var id=el.id||el.tagName;return ("Scroll "+id);};B.doMethod=function(C,D,E){var F=null;if(C=='scroll'){F=[this.method(this.currentFrame,D[0],E[0]-D[0],this.totalFrames),this.method(this.currentFrame,D[1],E[1]-D[1],this.totalFrames)];}else{F=A.doMethod.call(this,C,D,E);
}return F;};B.getAttribute=function(C){var D=null;var el=this.getEl();if(C=='scroll'){D=[el.scrollLeft,el.scrollTop];}else{D=A.getAttribute.call(this,C);}return D;};B.setAttribute=function(C,D,E){var el=this.getEl();if(C=='scroll'){el.scrollLeft=D[0];el.scrollTop=D[1];
}else{A.setAttribute.call(this,C,D,E);}};})();
+// Roo/lib/UndoManager.js
+Roo.lib.UndoManager=function(A,B){this.stack=[];this.fireEvent=typeof CustomEvent!='undefined'&&B&&B.dispatchEvent;};Roo.lib.UndoManager.prototype={stack:false,fireEvent:false,position:0,length:0,transact:function(A,B){if(arguments.length<2){throw new TypeError('Not enough arguments to UndoManager.transact.');
+}A.execute();this.stack.splice(0,this.position);if(B&&this.length){this.stack[0].push(A);}else{this.stack.unshift([A]);}this.position=0;if(limit&&this.stack.length>limit){this.length=this.stack.length=limit;}else{this.length=this.stack.length;}if(this.fireEvent){undoScopeHost.dispatchEvent(new CustomEvent('DOMTransaction',{detail:{transactions:this.stack[0].slice()}
+,bubbles:true,cancelable:false}));}},undo:function(){if(this.position<this.length){for(var i=this.stack[this.position].length-1;i>=0;i--){this.stack[this.position][i].undo();}this.position++;if(this.fireEvent){undoScopeHost.dispatchEvent(new CustomEvent('undo',{detail:{transactions:this.stack[this.position-1].slice()}
+,bubbles:true,cancelable:false}));}}},redo:function(){if(this.position>0){for(var i=0,n=this.stack[this.position-1].length;i<n;i++){this.stack[this.position-1][i].redo();}this.position--;if(this.fireEvent){undoScopeHost.dispatchEvent(new CustomEvent('redo',{detail:{transactions:this.stack[this.position].slice()}
+,bubbles:true,cancelable:false}));}}},item:function(A){if(A>=0&&A<this.length){return this.stack[A].slice();}return null;},clearUndo:function(){this.stack.length=this.length=this.position;},clearRedo:function(){this.stack.splice(0,this.position);this.position=0;
+this.length=stack.length;}};
// Roo/DomHelper.js
if(typeof Range!="undefined"&&typeof Range.prototype.createContextualFragment=="undefined"){Range.prototype.createContextualFragment=function(A){var B=window.document;var C=B.createElement("div");C.innerHTML=A;var D=B.createDocumentFragment(),n;while((n=C.firstChild)){D.appendChild(n);
}return D;};}Roo.DomHelper=function(){var A=null;var B=/^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i;var C=/^table|tbody|tr|td$/i;var D={};var E=function(o){if(typeof o=='string'){return o;}var b="";if(!o.tag){o.tag="div";}b+="<"+o.tag;
}
};
})();
+/**
+ * Originally based of this code... - refactored for Roo...
+ * https://github.com/aaalsaleh/undo-manager
+
+ * undo-manager.js
+ * @author Abdulrahman Alsaleh
+ * @copyright 2015 Abdulrahman Alsaleh
+ * @license MIT License (c)
+ *
+ * Hackily modifyed by alan@roojs.com
+ *
+ *
+ * usage:
+ * document.undoManager = new UndoManager(limit, document)
+ *
+ *
+ * TOTALLY UNTESTED...
+ *
+ * Documentation to be done....
+ */
+
+
+
+/**
+* @class Roo.lib.UndoManager
+* An undo manager implementation in JavaScript. It follows the W3C UndoManager and DOM Transaction
+* Draft and the undocumented and disabled Mozilla Firefox's UndoManager implementation.
+
+* Usage:
+<pre><code>
+document.undoManager = new UndoManager(limit, document)
+
+</code></pre>
+* For more information see this blog post with examples:
+* <a href="http://www.cnitblog.com/seeyeah/archive/2011/12/30/38728.html/">DomHelper
+ - Create Elements using DOM, HTML fragments and Templates</a>.
+* @constructor
+* @param {Number} limit how far back to go ... use 1000?
+* @param {Object} scope usually use document..
+*/
+
+Roo.lib.UndoManager = function (limit, undoScopeHost)
+{
+ this.stack = [];
+ this.fireEvent = typeof CustomEvent != 'undefined' && undoScopeHost && undoScopeHost.dispatchEvent;
+
+};
+
+Roo.lib.UndoManager.prototype = {
+
+
+ stack : false,
+
+ fireEvent : false,
+ position : 0,
+ length : 0,
+
+
+ /**
+ * To push and execute a transaction, the method undoManager.transact
+ * must be called by passing a transaction object as the first argument, and a merge
+ * flag as the second argument. A transaction object has the following properties:
+ *
+ * Usage:
+<pre><code>
+undoManager.transact({
+ label: 'Typing',
+ execute: function() { ... },
+ undo: function() { ... },
+ // redo same as execute
+ redo: function() { this.execute(); }
+}, false);
+
+// merge transaction
+undoManager.transact({
+ label: 'Typing',
+ execute: function() { ... }, // this will be run...
+ undo: function() { ... }, // what to do when undo is run.
+ // redo same as execute
+ redo: function() { this.execute(); }
+}, true);
+</code></pre>
+ *
+ *
+ * @param {Object} transaction The transaction to add to the stack.
+ * @return {String} The HTML fragment
+ */
+
+
+ transact : function (transaction, merge)
+ {
+ if (arguments.length < 2) {
+ throw new TypeError('Not enough arguments to UndoManager.transact.');
+ }
+
+ transaction.execute();
+
+ this.stack.splice(0, this.position);
+ if (merge && this.length) {
+ this.stack[0].push(transaction);
+ } else {
+ this.stack.unshift([transaction]);
+ }
+
+ this.position = 0;
+
+ if (limit && this.stack.length > limit) {
+ this.length = this.stack.length = limit;
+ } else {
+ this.length = this.stack.length;
+ }
+
+ if (this.fireEvent) {
+ undoScopeHost.dispatchEvent(
+ new CustomEvent('DOMTransaction', {
+ detail: {
+ transactions: this.stack[0].slice()
+ },
+ bubbles: true,
+ cancelable: false
+ })
+ );
+ }
+ },
+
+ undo : function ()
+ {
+ if (this.position < this.length) {
+ for (var i = this.stack[this.position].length - 1; i >= 0; i--) {
+ this.stack[this.position][i].undo();
+ }
+ this.position++;
+
+ if (this.fireEvent) {
+ undoScopeHost.dispatchEvent(
+ new CustomEvent('undo', {
+ detail: {
+ transactions: this.stack[this.position - 1].slice()
+ },
+ bubbles: true,
+ cancelable: false
+ })
+ );
+ }
+ }
+ },
+
+ redo : function ()
+ {
+ if (this.position > 0) {
+ for (var i = 0, n = this.stack[this.position - 1].length; i < n; i++) {
+ this.stack[this.position - 1][i].redo();
+ }
+ this.position--;
+
+ if (this.fireEvent) {
+ undoScopeHost.dispatchEvent(
+ new CustomEvent('redo', {
+ detail: {
+ transactions: this.stack[this.position].slice()
+ },
+ bubbles: true,
+ cancelable: false
+ })
+ );
+ }
+ }
+ },
+
+ item : function (index)
+ {
+ if (index >= 0 && index < this.length) {
+ return this.stack[index].slice();
+ }
+ return null;
+ },
+
+ clearUndo : function () {
+ this.stack.length = this.length = this.position;
+ },
+
+ clearRedo : function () {
+ this.stack.splice(0, this.position);
+ this.position = 0;
+ this.length = stack.length;
+ }
+};
/*
* Based on:
* Ext JS Library 1.1.1
projects / roojs1 / commitdiff