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