/*
AUTHOR : Julien BOTTEMANNE (julien@domlike.net)
DATE : 2006/07/16
Visit my blog : www.domlike.net
or contact me : julien@domlike.net
*/

// globale variable  Initialisation 
var Lines = new Array();
var iLines = 0;
var isLuckSearch = false;
var timercount = 0;
var timestart  = null;
var logError = '';


// handler
var myGlobalHandlers = {
		onCreate: function(){
			Element.show(AS_Result_ID_Activity);
		},
		onComplete: function() {
			if(Ajax.activeRequestCount == 0){
				SortLinesArray();
				ShowLines();
				Element.show(AS_Result_ID);
				Element.hide(AS_Result_ID_Activity);
			 }
	 	}
	};

Ajax.Responders.register(myGlobalHandlers);


function callLuck()
{
	isLuckSearch=true;
	callSearch();
}

function callDomgle()
{
	//var searchStr = document.search.SearchString.value; //** 20110411 acc
	var searchStr = document.getElementById("QueryString_1").value;
	var allres    = document.getElementById("all_results").innerHTML;  //** 18-05-2010 - all_results
	var url	    = window.location.href;
	if (url.indexOf('WebSearchDom')==-1) {
		//window.location.href = urlBase() + "/WebSearchDom?ReadForm&searchtype=1&SearchString=" + escape(searchStr); //** 18-05-2010 - all_results
		window.location.href = urlBase() + "/WebSearchDom?ReadForm&searchtype=1&SearchString=" + escape(searchStr) + "&allres=" + allres; //** 18-05-2010 - all_results
	} else {
		isLuckSearch=false;
		callSearch();
	}
}

function getAllResults() {   //** 19-05-2010 - all_results
	document.getElementById('all_results').innerHTML=1;
	document.getElementById('nbResultLabel').innerHTML="";
	document.getElementById('nbResult').innerHTML="";
	document.getElementById('all_results_link').style.display="none";
	callDomgle();
}

function callSearch()
{
	//var searchStr = document.search.SearchString.value; //** 20110411 acc
	var searchStr = document.getElementById("QueryString_1").value;
	var allres    = document.getElementById("all_results").innerHTML;  //** 18-05-2010 - all_results
	var isFormACC = document.getElementById("isFormAccessible").innerHTML;  //** 04-04-2011 - flag che indica se il form \u00E8 accessibile
	var searchlog = document.getElementById("searchlog").innerHTML;  //** 21-04-2011 - searchlog
//o	var searchStr = getURLParam("searchstr");
//o	document.search.SearchString.value = unescape(searchStr);

	// Clear previous search
	clearSearch();

	if (searchStr=="") {
		document.getElementById('searchResult').innerHTML = "Inserire una parola da ricercare"
		return false;
	}

	var waitingStr = 		 "<span id=\"activityIndicator\" style=\"display:none\">Ricerca in corso ";
	waitingStr = waitingStr + "<img id=\"systemWorking\" src=\"" + urlBase() + "/indicator.gif\" alt=\"indicatore attesa\"/>"; 
	waitingStr = waitingStr + "</span>";
	document.getElementById('searchResult').innerHTML = waitingStr;

	timestart   = new Date();
	iLines = 0;
	Lines = new Array();
	logError = '';
	GoogleToNotesSearch.init();
	
	// Translate query to the choosen syntax
	if (AS_Query_Syntax=='google')
		userQuery = GoogleToNotesSearch.parse(searchStr)
	else
		userQuery = replaceString(searchStr,'&','AND')
		
	//Create a Hash of the parameters
	var a=$H(
		{
			SearchString: userQuery,
			ag_doc_Count: AS_Agent_MaxDoc,
			AS_Field_Name_1: AS_Field_Name_1,
			AS_Field_Name_2: AS_Field_Name_2,
			AS_Field_Name_3: AS_Field_Name_3,
			AS_Field_Name_4: AS_Field_Name_4,
			AS_Field_Name_5: AS_Field_Name_5
		}
	);

	// Call each targeted db
	var targetParams =a.toQueryString();
	var viewPath = AS_Agent_Name+'?OpenAgent';
	for (var i=0; i<AS_DB_Path.length; i++)
	{
		if(AS_Proxy=='yes'){
			//url=urlBase()+'/(proxy)?OpenAgent' //** 18-05-2010 - all_results
			url=urlBase()+'/(proxy)?OpenAgent&allres='+allres+'&searchlog='+searchlog; //** (18-05-2010 - all_results) (21-04-2011- searchlog)
			var params='';
			params='urlToGet='+AS_SRV_Path[i]+AS_DB_Path[i]+viewPath+"&"+targetParams+'&rdm='+randomNumber();
		}else{
			var params=targetParams;
			//var url = AS_SRV_Path[i]+AS_DB_Path[i]+viewPath; //** 18-05-2010 - all_results
			var url = AS_SRV_Path[i]+AS_DB_Path[i]+viewPath+'&allres='+allres+'&searchlog='+searchlog; //**  (18-05-2010 - all_results) (21-04-2011- searchlog)
		}
		params = params + '&isformacc=' + isFormACC;
		//alert( url );
		eval("var myAjax = new Ajax.Request( url, { method: 'get', parameters: params,onComplete: BuildLinesArray,onFailure: function(t) {logError+='Error : '+t.status+ ' -- '+t.statusText+' -- location : " + url +"<br>'} })");
	}
}


function BuildLinesArray(originalRequest)
{
	if(originalRequest.status==200){
		try
		{
			var xmldoc = originalRequest.responseXML;
			var root = xmldoc.documentElement;
			var results = root.getElementsByTagName("viewentry");
			for (var i=0; i<results.length; i++)
			{
				/*if (i==0) {
					var bbb = results[i].getElementsByTagName("entrydata");
					alert(bbb[1].textContent)				
				}*/
				Lines[iLines]=new Line(results[i].getElementsByTagName("entrydata"));
				iLines++;
			}
		}catch (e){
			logError+='XML parser error : Could not analyse results from one request<br>'
		}
	}
}

// Line object creation
function Line(a)
{
	// AS_Field_Name_Agt : url, dbtitle, score, author, form, creationdate, 
	// creationdatedsp, field1, field2, field3, field4
	for (var iProp=0; iProp<AS_Field_Name_Agt.length; iProp++)
	{
		macro="this."+AS_Field_Name_Agt[iProp]+"=getInnerText (a[iProp]);";
		eval(macro);
	}
}

// Sort results
function SortLinesArray(){
	Lines=Lines.sort(SortLines);
}

function SortLines(a,b){
	A=eval('a.'+AS_Result_Sort_Column);
	B=eval('b.'+AS_Result_Sort_Column);
	if(AS_Result_Sort_Type=='des'){ return A>B?-1:A<B?1:0;}else{ return A>B?1:A<B?-1:0;}
}


//*********** getInnerText **************
function getInnerText (node) {
	if (typeof node.textContent != 'undefined') {
		return node.textContent;
	}else if (typeof node.innerText != 'undefined') {
		return node.innerText;
	}else if (typeof node.text != 'undefined') {
		return node.text;
	}else {
		switch (node.nodeType) {
		case 3:
		case 4:
			return node.nodeValue;
		break;
		case 1:
		case 11:
			var innerText = '';
			for (var i = 0; i < node.childNodes.length; i++) {
				innerText += getInnerText(node.childNodes[i]);
			}
			return innerText;
			break;
		default:
			return '';
		}
	}
}


//************* ShowLines ***************
// Display lines
function ShowLines( ){

	if (isLuckSearch && Lines.length>0) {
		window.location.href=Lines[0].url;
		return;
	}
	
	var string   = new Array();
	var iLines   = 0;
	var newText  = '';
	
	//Delete all the lines
	DeleteLines();
	
	// Result Header
	string.push(AS_Result_Header);
	
	// Get URL parameters
//	var start     = parseInt(getURLParam('start'));	// current start index shown
//	var count     = parseInt(getURLParam('count'));	// number of item shown
	var start     = parseInt(document.getElementById('start_items').innerHTML); // current start index shown
	var count     = parseInt(document.getElementById('count_items').innerHTML); // number of item shown
	var totLines  = Lines.length;					// total number of items (lines)
	var toNum     = start + count - 1;				// current final index shown
	var startx    = 0;							// start index of list x
	var toNumx    = 0;							// final index of list x
	var startxStr = "";							// startx=30 & totLines=101 => startxStr="030"
	var toNumxStr = "";							// toNumx=59 & totLines=101 => toNumxStr="059"
	var textlink  = "";							// text link

	// Set total pages
	// Parte intera del numero
	var tmpTotPages = totLines/count;
	var strTP       = '' + tmpTotPages;
  	var point_posTP = strTP.indexOf ('.');
   	var int_strTP   = strTP.substring (0, point_posTP >= 0 ? point_posTP : strTP.length);
	var totPages    = parseInt(int_strTP);
	if ((totLines%count)!=0) { totPages = totPages + 1; }
	document.getElementById('total_pages').innerHTML = totPages;

	// Set totLines
	document.getElementById('total_items').innerHTML = totLines;
	
	if (totPages != 0) {
		var navBtn = createPrevNextBtn();
	} else {
		var navBtn = "";
	}
	
	// Lines loop	
	for (iLines=0; iLines<Lines.length; iLines++)
	{	
		//******** Items will be displayed as list *********
		var visib = "hidden";
		if ((iLines%count)==0) {
			if ((start <= iLines)&(iLines < toNum)) {
				visib = "show";
			}
			startx = iLines;
			toNumx = startx + count - 1;
			if (iLines!=0) {
				string.push('</ul>');
			}
			startxStr = fixNumToString(totLines, startx);
			toNumxStr = fixNumToString(totLines, toNumx);
			string.push('<ul id="items'+startxStr+toNumxStr+'" class="'+visib+'_items"');
		}

		//Check empty link
		macro = 'Lines[iLines].'+AS_Field_Name_Dsp[AS_Result_Link];
		textlink = eval(macro);
		
		if (textlink!="") { // Begin link not empty
			//Write the start row 
			string.push(AS_Result_RowS);
			// Columns loops
			for (iCol=0; iCol < AS_Field_Name_Dsp.length; iCol++)
			{
				//Create link
				macro='AS_Result_ColS_'+(iCol+1);
				string.push(eval(macro));
				if (iCol==AS_Result_Link){
						if (AS_New_Windows=='yes') 
							target = 'target="blank"' 
						else
							 target = ''
						string.push('<a href="'+Lines[iLines].url+'" '+target+' title="vai al documento">');
						macro = 'Lines[iLines].'+AS_Field_Name_Dsp[iCol];
						textlink = eval(macro);
						textlink = cutString(textlink, 120);
						string.push(textlink);
						string.push('</a>');	
				}else{
						macro = 'Lines[iLines].'+AS_Field_Name_Dsp[iCol];
						string.push(eval(macro));
				}
				macro='AS_Result_ColE_'+(iCol+1);
				string.push(eval(macro));
			} // end for iCol loop
			
			//Write the end row 
			string.push(AS_Result_RowE);
		} // Begin link not empty
		
	}

	string.push('</ul>');
	string.push(navBtn);
	string.push(AS_Result_Footer);
	
	// Set results label   //** 19-05-2010 - all_results
	var allres    = document.getElementById('all_results').innerHTML;
	var reslabel  = "Risultati pi\u00F9 significativi per ";
	if (allres == "1") { 
		reslabel = "Risultati per ";
		document.getElementById('all_results_link').style.display = "none";
	} else {
		document.getElementById('all_results_link').style.display = "block";
	}
	document.getElementById('nbResultLabel').innerHTML = reslabel;

	// Set results string
	var writestring = string.join('');
	$(AS_Result_ID).innerHTML = writestring;

	// Set search string and results number
	//var searchStr = document.search.SearchString.value; //** 20110411 acc
	var searchStr = document.getElementById("QueryString_1").value;
	$(AS_Result_ID_NB).innerHTML = searchStr + " : " + totLines;

	displayItems();
	
	// Print Time Process
/*	var timeend = new Date();
	var timedifference = timeend.getTime() - timestart
	timeend.setTime(timedifference);
	var seconds_passed = timeend.getSeconds();
	var milliseconds_passed = timeend.getMilliseconds();
	$(AS_Result_ID_NB).innerHTML=count+' ('+seconds_passed+'.'+milliseconds_passed+' seconds)';*/
	
	// Print Error if needed
	if(logError != ''){
			$(AS_LogError_ID).innerHTML='Search processing error :<br>'+logError;
			Element.show(AS_LogError_ID);
	}
	
	document.getElementById("varContainer").innerHTML = "";
}

function DeleteLines(){
	$(AS_Result_ID).innerHTML='';
}

function replaceString(sString, sReplaceThis, sWithThis) { 
    if (sReplaceThis != "" && sReplaceThis != sWithThis) {
      var counter = 0;
      var start = 0;
      var before = "";
      var after = "";
      while (counter<sString.length) {
        start = sString.indexOf(sReplaceThis, counter);
        if (start == -1){
         break;
         } else {
           before = sString.substr(0, start);
           after = sString.substr(start + sReplaceThis.length, sString.length);
           sString = before + sWithThis + after;
           counter = before.length + sWithThis.length;
          }
        }
      }
   return sString;
  }
  
function randomNumber() {
	return (Math.floor((99999999) * Math.random()+1));
}

function urlBase() {
	var pathname = window.location.href;
	return pathname.substring(0,(pathname.indexOf('.nsf')+4)) ;
}

/**** FG 2010-02-18 ****/
function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("&") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("&")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (
		aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        	var aParam = aQueryString[iParam].split("=");
        	strReturn = aParam[1];
        	break;
      }
    }
  }
  return strReturn;
}

function fixNumToString(total, num) {
	var out 	 = "";
	var totstr = total.toString();
	var numstr = num.toString();
	for (var i=0; i<(totstr.length-numstr.length); i++) {
			out = out + "0";
	}
	out = out + num;
	return out;
}

/* Parse all <ul> and show or hide the right one */
function displayItems() {
	var totPages  = parseInt(document.getElementById('total_pages').innerHTML); // total number of pages
	var curPage   = parseInt(document.getElementById('current_page').innerHTML); // current page index
	
	var listobjs = document.getElementsByTagName('ul');
	for (var i=0; i<listobjs.length; i++) {
		if (listobjs[i].className=="hidden_items") {
			listobjs[i].style.display = "none";
		}
		if (listobjs[i].className=="show_items") {
			listobjs[i].style.display = "block";
		}
	}

	if (curPage==1) {
		document.getElementById('prev_item_link').style.display = "none";
	} else {
		document.getElementById('prev_item_link').removeAttribute("style");
	}

	if (curPage==totPages) {
		document.getElementById('next_item_link').style.display = "none";
	} else {
		document.getElementById('next_item_link').removeAttribute("style");
	}

	document.getElementById('page_count').innerHTML = " - " + curPage + "/" + totPages + " - "; 

}

/* Cut string at the specified number of chars and adding "..." */
function cutString(str, n) {
	var s = str.substring(n,0);
	var i = 1;
	if ((s!="") & (s.indexOf(' ')!=-1)) {
		while (s.charAt(s.length-1)!=" ") {
			s = s.substring(n-i,0);
			i = i+1;
		}
	}
	s = s + "...";
	return s;
}

function goToPage(navTo) {
	var start     = parseInt(document.getElementById('start_items').innerHTML); // current start index shown
	var count     = parseInt(document.getElementById('count_items').innerHTML); // number of item shown
	var totLines  = parseInt(document.getElementById('total_items').innerHTML); // total number of pages
	var totPages  = parseInt(document.getElementById('total_pages').innerHTML); // total number of pages
	var curPage   = parseInt(document.getElementById('current_page').innerHTML); // current page index
	
	if ((curPage==1)&(navTo=='prev')) {
		return false;
	}

	if ((curPage==totPages)&(navTo=='next')) {
		return false;
	}
	
	// Current element
	var curstartxstr  = fixNumToString(totLines,start);
	var curtoNumxstr  = fixNumToString(totLines,start+count-1);
	var curidname     = "items"+curstartxstr+curtoNumxstr;
	var curobj	   = document.getElementById(curidname);

	var newstart = 0;
	var newtoNum = 0;
	var newPage  = 0;

	curobj.className = "hidden_items";

	// New element	
	if (navTo=='next') {
		newstart = start+count;
		newtoNum = start+count+count-1;
		newPage  = curPage+1;
	} else {
		newstart = start-count;
		newtoNum = start-1;
		newPage  = curPage-1;
	}

	var newstartxstr = fixNumToString(totLines,newstart);
	var newtoNumxstr = fixNumToString(totLines,newtoNum);
	var newidname    = "items"+newstartxstr+newtoNumxstr;
	var newobj       = document.getElementById(newidname);

	document.getElementById('start_items').innerHTML  = newstart;
	document.getElementById('current_page').innerHTML = newPage;
	
	newobj.className = "show_items";

	displayItems();
}



function createPrevNextBtn() {
	var start     = parseInt(document.getElementById('start_items').innerHTML); // current start index shown
	var count     = parseInt(document.getElementById('count_items').innerHTML); // number of item shown
	var totPages  = parseInt(document.getElementById('total_pages').innerHTML); // total number of pages
	var curPage   = parseInt(document.getElementById('current_page').innerHTML); // current page index
	
	// HTML
	var out =	  "<br />";
	out = out + "<div>";
	out = out + "<a href=\"javascript:goToPage('prev');\" id=\"prev_item_link\" title=\"Vai alla pagina precedente\"><< precedente</a>";
	out = out + "<span id=\"page_count\"> - " + curPage + "/" + totPages + " - </span>";
	out = out + "<a href=\"javascript:goToPage('next');\" id=\"next_item_link\" title=\"Vai alla pagina successiva\">successiva >></a>";
	out = out + "</div>";
	
	return out;
}

function clearSearch() {
	document.getElementById('start_items').innerHTML = 0;
	document.getElementById('count_items').innerHTML = 20;
	document.getElementById('total_items').innerHTML = 0;
	document.getElementById('total_pages').innerHTML = 0;
	document.getElementById('current_page').innerHTML = 1;
	document.getElementById('searchResult').innerHTML = "";
}