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304 lines
6.6 KiB
304 lines
6.6 KiB
/*
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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._base.focus"]){
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dojo._hasResource["dijit._base.focus"]=true;
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dojo.provide("dijit._base.focus");
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dojo.require("dojo.window");
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dojo.require("dijit._base.manager");
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dojo.mixin(dijit,{_curFocus:null,_prevFocus:null,isCollapsed:function(){
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return dijit.getBookmark().isCollapsed;
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},getBookmark:function(){
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var bm,rg,tg,_1=dojo.doc.selection,cf=dijit._curFocus;
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if(dojo.global.getSelection){
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_1=dojo.global.getSelection();
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if(_1){
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if(_1.isCollapsed){
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tg=cf?cf.tagName:"";
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if(tg){
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tg=tg.toLowerCase();
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if(tg=="textarea"||(tg=="input"&&(!cf.type||cf.type.toLowerCase()=="text"))){
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_1={start:cf.selectionStart,end:cf.selectionEnd,node:cf,pRange:true};
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return {isCollapsed:(_1.end<=_1.start),mark:_1};
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}
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}
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bm={isCollapsed:true};
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if(_1.rangeCount){
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bm.mark=_1.getRangeAt(0).cloneRange();
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}
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}else{
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rg=_1.getRangeAt(0);
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bm={isCollapsed:false,mark:rg.cloneRange()};
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}
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}
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}else{
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if(_1){
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tg=cf?cf.tagName:"";
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tg=tg.toLowerCase();
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if(cf&&tg&&(tg=="button"||tg=="textarea"||tg=="input")){
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if(_1.type&&_1.type.toLowerCase()=="none"){
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return {isCollapsed:true,mark:null};
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}else{
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rg=_1.createRange();
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return {isCollapsed:rg.text&&rg.text.length?false:true,mark:{range:rg,pRange:true}};
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}
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}
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bm={};
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try{
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rg=_1.createRange();
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bm.isCollapsed=!(_1.type=="Text"?rg.htmlText.length:rg.length);
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}
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catch(e){
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bm.isCollapsed=true;
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return bm;
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}
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if(_1.type.toUpperCase()=="CONTROL"){
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if(rg.length){
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bm.mark=[];
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var i=0,_2=rg.length;
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while(i<_2){
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bm.mark.push(rg.item(i++));
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}
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}else{
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bm.isCollapsed=true;
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bm.mark=null;
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}
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}else{
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bm.mark=rg.getBookmark();
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}
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}else{
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console.warn("No idea how to store the current selection for this browser!");
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}
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}
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return bm;
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},moveToBookmark:function(_3){
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var _4=dojo.doc,_5=_3.mark;
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if(_5){
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if(dojo.global.getSelection){
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var _6=dojo.global.getSelection();
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if(_6&&_6.removeAllRanges){
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if(_5.pRange){
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var r=_5;
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var n=r.node;
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n.selectionStart=r.start;
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n.selectionEnd=r.end;
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}else{
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_6.removeAllRanges();
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_6.addRange(_5);
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}
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}else{
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console.warn("No idea how to restore selection for this browser!");
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}
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}else{
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if(_4.selection&&_5){
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var rg;
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if(_5.pRange){
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rg=_5.range;
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}else{
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if(dojo.isArray(_5)){
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rg=_4.body.createControlRange();
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dojo.forEach(_5,function(n){
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rg.addElement(n);
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});
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}else{
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rg=_4.body.createTextRange();
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rg.moveToBookmark(_5);
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}
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}
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rg.select();
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}
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}
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}
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},getFocus:function(_7,_8){
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var _9=!dijit._curFocus||(_7&&dojo.isDescendant(dijit._curFocus,_7.domNode))?dijit._prevFocus:dijit._curFocus;
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return {node:_9,bookmark:(_9==dijit._curFocus)&&dojo.withGlobal(_8||dojo.global,dijit.getBookmark),openedForWindow:_8};
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},focus:function(_a){
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if(!_a){
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return;
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}
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var _b="node" in _a?_a.node:_a,_c=_a.bookmark,_d=_a.openedForWindow,_e=_c?_c.isCollapsed:false;
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if(_b){
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var _f=(_b.tagName.toLowerCase()=="iframe")?_b.contentWindow:_b;
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if(_f&&_f.focus){
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try{
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_f.focus();
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}
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catch(e){
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}
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}
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dijit._onFocusNode(_b);
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}
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if(_c&&dojo.withGlobal(_d||dojo.global,dijit.isCollapsed)&&!_e){
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if(_d){
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_d.focus();
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}
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try{
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dojo.withGlobal(_d||dojo.global,dijit.moveToBookmark,null,[_c]);
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}
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catch(e2){
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}
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}
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},_activeStack:[],registerIframe:function(_10){
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return dijit.registerWin(_10.contentWindow,_10);
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},unregisterIframe:function(_11){
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dijit.unregisterWin(_11);
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},registerWin:function(_12,_13){
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var _14=function(evt){
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dijit._justMouseDowned=true;
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setTimeout(function(){
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dijit._justMouseDowned=false;
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},0);
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if(dojo.isIE&&evt&&evt.srcElement&&evt.srcElement.parentNode==null){
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return;
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}
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dijit._onTouchNode(_13||evt.target||evt.srcElement,"mouse");
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};
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var doc=dojo.isIE?_12.document.documentElement:_12.document;
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if(doc){
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if(dojo.isIE){
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_12.document.body.attachEvent("onmousedown",_14);
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var _15=function(evt){
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if(evt.srcElement.tagName.toLowerCase()!="#document"&&dijit.isTabNavigable(evt.srcElement)){
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dijit._onFocusNode(_13||evt.srcElement);
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}else{
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dijit._onTouchNode(_13||evt.srcElement);
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}
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};
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doc.attachEvent("onactivate",_15);
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var _16=function(evt){
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dijit._onBlurNode(_13||evt.srcElement);
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};
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doc.attachEvent("ondeactivate",_16);
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return function(){
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_12.document.detachEvent("onmousedown",_14);
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doc.detachEvent("onactivate",_15);
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doc.detachEvent("ondeactivate",_16);
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doc=null;
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};
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}else{
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doc.body.addEventListener("mousedown",_14,true);
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var _17=function(evt){
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dijit._onFocusNode(_13||evt.target);
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};
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doc.addEventListener("focus",_17,true);
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var _18=function(evt){
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dijit._onBlurNode(_13||evt.target);
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};
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doc.addEventListener("blur",_18,true);
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return function(){
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doc.body.removeEventListener("mousedown",_14,true);
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doc.removeEventListener("focus",_17,true);
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doc.removeEventListener("blur",_18,true);
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doc=null;
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};
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}
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}
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},unregisterWin:function(_19){
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_19&&_19();
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},_onBlurNode:function(_1a){
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dijit._prevFocus=dijit._curFocus;
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dijit._curFocus=null;
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if(dijit._justMouseDowned){
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return;
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}
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if(dijit._clearActiveWidgetsTimer){
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clearTimeout(dijit._clearActiveWidgetsTimer);
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}
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dijit._clearActiveWidgetsTimer=setTimeout(function(){
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delete dijit._clearActiveWidgetsTimer;
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dijit._setStack([]);
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dijit._prevFocus=null;
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},100);
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},_onTouchNode:function(_1b,by){
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if(dijit._clearActiveWidgetsTimer){
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clearTimeout(dijit._clearActiveWidgetsTimer);
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delete dijit._clearActiveWidgetsTimer;
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}
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var _1c=[];
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try{
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while(_1b){
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var _1d=dojo.attr(_1b,"dijitPopupParent");
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if(_1d){
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_1b=dijit.byId(_1d).domNode;
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}else{
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if(_1b.tagName&&_1b.tagName.toLowerCase()=="body"){
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if(_1b===dojo.body()){
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break;
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}
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_1b=dojo.window.get(_1b.ownerDocument).frameElement;
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}else{
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var id=_1b.getAttribute&&_1b.getAttribute("widgetId"),_1e=id&&dijit.byId(id);
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if(_1e&&!(by=="mouse"&&_1e.get("disabled"))){
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_1c.unshift(id);
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}
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_1b=_1b.parentNode;
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}
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}
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}
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}
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catch(e){
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}
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dijit._setStack(_1c,by);
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},_onFocusNode:function(_1f){
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if(!_1f){
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return;
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}
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if(_1f.nodeType==9){
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return;
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}
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dijit._onTouchNode(_1f);
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if(_1f==dijit._curFocus){
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return;
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}
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if(dijit._curFocus){
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dijit._prevFocus=dijit._curFocus;
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}
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dijit._curFocus=_1f;
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dojo.publish("focusNode",[_1f]);
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},_setStack:function(_20,by){
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var _21=dijit._activeStack;
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dijit._activeStack=_20;
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for(var _22=0;_22<Math.min(_21.length,_20.length);_22++){
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if(_21[_22]!=_20[_22]){
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break;
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}
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}
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var _23;
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for(var i=_21.length-1;i>=_22;i--){
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_23=dijit.byId(_21[i]);
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if(_23){
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_23._focused=false;
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_23.set("focused",false);
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_23._hasBeenBlurred=true;
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if(_23._onBlur){
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_23._onBlur(by);
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}
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dojo.publish("widgetBlur",[_23,by]);
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}
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}
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for(i=_22;i<_20.length;i++){
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_23=dijit.byId(_20[i]);
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if(_23){
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_23._focused=true;
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_23.set("focused",true);
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if(_23._onFocus){
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_23._onFocus(by);
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}
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dojo.publish("widgetFocus",[_23,by]);
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}
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}
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}});
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dojo.addOnLoad(function(){
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var _24=dijit.registerWin(window);
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if(dojo.isIE){
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dojo.addOnWindowUnload(function(){
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dijit.unregisterWin(_24);
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_24=null;
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});
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}
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});
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}
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