forked from extern/egroupware
370 lines
10 KiB
JavaScript
370 lines
10 KiB
JavaScript
/*
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DynAPI Distribution
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DynEvent, EventObject, DynElement Classes
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The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
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*/
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function DynEvent(type,src) {
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this.type = type;
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this.src = src;
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this.origin = src;
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this.propagate = true;
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this.bubble = false;
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this.bubbleChild = null;
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this.defaultValue = true;
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};
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var p = DynEvent.prototype;
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p.getType = function() {return this.type};
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p.getSource = function() {return this.src};
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p.getOrigin=function() {return this.origin};
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p.stopPropagation = function() {this.propagate = false};
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p.preventBubble = function() {this.bubble = false};
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p.preventDefault = function() {this.defaultValue = false};
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p.getBubbleChild = function() {return this.bubbleChild};
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function EventObject() {
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this.DynObject = DynObject;
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this.DynObject();
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this._listeners = [];
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};
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EventObject._SubClass={};
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p = dynapi.setPrototype('EventObject','DynObject');
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p.addEventListener = function(el) {
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if (el) {
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for (var i=0;i<this._listeners.length;i++) if (this._listeners[i]==el) return;
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this._listeners[this._listeners.length] = el;
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// Use onCreate() and onPrecreate() function for create events
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this._hasContentEvents=(el['oncontentchange'])? true:this._hasContentEvents;
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this._hasLocationEvents=(el['onlocationchange'])? true:this._hasLocationEvents;
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this._hasResizeEvents=(el['onresize'])? true:this._hasResizeEvents;
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this._hasDragEvents=(el['ondragstart']||el['ondragmove']||
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el['ondragend']||el['ondragdrop']||el['ondrop']||
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el['ondragover']||el['ondragout'])? true:this._hasDragEvents;
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if (this.captureMouseEvents) {
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this._hasMouseEvents = this._hasMouseEvents||(el.onmousedown || el.onmouseup || el.onmouseover || el.onmouseout || el.onclick || el.ondblclick);
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if (this._created && !this._hasMouseEvents) this.captureMouseEvents();
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}
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if (this.captureKeyEvents) {
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this._hasKeyEvents = this._hasKeyEvents || (el.onkeyup || el.onkeydown || el.onkeypress);
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if (this._created && !this._hasKeyEvents && (el.onkeydown || el.onkeyup || el.onkeypress)) this.captureKeyEvents();
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}
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}
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};
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p.removeEventListener = function(el) {
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if (el) {
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DynAPI.functions.removeFromArray(this._listeners, el, false);
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if (!this._listeners.length && this.releaseMouseEvents && this.getClassName()!='DynDocument') this.releaseMouseEvents();
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if (!this._listeners.length && this.releaseKeyEvents && this.getClassName()!='DynDocument') this.releaseKeyEvents();
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}
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};
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p.removeAllEventListeners = function() {
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delete this._listeners;
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this._listeners = [];
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};
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p.invokeEvent = function(type,e,args) {
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if (!e) e = new DynEvent(type,this);
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e.src = this;
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e.type = type;
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// Check for subclassing
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var clsFn=EventObject._SubClass[this+'_'+type];
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if(clsFn) {
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if (clsFn(e,args)==false) return;
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};
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if (this._listeners.length) for (var i=0;i<this._listeners.length;i++) {
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if (this._listeners[i]["on"+type]) this._listeners[i]["on"+type](e,args);
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if (!e.propagate) break;
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}
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if (this["on"+type]) this["on"+type](e,args);
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if (e.bubble && this.parent) {
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//if ((type=="mouseover" || type=="mouseout") && e._relative==this.parent) return;
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e.x += this.x;
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e.y += this.y;
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e.bubbleChild = this;
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this.parent.invokeEvent(type,e,args);
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}
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};
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// Add subClassEvent() function to dynapi.functions
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dynapi.functions.subClassEvent = function(type,eobj,fn){
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var ek=eobj+'_'+type;
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var cls=EventObject._SubClass;
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if(typeof(fn)=='function') cls[ek]=fn;
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else if(!fn && cls[ek]) delete cls[ek];
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};
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function DynElement() {
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this.EventObject = EventObject;
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this.EventObject();
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this.isChild = false;
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this._created = false;
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this.parent = null;
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this._dyndoc = null;
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this.children = [];
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this._childAnchors = {};
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//raphaelpereira
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this._cfn = {};
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this._fn = 0;
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};
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DynElement._flagCreate = function(c){ // much faster than using DynElemnt._flagEvent
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var ch=c.children;
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c._created = true;
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if (c._hasCreateFn) c._flagCreateEvent('create');
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for (var i=0; i<ch.length; i++) this._flagCreate(ch[i]);
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};
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DynElement._flagPreCreate = function(c){
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var ch=c.children;
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if (c._hasPCreateFn) c._flagCreateEvent('precreate');
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for (var i=0; i<ch.length; i++) this._flagPreCreate(ch[i]);
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};
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DynElement._flagEvent = function(c,type) {
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var ch=c.children;
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c.invokeEvent(type);
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for (var i=0; i<ch.length; i++) this._flagEvent(ch[i],type);
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};
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p = dynapi.setPrototype('DynElement','EventObject');
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p._adjustSize = dynapi.functions.Null;
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p.addChild = function(c,alias,inlineID) {
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if (!c) return dynapi.debug.print("Error: no object sent to [DynLayer].addChild()");
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if (c.isChild) c.removeFromParent();
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c.isChild = true;
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c.parent = this;
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if (c._saveAnchor) {
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c.setAnchor(c._saveAnchor);
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c._saveAnchor = null;
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delete c._saveAnchor;
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}
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c._alias = alias;
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if(alias) this[alias]=c;
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if(inlineID)
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c.setID(inlineID,true);
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if (this._created) {
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if (c.isInline) c._createInline();
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else c._create();
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}
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this.children[this.children.length] = c;
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if(this._aSz) this._adjustSize(); // adjust size if necessary
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return c;
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};
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p.deleteAllChildren = function() { // removes & destroy all children
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var i=0;
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var ch =this.children;
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var aSz = this._aSz;
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this._aSz = false; // prevent children from adjusting parent's size when removed
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while(ch.length) {
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c=ch[0];
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if(c) c.deleteFromParent();
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else {
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i++; // fail safe method
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if(i>=ch.length) break;
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}
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};
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ch.length = 0;
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this._aSz = aSz;
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if(this._aSz) this._adjustSize(); // adjust size if necessary
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};
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p.deleteChild = function(c) { // removes & destroy child
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var l = this.children.length;
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for (var i=0;i<l && this.children[i]!=c;i++);
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if (i!=l) {
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c._destroy();
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this.dropChildIndex(i);
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}
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};
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p.deleteFromParent = function () { // removes & destroy child
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if (this.parent) this.parent.deleteChild(this);
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};
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p.dropChildIndex = function(i){
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var ch = this.children;
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var l = ch.length;
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delete ch[i];
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ch[i] = ch[l-1];
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ch[l-1] = null;
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ch.length--;
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// adjust parent size if necessary
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if(this._aSz) this._adjustSize();
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};
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p.removeChild = function(c) {
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var l = this.children.length;
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for (var i=0;i<l && this.children[i]!=c;i++);
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if (i!=l) {
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c._remove();
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c._created = c.isChild = false;
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c.parent = c.dyndoc = null;
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c.elm = c._blkBoardElm = c.css = c.doc = null;
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this.dropChildIndex(i);
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}
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};
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p.removeFromParent = function () {
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if (this.parent) this.parent.removeChild(this);
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};
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p._create = p._createInLine = p._createInserted = p._remove = p._delete = p._destroy = dynapi.functions.Null;
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p.getChildren = function() {return this.children};
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p.getAllChildren = function() {
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var temp;
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var ret = [];
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var ch = this.children;
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var l = ch.length;
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for(var i=0;i<l;i++) {
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ret[ch[i].id] = ch[i];
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temp = ch[i].getAll();
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for(var j in temp) ret[j] = temp[j];
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}
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return ret;
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};
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p.getParents = function(l) {
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if (l==null) l = [];
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if (this.parent) {
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l[l.length] = this.parent;
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l = this.parent.getParents(l);
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}
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return l;
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};
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p.isParentOf = function(c) {
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if (c) {
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var p = c.getParents();
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for (var i=0;i<p.length;i++) {
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if (p[i]==this) return true;
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}
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}
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return false;
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};
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p.isChildOf = function(p) {
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if (!p) return false;
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return p.isParentOf(this);
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};
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// New onPreCreate() and onCreate() callback functions
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p.onCreate = function(fn){
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if(!fn) return;
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if(!this._cfn){this._fn=0;this._cfn=[];}
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var s='create'+this._fn++;
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this._cfn[s]='create';
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this._hasCreateFn=true;
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this[s]=fn;
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};
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p.onPreCreate = function(fn){
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if(!fn) return;
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if(!this._cfn){this._fn=0;this._cfn=[];}
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var s='precreate'+this._fn++;
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this._cfn[s]='precreate';
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this._hasPCreateFn=true;
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this[s]=fn;
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};
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p._flagCreateEvent = function(t){
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for(var i in this._cfn){
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if(this._cfn[i]==t)
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try{this[i]();}
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catch(e){return}
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};
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};
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p.updateAnchor = function() {
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this.parent._updateAnchor(this.id);
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};
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p._updateAnchor = function(id) {
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if (!id) return;
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var dlyr = DynObject.all[id];
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var a = this._childAnchors[id];
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var tw = this.w;
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var th = this.h;
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if (a==null || (tw==null && th==null)) return;
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// anchoring/docking
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var fn=dynapi.functions;
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var padX=0,padY=0;
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if(a.topA) {
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anc=fn.getAnchorLocation(a.topA,this);
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if(anc){padY=anc.y; th=th-padY;}
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}
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if(a.leftA) {
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anc=(a.leftA==a.topA && anc)? anc:fn.getAnchorLocation(a.leftA,this);
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if(anc) {padX=anc.x; tw=tw-padX;}
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}
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if(a.bottomA) {
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anc=fn.getAnchorLocation(a.bottomA,this);
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th=th-(this.h-anc.y);
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}
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if(a.rightA) {
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anc=(a.bottomA==a.rightA && anc)? anc:fn.getAnchorLocation(a.rightA,this);
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if(anc) tw=tw-(this.w-anc.x);
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}
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var aleft=(tw>0 && a.left && typeof(a.left)=='string')? tw*(parseInt(a.left)/100):a.left;
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var aright=(tw>0 && a.right && typeof(a.right)=='string')? tw*(parseInt(a.right)/100):a.right;
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var atop=(th>0 && a.top && typeof(a.top)=='string')? th*(parseInt(a.top)/100):a.top;
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var abottom=(th>0 && a.bottom && typeof(a.bottom)=='string')? th*(parseInt(a.bottom)/100):a.bottom;
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var x = aleft;
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var y = atop;
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var w = null;
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var h = null;
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var dlyrWidth=dlyr.getWidth();
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var dlyrHeight=dlyr.getHeight();
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if (a.stretchH!=null) {
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if(typeof(a.stretchH)!='string') w=a.stretchH;
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else {
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if(a.stretchH=='*') w = tw - ((aleft!=null)? aleft:0);
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else w = tw*(parseInt(a.stretchH)/100);
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}
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dlyrWidth=w;
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}
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if (a.centerH!=null) {
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x = Math.ceil(tw/2 - dlyrWidth/2 + a.centerH);
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}else if (aright!=null) {
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if (aleft!=null) w = (tw - aright) - aleft;
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else x = (tw - dlyrWidth) - aright;
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if(tw<=0 && x<0) x=null; // ns4 needs x>=0
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}
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if (a.stretchV!=null) {
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if(typeof(a.stretchV)!='string') h=a.stretchV;
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else {
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if(a.stretchV=='*') h = th - ((atop!=null)? atop:0);
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else h = th*(parseInt(a.stretchV)/100);
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}
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dlyrHeight=h;
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}
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if (a.centerV!=null) {
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y = Math.ceil(th/2 - dlyrHeight/2 + a.centerV);
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}else if (abottom!=null) {
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if (atop!=null) h = (th - abottom) - atop;
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else y = (th - dlyrHeight) - abottom;
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if(th<=0 && y<0) y=null; // ns4 needs y>=0
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}
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if(padX) {x=(x)? x:0;x+=padX}
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if(padY) {y=(y)? y:0;y+=padY}
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// IE seems to be getting wrong position
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if (dynapi.ua.ie)
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{
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/* aleft += 10;
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aright += 10;
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atop += 10;
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abottom += 10;*/
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x += 7;
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y += 14;
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}
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var tmp=dlyr._hasAnchor;
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dlyr._hasAnchor=false; // ignore anchor updates of this layer
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if(x!=null||y!=null) dlyr.setLocation(x,y);
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if(w!=null||h!=null) dlyr.setSize(w,h);
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dlyr._hasAnchor = tmp; // useful for preventing stack overflow
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};
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p._updateAnchors = function() {
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var tw = this.w;
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var th = this.h;
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if (tw==null && th==null) return;
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for (id in this._childAnchors) this._updateAnchor(id);
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};
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// Bandwidth timer stop
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var ua=dynapi.ua; ua._bwe=new Date;
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ua.broadband=((ua._bwe-ua._bws)<=1500)? true:false;
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