diff options
Diffstat (limited to 'js/dojo-1.6/dojox/drawing/manager/Undo.js')
| -rw-r--r-- | js/dojo-1.6/dojox/drawing/manager/Undo.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/dojo-1.6/dojox/drawing/manager/Undo.js b/js/dojo-1.6/dojox/drawing/manager/Undo.js new file mode 100644 index 0000000..f09b93d --- /dev/null +++ b/js/dojo-1.6/dojox/drawing/manager/Undo.js @@ -0,0 +1,68 @@ +/*
+ Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
+ Available via Academic Free License >= 2.1 OR the modified BSD license.
+ see: http://dojotoolkit.org/license for details
+*/
+
+
+if(!dojo._hasResource["dojox.drawing.manager.Undo"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.drawing.manager.Undo"] = true;
+dojo.provide("dojox.drawing.manager.Undo");
+
+dojox.drawing.manager.Undo = dojox.drawing.util.oo.declare(
+ // summary
+ // Handles the Undo in drawing.
+ // NOTE: Only partially implemented!!! There is very
+ // little actual undo functionality!
+ //
+ function(options){
+ this.keys = options.keys;
+ this.undostack = [];
+ this.redostack = [];
+ dojo.connect(this.keys, "onKeyDown", this, "onKeyDown");
+ },
+ {
+ onKeyDown: function(evt){
+ if(!evt.cmmd){ return; }
+
+ if(evt.keyCode==90 && !evt.shift){
+ this.undo();
+ }else if((evt.keyCode == 90 && evt.shift) || evt.keyCode==89){
+ this.redo();
+ }
+
+ },
+ add: function(stack){
+ //console.log("undo add", stack)
+ stack.args = dojo.mixin({}, stack.args);
+ this.undostack.push(stack);
+ },
+ apply: function(scope, method, args){
+ dojo.hitch(scope, method)(args);
+ },
+ undo: function(){
+
+ var o = this.undostack.pop();
+ console.log("undo!", o);
+ if(!o){ return; }
+
+ o.before();
+
+ this.redostack.push(o);
+ },
+ redo: function(){
+ console.log("redo!");
+ var o = this.redostack.pop();
+ if(!o){ return; }
+ if(o.after){
+ o.after();
+ }else{
+ o.before(); ///??????
+ }
+
+ this.undostack.push(o);
+ }
+ }
+);
+
+}
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