root / trunk / web / dojo / dojox / drawing / manager / Undo.js @ 12
History | View | Annotate | Download (1.04 KB)
| 1 | 9 | andrej.cim | /*
|
|---|---|---|---|
| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
||
| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
|
||
| 4 | see: http://dojotoolkit.org/license for details
|
||
| 5 | */
|
||
| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.drawing.manager.Undo"]){ |
||
| 9 | dojo._hasResource["dojox.drawing.manager.Undo"]=true; |
||
| 10 | dojo.provide("dojox.drawing.manager.Undo");
|
||
| 11 | dojox.drawing.manager.Undo=dojox.drawing.util.oo.declare(function(_1){
|
||
| 12 | this.keys=_1.keys;
|
||
| 13 | this.undostack=[];
|
||
| 14 | this.redostack=[];
|
||
| 15 | dojo.connect(this.keys,"onKeyDown",this,"onKeyDown"); |
||
| 16 | },{onKeyDown:function(_2){
|
||
| 17 | if(!_2.cmmd){
|
||
| 18 | return;
|
||
| 19 | } |
||
| 20 | if(_2.keyCode==90&&!_2.shift){ |
||
| 21 | this.undo();
|
||
| 22 | }else{
|
||
| 23 | if((_2.keyCode==90&&_2.shift)||_2.keyCode==89){ |
||
| 24 | this.redo();
|
||
| 25 | } |
||
| 26 | } |
||
| 27 | },add:function(_3){ |
||
| 28 | _3.args=dojo.mixin({},_3.args);
|
||
| 29 | this.undostack.push(_3);
|
||
| 30 | },apply:function(_4,_5,_6){ |
||
| 31 | dojo.hitch(_4,_5)(_6); |
||
| 32 | },undo:function(){ |
||
| 33 | var o=this.undostack.pop(); |
||
| 34 | if(!o){
|
||
| 35 | return;
|
||
| 36 | } |
||
| 37 | o.before(); |
||
| 38 | this.redostack.push(o);
|
||
| 39 | },redo:function(){ |
||
| 40 | var o=this.redostack.pop(); |
||
| 41 | if(!o){
|
||
| 42 | return;
|
||
| 43 | } |
||
| 44 | if(o.after){
|
||
| 45 | o.after(); |
||
| 46 | }else{
|
||
| 47 | o.before(); |
||
| 48 | } |
||
| 49 | this.undostack.push(o);
|
||
| 50 | }}); |
||
| 51 | } |