/**
 * Interface Elements for jQuery
 * Tooltip
 * 
 * http://interface.eyecon.ro
 * 
 * Copyright (c) 2006 Stefan Petre
 * Dual licensed under the MIT (MIT-LICENSE.txt) 
 * and GPL (GPL-LICENSE.txt) licenses.
 *  
 * Modified by Halmat Ferello (25-10-2006)
 * Specifiy div id in <a rel="div_id"> to load div instead
 *
 */

jQuery.iTooltip = {
	current : null,
	focused : false,
	oldTitle : null,
	focus : function(e)
	{
		jQuery.iTooltip.focused = true;
		jQuery.iTooltip.show(e, this, true);
	},
	hidefocused : function(e)
	{
		if (jQuery.iTooltip.current != this)
			return ;
		jQuery.iTooltip.focused = false;
		jQuery.iTooltip.hide(e, this);
	},
	show : function(e, el, focused)
	{
		if (jQuery.iTooltip.current != null)
			return ;
		if (!el) {
			el = this;
		}
	
		jQuery.iTooltip.current = el;
		pos = jQuery.extend(
			jQuery.iUtil.getPosition(el),
			jQuery.iUtil.getSize(el)
		);
		jEl = jQuery(el);
		
		var div_id = jEl.attr('rel'); // gets the div id
		var html_text = $('#' + div_id).html(); // gets html for the div
		if (jEl.attr('title')) {
			var title = jEl.attr('title');
		} else {
			var title = '';
		}
		
		var href = jEl.attr('href');

		if (href) {
			//jQuery.iTooltip.oldTitle = title;
			
			if (html_text) { // if the div has any html inside or exists, use it
				jQuery('#tooltipTitle').html(html_text);
				jEl.removeAttr('title'); // remove the title as it gets in the way
			} else if (href) { // otherwise use title and href is available
				jQuery('#tooltipTitle').html(title);
				jQuery('#tooltipURL').html(href.replace('http://', '')).show();
			} 
			else {
				jQuery('#tooltipURL').html('').hide();
			}
				
			helper = jQuery('#tooltipHelper');
			
			if(el.tooltipCFG.className){
				helper.get(0).className = el.tooltipCFG.className;
			} else {
				helper.get(0).className = '';
			}
			
			helperSize = jQuery.iUtil.getSize(helper.get(0));
			filteredPosition = focused && el.tooltipCFG.position == 'mouse' ? 'bottom' : el.tooltipCFG.position;
			
			switch (filteredPosition) {
				case 'top':
					ny = pos.y - helperSize.hb;
					nx = pos.x;
				break;
				case 'left' :
					ny = pos.y;
					nx = pos.x - helperSize.wb;
				break;
				case 'right' :
					ny = pos.y;
					nx = pos.x + pos.wb;
				break;
				case 'mouse' :
					jQuery('body').bind('mousemove', jQuery.iTooltip.mousemove);
					pointer = jQuery.iUtil.getPointer(e);
					ny = pointer.y + 15;
					nx = pointer.x + 15;
				break;
				default :
					ny = pos.y + pos.hb;
					nx = pos.x;
				break;
			}
			helper.css(
				{
					top 	: ny + 'px',
					left	: nx + 'px'
				}
			);
			if (el.tooltipCFG.delay == false) {
				helper.show();
			} else {
				helper.fadeIn(el.tooltipCFG.delay);
			}
			if (el.tooltipCFG.onShow) 
				el.tooltipCFG.onShow.apply(el);
			jEl.bind('mouseout',jQuery.iTooltip.hide)
			   .bind('blur',jQuery.iTooltip.hidefocused);
		}
	},
	mousemove : function(e)
	{
		if (jQuery.iTooltip.current == null) {
			jQuery('body').unbind('mousemove', jQuery.iTooltip.mousemove);
			return;	
		}
		pointer = jQuery.iUtil.getPointer(e);
		jQuery('#tooltipHelper').css(
			{
				top 	: pointer.y + 15 + 'px',
				left	: pointer.x + 15 + 'px'
			}
		);
	},
	hide : function(e, el)
	{
		if (!el) {
			el = this;
		}
		if (jQuery.iTooltip.focused != true && jQuery.iTooltip.current == el) {
			jQuery.iTooltip.current = null;
			jQuery('#tooltipHelper').fadeOut(1);
			if (jQuery(el).attr('title')) {
				jQuery(el)
					.attr('title',jQuery.iTooltip.oldTitle)
					.unbind('mouseout', jQuery.iTooltip.hide)
					.unbind('blur', jQuery.iTooltip.hidefocused);
			} else {
				jQuery(el)
					.unbind('mouseout', jQuery.iTooltip.hide)
					.unbind('blur', jQuery.iTooltip.hidefocused);
			}
			if (el.tooltipCFG.onHide) 
				el.tooltipCFG.onHide.apply(el);
			//jQuery.iTooltip.oldTitle = null;
		}
	},
	build : function(options)
	{
		if (!jQuery.iTooltip.helper)
		{
			jQuery('body').append('<div id="tooltipHelper"><div id="tooltipTitle"></div><div id="tooltipURL"></div></div>');
			jQuery('#tooltipHelper').css(
				{
					position:	'absolute',
					zIndex:		3000,
					display: 	'none'
				}
			);
			jQuery.iTooltip.helper = true;
		}
		return this.each(
			function(){
				if(jQuery.attr(this,'href')) {
					this.tooltipCFG = {
						position	: /top|bottom|left|right|mouse/.test(options.position) ? options.position : 'bottom',
						className	: options.className ? options.className : false,
						delay		: options.delay ? options.delay : false,
						onShow		: options.onShow && options.onShow.constructor == Function ? options.onShow : false,
						onHide		: options.onHide && options.onHide.constructor == Function ? options.onHide : false
					};
					var el = jQuery(this);
					el.bind('mouseover',jQuery.iTooltip.show);
					el.bind('focus',jQuery.iTooltip.focus);
				}
			}
		);
	}
};
jQuery.fn.ToolTip = jQuery.iTooltip.build;