root / trunk / web / dojo / dijit / _KeyNavContainer.js @ 13
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dijit._KeyNavContainer"]){ |
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dojo._hasResource["dijit._KeyNavContainer"]=true; |
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dojo.provide("dijit._KeyNavContainer");
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dojo.require("dijit._Container");
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dojo.declare("dijit._KeyNavContainer",dijit._Container,{tabIndex:"0",_keyNavCodes:{},connectKeyNavHandlers:function(_1,_2){ |
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var _3=(this._keyNavCodes={}); |
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var _4=dojo.hitch(this,this.focusPrev); |
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var _5=dojo.hitch(this,this.focusNext); |
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dojo.forEach(_1,function(_6){
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_3[_6]=_4; |
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}); |
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dojo.forEach(_2,function(_7){
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_3[_7]=_5; |
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}); |
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this.connect(this.domNode,"onkeypress","_onContainerKeypress"); |
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this.connect(this.domNode,"onfocus","_onContainerFocus"); |
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},startupKeyNavChildren:function(){ |
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dojo.forEach(this.getChildren(),dojo.hitch(this,"_startupChild")); |
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},addChild:function(_8,_9){ |
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dijit._KeyNavContainer.superclass.addChild.apply(this,arguments); |
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this._startupChild(_8);
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},focus:function(){ |
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this.focusFirstChild();
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},focusFirstChild:function(){ |
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var _a=this._getFirstFocusableChild(); |
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if(_a){
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this.focusChild(_a);
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} |
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},focusNext:function(){ |
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var _b=this._getNextFocusableChild(this.focusedChild,1); |
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this.focusChild(_b);
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},focusPrev:function(){ |
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var _c=this._getNextFocusableChild(this.focusedChild,-1); |
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this.focusChild(_c,true); |
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},focusChild:function(_d,_e){ |
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if(this.focusedChild&&_d!==this.focusedChild){ |
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this._onChildBlur(this.focusedChild); |
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} |
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_d.focus(_e?"end":"start"); |
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this.focusedChild=_d;
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},_startupChild:function(_f){ |
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_f.set("tabIndex","-1"); |
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this.connect(_f,"_onFocus",function(){ |
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_f.set("tabIndex",this.tabIndex); |
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}); |
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this.connect(_f,"_onBlur",function(){ |
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_f.set("tabIndex","-1"); |
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}); |
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},_onContainerFocus:function(evt){ |
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if(evt.target!==this.domNode){ |
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return;
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} |
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this.focusFirstChild();
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dojo.attr(this.domNode,"tabIndex","-1"); |
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},_onBlur:function(evt){ |
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if(this.tabIndex){ |
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dojo.attr(this.domNode,"tabIndex",this.tabIndex); |
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} |
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this.inherited(arguments); |
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},_onContainerKeypress:function(evt){ |
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if(evt.ctrlKey||evt.altKey){
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return;
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} |
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var _10=this._keyNavCodes[evt.charOrCode]; |
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if(_10){
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_10(); |
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dojo.stopEvent(evt); |
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} |
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},_onChildBlur:function(_11){ |
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},_getFirstFocusableChild:function(){ |
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return this._getNextFocusableChild(null,1); |
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},_getNextFocusableChild:function(_12,dir){ |
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if(_12){
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_12=this._getSiblingOfChild(_12,dir);
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} |
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var _13=this.getChildren(); |
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for(var i=0;i<_13.length;i++){ |
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if(!_12){
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_12=_13[(dir>0)?0:(_13.length-1)]; |
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} |
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if(_12.isFocusable()){
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return _12;
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} |
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_12=this._getSiblingOfChild(_12,dir);
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} |
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return null; |
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}}); |
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} |