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/*
	Copyright (c) 2004-2008, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/book/dojo-book-0-9/introduction/licensing
*/


if(!dojo._hasResource["dijit._base.focus"]){dojo._hasResource["dijit._base.focus"]=true;dojo.provide("dijit._base.focus");dojo.mixin(dijit,{_curFocus:null,_prevFocus:null,isCollapsed:function(){var _1=dojo.global;var _2=dojo.doc;if(_2.selection){return !_2.selection.createRange().text;}else{var _3=_1.getSelection();if(dojo.isString(_3)){return !_3;}else{return _3.isCollapsed||!_3.toString();}}},getBookmark:function(){var _4,_5=dojo.doc.selection;if(_5){var _6=_5.createRange();if(_5.type.toUpperCase()=="CONTROL"){if(_6.length){_4=[];var i=0,_8=_6.length;while(i<_8){_4.push(_6.item(i++));}}else{_4=null;}}else{_4=_6.getBookmark();}}else{if(window.getSelection){_5=dojo.global.getSelection();if(_5){_6=_5.getRangeAt(0);_4=_6.cloneRange();}}else{console.warn("No idea how to store the current selection for this browser!");}}return _4;},moveToBookmark:function(_9){var _a=dojo.doc;if(_a.selection){var _b;if(dojo.isArray(_9)){_b=_a.body.createControlRange();dojo.forEach(_9,"range.addElement(item)");}else{_b=_a.selection.createRange();_b.moveToBookmark(_9);}_b.select();}else{var _c=dojo.global.getSelection&&dojo.global.getSelection();if(_c&&_c.removeAllRanges){_c.removeAllRanges();_c.addRange(_9);}else{console.warn("No idea how to restore selection for this browser!");}}},getFocus:function(_d,_e){return {node:_d&&dojo.isDescendant(dijit._curFocus,_d.domNode)?dijit._prevFocus:dijit._curFocus,bookmark:!dojo.withGlobal(_e||dojo.global,dijit.isCollapsed)?dojo.withGlobal(_e||dojo.global,dijit.getBookmark):null,openedForWindow:_e};},focus:function(_f){if(!_f){return;}var _10="node" in _f?_f.node:_f,_11=_f.bookmark,_12=_f.openedForWindow;if(_10){var _13=(_10.tagName.toLowerCase()=="iframe")?_10.contentWindow:_10;if(_13&&_13.focus){try{_13.focus();}catch(e){}}dijit._onFocusNode(_10);}if(_11&&dojo.withGlobal(_12||dojo.global,dijit.isCollapsed)){if(_12){_12.focus();}try{dojo.withGlobal(_12||dojo.global,dijit.moveToBookmark,null,[_11]);}catch(e){}}},_activeStack:[],registerWin:function(_14){if(!_14){_14=window;}dojo.connect(_14.document,"onmousedown",function(evt){dijit._justMouseDowned=true;setTimeout(function(){dijit._justMouseDowned=false;},0);dijit._onTouchNode(evt.target||evt.srcElement);});var _16=_14.document.body||_14.document.getElementsByTagName("body")[0];if(_16){if(dojo.isIE){_16.attachEvent("onactivate",function(evt){if(evt.srcElement.tagName.toLowerCase()!="body"){dijit._onFocusNode(evt.srcElement);}});_16.attachEvent("ondeactivate",function(evt){dijit._onBlurNode(evt.srcElement);});}else{_16.addEventListener("focus",function(evt){dijit._onFocusNode(evt.target);},true);_16.addEventListener("blur",function(evt){dijit._onBlurNode(evt.target);},true);}}_16=null;},_onBlurNode:function(_1b){dijit._prevFocus=dijit._curFocus;dijit._curFocus=null;if(dijit._justMouseDowned){return;}if(dijit._clearActiveWidgetsTimer){clearTimeout(dijit._clearActiveWidgetsTimer);}dijit._clearActiveWidgetsTimer=setTimeout(function(){delete dijit._clearActiveWidgetsTimer;dijit._setStack([]);dijit._prevFocus=null;},100);},_onTouchNode:function(_1c){if(dijit._clearActiveWidgetsTimer){clearTimeout(dijit._clearActiveWidgetsTimer);delete dijit._clearActiveWidgetsTimer;}var _1d=[];try{while(_1c){if(_1c.dijitPopupParent){_1c=dijit.byId(_1c.dijitPopupParent).domNode;}else{if(_1c.tagName&&_1c.tagName.toLowerCase()=="body"){if(_1c===dojo.body()){break;}_1c=dijit.getDocumentWindow(_1c.ownerDocument).frameElement;}else{var id=_1c.getAttribute&&_1c.getAttribute("widgetId");if(id){_1d.unshift(id);}_1c=_1c.parentNode;}}}}catch(e){}dijit._setStack(_1d);},_onFocusNode:function(_1f){if(_1f&&_1f.tagName&&_1f.tagName.toLowerCase()=="body"){return;}dijit._onTouchNode(_1f);if(_1f==dijit._curFocus){return;}if(dijit._curFocus){dijit._prevFocus=dijit._curFocus;}dijit._curFocus=_1f;dojo.publish("focusNode",[_1f]);},_setStack:function(_20){var _21=dijit._activeStack;dijit._activeStack=_20;for(var _22=0;_22<Math.min(_21.length,_20.length);_22++){if(_21[_22]!=_20[_22]){break;}}for(var i=_21.length-1;i>=_22;i--){var _24=dijit.byId(_21[i]);if(_24){_24._focused=false;_24._hasBeenBlurred=true;if(_24._onBlur){_24._onBlur();}if(_24._setStateClass){_24._setStateClass();}dojo.publish("widgetBlur",[_24]);}}for(i=_22;i<_20.length;i++){_24=dijit.byId(_20[i]);if(_24){_24._focused=true;if(_24._onFocus){_24._onFocus();}if(_24._setStateClass){_24._setStateClass();}dojo.publish("widgetFocus",[_24]);}}}});dojo.addOnLoad(dijit.registerWin);}
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