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