root / trunk / web / dojo / dijit / _KeyNavContainer.js @ 9
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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["dijit._KeyNavContainer"]){ |
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| 9 | dojo._hasResource["dijit._KeyNavContainer"]=true; |
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| 10 | dojo.provide("dijit._KeyNavContainer");
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| 11 | dojo.require("dijit._Container");
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| 12 | dojo.declare("dijit._KeyNavContainer",dijit._Container,{tabIndex:"0",_keyNavCodes:{},connectKeyNavHandlers:function(_1,_2){ |
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| 13 | var _3=(this._keyNavCodes={}); |
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| 14 | var _4=dojo.hitch(this,this.focusPrev); |
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| 15 | var _5=dojo.hitch(this,this.focusNext); |
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| 16 | dojo.forEach(_1,function(_6){
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| 17 | _3[_6]=_4; |
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| 18 | }); |
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| 19 | dojo.forEach(_2,function(_7){
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| 20 | _3[_7]=_5; |
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| 21 | }); |
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| 22 | this.connect(this.domNode,"onkeypress","_onContainerKeypress"); |
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| 23 | this.connect(this.domNode,"onfocus","_onContainerFocus"); |
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| 24 | },startupKeyNavChildren:function(){ |
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| 25 | dojo.forEach(this.getChildren(),dojo.hitch(this,"_startupChild")); |
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| 26 | },addChild:function(_8,_9){ |
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| 27 | dijit._KeyNavContainer.superclass.addChild.apply(this,arguments); |
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| 28 | this._startupChild(_8);
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| 29 | },focus:function(){ |
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| 30 | this.focusFirstChild();
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| 31 | },focusFirstChild:function(){ |
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| 32 | var _a=this._getFirstFocusableChild(); |
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| 33 | if(_a){
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| 34 | this.focusChild(_a);
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| 35 | } |
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| 36 | },focusNext:function(){ |
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| 37 | var _b=this._getNextFocusableChild(this.focusedChild,1); |
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| 38 | this.focusChild(_b);
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| 39 | },focusPrev:function(){ |
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| 40 | var _c=this._getNextFocusableChild(this.focusedChild,-1); |
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| 41 | this.focusChild(_c,true); |
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| 42 | },focusChild:function(_d,_e){ |
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| 43 | if(this.focusedChild&&_d!==this.focusedChild){ |
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| 44 | this._onChildBlur(this.focusedChild); |
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| 45 | } |
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| 46 | _d.focus(_e?"end":"start"); |
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| 47 | this.focusedChild=_d;
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| 48 | },_startupChild:function(_f){ |
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| 49 | _f.set("tabIndex","-1"); |
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| 50 | this.connect(_f,"_onFocus",function(){ |
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| 51 | _f.set("tabIndex",this.tabIndex); |
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| 52 | }); |
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| 53 | this.connect(_f,"_onBlur",function(){ |
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| 54 | _f.set("tabIndex","-1"); |
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| 55 | }); |
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| 56 | },_onContainerFocus:function(evt){ |
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| 57 | if(evt.target!==this.domNode){ |
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| 58 | return;
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| 59 | } |
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| 60 | this.focusFirstChild();
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| 61 | dojo.attr(this.domNode,"tabIndex","-1"); |
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| 62 | },_onBlur:function(evt){ |
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| 63 | if(this.tabIndex){ |
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| 64 | dojo.attr(this.domNode,"tabIndex",this.tabIndex); |
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| 65 | } |
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| 66 | this.inherited(arguments); |
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| 67 | },_onContainerKeypress:function(evt){ |
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| 68 | if(evt.ctrlKey||evt.altKey){
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| 69 | return;
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| 70 | } |
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| 71 | var _10=this._keyNavCodes[evt.charOrCode]; |
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| 72 | if(_10){
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| 73 | _10(); |
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| 74 | dojo.stopEvent(evt); |
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| 75 | } |
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| 76 | },_onChildBlur:function(_11){ |
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| 77 | },_getFirstFocusableChild:function(){ |
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| 78 | return this._getNextFocusableChild(null,1); |
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| 79 | },_getNextFocusableChild:function(_12,dir){ |
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| 80 | if(_12){
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| 81 | _12=this._getSiblingOfChild(_12,dir);
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| 82 | } |
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| 83 | var _13=this.getChildren(); |
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| 84 | for(var i=0;i<_13.length;i++){ |
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| 85 | if(!_12){
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| 86 | _12=_13[(dir>0)?0:(_13.length-1)]; |
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| 87 | } |
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| 88 | if(_12.isFocusable()){
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| 89 | return _12;
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| 90 | } |
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| 91 | _12=this._getSiblingOfChild(_12,dir);
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| 92 | } |
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| 93 | return null; |
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| 94 | }}); |
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| 95 | } |