/* Copyright (c) 2008 Kean Loong Tan http://www.gimiti.com/kltan
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * Copyright notice and license must remain intact for legal use
 * jHelpertip
 * Version: 1.0 (Jun 2, 2008)
 * Requires: jQuery 1.2+
 */

(function($) {
		  
	$.fn.jHelperTip = function(options) {
		// merge users option with default options
		var opts = $.extend({}, $.fn.jHelperTip.defaults, options);
		
		// default actions
		// create a ttC is not found
		if ($(opts.ttC).length == 0)
			$('<div id="'+opts.ttC.slice(1)+'"></div>').appendTo("body");
		
		// create a dC is not found
		if ($(opts.dC).length == 0)
			$('<div id="'+opts.dC.slice(1)+'"></div>').appendTo("body");
		
		if ($(opts.aC).length == 0)
			$('<div id="'+opts.aC.slice(1)+'"></div>').appendTo("body");

		
		// initialize our tooltip and our data container and also the close box
		$(opts.ttC).add(opts.aC).css({
			position: "absolute",
			display: "inline"
		}).hide();
		
		$(opts.dC).hide();
		
		// close the tooltip box
		var closeBox = function(){
			if (opts.source == "attribute")
				$(opts.aC).hide().empty();
			else
				$(opts.ttC).hide().empty();
		};
		
		$(".jHelperTipClose").bind("click", closeBox);
		$(opts.ttC).bind("mouseover",function(){
			$(opts.ttC).show();
			return false;
		});

		// the sources of getting data
		var getData = function(obj,e){
			if (opts.source == "ajax") {
				getPosition(e);
				$(opts.ttC).html('<div><img src="'+opts.loadingImg+'"/> '+opts.loadingText+'</div>').show();
				
				$.ajax({
					type: opts.type,
					url: opts.url,
					data: opts.data,
					success: function(msg){
						$(opts.ttC).html(msg);
						// reInitialize the close controller
						$(".jHelperTipClose").unbind("click", closeBox); 
						$(".jHelperTipClose").bind("click", closeBox);
					}
				});
			}
			
			else if (opts.source == "container"){
				$(opts.ttC).show().empty();
				$(opts.dC).clone(true).show().appendTo(opts.ttC);
			}
			
			if (opts.source == "attribute"){
				$(opts.aC).html($(obj).attr(opts.attrName));
			}
		};
		
		// used to position the tooltip
		var getPosition = function (e){
			var top = e.pageY+opts.topOff;
			var left = e.pageX+opts.leftOff;
			
			if (opts.source == "attribute"){
				$(opts.aC).css({
					top: top,
					left: left,
					opacity: opts.opacity
				}).show();
			}
			else {
				$(opts.ttC).css({
					top: top,
					left: left,
					opacity: opts.opacity
				}).show();
			}
		};

		// just close tool tip when not needed usually trigger by anything outside out tooltip target
		if (opts.trigger == "hover") {
			$(this).bind("mouseover", function(e){
				e.preventDefault();
				getData(this, e);
				return false;
			});
			$(this).bind("mousemove", function(e){
				getPosition(e);
				return false;
			});
			
			$(this).bind("mouseout", function(e){
			    if (opts.source == "attribute")
					$(opts.aC).hide().empty();
				else
					$(opts.ttC).hide().empty();
				return false;
			});
		}
		
		else if (opts.trigger == "click") {
			$(this).bind("click", function(e){
				getData(this, e);
				getPosition(e);
				$(document).bind("click", function(e){
					if (opts.autoClose) {
						if (opts.source == "attribute")
							$(opts.aC).hide().empty();
						else
							$(opts.ttC).hide().empty();
					}
				});
				
				return false;
			});

		}
	};
	
	$.fn.jHelperTip.defaults = {
		trigger: "click", /* ?click? or ?hover? to trigger the tooltip */
		topOff: 3, /* top offset from mouse pointer */
		leftOff: 10, /* left offset from mouse pointer */
		source: "ajax", /* attribute, container, ajax */
		attrName: '', /* the attribute that you want to pass the data from (only works if your source is attribute) */
		ttC: "#jHelperTipContainer", /* tooltip Container*/
		dC: "#jHelperTipDataContainer", /* data Container */
		aC: "#jHelperTipAttrContainer", /* attr Container */
		opacity:  0.9,
		loadingImg: "/img/comun/ajaxloading.gif",
		loadingText: "",
		type: "GET", /* ?GET? or ?POST? (only works if your source is ajax) */
		url: '', /* he address of the page that you are fetching from (only works if your source is ajax) */
		data: '', /* data passed to the ajax request (only works if your source is ajax) */
		autoClose: false /*true or false, specify if explicit action is needed to close the tooltip */
	};
		
	
		  

})(jQuery);