searchFunc.js

// Load the Google Search AJAX API
google.load("search", "1");

function searchInit() {
	UNL_Search.peoplefinderCache = new UNL_Search.Cache();
	UNL_Search.hcardCache        = new UNL_Search.Cache();

	//Parse the querystring for q
	var qs = location.search.substring(1,location.search.length);
	qs = qs.replace(/\+/g, ' ');
	var args = qs.split('&');
	for (var i=0;i<args.length;i++) {
		var pair = args[i].split('=');
		var name = unescape(pair[0]);
		if (name == "q") {
			if (pair.length == 2) {
				UNL_Search.query = unescape(pair[1])
			} else {
				UNL_Search.query = "";
			}
			break;
		}
	}
	
	UNL_Search.unl_search = new google.search.WebSearch();
	//Apply the Custom Search Engine
	UNL_Search.unl_search.setSiteRestriction("015236299699564929946:nk1siew10ie");
	UNL_Search.unl_search.setResultSetSize(GSearch.LARGE_RESULTSET)
	UNL_Search.unl_search.setSearchCompleteCallback(UNL_Search, UNL_Search.handleUNLResults)
	UNL_Search.unl_search.setLinkTarget(GSearch.LINK_TARGET_SELF);

	if (UNL_Search.do_local_search) {
	
		UNL_Search.local_search = new google.search.WebSearch();
		//Apply the Custom Search Engine
		UNL_Search.local_search.setSiteRestriction(UNL_Search.local_search_context);
		//UNL_Search.local_search.setSiteRestriction('000150017203523626721:-1etga1qfci');
		UNL_Search.local_search.setResultSetSize(GSearch.SMALL_RESULTSET)
		UNL_Search.local_search.setSearchCompleteCallback(UNL_Search, UNL_Search.handleLocalResults)
		UNL_Search.local_search.setLinkTarget(GSearch.LINK_TARGET_SELF);
		
	}
	
	var gSearchForm = new GSearchForm(false, document.getElementById("searchform"));
	gSearchForm.setOnSubmitCallback(UNL_Search, UNL_Search.doQuery);
	gSearchForm.input.value = (UNL_Search.query ? UNL_Search.query : "");
	
	// Execute an inital search
	if (UNL_Search.query && UNL_Search.query != "") {
		UNL_Search.unl_search.execute(UNL_Search.query);
		if (UNL_Search.do_local_search) {
			UNL_Search.local_search.execute(UNL_Search.query);
		}
		UNL_Search.doPeoplefinderQuery(UNL_Search.query);
	}
}

//Attach search initializer to onLoad
google.setOnLoadCallback(searchInit);


//
// UNL_Search Namespace
//
if (typeof(UNL_Search) == "undefined")
	UNL_Search = {};

UNL_Search.query              	 = null;
UNL_Search.do_local_search    	 = false;
UNL_Search.unl_search         	 = null;
UNL_Search.local_search       	 = null;
UNL_Search.local_search_context  = null;
UNL_Search.scrolldelay        	 = null;
UNL_Search.hcardTimeout       	 = null;
UNL_Search.hcardCache         	 = null;
UNL_Search.peoplefinderCache  	 = null;

//Caching Class
//
UNL_Search.Cache = {};
UNL_Search.Cache = function() {
	this.storage = new Object();
};

UNL_Search.Cache.prototype.save = function(key, data) {
	this.storage[key] = data;
};

UNL_Search.Cache.prototype.get = function (key) {
	var val = null;
	
	if (this.storage[key] != null) {
		val = this.storage[key];
	}
	
	return val;
};

UNL_Search.handleUNLResults = function () {
	UNL_Search.handleResults('unl_results', UNL_Search.unl_search);
};

UNL_Search.handleLocalResults = function () {
	UNL_Search.handleResults('local_results', UNL_Search.local_search);
};

UNL_Search.handleResults = function (result_div, searchobj) {
	var resultsDIV = document.getElementById(result_div);
	
	if (searchobj.results && searchobj.results.length > 0) {
		resultsDIV.innerHTML = '';
		WDN.jQuery(resultsDIV).css('background', 'none');
		//var resultHead = '<p>Results <strong>' + (1 + 8 * searchobj.cursor.currentPageIndex) + '</strong> - <strong>' + (8 + 8 * searchobj.cursor.currentPageIndex) + '</strong> of about <strong>' + searchobj.cursor.estimatedResultCount + '</strong> for <em>' + query + '</em></p>';
		//resultsDIV.innerHTML += resultHead;
		for (var i = 0; i < searchobj.results.length; i++) {
			if (i % 2 != 0) {
				searchobj.results[i].html.className += " alt";
			}
			resultsDIV.appendChild(searchobj.results[i].html);
		}
		var nav = document.createElement("div");
		nav.className = "gs-search-nav";
		var search_name = 'unl_search';
		if (result_div.substring(0,5) == 'local') {
			search_name = 'local_search';
		}
		for (var i = 0; i < searchobj.cursor.pages.length; i++) {
			var pageText = '';
			if (searchobj.cursor.currentPageIndex != i) {
				pageText += '<a onclick="UNL_Search.'+search_name+'.gotoPage(' + i + '); return false;" href="#">' + searchobj.cursor.pages[i].label + '</a>&nbsp;&nbsp;';
			} else {
				pageText += searchobj.cursor.pages[i].label + '&nbsp;&nbsp;';
			}
			nav.innerHTML += pageText;
		}
		if (searchobj.cursor.pages.length >= 8) {
			nav.innerHTML += '<a href="' + searchobj.cursor.moreResultsUrl + '">More Results &gt;&gt;</a>';
		}
		resultsDIV.appendChild(nav);
	} else {
		WDN.jQuery(resultsDIV).html('<p>No results found.</p>');
	}
};


UNL_Search.doPeoplefinderQuery = function (val) {
	var cacheData = this.peoplefinderCache.get(val)
	if (cacheData) {
		this.handlePeoplefinderResults(cacheData);
	} else {
		var pointer = this;
		WDN.get("http://directory.unl.edu/service.php?q=" + val, null, function(data, textStatus) {
			pointer.peoplefinderCache.save(val, data);
			UNL_Search.handlePeoplefinderResults(data);
		});
	}
};

UNL_Search.handlePeoplefinderResults = function (peoplefinderText) {
	WDN.jQuery('#ppl_results').html(peoplefinderText);
};

UNL_Search.doQuery = function (form) {
	if (form.input.value != "") {
		this.query = form.input.value;
		if (this.do_local_search) {
			this.local_search.execute(form.input.value);
		}
		this.unl_search.execute(form.input.value);
		this.doPeoplefinderQuery(form.input.value);
	} else {
		document.getElementById("searchcontrol").innerHTML = '';
		document.getElementById("ppl_results").innerHTML = '';
	}
	
	return false;
};

UNL_Search.showHCard = function (ele, href) {
	var uid = href.substr(href.lastIndexOf("=") + 1);
	
	var cacheData = this.hcardCache.get(uid)
	if (cacheData) {
		this.buildHCard(cacheData, ele);
	} else {
		var http = new XMLHTTP();
		
		http.open("GET", "http://directory.unl.edu/hcards/" + uid, true);
		var pointer = this;
		http.onreadystatechange = function() {
			if (http.readyState == 4) {
				if (http.status == 200) {
					var data = http.responseText;
					
					pointer.hcardCache.save(uid, data);
					pointer.buildHCard(data, ele);
				} else {
					// Error loading file!
				}
			}
		};
		
		http.send(null);
	}
	
	return false;
};

UNL_Search.buildHCard = function (hcardText, ele) {
	_b.DOM.remE("peoplePopup");
	this.killHCardTimeout();
				
	var div = _b.DOM.cE("div", {id:"peoplePopup", className:"hcardPopup"});
	
	var hcorner = _b.DOM.cE("div", {className:"as_corner"});
	var hbar = _b.DOM.cE("div", {className:"as_bar"});
	var header = _b.DOM.cE("div", {className:"as_header"});
	header.appendChild(hcorner);
	header.appendChild(hbar);
	div.appendChild(header);
	
	var ul = _b.DOM.cE("ul");
	var theCard = _b.DOM.cE("li");
	theCard.innerHTML = hcardText;
	
	ul.appendChild(theCard);
	div.appendChild(ul);
	
	var fcorner = _b.DOM.cE("div", {className:"as_corner"});
	var fbar = _b.DOM.cE("div", {className:"as_bar"});
	var footer = _b.DOM.cE("div", {className:"as_footer"});
	footer.appendChild(fcorner);
	footer.appendChild(fbar);
	div.appendChild(footer);
	
	var pos = _b.DOM.getPos(ele);
	
	div.style.left = (pos.x) + "px";
	div.style.top = (pos.y + ele.offsetHeight) + "px";
	
	div.style.visibility = "hidden";
	
	document.getElementsByTagName("body")[0].appendChild(div);
					
	div.style.left = (pos.x - div.offsetWidth + 5) + "px";
	div.style.top = (pos.y + ele.offsetHeight / 2 - div.offsetHeight / 2) + "px";
	
	div.style.visibility = "visible";
	
	div.onmouseover  = function(){ UNL_Search.killHCardTimeout() };
	div.onmouseout   = function(){ UNL_Search.resetHCardTimeout() };
	
	this.hcardTimeout = setTimeout(function() { UNL_Search.clearHCard() }, 5000);
};

//Sets up a fader to remove the hcard popup
UNL_Search.clearHCard = function () {
	this.killHCardTimeout();
	
	var popup = _b.DOM.gE("peoplePopup");
	if (popup) {
		var fade = new _b.Fader(popup,1,0,250, function() { _b.DOM.remE("peoplePopup") });
	}
};

//Stops the timer for the removal of the hcard popup
UNL_Search.killHCardTimeout = function () {
	clearTimeout(this.hcardTimeout);
};

//Starts a new timer for the removal of the hcard popup
UNL_Search.resetHCardTimeout = function () {
	clearTimeout(this.hcardTimeout);
	this.hcardTimeout = setTimeout(function () { UNL_Search.clearHCard() }, 500);
};