/* Javascript Wetenschappelijke Publicaties Database */
/* Copyright by B&T Ontwerp en advies */

// Lengte van de publicaties
var pub_lengte = 5;

var timer=null;

// Roep functies aan na het laden van de pagina en jQuery
$(document).ready(function(){
	expertiseCollapse();
	publicationsCollapse();
	tooltipFn();
	makeProfielTab();
});


function makeProfielTab(){
	$("#additional_information").hide();
	$("#profiel_menu a").click(function(){
		
		$("#profiel_content div").hide();
		$("#"+this.rel).show();
		
		$("#profiel_menu li").each(function(){
			$(this).removeClass('active');									
		});
		
		$(this).parent().addClass('active');
		
		return false;
	});
}

// Functie die publicaties inkort
function publicationsCollapse(){
	$(".expertise_publications").each(function(){
		var li = this.getElementsByTagName("li");
		if(li.length > pub_lengte){
			for(var i=li.length-1; i>(li.length-1)-(li.length-pub_lengte); i--){
				li[i].style.display="none";
			}
			var newLi = document.createElement('li');
			newLi.innerHTML="<a rel='in' onclick='publicationCollapseClick(this); return false;' href='#'>[ More ... ]</a>";
			newLi.className="showMore";
			this.appendChild(newLi);
		}
	});
}

// Functie die publicaties toggled via een knop
function publicationCollapseClick(id){
	var li = id.parentNode.parentNode.getElementsByTagName("li");
	
	if(id.rel=="out"){
		id.innerHTML = '[ More ... ]';
		id.rel="in";
		
		for(var i=li.length-2; i>(li.length-1)-(li.length-pub_lengte); i--){
				li[i].style.display="none";
		}
		
	} else {
		id.innerHTML = '[ Show '+pub_lengte+' ]';
		id.rel="out";
		
		for(var i=0; i<li.length-1; i++){
			li[i].style.display="list-item";
		}
	}
}

// In en uitklapbare content in ecHeader container
function expertiseCollapse(){
	var text1 = "Collapse content";
	var text2 = "Expand content";
	var delay = 1000;
	
	$(".excol a").click(function(){
		var rel = this.rel;
		if(rel=="expand"){
			$(".ecHeader a").each(function(){
				var rel2 = this.rel;
				var element = document.getElementById(rel2);
				var h3 = this;
				$(element).slideDown('middle',function(){						 
					$(h3).removeClass().addClass('down');
				});
			});
		} else if(rel=="collapse"){
			$(".ecHeader a").each(function(){
				var rel2 = this.rel;
				var element = document.getElementById(rel2);
				var h3 = this;
				$(element).slideUp('middle',function(){						 
					$(h3).removeClass().addClass('right');
				});
			});
		} else if(rel=="expandAll"){
			$(".ecHeader a").each(function(){
				var rel2 = this.rel;
				var element = document.getElementById(rel2);
				var h3 = this;
				$(element).slideDown('middle',function(){						 
					$(h3).removeClass().addClass('right');
				});
				$(".expertise_publications li").css({'display': 'list-item'});	
				$(".expertise_publications li.showMore a").attr({'rel': 'out'}).html('[Show '+pub_lengte+']');				
			});
			this.innerHTML="show "+pub_lengte+" publications";
			this.rel="collapseAll";
		} else if(rel=="collapseAll"){
			$(".expertise_publications").each(function(){
				var li = this.getElementsByTagName("li");
				if(li.length > pub_lengte){
					for(var i=li.length-2; i>(li.length-1)-(li.length-pub_lengte); i--){
						li[i].style.display="none";
					}
				}
				$(".expertise_publications li.showMore a").attr({'rel': 'out'}).html('[More ...]');	
			});	
			this.innerHTML="show all publications";
			this.rel="expandAll";
		}

		return false;
		
	});
		
	$(".ecHeader a").each(function(){
		$(this).addClass('down');									   
	}).click(function(){
		var rel = this.rel;
		var element = document.getElementById(rel);
		var h3 = this;
		
		$(element).slideToggle('middle',function(){						 
			if($(element).is(":hidden")){
				currentText = text2;	
				$(h3).removeClass().addClass('right');
			} else {
				currentText = text1;
				$(h3).removeClass().addClass('down');
			}
			$("#expertise_tooltip").html(currentText);
		});
		
		return false;
		
	}).mouseover(function(e){
		var rel = this.rel;
		var element = document.getElementById(rel);
		var h3 = this;
		
		if($(element).is(":hidden")){
			currentText = text2;	
			$(h3).removeClass().addClass('down_hov');
		} else {
			currentText = text1;	
			$(h3).removeClass().addClass('right_hov');
		}
		
		var pageX = e.pageX+13;
		var pageY = e.pageY+13;
		
		timer = setTimeout('$("#expertise_tooltip").html("'+currentText+'").css({"left": "'+pageX+'px","top": "'+pageY+'px"}).show(100).fadeTo(0,0.8)',delay);
		
	}).mousemove(function(e){
		$("#expertise_tooltip").css({'left': (e.pageX+13)+'px','top': (e.pageY+10)+'px'});
	}).mouseout(function(){
		var rel = this.rel;
		var element = document.getElementById(rel);
		var h3 = this;
		
		if($(element).is(":hidden")){
			currentText = text2;	
			$(h3).removeClass().addClass('right');
		} else {
			currentText = text1;	
			$(h3).removeClass().addClass('down');
		}
		
		clearTimeout(timer);
		if($("#expertise_tooltip").is(":visible")){
			$("#expertise_tooltip").hide(50);
		}
	});
}

// Functie die de tooltip genereert
function tooltipFn(){
	$(".tooltip").mouseover(function(e){
		var rel = this.rel;		
		var pageX = e.pageX+13;
		var pageY = e.pageY+13;
		
		timer = setTimeout('$("#expertise_tooltip").html("'+rel+'").css({"left": "'+pageX+'px","top": "'+pageY+'px"}).show(100).fadeTo(0,0.8)',150);
	}).mousemove(function(e){
		$("#expertise_tooltip").css({'left': (e.pageX+13)+'px','top': (e.pageY+10)+'px'});
	}).mouseout(function(){
		clearTimeout(timer);
		if($("#expertise_tooltip").is(":visible")){
			$("#expertise_tooltip").hide(50);
		}
	});
}

// Functie die tabs genereerd
function ddtabcontent(tabinterfaceid){
	this.tabinterfaceid=tabinterfaceid //ID of Tab Menu main container
	this.tabbed=true;
	this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a") //Get all tab links within container
	this.enabletabpersistence=true
	this.hottabspositions=[] //Array to store position of tabs that have a "rel" attr defined, relative to all tab links, within container
	this.currentTabIndex=0 //Index of currently selected hot tab (tab with sub content) within hottabspositions[] array
	this.subcontentids=[] //Array to store ids of the sub contents ("rel" attr values)
	this.revcontentids=[] //Array to store ids of arbitrary contents to expand/contact as well ("rev" attr values)
	this.selectedClassTarget="link" //keyword to indicate which target element to assign "selected" CSS class ("linkparent" or "link")
}

ddtabcontent.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

ddtabcontent.setCookie=function(name, value){
	document.cookie = name+"="+value+";path=/" //cookie value is domain wide (path=/)
}

ddtabcontent.prototype={

	expandit:function(tabid_or_position){ //PUBLIC function to select a tab either by its ID or position(int) within its peers
		this.cancelautorun() //stop auto cycling of tabs (if running)
		var tabref=""
		try{
			if (typeof tabid_or_position=="string" && document.getElementById(tabid_or_position).getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=document.getElementById(tabid_or_position)
			else if (parseInt(tabid_or_position)!=NaN && this.tabs[tabid_or_position].getAttribute("rel")) //if specified tab contains "rel" attr
				tabref=this.tabs[tabid_or_position]
		}
		catch(err){alert("Invalid Tab ID or position entered!")}
		if (tabref!="") //if a valid tab is found based on function parameter
			this.expandtab(tabref) //expand this tab
	},

	cycleit:function(dir, autorun){ //PUBLIC function to move foward or backwards through each hot tab (tabinstance.cycleit('foward/back') )
		if (dir=="next"){
			var currentTabIndex=(this.currentTabIndex<this.hottabspositions.length-1)? this.currentTabIndex+1 : 0
		}
		else if (dir=="prev"){
			var currentTabIndex=(this.currentTabIndex>0)? this.currentTabIndex-1 : this.hottabspositions.length-1
		}
		if (typeof autorun=="undefined") //if cycleit() is being called by user, versus autorun() function
			this.cancelautorun() //stop auto cycling of tabs (if running)
		this.expandtab(this.tabs[this.hottabspositions[currentTabIndex]])
	},

	setpersist:function(bool){ //PUBLIC function to toggle persistence feature
			this.enabletabpersistence=bool
	},

	setselectedClassTarget:function(objstr){ //PUBLIC function to set which target element to assign "selected" CSS class ("linkparent" or "link")
		this.selectedClassTarget=objstr || "link"
	},

	getselectedClassTarget:function(tabref){ //Returns target element to assign "selected" CSS class to
		return (this.selectedClassTarget==("linkparent".toLowerCase()))? tabref.parentNode : tabref
	},

	urlparamselect:function(tabinterfaceid){
		var result=window.location.search.match(new RegExp(tabinterfaceid+"=(\\d+)", "i")) //check for "?tabinterfaceid=2" in URL
		return (result==null)? null : parseInt(RegExp.$1) //returns null or index, where index (int) is the selected tab's index
	},

	expandtab:function(tabref){
		var subcontentid=tabref.getAttribute("rel") //Get id of subcontent to expand
		//Get "rev" attr as a string of IDs in the format ",john,george,trey,etc," to easily search through
		var associatedrevids=(tabref.getAttribute("rev"))? ","+tabref.getAttribute("rev").replace(/\s+/, "")+"," : ""
		this.expandsubcontent(subcontentid)
		this.expandrevcontent(associatedrevids)
		for (var i=0; i<this.tabs.length; i++){ //Loop through all tabs, and assign only the selected tab the CSS class "selected"
			this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("rel")==subcontentid)? "selected" : ""
		}
		if (this.enabletabpersistence) //if persistence enabled, save selected tab position(int) relative to its peers
			ddtabcontent.setCookie(this.tabinterfaceid, tabref.tabposition)
		this.setcurrenttabindex(tabref.tabposition) //remember position of selected tab within hottabspositions[] array
	},

	expandsubcontent:function(subcontentid){
		for (var i=0; i<this.subcontentids.length; i++){
			var subcontent=document.getElementById(this.subcontentids[i]) //cache current subcontent obj (in for loop)
			subcontent.style.display=(subcontent.id==subcontentid)? "block" : "none" //"show" or hide sub content based on matching id attr value
		}
	},

	expandrevcontent:function(associatedrevids){
		var allrevids=this.revcontentids
		for (var i=0; i<allrevids.length; i++){ //Loop through rev attributes for all tabs in this tab interface
			//if any values stored within associatedrevids matches one within allrevids, expand that DIV, otherwise, contract it
			document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)? "block" : "none"
		}
	},
	
	setcurrenttabindex:function(tabposition){ //store current position of tab (within hottabspositions[] array)
		for (var i=0; i<this.hottabspositions.length; i++){
			if (tabposition==this.hottabspositions[i]){
				this.currentTabIndex=i
				break
			}
		}
	},

	autorun:function(){ //function to auto cycle through and select tabs based on a set interval
		this.cycleit('next', true)
	},

	
	cancelautorun:function(){
		if (typeof this.autoruntimer!="undefined")
			clearInterval(this.autoruntimer)
	},
	
	makeExpandIndexButton:function(){ // Functie voor het klikken op de pijl in de indexpagina
		var li = document.getElementById("index_dd");
		if(!li) return;
		
		var url = li.getElementsByTagName("a");
		var url = url[0];
		
		var img = li.getElementsByTagName("img");
		var img = img[0];
		
		var tabbed = this.tabbed;
		
		var tabs = document.getElementById('tabIndex').getElementsByTagName("a");
		
		if(tabbed){
			li.onclick = function(){
				expertiseTabIndex.tabbed = false;
			
				$('.expertise_index_top').fadeIn('fast');
				
				var tabs = document.getElementById('tabIndex').getElementsByTagName("a");
				for (var i=0; i<tabs.length; i++){
					if(tabs[i].rel!=""){
						document.getElementById(tabs[i].rel).style.display="block";
						$(tabs[i]).hide('fast');
					}
				}
				$(li).addClass('index_dd_hover');
				expertiseTabIndex.makeExpandIndexButton();
				return false;
			}
			li.onmouseover = function(){
				$(li).addClass('index_dd_hover');	
			}
			li.onmouseout = function(){
				$(li).removeClass('index_dd_hover');	
			}			
		} else {
			li.onclick = function(){
				expertiseTabIndex.tabbed = true;

				$('.expertise_index_top').fadeOut('fast');
				
				var tabs = document.getElementById('tabIndex').getElementsByTagName("a");
				for (var i=0; i<tabs.length; i++){
					if(tabs[i].rel!=""){
						if(expertiseTabIndex.currentTabIndex!=i){
							document.getElementById(tabs[i].rel).style.display="none";
						}
						$(tabs[i]).show('fast');
					}
				}
				$(li).removeClass('index_dd_hover');
				expertiseTabIndex.makeExpandIndexButton();
				return false;
			}
			li.onmouseover = function(){
				$(li).removeClass('index_dd_hover');	
			}
			li.onmouseout = function(){
				$(li).addClass('index_dd_hover');	
			}
		}
	},
	
	makeExpandButton:function(){ // Functie voor het klikken op de pijl in de profielpagina
		var li = document.getElementById("profiel_dd");
		if(!li) return;
		
		var url = li.getElementsByTagName("a");
		var url = url[0];
		
		var img = li.getElementsByTagName("img");
		var img = img[0];
		var url = document.getElementById("ExpandTabs");
		
		var tabbed = this.tabbed;
		
		var tabs = document.getElementById('tabProfile').getElementsByTagName("a");
				
		if(tabbed){
			li.onclick = function(){ 
				expertiseTabIndex.tabbed = false;
				img.src = 'images/arr_down.gif';
				for (var i=0; i<tabs.length; i++){
					if(tabs[i].rel!=""){
						document.getElementById(tabs[i].rel).style.display="block";
						$(tabs[i]).hide('fast');
					}
				}
				expertiseTabIndex.makeExpandButton();
				return false;
			}
			li.onmouseover = function(){
				img.src = '/main/erim/images/arr_down_hov.gif';	
			}
			li.onmouseout = function(){
				img.src = '/main/erim/images/arr_right.gif';	
			}
		} else {
			li.onclick = function(){ 
				expertiseTabIndex.tabbed = true;
				img.src = 'images/arr_right.gif';
				for (var i=0; i<tabs.length; i++){
					if(tabs[i].rel!=""){
						if(expertiseTabIndex.currentTabIndex!=i-1){
							document.getElementById(tabs[i].rel).style.display="none";
						}
						$(tabs[i]).show('fast');
					}
				}
				expertiseTabIndex.makeExpandButton();
				return false;
			}
			li.onmouseover = function(){
				img.src = '/main/erim/images/arr_right_hov.gif';	
			}
			li.onmouseout = function(){
				img.src = '/main/erim/images/arr_down.gif';	
			}
		}
				
	},
	
	init:function(automodeperiod){
		this.makeExpandButton();
		this.makeExpandIndexButton(); 
		var persistedtab=ddtabcontent.getCookie(this.tabinterfaceid) //get position of persisted tab (applicable if persistence is enabled)
		var selectedtab=-1 //Currently selected tab index (-1 meaning none)
		var selectedtabfromurl=this.urlparamselect(this.tabinterfaceid) //returns null or index from: tabcontent.htm?tabinterfaceid=index
		this.automodeperiod=automodeperiod || 0
		for (var i=0; i<this.tabs.length; i++){
			this.tabs[i].tabposition=i //remember position of tab relative to its peers
			if (this.tabs[i].getAttribute("rel")){
				var tabinstance=this
				this.hottabspositions[this.hottabspositions.length]=i //store position of "hot" tab ("rel" attr defined) relative to its peers
				this.subcontentids[this.subcontentids.length]=this.tabs[i].getAttribute("rel") //store id of sub content ("rel" attr value)
				this.tabs[i].onclick=function(){
					tabinstance.expandtab(this)
					tabinstance.cancelautorun() //stop auto cycling of tabs (if running)
					
					return false
				}
				if (this.tabs[i].getAttribute("rev")){ //if "rev" attr defined, store each value within "rev" as an array element
					this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))
				}
				if (selectedtabfromurl==i || this.enabletabpersistence && selectedtab==-1 && parseInt(persistedtab)==i || !this.enabletabpersistence && selectedtab==-1 && this.getselectedClassTarget(this.tabs[i]).className=="selected"){
					selectedtab=i //Selected tab index, if found
				}
			}
		} 
		if (selectedtab!=-1) //if a valid default selected tab index is found
			this.expandtab(this.tabs[selectedtab]) //expand selected tab (either from URL parameter, persistent feature, or class="selected" class)
		else //if no valid default selected index found
			this.expandtab(this.tabs[this.hottabspositions[0]]) //Just select first tab that contains a "rel" attr
		if (parseInt(this.automodeperiod)>500 && this.hottabspositions.length>1){
			this.autoruntimer=setInterval(function(){tabinstance.autorun()}, this.automodeperiod)
		}
	}

}