/*
 * JTip
 * By Cody Lindley (http://www.codylindley.com)
 * Under an Attribution, Share Alike License
 * JTip is built on top of the very light weight jquery library.
 */

function JT_init(){
    $("a.jTip")
    .hover(
        function() {
            JT_show(this.href, this.id, this.name, this.getAttribute("jtipID", "NONE"))
        },
        function() {
            $('#JT').remove()
        }
    )
    .click(function(){return false});
}

/* This is a PRIVATE method.
 * This methods makes the glossary text for the hovered element visible as tooltip.
 *
 * @param url as STRING
 *      Currently not used! (Was given by the basic jtip version)
 * @param elementID as STRING
 *      The DOM element ID to identify the DOM element belonging to the hovered element.
 * @param title as STRING
 *      The title the shown tooltip should have.
 * @param glossaryID as STRING
 *      The identifier for the hovered element, which comes from the glossary context file to
 *      determine which tooltip content has to be shown.
 */
function JT_show(url, elementID, title, glossaryID){
	if(title == false) title=" ";
	var de              = document.documentElement;
	var w               = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	var hasArea         = w - getAbsoluteLeft(elementID);
	var clickElementy   = getAbsoluteTop(elementID) - 3; //set y position

	var queryString = url.replace(/^[^\?]+\??/,'');
	var params = parseQuery( queryString );
	if(params['width'] === undefined){params['width'] = 250};
	if(params['link'] !== undefined){
	$('#' + elementID).bind('click',function(){window.location = params['link']});
	$('#' + elementID).css('cursor','pointer');
	}

	if(hasArea>((params['width']*1)+75)){
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_left'></div><div id='JT_close_left'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//right side
		var arrowOffset = getElementWidth(elementID) + 11;
		var clickElementx = getAbsoluteLeft(elementID) + arrowOffset; //set x position
	} else {
		$("body").append("<div id='JT' style='width:"+params['width']*1+"px'><div id='JT_arrow_right' style='left:"+((params['width']*1)+1)+"px'></div><div id='JT_close_right'>"+title+"</div><div id='JT_copy'><div class='JT_loader'><div></div></div>");//left side
		var clickElementx = getAbsoluteLeft(elementID) - ((params['width']*1) + 15); //set x position
	}

	$('#JT').css({left: clickElementx+"px", top: clickElementy+"px"});
	$('#JT').show();
	//$('#JT_copy').load(url);

    // Make sure the given ID is valid according to the HTML syntax
    // Replace all invalid chars with nothing (same thing is done at server-runtime to ensure integrity)

    var pattern         = /[\/öäüÖÄÜ\"\'\\\\\ ;|@]+/g;
    var cleanGlossaryID = glossaryID.replace(pattern, "");

    //if you want to remove all HTML markup, use the text()
	//var hiddenGlossaryText  = $('#' + cleanGlossaryID + '_glossaryEntry').text();
	//$('#JT_copy').text(hiddenGlossaryText);

    //the html() method allows to insert markup
	var hiddenGlossaryText  = $('#' + cleanGlossaryID + '_glossaryEntry').html();
	$('#JT_copy').html(hiddenGlossaryText);
}

function getElementWidth(objectId) {
	x = document.getElementById(objectId);
	return x.offsetWidth;
}

function getAbsoluteLeft(objectId) {
	// Get an object left position from the upper left viewport corner
	o = document.getElementById(objectId)
	oLeft = o.offsetLeft            // Get left position from the parent object
	while(o.offsetParent!=null) {   // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent    // Get parent object reference
		oLeft += oParent.offsetLeft // Add parent left position
		o = oParent
	}
	return oLeft
}

function getAbsoluteTop(objectId) {
	// Get an object top position from the upper left viewport corner
	o = document.getElementById(objectId)
	oTop = o.offsetTop            // Get top position from the parent object
	while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
		oParent = o.offsetParent  // Get parent object reference
		oTop += oParent.offsetTop // Add parent top position
		o = oParent
	}
	return oTop
}

function parseQuery ( query ) {
   var Params = new Object ();
   if ( ! query ) return Params; // return empty object
   var Pairs = query.split(/[;&]/);
   for ( var i = 0; i < Pairs.length; i++ ) {
      var KeyVal = Pairs[i].split('=');
      if ( ! KeyVal || KeyVal.length != 2 ) continue;
      var key = unescape( KeyVal[0] );
      var val = unescape( KeyVal[1] );
      val = val.replace(/\+/g, ' ');
      Params[key] = val;
   }
   return Params;
}

function blockEvents(evt) {
    if(evt.target){
    evt.preventDefault();
    }else{
    evt.returnValue = false;
    }
}