replace(/([A-Z])/g, "-$1").toLowerCase();
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};
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dojo.svg.getStyle = function (node, cssSelector) {
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	return document.defaultView.getComputedStyle(node, cssSelector);
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};
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dojo.svg.getNumericStyle = function (node, cssSelector) {
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	return parseFloat(dojo.svg.getStyle(node, cssSelector));
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};
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dojo.svg.getOpacity = function (node) {
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	return Math.min(1, dojo.svg.getNumericStyle(node, "fill-opacity"));
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};
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dojo.svg.setOpacity = function (node, opacity) {
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	node.setAttributeNS(this.xmlns.svg, "fill-opacity", opacity);
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	node.setAttributeNS(this.xmlns.svg, "stroke-opacity", opacity);
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};
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dojo.svg.clearOpacity = function (node) {
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	node.setAttributeNS(this.xmlns.svg, "fill-opacity", "1.0");
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	node.setAttributeNS(this.xmlns.svg, "stroke-opacity", "1.0");
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};
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dojo.svg.getCoords = function (node) {
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	if (node.getBBox) {
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		var box = node.getBBox();
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		return {x:box.x, y:box.y};
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	}
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	return null;
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};
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dojo.svg.setCoords = function (node, coords) {
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	var p = dojo.svg.getCoords();
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	if (!p) {
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		return;
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	}
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	var dx = p.x - coords.x;
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	var dy = p.y - coords.y;
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	dojo.svg.translate(node, dx, dy);
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};
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dojo.svg.getDimensions = function (node) {
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	if (node.getBBox) {
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		var box = node.getBBox();
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		return {width:box.width, height:box.height};
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	}
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	return null;
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};
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dojo.svg.setDimensions = function (node, dim) {
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	if (node.width) {
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		node.width.baseVal.value = dim.width;
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		node.height.baseVal.value = dim.height;
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	} else {
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		if (node.r) {
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			node.r.baseVal.value = Math.min(dim.width, dim.height) / 2;
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		} else {
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			if (node.rx) {
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				node.rx.baseVal.value = dim.width / 2;
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				node.ry.baseVal.value = dim.height / 2;
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			}
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		}
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	}
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};
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dojo.svg.translate = function (node, dx, dy) {
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var t = node.ownerSVGElement.createSVGTransform();
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		t.setTranslate(dx, dy);
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.scale = function (node, scaleX, scaleY) {
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	if (!scaleY) {
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		var scaleY = scaleX;
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	}
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var t = node.ownerSVGElement.createSVGTransform();
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		t.setScale(scaleX, scaleY);
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.rotate = function (node, ang, cx, cy) {
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var t = node.ownerSVGElement.createSVGTransform();
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		if (cx == null) {
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			t.setMatrix(t.matrix.rotate(ang));
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		} else {
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			t.setRotate(ang, cx, cy);
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		}
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.skew = function (node, ang, axis) {
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	var dir = axis || "x";
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var t = node.ownerSVGElement.createSVGTransform();
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		if (dir != "x") {
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			t.setSkewY(ang);
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		} else {
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			t.setSkewX(ang);
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		}
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.flip = function (node, axis) {
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	var dir = axis || "x";
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var t = node.ownerSVGElement.createSVGTransform();
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		t.setMatrix((dir != "x") ? t.matrix.flipY() : t.matrix.flipX());
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.invert = function (node) {
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var t = node.ownerSVGElement.createSVGTransform();
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		t.setMatrix(t.matrix.inverse());
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.applyMatrix = function (node, a, b, c, d, e, f) {
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	if (node.transform && node.ownerSVGElement && node.ownerSVGElement.createSVGTransform) {
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		var m;
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		if (b) {
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			var m = node.ownerSVGElement.createSVGMatrix();
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			m.a = a;
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			m.b = b;
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			m.c = c;
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			m.d = d;
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			m.e = e;
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			m.f = f;
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		} else {
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			m = a;
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		}
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		var t = node.ownerSVGElement.createSVGTransform();
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		t.setMatrix(m);
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		node.transform.baseVal.appendItem(t);
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	}
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};
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dojo.svg.group = function (nodes) {
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	var p = nodes.item(0).parentNode;
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	var g = document.createElementNS(this.xmlns.svg, "g");
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	for (var i = 0; i < nodes.length; i++) {
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		g.appendChild(nodes.item(i));
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	}
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	p.appendChild(g);
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	return g;
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};
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dojo.svg.ungroup = function (g) {
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	var p = g.parentNode;
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	while (g.childNodes.length > 0) {
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		p.appendChild(g.childNodes.item(0));
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	}
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	p.removeChild(g);
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};
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dojo.svg.getGroup = function (node) {
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	var a = this.getAncestors(node);
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	for (var i = 0; i < a.length; i++) {
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		if (a[i].nodeType == this.ELEMENT_NODE && a[i].nodeName.toLowerCase() == "g") {
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			return a[i];
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		}
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	}
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	return null;
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};
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dojo.svg.bringToFront = function (node) {
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	var n = this.getGroup(node) || node;
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	n.ownerSVGElement.appendChild(n);
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};
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dojo.svg.sendToBack = function (node) {
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	var n = this.getGroup(node) || node;
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	n.ownerSVGElement.insertBefore(n, n.ownerSVGElement.firstChild);
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};
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dojo.svg.bringForward = function (node) {
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	var n = this.getGroup(node) || node;
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	if (this.getLastChildElement(n.parentNode) != n) {
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		this.insertAfter(n, this.getNextSiblingElement(n), true);
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	}
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};
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dojo.svg.sendBackward = function (node) {
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	var n = this.getGroup(node) || node;
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	if (this.getFirstChildElement(n.parentNode) != n) {
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		this.insertBefore(n, this.getPreviousSiblingElement(n), true);
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	}
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};
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dojo.svg.createNodesFromText = function (txt, wrap) {
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	var docFrag = (new DOMParser()).parseFromString(txt, "text/xml").normalize();
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	if (wrap) {
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		return [docFrag.firstChild.cloneNode(true)];
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	}
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	var nodes = [];
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	for (var x = 0; x < docFrag.childNodes.length; x++) {
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		nodes.push(docFrag.childNodes.item(x).cloneNode(true));
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	}
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	return nodes;
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};
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