2012 lines
61 KiB
JavaScript
2012 lines
61 KiB
JavaScript
if(!window.console) {
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window.console = new function() {
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this.log = function(str) {};
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this.dir = function(str) {};
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};
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}
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// this defines which elements and attributes that we support
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var svgWhiteList = {
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"circle": ["cx", "cy", "fill", "fill-opacity", "id", "stroke", "r", "stroke-opacity", "stroke-width", "stroke-dasharray"],
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"defs": [],
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"ellipse": ["cx", "cy", "fill", "fill-opacity", "id", "stroke", "rx", "ry", "stroke-opacity", "stroke-width", "stroke-dasharray"],
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"line": ["fill", "fill-opacity", "id", "stroke", "stroke-opacity", "stroke-width", "stroke-dasharray", "x1", "x2", "y1", "y2"],
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"linearGradient": ["id", "x1", "x2", "y1", "y2"],
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"path": ["d", "fill", "fill-opacity", "id", "stroke", "stroke-opacity", "stroke-width", "stroke-dasharray"],
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"rect": ["fill", "fill-opacity", "height", "id", "stroke", "stroke-opacity", "stroke-width", "stroke-dasharray", "width", "x", "y"],
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"stop": ["id", "offset", "stop-color", "stop-opacity"],
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"svg": ["id", "height", "width", "xmlns"],
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"text": ["font-family", "font-size", "font-style", "font-weight", "id", "x", "y"],
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};
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// These command objects are used for the Undo/Redo stack
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// attrs contains the values that the attributes had before the change
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function ChangeElementCommand(elem, attrs, text) {
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this.elem = elem;
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this.text = text ? ("Change " + elem.tagName + " " + text) : ("Change " + elem.tagName);
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this.newValues = {};
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this.oldValues = attrs;
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for (attr in attrs) {
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if (attr == "#text") this.newValues[attr] = elem.textContent;
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else this.newValues[attr] = elem.getAttribute(attr);
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}
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this.apply = function() {
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for( attr in this.newValues ) {
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if (this.newValues[attr]) {
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if (attr == "#text") this.elem.textContent = this.newValues[attr];
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else this.elem.setAttribute(attr, this.newValues[attr]);
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}
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else {
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if (attr != "#text") this.elem.textContent = "";
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else this.elem.removeAttribute(attr);
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}
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}
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return true;
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};
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this.unapply = function() {
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for( attr in this.oldValues ) {
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if (this.oldValues[attr]) {
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if (attr == "#text") this.elem.textContent = this.oldValues[attr];
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else this.elem.setAttribute(attr, this.oldValues[attr]);
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}
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else {
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if (attr == "#text") this.elem.textContent = "";
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else this.elem.removeAttribute(attr);
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}
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}
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return true;
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};
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this.elements = function() { return [this.elem]; }
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}
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function InsertElementCommand(elem, text) {
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this.elem = elem;
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this.text = text || ("Create " + elem.tagName);
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this.parent = elem.parentNode;
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this.apply = function() { this.elem = this.parent.insertBefore(this.elem, this.elem.nextSibling); };
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this.unapply = function() {
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this.parent = this.elem.parentNode;
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this.elem = this.elem.parentNode.removeChild(this.elem);
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};
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this.elements = function() { return [this.elem]; };
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}
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function RemoveElementCommand(elem, parent, text) {
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this.elem = elem;
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this.text = text || ("Delete " + elem.tagName);
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this.parent = parent;
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this.apply = function() {
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this.parent = this.elem.parentNode;
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this.elem = this.parent.removeChild(this.elem);
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};
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this.unapply = function() { this.elem = this.parent.insertBefore(this.elem, this.elem.nextSibling); };
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this.elements = function() { return [this.elem]; };
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}
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function MoveElementCommand(elem, oldNextSibling, oldParent, text) {
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this.elem = elem;
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this.text = text ? ("Move " + elem.tagName + " to " + text) : ("Move " + elem.tagName + "top/bottom");
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this.oldNextSibling = oldNextSibling;
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this.oldParent = oldParent;
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this.newNextSibling = elem.nextSibling;
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this.newParent = elem.parentNode;
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this.apply = function() {
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this.elem = this.newParent.insertBefore(this.elem, this.newNextSibling);
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};
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this.unapply = function() {
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this.elem = this.oldParent.insertBefore(this.elem, this.oldNextSibling);
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};
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this.elements = function() { return [this.elem]; };
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}
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// TODO: create a 'typing' command object that tracks changes in text
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// if a new Typing command is created and the top command on the stack is also a Typing
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// and they both affect the same element, then collapse the two commands into one
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// this command object acts an arbitrary number of subcommands
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function BatchCommand(text) {
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this.text = text || "Batch Command";
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this.stack = [];
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this.apply = function() {
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var len = this.stack.length;
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for (var i = 0; i < len; ++i) {
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this.stack[i].apply();
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}
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};
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this.unapply = function() {
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for (var i = this.stack.length-1; i >= 0; i--) {
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this.stack[i].unapply();
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}
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};
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this.elements = function() {
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// iterate through all our subcommands and find all the elements we are changing
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var elems = [];
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var cmd = this.stack.length;
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while (cmd--) {
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var thisElems = this.stack[cmd].elements();
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var elem = thisElems.length;
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while (elem--) {
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if (elems.indexOf(thisElems[elem]) == -1) elems.push(thisElems[elem]);
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}
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}
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return elems;
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};
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this.addSubCommand = function(cmd) { this.stack.push(cmd); };
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this.isEmpty = function() { return this.stack.length == 0; };
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}
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function SvgCanvas(c)
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{
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// private members
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// **************************************************************************************
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// FIXME: what's the right way to make this 'class' private to the SelectorManager?
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function Selector(id, elem) {
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// this is the selector's unique number
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this.id = id;
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// this holds a reference to the element for which this selector is being used
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this.selectedElement = elem;
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// this is a flag used internally to track whether the selector is being used or not
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this.locked = true;
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// this function is used to reset the id and element that the selector is attached to
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this.reset = function(e) {
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this.locked = true;
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this.selectedElement = e;
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this.resize();
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this.selectorGroup.setAttribute("display", "inline");
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};
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// this holds a reference to the <g> element that holds all visual elements of the selector
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this.selectorGroup = addSvgElementFromJson({ "element": "g",
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"attr": {"id": ("selectorGroup"+this.id)}
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});
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// this holds a reference to <rect> element
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this.selectorRect = this.selectorGroup.appendChild( addSvgElementFromJson({
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"element": "rect",
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"attr": {
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"id": ("selectedBox"+this.id),
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"fill": "none",
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"stroke": "blue",
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"stroke-width": "1",
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"stroke-dasharray": "5,5",
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"width": 1,
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"height": 1,
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// need to specify this so that the rect is not selectable
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"style": "pointer-events:none"
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}
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}) );
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// this holds a reference to the grip elements for this selector
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this.selectorGrips = { "nw":null,
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"n":null,
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"ne":null,
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"w":null,
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"e":null,
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"sw":null,
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"s":null,
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"se":null
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};
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// add the corner grips
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for (dir in this.selectorGrips) {
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this.selectorGrips[dir] = this.selectorGroup.appendChild(
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addSvgElementFromJson({
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"element": "rect",
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"attr": {
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"id": ("selectorGrip_" + dir + "_" + this.id),
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"fill": "blue",
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"width": 6,
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"height": 6,
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"style": ("cursor:" + dir + "-resize"),
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// when we are in rotate mode, we will set rx/ry to 3
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// "rx": 3,
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// "ry": 3,
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// This expands the mouse-able area of the grips making them
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// easier to grab with the mouse.
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// This works in Opera and WebKit, but does not work in Firefox
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// see https://bugzilla.mozilla.org/show_bug.cgi?id=500174
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"stroke-width": 2,
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"pointer-events":"all",
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"display":"none"
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}
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}) );
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$('#'+this.selectorGrips[dir].id).mousedown( function() {
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current_mode = "resize";
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current_resize_mode = this.id.substr(13,this.id.indexOf("_",13)-13);
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});
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}
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this.showGrips = function(show) {
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// TODO: use suspendRedraw() here
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for (dir in this.selectorGrips) {
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this.selectorGrips[dir].setAttribute("display", show ? "inline" : "none");
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}
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};
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this.resize = function(bbox) {
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var selectedBox = this.selectorRect;
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var selectedGrips = this.selectorGrips;
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var selected = this.selectedElement;
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var sw = parseInt(selected.getAttribute("stroke-width"));
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var offset = 1;
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if (!isNaN(sw)) {
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offset += sw/2;
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}
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if (selected.tagName == "text") {
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offset += 2;
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}
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var bbox = bbox || this.selectedElement.getBBox();
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var l=bbox.x-offset, t=bbox.y-offset, w=bbox.width+(offset<<1), h=bbox.height+(offset<<1);
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// TODO: use suspendRedraw() here
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selectedBox.x.baseVal.value = l;
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selectedBox.y.baseVal.value = t;
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selectedBox.width.baseVal.value = w;
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selectedBox.height.baseVal.value = h;
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selectedGrips.nw.x.baseVal.value = l-3;
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selectedGrips.nw.y.baseVal.value = t-3;
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selectedGrips.ne.x.baseVal.value = l+w-3;
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selectedGrips.ne.y.baseVal.value = t-3;
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selectedGrips.sw.x.baseVal.value = l-3;
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selectedGrips.sw.y.baseVal.value = t+h-3;
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selectedGrips.se.x.baseVal.value = l+w-3;
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selectedGrips.se.y.baseVal.value = t+h-3;
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selectedGrips.n.x.baseVal.value = l+w/2-3;
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selectedGrips.n.y.baseVal.value = t-3;
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selectedGrips.w.x.baseVal.value = l-3;
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selectedGrips.w.y.baseVal.value = t+h/2-3;
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selectedGrips.e.x.baseVal.value = l+w-3;
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selectedGrips.e.y.baseVal.value = t+h/2-3;
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selectedGrips.s.x.baseVal.value = l+w/2-3;
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selectedGrips.s.y.baseVal.value = t+h-3;
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};
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// now initialize the selector
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this.reset(elem);
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};
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function SelectorManager() {
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// this will hold the <g> element that contains all selector rects/grips
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this.selectorParentGroup = null;
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// this is a special rect that is used for multi-select
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this.rubberBandBox = null;
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// this will hold objects of type Selector (see above)
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this.selectors = [];
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// this holds a map of SVG elements to their Selector object
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this.selectorMap = {};
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// local reference to this object
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var mgr = this;
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// private function
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var initGroup = function() {
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mgr.selectorParentGroup = addSvgElementFromJson({
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"element": "g",
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"attr": {"id": "selectorParentGroup"}
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});
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};
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this.requestSelector = function(elem) {
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if (elem == null) return null;
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var N = this.selectors.length;
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if (this.selectorParentGroup == null) {
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initGroup();
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}
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// if we've already acquired one for this element, return it
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if (typeof(this.selectorMap[elem.id]) == "object") {
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this.selectorMap[elem.id].locked = true;
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return this.selectorMap[elem.id];
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}
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for (var i = 0; i < N; ++i) {
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if (this.selectors[i] && !this.selectors[i].locked) {
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this.selectors[i].locked = true;
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this.selectors[i].reset(elem);
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this.selectorMap[elem.id] = this.selectors[i];
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return this.selectors[i];
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}
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}
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// if we reached here, no available selectors were found, we create one
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this.selectors[N] = new Selector(N, elem);
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this.selectorParentGroup.appendChild(this.selectors[N].selectorGroup);
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this.selectorMap[elem.id] = this.selectors[N];
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return this.selectors[N];
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};
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this.releaseSelector = function(elem) {
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if (elem == null) return;
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var N = this.selectors.length;
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var sel = this.selectorMap[elem.id];
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for (var i = 0; i < N; ++i) {
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if (this.selectors[i] && this.selectors[i] == sel) {
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if (sel.locked == false) {
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console.log("WARNING! selector was released but was already unlocked");
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}
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delete this.selectorMap[elem.id];
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sel.locked = false;
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sel.selectedElement = null;
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sel.showGrips(false);
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// remove from DOM and store reference in JS but only if it exists in the DOM
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try {
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sel.selectorGroup.setAttribute("display", "none");
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} catch(e) { }
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break;
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}
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}
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};
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// this keeps the selector groups as the last child in the document
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this.update = function() {
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if (this.selectorParentGroup == null) {
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initGroup();
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}
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this.selectorParentGroup = svgroot.appendChild(this.selectorParentGroup);
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}
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this.getRubberBandBox = function() {
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if (this.selectorParentGroup == null) {
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initGroup();
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}
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if (this.rubberBandBox == null) {
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this.rubberBandBox = this.selectorParentGroup.appendChild(
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addSvgElementFromJson({ "element": "rect",
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"attr": {
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"id": "selectorRubberBand",
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"fill": "blue",
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"fill-opacity": 0.15,
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"stroke": "blue",
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"stroke-width": 0.5,
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"display": "none",
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"style": "pointer-events:none"
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}
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}));
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}
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return this.rubberBandBox;
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}
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}
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// **************************************************************************************
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var canvas = this;
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var container = c;
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var svgns = "http://www.w3.org/2000/svg";
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var idprefix = "svg_";
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var svgdoc = c.ownerDocument;
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var svgroot = svgdoc.createElementNS(svgns, "svg");
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svgroot.setAttribute("width", 640);
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svgroot.setAttribute("height", 480);
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svgroot.setAttribute("id", "svgroot");
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svgroot.setAttribute("xmlns", svgns);
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container.appendChild(svgroot);
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var d_attr = null;
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var started = false;
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var obj_num = 1;
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var start_x = null;
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var start_y = null;
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var current_mode = "select";
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var current_resize_mode = "none";
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var current_fill = "none";
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var current_stroke = "#000000";
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var current_stroke_paint = null;
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var current_fill_paint = null;
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var current_stroke_width = 1;
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var current_stroke_style = "none";
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var current_opacity = 1;
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var current_stroke_opacity = 1;
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var current_fill_opacity = 1;
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var current_font_size = "12pt";
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var current_font_family = "serif";
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var freehand_min_x = null;
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var freehand_max_x = null;
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var freehand_min_y = null;
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var freehand_max_y = null;
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// this will hold all the currently selected elements
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// default size of 1 until it needs to grow bigger
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var selectedElements = new Array(1);
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// this holds the selected's bbox
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var selectedBBoxes = new Array(1);
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// this object manages selectors for us
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var selectorManager = new SelectorManager();
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var rubberBox = null;
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var events = {};
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var undoStackPointer = 0;
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var undoStack = [];
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// this holds all the currently copied elements
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var copiedElements = new Array(1);
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// This method sends back an array or a NodeList full of elements that
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// intersect the multi-select rubber-band-box.
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//
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// Since the only browser that supports the SVG DOM getIntersectionList is Opera,
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// we need to provide an implementation here. We brute-force it for now.
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//
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// Reference:
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// Firefox does not implement getIntersectionList(), see https://bugzilla.mozilla.org/show_bug.cgi?id=501421
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// Webkit does not implement getIntersectionList(), see https://bugs.webkit.org/show_bug.cgi?id=11274
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var getIntersectionList = function(rect) {
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if (rubberBox == null) { return null; }
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var resultList = null;
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try {
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resultList = svgroot.getIntersectionList(rect, null);
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} catch(e) { }
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if (resultList == null || typeof(resultList.item) != "function")
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{
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resultList = [];
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var rubberBBox = rubberBox.getBBox();
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var nodes = svgroot.childNodes;
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var i = svgroot.childNodes.length;
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while (i--) {
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// need to do this since the defs has no bbox and causes an exception
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// to be thrown in Mozilla
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try {
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// if (nodes[i].tagName == "defs") continue;
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if (nodes[i].id != "selectorParentGroup" &&
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Utils.rectsIntersect(rubberBBox, nodes[i].getBBox()))
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{
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resultList.push(nodes[i]);
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}
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} catch(e) {
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// do nothing, this element did not have a bbox
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}
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}
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}
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// addToSelection expects an array, but it's ok to pass a NodeList
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// because using square-bracket notation is allowed:
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// http://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html
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return resultList;
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};
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// FIXME: we MUST compress consecutive text changes to the same element
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// (right now each keystroke is saved as a separate command that includes the
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|
// entire text contents of the text element)
|
|
// TODO: consider limiting the history that we store here (need to do some slicing)
|
|
var addCommandToHistory = function(cmd) {
|
|
// if our stack pointer is not at the end, then we have to remove
|
|
// all commands after the pointer and insert the new command
|
|
if (undoStackPointer < undoStack.length && undoStack.length > 0) {
|
|
undoStack = undoStack.splice(0, undoStackPointer);
|
|
}
|
|
undoStack.push(cmd);
|
|
undoStackPointer = undoStack.length;
|
|
};
|
|
|
|
// private functions
|
|
var getId = function() {
|
|
if (events["getid"]) return call("getid", obj_num);
|
|
return idprefix + obj_num;
|
|
};
|
|
|
|
var getNextId = function() {
|
|
// ensure the ID does not exist
|
|
var id = getId();
|
|
while (svgdoc.getElementById(id)) {
|
|
obj_num++;
|
|
id = getId();
|
|
}
|
|
return id;
|
|
};
|
|
|
|
var call = function(event, arg) {
|
|
if (events[event]) {
|
|
return events[event](this,arg);
|
|
}
|
|
};
|
|
|
|
var assignAttributes = function(node, attrs) {
|
|
var handle = svgroot.suspendRedraw(60);
|
|
for (i in attrs) {
|
|
node.setAttributeNS(null, i, attrs[i]);
|
|
}
|
|
svgroot.unsuspendRedraw(handle);
|
|
};
|
|
|
|
// remove unneeded attributes
|
|
// makes resulting SVG smaller
|
|
var cleanupElement = function(element) {
|
|
var handle = svgroot.suspendRedraw(60);
|
|
if (element.getAttribute('fill-opacity') == '1')
|
|
element.removeAttribute('fill-opacity');
|
|
if (element.getAttribute('opacity') == '1')
|
|
element.removeAttribute('opacity');
|
|
if (element.getAttribute('stroke') == 'none')
|
|
element.removeAttribute('stroke');
|
|
if (element.getAttribute('stroke-dasharray') == 'none')
|
|
element.removeAttribute('stroke-dasharray');
|
|
if (element.getAttribute('stroke-opacity') == '1')
|
|
element.removeAttribute('stroke-opacity');
|
|
if (element.getAttribute('stroke-width') == '1')
|
|
element.removeAttribute('stroke-width');
|
|
if (element.getAttribute('rx') == '0')
|
|
element.removeAttribute('rx')
|
|
if (element.getAttribute('ry') == '0')
|
|
element.removeAttribute('ry')
|
|
svgroot.unsuspendRedraw(handle);
|
|
};
|
|
|
|
var addSvgElementFromJson = function(data) {
|
|
return canvas.updateElementFromJson(data)
|
|
};
|
|
|
|
// this function sanitizes the input node and its children
|
|
// this function only keeps what is allowed from our whitelist defined above
|
|
var sanitizeSvg = function(node) {
|
|
// we only care about element nodes
|
|
// automatically return for all comment, etc nodes
|
|
// for text, we do a whitespace trim
|
|
if (node.nodeType == 3) {
|
|
node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, "");
|
|
}
|
|
if (node.nodeType != 1) return;
|
|
|
|
var doc = node.ownerDocument;
|
|
var parent = node.parentNode;
|
|
// can parent ever be null here? I think the root node's parent is the document...
|
|
if (!doc || !parent) return;
|
|
|
|
var allowedAttrs = svgWhiteList[node.nodeName];
|
|
// if this element is allowed
|
|
if (allowedAttrs != undefined) {
|
|
var i = node.attributes.length;
|
|
while (i--) {
|
|
// if the attribute is not in our whitelist, then remove it
|
|
// could use jQuery's inArray(), but I don't know if that's any better
|
|
var attrName = node.attributes.item(i).nodeName;
|
|
if (allowedAttrs.indexOf(attrName) == -1) {
|
|
// TODO: do I need to call setAttribute(..., "") here for Fx2?
|
|
node.removeAttribute(attrName);
|
|
}
|
|
}
|
|
|
|
// recurse to children
|
|
i = node.childNodes.length;
|
|
while (i--) { sanitizeSvg(node.childNodes.item(i)); }
|
|
}
|
|
// else, remove this element
|
|
else {
|
|
// remove all children from this node and insert them before this node
|
|
var children = [];
|
|
while (node.hasChildNodes()) {
|
|
children.push(parent.insertBefore(node.firstChild, node));
|
|
}
|
|
|
|
// remove this node from the document altogether
|
|
parent.removeChild(node);
|
|
|
|
// call sanitizeSvg on each of those children
|
|
var i = children.length;
|
|
while (i--) { sanitizeSvg(children[i]); }
|
|
|
|
}
|
|
};
|
|
|
|
var svgToString = function(elem, indent) {
|
|
var out = new Array();
|
|
if (elem) {
|
|
var attrs = elem.attributes;
|
|
var attr;
|
|
var i;
|
|
var childs = elem.childNodes;
|
|
for (i=0; i<indent; i++) out.push(" ");
|
|
out.push("<"); out.push(elem.nodeName);
|
|
for (i=attrs.length-1; i>=0; i--) {
|
|
attr = attrs.item(i);
|
|
if (attr.nodeValue != "") {
|
|
out.push(" "); out.push(attr.nodeName); out.push("=\"");
|
|
out.push(attr.nodeValue); out.push("\"");
|
|
}
|
|
}
|
|
if (elem.hasChildNodes()) {
|
|
out.push(">");
|
|
indent++;
|
|
var bOneLine = false;
|
|
for (i=0; i<childs.length; i++)
|
|
{
|
|
var child = childs.item(i);
|
|
if (child.id == "selectorParentGroup") continue;
|
|
switch(child.nodeType) {
|
|
case 1: // element node
|
|
out.push("\n");
|
|
out.push(svgToString(childs.item(i), indent));
|
|
break;
|
|
case 3: // text node
|
|
var str = child.nodeValue.replace(/^\s+|\s+$/g, "");
|
|
if (str != "") {
|
|
bOneLine = true;
|
|
out.push(str + "");
|
|
}
|
|
break;
|
|
case 8: // comment
|
|
out.push("\n");
|
|
out.push(new Array(indent+1).join(" "));
|
|
out.push("<!--");
|
|
out.push(child.data);
|
|
out.push("-->");
|
|
break;
|
|
} // switch on node type
|
|
}
|
|
indent--;
|
|
if (!bOneLine) {
|
|
out.push("\n");
|
|
for (i=0; i<indent; i++) out.push(" ");
|
|
}
|
|
out.push("</"); out.push(elem.nodeName); out.push(">");
|
|
} else {
|
|
out.push("/>");
|
|
}
|
|
}
|
|
return out.join('');
|
|
}; // end svgToString()
|
|
|
|
var recalculateAllSelectedDimensions = function() {
|
|
var text = (current_resize_mode == "none" ? "position" : "size");
|
|
var batchCmd = new BatchCommand(text);
|
|
|
|
var i = selectedElements.length;
|
|
while(i--) {
|
|
var cmd = recalculateSelectedDimensions(i);
|
|
if (cmd) {
|
|
batchCmd.addSubCommand(cmd);
|
|
}
|
|
}
|
|
|
|
if (!batchCmd.isEmpty()) {
|
|
addCommandToHistory(batchCmd);
|
|
call("changed", selectedElements);
|
|
}
|
|
};
|
|
|
|
// this function returns the command which resulted from th selected change
|
|
var recalculateSelectedDimensions = function(i) {
|
|
var selected = selectedElements[i];
|
|
if (selected == null) return null;
|
|
var selectedBBox = selectedBBoxes[i];
|
|
var box = selected.getBBox();
|
|
|
|
// if we have not moved/resized, then immediately leave
|
|
if (box.x == selectedBBox.x && box.y == selectedBBox.y &&
|
|
box.width == selectedBBox.width && box.height == selectedBBox.height) {
|
|
return null;
|
|
}
|
|
|
|
// after this point, we have some change to this element
|
|
|
|
var remapx = function(x) {return ((x-box.x)/box.width)*selectedBBox.width + selectedBBox.x;}
|
|
var remapy = function(y) {return ((y-box.y)/box.height)*selectedBBox.height + selectedBBox.y;}
|
|
var scalew = function(w) {return w*selectedBBox.width/box.width;}
|
|
var scaleh = function(h) {return h*selectedBBox.height/box.height;}
|
|
|
|
var changes = {};
|
|
|
|
// This fixes Firefox 2- behavior - which does not reset values when
|
|
// the attribute has been removed
|
|
// see https://bugzilla.mozilla.org/show_bug.cgi?id=320622
|
|
selected.setAttribute("transform", "");
|
|
selected.removeAttribute("transform");
|
|
switch (selected.tagName)
|
|
{
|
|
case "path":
|
|
// extract the x,y from the path, adjust it and write back the new path
|
|
// but first, save the old path
|
|
changes["d"] = selected.getAttribute("d");
|
|
var M = selected.pathSegList.getItem(0);
|
|
var curx = M.x, cury = M.y;
|
|
var newd = "M" + remapx(curx) + "," + remapy(cury);
|
|
var segList = selected.pathSegList;
|
|
var len = segList.numberOfItems;
|
|
for (var i = 1; i < len; ++i) {
|
|
var l = segList.getItem(i);
|
|
var x = l.x, y = l.y;
|
|
// webkit browsers normalize things and this becomes an absolute
|
|
// line segment! we need to turn this back into a rel line segment
|
|
// see https://bugs.webkit.org/show_bug.cgi?id=26487
|
|
if (l.pathSegType == 4) {
|
|
x -= curx;
|
|
y -= cury;
|
|
curx += x;
|
|
cury += y;
|
|
}
|
|
// we only need to scale the relative coordinates (no need to translate)
|
|
newd += " l" + scalew(x) + "," + scaleh(y);
|
|
}
|
|
selected.setAttributeNS(null, "d", newd);
|
|
break;
|
|
case "line":
|
|
changes["x1"] = selected.x1.baseVal.value;
|
|
changes["y1"] = selected.y1.baseVal.value;
|
|
changes["x2"] = selected.x2.baseVal.value;
|
|
changes["y2"] = selected.y2.baseVal.value;
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
selected.x1.baseVal.value = remapx(selected.x1.baseVal.value);
|
|
selected.y1.baseVal.value = remapy(selected.y1.baseVal.value);
|
|
selected.x2.baseVal.value = remapx(selected.x2.baseVal.value);
|
|
selected.y2.baseVal.value = remapy(selected.y2.baseVal.value);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "circle":
|
|
changes["cx"] = selected.cx.baseVal.value;
|
|
changes["cy"] = selected.cy.baseVal.value;
|
|
changes["r"] = selected.r.baseVal.value;
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
selected.cx.baseVal.value = remapx(selected.cx.baseVal.value);
|
|
selected.cy.baseVal.value = remapy(selected.cy.baseVal.value);
|
|
// take the minimum of the new selected box's dimensions for the new circle radius
|
|
selected.r.baseVal.value = Math.min(selectedBBox.width/2,selectedBBox.height/2);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "ellipse":
|
|
changes["cx"] = selected.cx.baseVal.value;
|
|
changes["cy"] = selected.cy.baseVal.value;
|
|
changes["rx"] = selected.rx.baseVal.value;
|
|
changes["ry"] = selected.ry.baseVal.value;
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
selected.cx.baseVal.value = remapx(selected.cx.baseVal.value);
|
|
selected.cy.baseVal.value = remapy(selected.cy.baseVal.value);
|
|
selected.rx.baseVal.value = scalew(selected.rx.baseVal.value);
|
|
selected.ry.baseVal.value = scaleh(selected.ry.baseVal.value);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "text":
|
|
// cannot use x.baseVal.value here because x is a SVGLengthList
|
|
changes["x"] = selected.getAttribute("x");
|
|
changes["y"] = selected.getAttribute("y");
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
selected.setAttribute("x", remapx(selected.getAttribute("x")));
|
|
selected.setAttribute("y", remapy(selected.getAttribute("y")));
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "rect":
|
|
changes["x"] = selected.x.baseVal.value;
|
|
changes["y"] = selected.y.baseVal.value;
|
|
changes["width"] = selected.width.baseVal.value;
|
|
changes["height"] = selected.height.baseVal.value;
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
selected.x.baseVal.value = remapx(selected.x.baseVal.value);
|
|
selected.y.baseVal.value = remapy(selected.y.baseVal.value);
|
|
selected.width.baseVal.value = scalew(selected.width.baseVal.value);
|
|
selected.height.baseVal.value = scaleh(selected.height.baseVal.value);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
default: // rect
|
|
console.log("Unknown shape type: " + selected.tagName);
|
|
break;
|
|
}
|
|
if (changes) {
|
|
return new ChangeElementCommand(selected, changes);
|
|
}
|
|
};
|
|
|
|
// public events
|
|
|
|
this.clearSelection = function() {
|
|
if (selectedElements[0] == null) { return; }
|
|
var len = selectedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
var elem = selectedElements[i];
|
|
if (elem == null) break;
|
|
selectorManager.releaseSelector(elem);
|
|
selectedElements[i] = null;
|
|
selectedBBoxes[i] = null;
|
|
}
|
|
call("selected", selectedElements);
|
|
};
|
|
|
|
this.addToSelection = function(elemsToAdd) {
|
|
if (elemsToAdd.length == 0) { return; }
|
|
|
|
// find the first null in our selectedElements array
|
|
var j = 0;
|
|
while (j < selectedElements.length) {
|
|
if (selectedElements[j] == null) {
|
|
break;
|
|
}
|
|
++j;
|
|
}
|
|
|
|
// now add each element consecutively
|
|
var i = elemsToAdd.length;
|
|
while (i--) {
|
|
var elem = elemsToAdd[i];
|
|
// we ignore any selectors
|
|
if (elem.id.substr(0,13) == "selectorGrip_") continue;
|
|
// if it's not already there, add it
|
|
if (selectedElements.indexOf(elem) == -1) {
|
|
selectedElements[j] = elem;
|
|
selectedBBoxes[j++] = elem.getBBox();
|
|
selectorManager.requestSelector(elem);
|
|
call("selected", selectedElements);
|
|
}
|
|
}
|
|
};
|
|
|
|
//
|
|
this.removeFromSelection = function(elemsToRemove) {
|
|
if (selectedElements[0] == null) { return; }
|
|
if (elemsToRemove.length == 0) { return; }
|
|
|
|
// find every element and remove it from our array copy
|
|
var newSelectedItems = new Array(selectedElements.length);
|
|
var j = 0;
|
|
var len = selectedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
var elem = selectedElements[i];
|
|
if (elem) {
|
|
// keep the item
|
|
if (elemsToRemove.indexOf(elem) == -1) {
|
|
newSelectedItems[j++] = elem;
|
|
}
|
|
else { // remove the item and its selector
|
|
selectorManager.releaseSelector(elem);
|
|
}
|
|
}
|
|
}
|
|
// the copy becomes the master now
|
|
selectedElements = newSelectedItems;
|
|
};
|
|
|
|
// in mouseDown :
|
|
// - when we are in a create mode, the element is added to the canvas
|
|
// but the action is not recorded until mousing up
|
|
// - when we are in select mode, select the element, remember the position
|
|
// and do nothing else
|
|
var mouseDown = function(evt)
|
|
{
|
|
var x = evt.pageX - container.parentNode.offsetLeft + container.parentNode.scrollLeft;
|
|
var y = evt.pageY - container.parentNode.offsetTop + container.parentNode.scrollTop;
|
|
switch (current_mode) {
|
|
case "select":
|
|
started = true;
|
|
start_x = x;
|
|
start_y = y;
|
|
current_resize_mode = "none";
|
|
var t = evt.target;
|
|
// WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>
|
|
var nodeName = t.nodeName.toLowerCase();
|
|
if (nodeName != "div" && nodeName != "svg") {
|
|
// if this element is not yet selected, clear selection and select it
|
|
if (selectedElements.indexOf(t) == -1) {
|
|
canvas.clearSelection();
|
|
canvas.addToSelection([t]);
|
|
}
|
|
// else the user is going to manipulate the selected elements
|
|
}
|
|
else {
|
|
canvas.clearSelection();
|
|
current_mode = "multiselect";
|
|
if (rubberBox == null) {
|
|
rubberBox = selectorManager.getRubberBandBox();
|
|
}
|
|
rubberBox.x.baseVal.value = start_x;
|
|
rubberBox.y.baseVal.value = start_y;
|
|
rubberBox.width.baseVal.value = 0;
|
|
rubberBox.height.baseVal.value = 0;
|
|
rubberBox.setAttribute("display", "inline");
|
|
}
|
|
break;
|
|
case "resize":
|
|
started = true;
|
|
start_x = x;
|
|
start_y = y;
|
|
break;
|
|
case "fhellipse":
|
|
case "fhrect":
|
|
case "path":
|
|
started = true;
|
|
start_x = x;
|
|
start_y = y;
|
|
d_attr = "M" + x + "," + y + " ";
|
|
addSvgElementFromJson({
|
|
"element": "path",
|
|
"attr": {
|
|
"d": d_attr,
|
|
"id": getNextId(),
|
|
"fill": "none",
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"opacity": current_opacity / 2
|
|
}
|
|
});
|
|
freehand_min_x = x;
|
|
freehand_max_x = x;
|
|
freehand_min_y = y;
|
|
freehand_max_y = y;
|
|
break;
|
|
case "square":
|
|
// FIXME: once we create the rect, we lose information that this was a square
|
|
// (for resizing purposes this is important)
|
|
case "rect":
|
|
started = true;
|
|
start_x = x;
|
|
start_y = y;
|
|
addSvgElementFromJson({
|
|
"element": "rect",
|
|
"attr": {
|
|
"x": x,
|
|
"y": y,
|
|
"width": 0,
|
|
"height": 0,
|
|
"id": getNextId(),
|
|
"fill": current_fill,
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill-opacity": current_fill_opacity,
|
|
"opacity": current_opacity / 2
|
|
}
|
|
});
|
|
break;
|
|
case "line":
|
|
started = true;
|
|
addSvgElementFromJson({
|
|
"element": "line",
|
|
"attr": {
|
|
"x1": x,
|
|
"y1": y,
|
|
"x2": x,
|
|
"y2": y,
|
|
"id": getNextId(),
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill": "none",
|
|
"opacity": current_opacity / 2
|
|
}
|
|
});
|
|
break;
|
|
case "circle":
|
|
started = true;
|
|
addSvgElementFromJson({
|
|
"element": "circle",
|
|
"attr": {
|
|
"cx": x,
|
|
"cy": y,
|
|
"r": 0,
|
|
"id": getNextId(),
|
|
"fill": current_fill,
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill-opacity": current_fill_opacity,
|
|
"opacity": current_opacity / 2
|
|
}
|
|
});
|
|
break;
|
|
case "ellipse":
|
|
started = true;
|
|
addSvgElementFromJson({
|
|
"element": "ellipse",
|
|
"attr": {
|
|
"cx": x,
|
|
"cy": y,
|
|
"rx": 0,
|
|
"ry": 0,
|
|
"id": getNextId(),
|
|
"fill": current_fill,
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill-opacity": current_fill_opacity,
|
|
"opacity": current_opacity / 2
|
|
}
|
|
});
|
|
break;
|
|
case "text":
|
|
started = true;
|
|
var newText = addSvgElementFromJson({
|
|
"element": "text",
|
|
"attr": {
|
|
"x": x,
|
|
"y": y,
|
|
"id": getNextId(),
|
|
"fill": current_fill,
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill-opacity": current_fill_opacity,
|
|
// fix for bug where text elements were always 50% opacity
|
|
"opacity": current_opacity,
|
|
"font-size": current_font_size,
|
|
"font-family": current_font_family
|
|
}
|
|
});
|
|
newText.textContent = "text";
|
|
break;
|
|
}
|
|
};
|
|
|
|
// in mouseMove we do not record any state changes yet (but we do update
|
|
// any elements that are still being created, moved or resized on the canvas)
|
|
// TODO: svgcanvas should just retain a reference to the image being dragged instead
|
|
// of the getId() and getElementById() funkiness - this will help us customize the ids
|
|
// a little bit for squares and polys
|
|
var mouseMove = function(evt)
|
|
{
|
|
if (!started) return;
|
|
var selected = selectedElements[0];
|
|
var x = evt.pageX - container.parentNode.offsetLeft + container.parentNode.scrollLeft;
|
|
var y = evt.pageY - container.parentNode.offsetTop + container.parentNode.scrollTop;
|
|
var shape = svgdoc.getElementById(getId());
|
|
switch (current_mode)
|
|
{
|
|
case "select":
|
|
// we temporarily use a translate on the element being dragged
|
|
// this transform is removed upon mousing up and the element is
|
|
// relocated to the new location
|
|
if (selectedElements[0] != null) {
|
|
var dx = x - start_x;
|
|
var dy = y - start_y;
|
|
var ts = ["translate(",dx,",",dy,")"].join('');
|
|
var len = selectedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
var selected = selectedElements[i];
|
|
if (selected == null) break;
|
|
selected.setAttribute("transform", ts);
|
|
var box = selected.getBBox();
|
|
box.x += dx; box.y += dy;
|
|
selectorManager.requestSelector(selected).resize(box);
|
|
selectedBBoxes[i] = box;
|
|
}
|
|
}
|
|
break;
|
|
case "multiselect":
|
|
rubberBox.x.baseVal.value = Math.min(start_x,x);
|
|
rubberBox.y.baseVal.value = Math.min(start_y,y);
|
|
rubberBox.width.baseVal.value = Math.abs(x-start_x);
|
|
rubberBox.height.baseVal.value = Math.abs(y-start_y);
|
|
|
|
// this code will probably be faster than using getIntersectionList(), but
|
|
// not as accurate (only grabs an element if the mouse happens to pass over
|
|
// its bbox and elements would never be released from selection)
|
|
// var nodeName = evt.target.nodeName.toLowerCase();
|
|
// if (nodeName != "div" && nodeName != "svg") {
|
|
// canvas.addToSelection([evt.target]);
|
|
// }
|
|
|
|
// clear out selection and set it to the new list
|
|
canvas.clearSelection();
|
|
canvas.addToSelection(getIntersectionList());
|
|
|
|
/*
|
|
// for each selected:
|
|
// - if newList contains selected, do nothing
|
|
// - if newList doesn't contain selected, remove it from selected
|
|
// - for any newList that was not in selectedElements, add it to selected
|
|
var elemsToRemove = [];
|
|
var newList = getIntersectionList();
|
|
var len = selectedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
var ind = newList.indexOf(selectedElements[i]);
|
|
if (ind == -1) {
|
|
elemsToRemove.push(selectedElements[i]);
|
|
}
|
|
else {
|
|
newList[ind] = null;
|
|
}
|
|
}
|
|
if (elemsToRemove.length > 0)
|
|
canvas.removeFromSelection(elemsToRemove);
|
|
*/
|
|
break;
|
|
case "resize":
|
|
// we track the resize bounding box and translate/scale the selected element
|
|
// while the mouse is down, when mouse goes up, we use this to recalculate
|
|
// the shape's coordinates
|
|
var box=selected.getBBox(), left=box.x, top=box.y, width=box.width,
|
|
height=box.height, dx=(x-start_x), dy=(y-start_y);
|
|
var tx=0, ty=0, sx=1, sy=1;
|
|
var ts = null;
|
|
if(current_resize_mode.indexOf("n") != -1) {
|
|
ty = dy;
|
|
sy = (height-dy)/height;
|
|
}
|
|
else if(current_resize_mode.indexOf("s") != -1) {
|
|
sy = (height+dy)/height;
|
|
}
|
|
if(current_resize_mode.indexOf("e") != -1) {
|
|
sx = (width+dx)/width;
|
|
}
|
|
else if(current_resize_mode.indexOf("w") != -1) {
|
|
tx = dx;
|
|
sx = (width-dx)/width;
|
|
}
|
|
|
|
var selectedBBox = selectedBBoxes[0];
|
|
selectedBBox.x = left+tx;
|
|
selectedBBox.y = top+ty;
|
|
selectedBBox.width = width*sx;
|
|
selectedBBox.height = height*sy;
|
|
// normalize selectedBBox
|
|
if (selectedBBox.width < 0) {
|
|
selectedBBox.x += selectedBBox.width;
|
|
selectedBBox.width = -selectedBBox.width;
|
|
}
|
|
if (selectedBBox.height < 0) {
|
|
selectedBBox.y += selectedBBox.height;
|
|
selectedBBox.height = -selectedBBox.height;
|
|
}
|
|
|
|
selected.setAttribute("transform", ("translate(" + (left+tx) + "," + (top+ty) +
|
|
") scale(" + (sx) + "," + (sy) + ") translate(" + (-left) + "," + (-top) + ")"));
|
|
selectorManager.requestSelector(selected).resize(selectedBBox);
|
|
break;
|
|
case "text":
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
shape.setAttribute("x", x);
|
|
shape.setAttribute("y", y);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "line":
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
shape.setAttributeNS(null, "x2", x);
|
|
shape.setAttributeNS(null, "y2", y);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "square":
|
|
var size = Math.max( Math.abs(x - start_x), Math.abs(y - start_y) );
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
shape.setAttributeNS(null, "width", size);
|
|
shape.setAttributeNS(null, "height", size);
|
|
shape.setAttributeNS(null, "x", start_x < x ? start_x : start_x - size);
|
|
shape.setAttributeNS(null, "y", start_y < y ? start_y : start_y - size);
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "rect":
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
shape.setAttributeNS(null, "x", Math.min(start_x,x));
|
|
shape.setAttributeNS(null, "y", Math.min(start_y,y));
|
|
shape.setAttributeNS(null, "width", Math.abs(x-start_x));
|
|
shape.setAttributeNS(null, "height", Math.abs(y-start_y));
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "circle":
|
|
var cx = shape.getAttributeNS(null, "cx");
|
|
var cy = shape.getAttributeNS(null, "cy");
|
|
var rad = Math.sqrt( (x-cx)*(x-cx) + (y-cy)*(y-cy) );
|
|
shape.setAttributeNS(null, "r", rad);
|
|
break;
|
|
case "ellipse":
|
|
var cx = shape.getAttributeNS(null, "cx");
|
|
var cy = shape.getAttributeNS(null, "cy");
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
shape.setAttributeNS(null, "rx", Math.abs(x - cx) );
|
|
shape.setAttributeNS(null, "ry", Math.abs(y - cy) );
|
|
svgroot.unsuspendRedraw(handle);
|
|
break;
|
|
case "fhellipse":
|
|
case "fhrect":
|
|
freehand_min_x = Math.min(x, freehand_min_x);
|
|
freehand_max_x = Math.max(x, freehand_max_x);
|
|
freehand_min_y = Math.min(y, freehand_min_y);
|
|
freehand_max_y = Math.max(y, freehand_max_y);
|
|
// break; missing on purpose
|
|
case "path":
|
|
var dx = x - start_x;
|
|
var dy = y - start_y;
|
|
start_x = x;
|
|
start_y = y;
|
|
d_attr += "l" + dx + "," + dy + " ";
|
|
shape.setAttributeNS(null, "d", d_attr);
|
|
break;
|
|
}
|
|
// TODO: should we fire the change event here? I'm thinking only fire
|
|
// this event when the user mouses up. That's when the action (create,
|
|
// move, resize, draw) has finished
|
|
// Only question is whether in Wave Gadget mode whether we want to see the
|
|
// person live-dragging the element around (for instance)
|
|
// call("changed", selected);
|
|
};
|
|
|
|
// - in create mode, the element's opacity is set properly, we create an InsertElementCommand
|
|
// and store it on the Undo stack
|
|
// - in move/resize mode, the element's attributes which were affected by the move/resize are
|
|
// identified, a ChangeElementCommand is created and stored on the stack for those attrs
|
|
// this is done in when we recalculate the selected dimensions()
|
|
var mouseUp = function(evt)
|
|
{
|
|
if (!started) return;
|
|
|
|
started = false;
|
|
var element = svgdoc.getElementById(getId());
|
|
var keep = false;
|
|
switch (current_mode)
|
|
{
|
|
// intentionally fall-through to select here
|
|
case "resize":
|
|
case "multiselect":
|
|
if (rubberBox != null) {
|
|
rubberBox.setAttribute("display", "none");
|
|
}
|
|
current_mode = "select";
|
|
case "select":
|
|
if (selectedElements[0] != null) {
|
|
// if we only have one selected element
|
|
if (selectedElements[1] == null) {
|
|
// set our current stroke/fill properties to the element's
|
|
var selected = selectedElements[0];
|
|
current_fill = selected.getAttribute("fill");
|
|
current_fill_opacity = selected.getAttribute("fill-opacity");
|
|
current_stroke = selected.getAttribute("stroke");
|
|
current_stroke_opacity = selected.getAttribute("stroke-opacity");
|
|
current_stroke_width = selected.getAttribute("stroke-width");
|
|
current_stroke_style = selected.getAttribute("stroke-dasharray");
|
|
if (selected.tagName == "text") {
|
|
current_font_size = selected.getAttribute("font-size");
|
|
current_font_family = selected.getAttribute("font-family");
|
|
}
|
|
|
|
selectorManager.requestSelector(selected).showGrips(selected.tagName != "text");
|
|
}
|
|
recalculateAllSelectedDimensions();
|
|
var len = selectedElements.length;
|
|
for(var i = 0; i < len; ++i) {
|
|
if (selectedElements[i] == null) break;
|
|
selectorManager.requestSelector(selectedElements[i]).resize(selectedBBoxes[i]);
|
|
}
|
|
}
|
|
// we return immediately from select so that the obj_num is not incremented
|
|
return;
|
|
break;
|
|
case "path":
|
|
keep = true;
|
|
break;
|
|
case "line":
|
|
keep = (element.getAttribute('x1') != element.getAttribute('x2') ||
|
|
element.getAttribute('y1') == element.getAttribute('y2'));
|
|
break;
|
|
case "square":
|
|
case "rect":
|
|
keep = (element.getAttribute('width') != 0 ||
|
|
element.getAttribute('height') != 0);
|
|
break;
|
|
case "circle":
|
|
keep = (element.getAttribute('r') != 0);
|
|
break;
|
|
case "ellipse":
|
|
keep = (element.getAttribute('rx') != 0 ||
|
|
element.getAttribute('ry') != 0);
|
|
break;
|
|
case "fhellipse":
|
|
if ((freehand_max_x - freehand_min_x) > 0 &&
|
|
(freehand_max_y - freehand_min_y) > 0) {
|
|
element = addSvgElementFromJson({
|
|
"element": "ellipse",
|
|
"attr": {
|
|
"cx": (freehand_min_x + freehand_max_x) / 2,
|
|
"cy": (freehand_min_y + freehand_max_y) / 2,
|
|
"rx": (freehand_max_x - freehand_min_x) / 2,
|
|
"ry": (freehand_max_y - freehand_min_y) / 2,
|
|
"id": getId(),
|
|
"fill": current_fill,
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"opacity": current_opacity,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill-opacity": current_fill_opacity
|
|
}
|
|
});
|
|
call("changed",[element]);
|
|
keep = true;
|
|
}
|
|
break;
|
|
case "fhrect":
|
|
if ((freehand_max_x - freehand_min_x) > 0 &&
|
|
(freehand_max_y - freehand_min_y) > 0) {
|
|
element = addSvgElementFromJson({
|
|
"element": "rect",
|
|
"attr": {
|
|
"x": freehand_min_x,
|
|
"y": freehand_min_y,
|
|
"width": (freehand_max_x - freehand_min_x),
|
|
"height": (freehand_max_y - freehand_min_y),
|
|
"id": getId(),
|
|
"fill": current_fill,
|
|
"stroke": current_stroke,
|
|
"stroke-width": current_stroke_width,
|
|
"stroke-dasharray": current_stroke_style,
|
|
"opacity": current_opacity,
|
|
"stroke-opacity": current_stroke_opacity,
|
|
"fill-opacity": current_fill_opacity
|
|
}
|
|
});
|
|
call("changed",[element]);
|
|
keep = true;
|
|
}
|
|
break;
|
|
case "text":
|
|
keep = true;
|
|
canvas.clearSelection();
|
|
canvas.addToSelection([element]);
|
|
break;
|
|
}
|
|
d_attr = null;
|
|
if (!keep && element != null) {
|
|
element.parentNode.removeChild(element);
|
|
element = null;
|
|
} else if (element != null) {
|
|
element.setAttribute("opacity", current_opacity);
|
|
cleanupElement(element);
|
|
selectorManager.update();
|
|
// we create the insert command that is stored on the stack
|
|
// undo means to call cmd.unapply(), redo means to call cmd.apply()
|
|
addCommandToHistory(new InsertElementCommand(element));
|
|
call("changed",[element]);
|
|
}
|
|
};
|
|
|
|
// public functions
|
|
|
|
this.save = function() {
|
|
// remove the selected outline before serializing
|
|
this.clearSelection();
|
|
var str = "<?xml version=\"1.0\" standalone=\"no\"?>\n";
|
|
// no need for doctype, see http://jwatt.org/svg/authoring/#doctype-declaration
|
|
str += svgToString(svgroot, 0);
|
|
this.saveHandler(str);
|
|
};
|
|
|
|
this.getSvgString = function() {
|
|
return svgToString(svgroot, 0);
|
|
};
|
|
|
|
// this function returns false if the set was unsuccessful, true otherwise
|
|
// TODO: should this function keep throwing the exception?
|
|
// FIXME: after parsing in the new file, how do we synchronize getId()?
|
|
this.setSvgString = function(xmlString) {
|
|
try {
|
|
// convert string into XML document
|
|
var newDoc = Utils.text2xml(xmlString);
|
|
|
|
// run it through our sanitizer to remove anything we do not support
|
|
sanitizeSvg(newDoc.documentElement);
|
|
|
|
var batchCmd = new BatchCommand("Change Source");
|
|
|
|
// remove old root
|
|
var oldroot = container.removeChild(svgroot);
|
|
batchCmd.addSubCommand(new RemoveElementCommand(oldroot, container));
|
|
|
|
// set new root
|
|
svgroot = container.appendChild(svgdoc.importNode(newDoc.documentElement, true));
|
|
batchCmd.addSubCommand(new InsertElementCommand(svgroot));
|
|
|
|
addCommandToHistory(batchCmd);
|
|
call("changed", [svgroot]);
|
|
} catch(e) {
|
|
console.log(e);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
this.clear = function() {
|
|
var nodes = svgroot.childNodes;
|
|
var len = svgroot.childNodes.length;
|
|
var i = 0;
|
|
this.clearSelection();
|
|
for(var rep = 0; rep < len; rep++){
|
|
if (nodes[i].nodeType == 1) { // element node
|
|
nodes[i].parentNode.removeChild(nodes[i]);
|
|
} else {
|
|
i++;
|
|
}
|
|
}
|
|
// clear the undo stack
|
|
resetUndoStack();
|
|
call("cleared");
|
|
};
|
|
|
|
this.getResolution = function() {
|
|
return [svgroot.getAttribute("width"), svgroot.getAttribute("height")];
|
|
};
|
|
this.setResolution = function(x, y) {
|
|
var w = svgroot.getAttribute("width"),
|
|
h = svgroot.getAttribute("height");
|
|
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
svgroot.setAttribute("width", x);
|
|
svgroot.setAttribute("height", y);
|
|
svgroot.unsuspendRedraw(handle);
|
|
addCommandToHistory(new ChangeElementCommand(svgroot, {"width":w,"height":h}, "resolution"));
|
|
call("changed", [svgroot]);
|
|
};
|
|
|
|
this.getMode = function() {
|
|
return current_mode;
|
|
};
|
|
|
|
this.setMode = function(name) {
|
|
current_mode = name;
|
|
};
|
|
|
|
this.getStrokeColor = function() {
|
|
return current_stroke;
|
|
};
|
|
|
|
this.setStrokeColor = function(val) {
|
|
current_stroke = val;
|
|
this.changeSelectedAttribute("stroke", val);
|
|
};
|
|
|
|
this.getFillColor = function() {
|
|
return current_fill;
|
|
};
|
|
|
|
this.setFillColor = function(val) {
|
|
current_fill = val;
|
|
// take out any path/line elements when setting fill
|
|
var elems = [];
|
|
var i = selectedElements.length;
|
|
while(i--) {
|
|
var elem = selectedElements[i];
|
|
if (elem && elem.tagName != "path" && elem.tagName != "line") {
|
|
elems.push(elem);
|
|
}
|
|
}
|
|
if (elems.length > 0)
|
|
this.changeSelectedAttribute("fill", val, elems);
|
|
};
|
|
|
|
var findDefs = function() {
|
|
var defs = svgroot.getElementsByTagNameNS(svgns, "defs");
|
|
if (defs.length > 0) {
|
|
defs = defs[0];
|
|
}
|
|
else {
|
|
defs = svgroot.insertBefore( svgdoc.createElementNS(svgns, "defs" ), svgroot.firstChild);
|
|
}
|
|
return defs;
|
|
};
|
|
|
|
var findDuplicateGradient = function(grad) {
|
|
var defs = findDefs();
|
|
var existing_grads = defs.getElementsByTagNameNS(svgns, "linearGradient");
|
|
var i = existing_grads.length;
|
|
while (i--) {
|
|
var og = existing_grads.item(i);
|
|
if (grad.getAttribute('x1') != og.getAttribute('x1') ||
|
|
grad.getAttribute('y1') != og.getAttribute('y1') ||
|
|
grad.getAttribute('x2') != og.getAttribute('x2') ||
|
|
grad.getAttribute('y2') != og.getAttribute('y2'))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// else could be a duplicate, iterate through stops
|
|
var stops = grad.getElementsByTagNameNS(svgns, "stop");
|
|
var ostops = og.getElementsByTagNameNS(svgns, "stop");
|
|
|
|
if (stops.length != ostops.length) {
|
|
continue;
|
|
}
|
|
|
|
var j = stops.length;
|
|
while(j--) {
|
|
var stop = stops.item(j);
|
|
var ostop = ostops.item(j);
|
|
|
|
if (stop.getAttribute('offset') != ostop.getAttribute('offset') ||
|
|
stop.getAttribute('stop-opacity') != ostop.getAttribute('stop-opacity') ||
|
|
stop.getAttribute('stop-color') != ostop.getAttribute('stop-color'))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (j == -1) {
|
|
return og;
|
|
}
|
|
} // for each gradient in defs
|
|
|
|
return null;
|
|
};
|
|
|
|
this.setStrokePaint = function(p) {
|
|
current_stroke_paint = new $.jGraduate.Paint(p);
|
|
if (current_stroke_paint.type == "solidColor") {
|
|
this.setStrokeColor("#"+current_stroke_paint.solidColor);
|
|
}
|
|
else if(current_stroke_paint.type == "linearGradient") {
|
|
// find out if there is a duplicate gradient already in the defs
|
|
var grad = current_stroke_paint.linearGradient;
|
|
var duplicate_grad = findDuplicateGradient(grad);
|
|
var defs = findDefs();
|
|
|
|
// no duplicate found, so import gradient into defs
|
|
if (!duplicate_grad) {
|
|
grad = defs.appendChild( svgdoc.importNode(grad, true) );
|
|
|
|
// get next id and set it on the grad
|
|
grad.id = getNextId();
|
|
}
|
|
else { // use existing gradient
|
|
grad = duplicate_grad;
|
|
}
|
|
|
|
this.setStrokeColor("url(#" + grad.id + ")");
|
|
}
|
|
else {
|
|
// console.log("none!");
|
|
}
|
|
this.setStrokeOpacity(current_stroke_paint.alpha/100);
|
|
};
|
|
|
|
// TODO: rework this so that we are not append elements into the SVG at this stage
|
|
// This should only be done at the actual creation stage or when we change a selected
|
|
// element's fill paint - at that point, batch up the creation of the gradient element
|
|
// with the creation/change
|
|
this.setFillPaint = function(p) {
|
|
// copy the incoming paint object
|
|
current_fill_paint = new $.jGraduate.Paint(p);
|
|
if (current_fill_paint.type == "solidColor") {
|
|
this.setFillColor("#"+current_fill_paint.solidColor);
|
|
}
|
|
else if(current_fill_paint.type == "linearGradient") {
|
|
// find out if there is a duplicate gradient already in the defs
|
|
var grad = current_fill_paint.linearGradient;
|
|
var duplicate_grad = findDuplicateGradient(grad);
|
|
var defs = findDefs();
|
|
|
|
// no duplicate found, so import gradient into defs
|
|
if (!duplicate_grad) {
|
|
grad = defs.appendChild( svgdoc.importNode(grad, true) );
|
|
|
|
// get next id and set it on the grad
|
|
grad.id = getNextId();
|
|
}
|
|
else { // use existing gradient
|
|
grad = duplicate_grad;
|
|
}
|
|
|
|
this.setFillColor("url(#" + grad.id + ")");
|
|
}
|
|
else {
|
|
// console.log("none!");
|
|
}
|
|
this.setFillOpacity(current_fill_paint.alpha/100);
|
|
};
|
|
|
|
this.getStrokeWidth = function() {
|
|
return current_stroke_width;
|
|
};
|
|
|
|
this.setStrokeWidth = function(val) {
|
|
current_stroke_width = val;
|
|
this.changeSelectedAttribute("stroke-width", val);
|
|
};
|
|
|
|
this.getStrokeStyle = function() {
|
|
return current_stroke_style;
|
|
};
|
|
|
|
this.setStrokeStyle = function(val) {
|
|
current_stroke_style = val;
|
|
this.changeSelectedAttribute("stroke-dasharray", val);
|
|
};
|
|
|
|
this.getOpacity = function() {
|
|
return current_opacity;
|
|
};
|
|
|
|
this.setOpacity = function(val) {
|
|
current_opacity = val;
|
|
this.changeSelectedAttribute("opacity", val);
|
|
};
|
|
|
|
this.getFillOpacity = function() {
|
|
return current_fill_opacity;
|
|
};
|
|
|
|
this.setFillOpacity = function(val) {
|
|
current_fill_opacity = val;
|
|
this.changeSelectedAttribute("fill-opacity", val);
|
|
};
|
|
|
|
this.getStrokeOpacity = function() {
|
|
return current_stroke_opacity;
|
|
};
|
|
|
|
this.setStrokeOpacity = function(val) {
|
|
current_stroke_opacity = val;
|
|
this.changeSelectedAttribute("stroke-opacity", val);
|
|
};
|
|
|
|
this.updateElementFromJson = function(data) {
|
|
var shape = svgdoc.getElementById(data.attr.id);
|
|
// if shape is a path but we need to create a rect/ellipse, then remove the path
|
|
if (shape && data.element != shape.tagName) {
|
|
svgroot.removeChild(shape);
|
|
shape = null;
|
|
}
|
|
if (!shape) {
|
|
shape = svgdoc.createElementNS(svgns, data.element);
|
|
svgroot.appendChild(shape);
|
|
}
|
|
assignAttributes(shape, data.attr);
|
|
cleanupElement(shape);
|
|
return shape;
|
|
};
|
|
|
|
this.each = function(cb) {
|
|
$(svgroot).children().each(cb);
|
|
};
|
|
|
|
this.bind = function(event, f) {
|
|
events[event] = f;
|
|
};
|
|
|
|
this.setIdPrefix = function(p) {
|
|
idprefix = p;
|
|
};
|
|
|
|
this.getBold = function() {
|
|
// should only have one element selected
|
|
var selected = selectedElements[0];
|
|
if (selected != null && selected.tagName == "text" &&
|
|
selectedElements[1] == null)
|
|
{
|
|
return (selected.getAttribute("font-weight") == "bold");
|
|
}
|
|
return false;
|
|
};
|
|
|
|
this.setBold = function(b) {
|
|
var selected = selectedElements[0];
|
|
if (selected != null && selected.tagName == "text" &&
|
|
selectedElements[1] == null)
|
|
{
|
|
this.changeSelectedAttribute("font-weight", b ? "bold" : "normal");
|
|
}
|
|
};
|
|
|
|
this.getItalic = function() {
|
|
var selected = selectedElements[0];
|
|
if (selected != null && selected.tagName == "text" &&
|
|
selectedElements[1] == null)
|
|
{
|
|
return (selected.getAttribute("font-style") == "italic");
|
|
}
|
|
return false;
|
|
};
|
|
|
|
this.setItalic = function(i) {
|
|
var selected = selectedElements[0];
|
|
if (selected != null && selected.tagName == "text" &&
|
|
selectedElements[1] == null)
|
|
{
|
|
this.changeSelectedAttribute("font-style", i ? "italic" : "normal");
|
|
}
|
|
};
|
|
|
|
this.getFontFamily = function() {
|
|
return current_font_family;
|
|
};
|
|
|
|
this.setFontFamily = function(val) {
|
|
current_font_family = val;
|
|
this.changeSelectedAttribute("font-family", val);
|
|
};
|
|
|
|
this.getFontSize = function() {
|
|
return current_font_size;
|
|
};
|
|
|
|
this.setFontSize = function(val) {
|
|
current_font_size = val;
|
|
this.changeSelectedAttribute("font-size", val);
|
|
};
|
|
|
|
this.getText = function() {
|
|
var selected = selectedElements[0];
|
|
if (selected == null) { return ""; }
|
|
return selected.textContent;
|
|
};
|
|
|
|
this.setTextContent = function(val) {
|
|
this.changeSelectedAttribute("#text", val);
|
|
};
|
|
|
|
this.setRectRadius = function(val) {
|
|
var selected = selectedElements[0];
|
|
if (selected != null && selected.tagName == "rect") {
|
|
var r = selected.getAttribute("rx");
|
|
if (r != val) {
|
|
selected.setAttribute("rx", val);
|
|
selected.setAttribute("ry", val);
|
|
addCommandToHistory(new ChangeElementCommand(selected, {"rx":r, "ry":r}, "Radius"));
|
|
call("changed", [selected]);
|
|
}
|
|
}
|
|
};
|
|
|
|
// If you want to change all selectedElements, ignore the elems argument.
|
|
// If you want to change only a subset of selectedElements, then send the
|
|
// subset to this function in the elems argument.
|
|
this.changeSelectedAttribute = function(attr, val, elems) {
|
|
var elems = elems || selectedElements;
|
|
var batchCmd = new BatchCommand("Change " + attr);
|
|
var i = elems.length;
|
|
var handle = svgroot.suspendRedraw(1000);
|
|
while(i--) {
|
|
var elem = elems[i];
|
|
if (elem == null) continue;
|
|
|
|
var oldval = (attr == "#text" ? elem.textContent : elem.getAttribute(attr));
|
|
if (oldval != val) {
|
|
if (attr == "#text") elem.textContent = val;
|
|
else elem.setAttribute(attr, val);
|
|
selectedBBoxes[i] = elem.getBBox();
|
|
selectorManager.requestSelector(elem).resize(selectedBBoxes[i]);
|
|
var changes = {};
|
|
changes[attr] = oldval;
|
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attr));
|
|
}
|
|
}
|
|
svgroot.unsuspendRedraw(handle);
|
|
if (!batchCmd.isEmpty()) {
|
|
addCommandToHistory(batchCmd);
|
|
call("changed", elems);
|
|
}
|
|
};
|
|
|
|
$(container).mouseup(mouseUp);
|
|
$(container).mousedown(mouseDown);
|
|
$(container).mousemove(mouseMove);
|
|
|
|
this.saveHandler = function(svg) {
|
|
window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
|
|
};
|
|
|
|
this.deleteSelectedElements = function() {
|
|
var batchCmd = new BatchCommand("Delete Elements");
|
|
var len = selectedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
var selected = selectedElements[i];
|
|
if (selected == null) break;
|
|
|
|
var parent = selected.parentNode;
|
|
var t = selected;
|
|
// this will unselect the element and remove the selectedOutline
|
|
selectorManager.releaseSelector(t);
|
|
var elem = parent.removeChild(t);
|
|
selectedElements[i] = null;
|
|
batchCmd.addSubCommand(new RemoveElementCommand(elem, parent));
|
|
}
|
|
if (!batchCmd.isEmpty()) addCommandToHistory(batchCmd);
|
|
call("selected", selectedElements);
|
|
};
|
|
|
|
this.moveToTopSelectedElement = function() {
|
|
var selected = selectedElements[0];
|
|
if (selected != null) {
|
|
var t = selected;
|
|
var oldParent = t.parentNode;
|
|
var oldNextSibling = t.nextSibling;
|
|
if (oldNextSibling == selectorManager.selectorParentGroup) oldNextSibling = null;
|
|
t = t.parentNode.appendChild(t);
|
|
addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, "top"));
|
|
}
|
|
};
|
|
|
|
this.moveToBottomSelectedElement = function() {
|
|
var selected = selectedElements[0];
|
|
if (selected != null) {
|
|
var t = selected;
|
|
var oldParent = t.parentNode;
|
|
var oldNextSibling = t.nextSibling;
|
|
if (oldNextSibling == selectorManager.selectorParentGroup) oldNextSibling = null;
|
|
var firstChild = t.parentNode.firstChild;
|
|
if (firstChild.tagName == 'defs') {
|
|
firstChild = firstChild.nextSibling;
|
|
}
|
|
t = t.parentNode.insertBefore(t, firstChild);
|
|
addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, "bottom"));
|
|
}
|
|
};
|
|
|
|
this.moveSelectedElements = function(dx,dy,undoable) {
|
|
// if undoable is not sent, default to true
|
|
var undoable = undoable&&true;
|
|
var batchCmd = new BatchCommand("position");
|
|
var i = selectedElements.length;
|
|
while (i--) {
|
|
var selected = selectedElements[i];
|
|
if (selected != null) {
|
|
selectedBBoxes[i] = selected.getBBox();
|
|
selectedBBoxes[i].x += dx;
|
|
selectedBBoxes[i].y += dy;
|
|
var cmd = recalculateSelectedDimensions(i);
|
|
if (cmd) {
|
|
batchCmd.addSubCommand(cmd);
|
|
}
|
|
selectorManager.requestSelector(selected).resize(selectedBBoxes[i]);
|
|
}
|
|
}
|
|
if (!batchCmd.isEmpty()) {
|
|
if (undoable)
|
|
addCommandToHistory(batchCmd);
|
|
call("changed", selectedElements);
|
|
}
|
|
};
|
|
|
|
var resetUndoStack = function() {
|
|
undoStack = [];
|
|
undoStackPointer = 0;
|
|
};
|
|
|
|
this.getUndoStackSize = function() { return undoStackPointer; };
|
|
this.getRedoStackSize = function() { return undoStack.length - undoStackPointer; };
|
|
|
|
this.getNextUndoCommandText = function() {
|
|
if (undoStackPointer > 0)
|
|
return undoStack[undoStackPointer-1].text;
|
|
return "";
|
|
};
|
|
this.getNextRedoCommandText = function() {
|
|
if (undoStackPointer < undoStack.length)
|
|
return undoStack[undoStackPointer].text;
|
|
return "";
|
|
};
|
|
|
|
this.undo = function() {
|
|
if (undoStackPointer > 0) {
|
|
this.clearSelection();
|
|
var cmd = undoStack[--undoStackPointer];
|
|
cmd.unapply();
|
|
call("changed", cmd.elements());
|
|
}
|
|
};
|
|
this.redo = function() {
|
|
if (undoStackPointer < undoStack.length && undoStack.length > 0) {
|
|
this.clearSelection();
|
|
var cmd = undoStack[undoStackPointer++];
|
|
cmd.apply();
|
|
call("changed", cmd.elements());
|
|
}
|
|
};
|
|
|
|
// this creates deep DOM copies (clones) of all selected elements
|
|
this.copySelectedElements = function() {
|
|
copiedElements = [];
|
|
var len = selectedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
if (selectedElements[i] == null) break;
|
|
copiedElements.push(selectedElements[i].cloneNode(true));
|
|
}
|
|
};
|
|
|
|
this.pasteElements = function() {
|
|
var batchCmd = new BatchCommand("Paste Elements");
|
|
this.clearSelection();
|
|
var len = copiedElements.length;
|
|
for (var i = 0; i < len; ++i) {
|
|
var elem = copiedElements[i];
|
|
elem.id = getNextId();
|
|
svgroot.appendChild(elem);
|
|
batchCmd.addSubCommand(new InsertElementCommand(elem));
|
|
}
|
|
|
|
if (!batchCmd.isEmpty()) {
|
|
this.addToSelection(copiedElements);
|
|
this.moveSelectedElements(20,20,false);
|
|
addCommandToHistory(batchCmd);
|
|
// re-copy the elements so we can paste again
|
|
this.copySelectedElements();
|
|
call("selected", selectedElements);
|
|
}
|
|
|
|
};
|
|
|
|
}
|
|
|
|
// Static class for various utility functions
|
|
|
|
var Utils = {
|
|
|
|
// This code was written by Tyler Akins and has been placed in the
|
|
// public domain. It would be nice if you left this header intact.
|
|
// Base64 code from Tyler Akins -- http://rumkin.com
|
|
|
|
// schiller: Removed string concatenation in favour of Array.join() optimization,
|
|
// also precalculate the size of the array needed.
|
|
|
|
"_keyStr" : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
|
|
|
|
"encode64" : function(input) {
|
|
// base64 strings are 4/3 larger than the original string
|
|
var output = new Array( Math.floor( (input.length + 2) / 3 ) * 4 );
|
|
var chr1, chr2, chr3;
|
|
var enc1, enc2, enc3, enc4;
|
|
var i = 0, p = 0;
|
|
|
|
do {
|
|
chr1 = input.charCodeAt(i++);
|
|
chr2 = input.charCodeAt(i++);
|
|
chr3 = input.charCodeAt(i++);
|
|
|
|
enc1 = chr1 >> 2;
|
|
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
|
|
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
|
|
enc4 = chr3 & 63;
|
|
|
|
if (isNaN(chr2)) {
|
|
enc3 = enc4 = 64;
|
|
} else if (isNaN(chr3)) {
|
|
enc4 = 64;
|
|
}
|
|
|
|
output[p++] = this._keyStr.charAt(enc1);
|
|
output[p++] = this._keyStr.charAt(enc2);
|
|
output[p++] = this._keyStr.charAt(enc3);
|
|
output[p++] = this._keyStr.charAt(enc4);
|
|
} while (i < input.length);
|
|
|
|
return output.join('');
|
|
},
|
|
|
|
"rectsIntersect": function(r1, r2) {
|
|
return r2.x < (r1.x+r1.width) &&
|
|
(r2.x+r2.width) > r1.x &&
|
|
r2.y < (r1.y+r1.height) &&
|
|
(r2.y+r2.height) > r1.y;
|
|
},
|
|
|
|
// found this function http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f
|
|
"text2xml": function(sXML) {
|
|
// NOTE: I'd like to use jQuery for this, but jQuery makes all tags uppercase
|
|
//return $(xml)[0];
|
|
var out;
|
|
try{
|
|
var dXML = ($.browser.msie)?new ActiveXObject("Microsoft.XMLDOM"):new DOMParser();
|
|
dXML.async = false;
|
|
} catch(e){
|
|
throw new Error("XML Parser could not be instantiated");
|
|
};
|
|
try{
|
|
if($.browser.msie) out = (dXML.loadXML(sXML))?dXML:false;
|
|
else out = dXML.parseFromString(sXML, "text/xml");
|
|
}
|
|
catch(e){ throw new Error("Error parsing XML string"); };
|
|
return out;
|
|
}
|
|
};
|