roojs-ui.js

[roojs1] / Roo / UndoManager.js

diff --git a/Roo/UndoManager.js b/Roo/UndoManager.js
index e18b2bf..e69de29 100644 (file)
--- a/Roo/UndoManager.js
+++ b/Roo/UndoManager.js
@@ -1,94 +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;
-
-}
-        
-Roo.UndoManager.prototype = {
-    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}));
-    },
-
-    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}));
-        }
-    },
-
-    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}));
-        }
-    },
-
-    item : function (index)
-    {
-        if (index >= 0 && index < this.length)
-            return stack[index].slice();
-        return null;
-    },
-
-    clearUndo : function () {
-        stack.length = this.length = this.position;
-    },
-
-    clearRedo : function () {
-        stack.splice(0, this.position);
-        this.position = 0;
-        this.length = stack.length;
-    }
-}
\ No newline at end of file