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106 lines
2.9 KiB
106 lines
2.9 KiB
13 years ago
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/*
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Copyright (c) 2004-2011, 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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_3[dojo.keys.HOME]=dojo.hitch(this,"focusFirstChild");
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_3[dojo.keys.END]=dojo.hitch(this,"focusLastChild");
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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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},focusLastChild:function(){
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var _b=this._getLastFocusableChild();
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if(_b){
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this.focusChild(_b);
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}
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},focusNext:function(){
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var _c=this._getNextFocusableChild(this.focusedChild,1);
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this.focusChild(_c);
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},focusPrev:function(){
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var _d=this._getNextFocusableChild(this.focusedChild,-1);
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this.focusChild(_d,true);
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},focusChild:function(_e,_f){
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if(this.focusedChild&&_e!==this.focusedChild){
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this._onChildBlur(this.focusedChild);
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}
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_e.set("tabIndex",this.tabIndex);
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_e.focus(_f?"end":"start");
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this._set("focusedChild",_e);
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},_startupChild:function(_10){
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_10.set("tabIndex","-1");
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this.connect(_10,"_onFocus",function(){
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_10.set("tabIndex",this.tabIndex);
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});
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this.connect(_10,"_onBlur",function(){
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_10.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 _11=this._keyNavCodes[evt.charOrCode];
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if(_11){
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_11();
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dojo.stopEvent(evt);
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}
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},_onChildBlur:function(_12){
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},_getFirstFocusableChild:function(){
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return this._getNextFocusableChild(null,1);
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},_getLastFocusableChild:function(){
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return this._getNextFocusableChild(null,-1);
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},_getNextFocusableChild:function(_13,dir){
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if(_13){
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_13=this._getSiblingOfChild(_13,dir);
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}
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var _14=this.getChildren();
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for(var i=0;i<_14.length;i++){
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if(!_13){
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_13=_14[(dir>0)?0:(_14.length-1)];
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}
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if(_13.isFocusable()){
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return _13;
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}
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_13=this._getSiblingOfChild(_13,dir);
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}
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return null;
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}});
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}
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