roojs-ui.js

[roojs1] / Roo / UndoManager.js

diff --git a/Roo/UndoManager.js b/Roo/UndoManager.js
index 3e7f840..e69de29 100644 (file)
--- a/Roo/UndoManager.js
+++ b/Roo/UndoManager.js
@@ -1,88 +0,0 @@
-/**
- * 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....
- */
-
-function UndoManager(limit, undoScopeHost) {
-               var stack = [];
-               var fireEvent = typeof CustomEvent != 'undefined' && undoScopeHost && undoScopeHost.dispatchEvent;
-
-               this.position = 0;
-               this.length = 0;
-
-               this.transact = function (transaction, merge) {
-                       if (arguments.length < 2)
-                               throw new TypeError('Not enough arguments to UndoManager.transact.');
-
-                       transaction.execute();
-
-                       stack.splice(0, this.position);
-                       if (merge && this.length)
-                               stack[0].push(transaction);
-                       else
-                               stack.unshift([transaction]);
-                       this.position = 0;
-
-                       if (limit && stack.length > limit)
-                               this.length = stack.length = limit;
-                       else
-                               this.length = stack.length;
-
-                       if (fireEvent)
-                               undoScopeHost.dispatchEvent(new CustomEvent('DOMTransaction', {detail: {transactions: stack[0].slice()}, bubbles: true, cancelable: false}));
-               };
-
-               this.undo = function () {
-                       if (this.position < this.length) {
-                               for (var i = stack[this.position].length - 1; i >= 0; i--)
-                                       stack[this.position][i].undo();
-                               this.position++;
-
-                               if (fireEvent)
-                                       undoScopeHost.dispatchEvent(new CustomEvent('undo', {detail: {transactions: stack[this.position - 1].slice()}, bubbles: true, cancelable: false}));
-                       }
-               };
-
-               this.redo = function () {
-                       if (this.position > 0) {
-                               for (var i = 0, n = stack[this.position - 1].length; i < n; i++)
-                                       stack[this.position - 1][i].redo();
-                               this.position--;
-
-                               if (fireEvent)
-                                       undoScopeHost.dispatchEvent(new CustomEvent('redo', {detail: {transactions: stack[this.position].slice()}, bubbles: true, cancelable: false}));
-                       }
-               };
-
-               this.item = function (index) {
-                       if (index >= 0 && index < this.length)
-                               return stack[index].slice();
-                       return null;
-               };
-
-               this.clearUndo = function () {
-                       stack.length = this.length = this.position;
-               };
-
-               this.clearRedo = function () {
-                       stack.splice(0, this.position);
-                       this.position = 0;
-                       this.length = stack.length;
-               };
-       }
\ No newline at end of file