/*
* Ext JS Library 3.0 Pre-alpha
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
Ext.lib.Event=function(){var loadComplete=false,listeners=[],unloadListeners=[],retryCount=0,onAvailStack=[],_interval,locked=false,win=window,doc=document,POLL_RETRYS=200,POLL_INTERVAL=20,EL=0,TYPE=1,FN=2,WFN=3,OBJ=3,ADJ_SCOPE=4,doAdd=function(){var ret;if(win.addEventListener){ret=function(el,eventName,fn,capture){if(eventName=='mouseenter'){fn=fn.createInterceptor(checkRelatedTarget);el.addEventListener('mouseover',fn,(capture));}else if(eventName=='mouseleave'){fn=fn.createInterceptor(checkRelatedTarget);el.addEventListener('mouseout',fn,(capture));}else{el.addEventListener(eventName,fn,(capture));} return fn;};}else if(win.attachEvent){ret=function(el,eventName,fn,capture){el.attachEvent("on"+eventName,fn);return fn;};}else{ret=function(){};} return ret;}(),doRemove=function(){var ret;if(win.removeEventListener){ret=function(el,eventName,fn,capture){if(eventName=='mouseenter'){eventName='mouseover'}else if(eventName=='mouseleave'){eventName='mouseout'} el.removeEventListener(eventName,fn,(capture));};}else if(win.detachEvent){ret=function(el,eventName,fn){el.detachEvent("on"+eventName,fn);};}else{ret=function(){};} return ret;}();function checkRelatedTarget(e){var related=e.relatedTarget,isXulEl=Object.prototype.toString.apply(related)=='[object XULElement]';if(!related)return false;return(!isXulEl&&related!=this&&this.tag!='document'&&!elContains(this,related));} function elContains(parent,child){while(child){if(child===parent){return true;} try{child=child.parentNode;}catch(e){return false;} if(child&&(child.nodeType!=1)){child=null;}} return false;} function _getCacheIndex(el,eventName,fn){var index=-1;Ext.each(listeners,function(v,i){if(v&&v[FN]==fn&&v[EL]==el&&v[TYPE]==eventName){index=i;}});return index;} function _tryPreloadAttach(){var ret=false,notAvail=[],element,tryAgain=!loadComplete||(retryCount>0);if(!locked){locked=true;Ext.each(onAvailStack,function(v,i,a){if(v&&(element=doc.getElementById(v.id))){if(!v.checkReady||loadComplete||element.nextSibling||(doc&&doc.body)){element=v.override?(v.override===true?v.obj:v.override):element;v.fn.call(element,v.obj);onAvailStack[i]=null;}else{notAvail.push(item);}}});retryCount=(notAvail.length==0)?0:retryCount-1;if(tryAgain){startInterval();}else{clearInterval(_interval);_interval=null;} ret=!(locked=false);} return ret;} function startInterval(){if(!_interval){var callback=function(){_tryPreloadAttach();};_interval=setInterval(callback,pub.POLL_INTERVAL);}} function getScroll(){var scroll=Ext.get(doc).getScroll();return[scroll.top,scroll.top];} function getPageCoord(ev,xy){ev=ev.browserEvent||ev;var coord=ev['page'+xy];if(!coord&&0!=coord){coord=ev['client'+xy]||0;if(Ext.isIE){coord+=getScroll()[xy=="X"?0:1];}} return coord;} var pub={onAvailable:function(p_id,p_fn,p_obj,p_override){onAvailStack.push({id:p_id,fn:p_fn,obj:p_obj,override:p_override,checkReady:false});retryCount=this.POLL_RETRYS;startInterval();},addListener:function(el,eventName,fn){var ret;el=Ext.getDom(el);if(el&&fn){if("unload"==eventName){ret=!!(unloadListeners[unloadListeners.length]=[el,eventName,fn]);}else{listeners.push([el,eventName,fn,ret=doAdd(el,eventName,fn,false)]);}} return!!ret;},removeListener:function(el,eventName,fn){var ret=false,index,cacheItem;el=Ext.getDom(el);if(!fn){ret=this.purgeElement(el,false,eventName);}else if("unload"==eventName){Ext.each(unloadListeners,function(v,i,a){if(v&&v[0]==el&&v[1]==evantName&&v[2]==fn){unloadListeners.splice(i,1);ret=true;}});}else{index=arguments[3]||_getCacheIndex(el,eventName,fn);cacheItem=listeners[index];if(el&&cacheItem){doRemove(el,eventName,cacheItem[WFN],false);cacheItem[WFN]=cacheItem[FN]=null;listeners.splice(index,1);ret=true;}} return ret;},getTarget:function(ev){ev=ev.browserEvent||ev;return this.resolveTextNode(ev.target||ev.srcElement);},resolveTextNode:function(node){return Ext.isSafari&&node&&3==node.nodeType?node.parentNode:node;},getPageX:function(ev){return getPageCoord(ev,"X");},getPageY:function(ev){return getPageCoord(ev,"Y");},getXY:function(ev){return[this.getPageX(ev),this.getPageY(ev)];},getRelatedTarget:function(ev){ev=ev.browserEvent||ev;return this.resolveTextNode(ev.relatedTarget||(ev.type=="mouseout"?ev.toElement:ev.type=="mouseover"?ev.fromElement:null));},stopEvent:function(ev){this.stopPropagation(ev);this.preventDefault(ev);},stopPropagation:function(ev){ev=ev.browserEvent||ev;if(ev.stopPropagation){ev.stopPropagation();}else{ev.cancelBubble=true;}},preventDefault:function(ev){ev=ev.browserEvent||ev;if(ev.preventDefault){ev.preventDefault();}else{ev.returnValue=false;}},getEvent:function(e){e=e||win.event;if(!e){var c=this.getEvent.caller;while(c){e=c.arguments[0];if(e&&Event==e.constructor){break;} c=c.caller;}} return e;},getCharCode:function(ev){ev=ev.browserEvent||ev;return ev.charCode||ev.keyCode||0;},_load:function(e){loadComplete=true;var EU=Ext.lib.Event;if(Ext.isIE&&e!==true){doRemove(win,"load",EU._load);}},purgeElement:function(el,recurse,eventName){var me=this;Ext.each(me.getListeners(el,eventName),function(v){if(v)me.removeListener(el,v.type,v.fn);});if(recurse&&el&&el.childNodes){Ext.each(el.childNodes,function(v){me.purgeElement(v,recurse,eventName);});}},getListeners:function(el,eventName){var me=this,results=[],searchLists=[listeners,unloadListeners];if(eventName){searchLists.splice(eventName=="unload"?0:1,1);}else{searchLists=searchLists[0].concat(searchLists[1]);} Ext.each(searchLists,function(v,i){if(v&&v[me.EL]==el&&(!eventName||eventName==v[me.type])){results.push({type:v[TYPE],fn:v[FN],obj:v[OBJ],adjust:v[ADJ_SCOPE],index:i});}});return results.length?results:null;},_unload:function(e){var EU=Ext.lib.Event,i,j,l,len,index,scope;Ext.each(unloadListeners,function(v){if(v){scope=v[ADJ_SCOPE]?(v[ADJ_SCOPE]===true?v[OBJ]:v[ADJ_SCOPE]):win;v[FN].call(scope,EU.getEvent(e),v[OBJ]);}});unloadListeners=null;if(listeners&&(j=listeners.length)){while(j){if(l=listeners[index=--j]){EU.removeListener(l[EL],l[TYPE],l[FN],index);}}} doRemove(win,"unload",EU._unload);}};pub.on=pub.addListener;pub.un=pub.removeListener;if(doc&&doc.body){pub._load(true);}else{doAdd(win,"load",pub._load);} doAdd(win,"unload",pub._unload);_tryPreloadAttach();return pub;}();
