/**
 * AutoComplete Field - JavaScript Code
 *
 * This is a sample source code provided by fromvega.
 * Search for the complete article at http://www.fromvega.com
 *
 * Enjoy!
 *
 * @author fromvega
 *
 */

// global variables
var acListTotal   =  0;
var acListCurrent = -1;
var acDelay		  = 500;
var acURL		  = null;
var acSearchId	  = null;
var acResultsId	  = null;
var acSearchField = null;
var acResultsDiv  = null;

function setAutoComplete(field_id, results_id, get_url){
	
	// initialize vars
	acSearchId  = "#" + field_id;
	acResultsId = "#" + results_id;
	acURL       = get_url;

	// create the results div
	$("body").append('<div class="' + results_id + '" id="' + results_id + '"  style="display: none;"></div>');

	// register mostly used vars
	acSearchField	= $(acSearchId);
	acResultsDiv	= $(acResultsId);

	// reposition div
	repositionResultsDiv();

	// on blur listener
	acSearchField.blur(function(){ setTimeout("clearAutoComplete()", 200) });

	// on key up listener
	acSearchField.keyup(function (e) {

		// get keyCode (window.event is for IE)
		var keyCode = e.keyCode || window.event.keyCode;
		var lastVal = acSearchField.val();

		// check an treat up and down arrows
		if(updownArrow(keyCode)){
			return;
		}

		// check for an ENTER or ESC
		if(keyCode == 13 || keyCode == 27){
			clearAutoComplete();
			return;
		}

		// if is text, call with delay
		setTimeout(function () {autoComplete(lastVal)}, acDelay);
	});
}

// treat the auto-complete action (delayed function)
function autoComplete(lastValue)
{
	// get the field value
	var part = acSearchField.val();
	// if it's empty clear the resuts box and return

	if(part == '' || part.length<4){
		clearAutoComplete();
		return;
	}

	// if it's equal the value from the time of the call, allow
	if(lastValue != part){
		return;
	}
	
	// get remote data as JSON
	 $.getJSON(acURL + part, function(json){

		// get the total of results
		var ansLength = acListTotal = json.length;
	
		// if there are results populate the results div
		if(ansLength > 0){
			
			var newData = '';

			// create a div for each result
			for(i=0; i < ansLength; i++) {
				newData += '<li>' + json[i] + '</li>';
			}
			
			// update the results div
			acResultsDiv.html(newData);
			acResultsDiv.css("display","block");
			
			// for all divs in results
			var divs = $(acResultsId + " > li");
						
			// on mouse over clean previous selected and set a new one
			divs.mouseover( function() {
				acSearchField.val(this.childNodes[0].nodeValue);
			});

			// on click copy the result text to the search field and hide
			divs.click( function() {
				acSearchField.val(this.childNodes[0].nodeValue);
			});

		} else {
			clearAutoComplete();
		}
	});
}

// clear auto complete box
function clearAutoComplete()
{
	acResultsDiv.html('');
	acResultsDiv.css("display","none");
}

// reposition the results div accordingly to the search field
function repositionResultsDiv()
{
	// get the field position
	var sf_pos    = acSearchField.offset();
	var sf_top    = sf_pos.top;
	var sf_left   = sf_pos.left;

	// get the field size
	var sf_height = acSearchField.height();
	var sf_width  = acSearchField.width();

	// apply the css styles - optimized for Firefox
	acResultsDiv.css("position","absolute");
	acResultsDiv.css("left", sf_left - 2);
	acResultsDiv.css("top", sf_top + sf_height + 5);
	acResultsDiv.css("width", sf_width +80 - 2);
}


// treat up and down key strokes defining the next selected element
function updownArrow(keyCode) {
	if(keyCode == 40 || keyCode == 38){

		if(keyCode == 38){ // keyUp
			if(acListCurrent == 0 || acListCurrent == -1){
				acListCurrent = acListTotal-1;
			}else{
				acListCurrent--;
			}
		} else { // keyDown
			if(acListCurrent == acListTotal-1){
				acListCurrent = 0;
			}else {
				acListCurrent++;
			}
		}

		// loop through each result li applying the correct style
		acResultsDiv.children().each(function(i){
			if(i == acListCurrent){
				acSearchField.val(this.childNodes[0].nodeValue);
				
			}
		});

		return true;
	} else {
		// reset
		acListCurrent = -1;
		return false;
	}
}

function defBlock(param,url){

	var defId = "#" + 'defBox';
	var DefDiv= $(defId);
	var Surl=url;

	//param is 'open' when recherche button is clicked
	if (param=='open'){	

		DefDiv.html('');
		DefDiv.css("display","none");

		DefDiv.css("overflow", '');
		DefDiv.css("width", '');
		DefDiv.css("height", '');
		DefDiv.css("opacity", '');

 		$.getJSON(Surl,{word: acSearchField.val()}, function(datas){

			var infos = datas.length;
			// if there are results populate the results div

			if(infos > 0){
				var defs = datas[0];				
				//am sistat dezvoltarea din lipsa de specificatii concrete
				// create a div for each result
				defs +='<ul class=\"listApuce\">';
				for(i=1; i < infos; i++) {
					defs += datas[i];
				}
				defs += '</ul>';

				DefDiv.html(defs);
				setTimeout("",5000);
				DefDiv.css("display","block");

				DefDiv.css("overflow", '');
				DefDiv.css("width", '');
				DefDiv.css("height", '');
				DefDiv.css("opacity", '');	
			}else{						
				DefDiv.css("display","none");		
			}
		});
	
	}	
	//param is 'close' when X link is clicked
	else{
		$(".blocInfo.MEAlexique .descLexique").hide('slow');	
		//DefDiv.css("display","none");
	}

}


function search_erase()
{		
	$("#inputString").attr('value', '');
}
