/**
 * LiveSearch (requires the dimensions plug-in)
 *
 * Applies "live search" to input-fields
 *
 * Usage: jQuery('#q').liveSearch({ajaxURL: '/ajax/search/?q='});
 *
 * @class liveSearch
 * @param {Object} conf, custom config-object
 *
 * Copyright (c) 2008 Andreas Lagerkvist (andreaslagerkvist.com)
 * Released under a GNU General Public License v3 (http://creativecommons.org/licenses/by/3.0/)
 */
// Hide all search-results if you click outside them
$(document.body).click(function(event) {
	if(!$(event.target).parents('div.live-search-results').length) {
		jQuery('div.live-search-results').slideUp(300);
	}
});
jQuery.fn.liveSearch = function(conf) {
	var config = jQuery.extend({
		ajaxURL: '/mod/search-results.php?q=',
		resultClass: "live-search-results",
		customCSS: false,
		appentTo: document.body
	}, conf);

	return this.each(function() {
		var input = jQuery(this);
		var tmpOffset	= input.offset();
		var inputDim	= {
			left:	tmpOffset.left, 
			top:	tmpOffset.top, 
			width:	input.outerWidth(), 
			height:	input.outerHeight()
		};
		var results = jQuery('<div class='+config.resultClass+'></div>').appendTo(config.appendTo).hide().slideUp(0);
		if ( !config.customCSS ){
			var resultsShit	= parseInt(results.css('paddingLeft'), 10) + parseInt(results.css('paddingRight'), 10) + parseInt(results.css('borderLeftWidth'), 10) + parseInt(results.css('borderRightWidth'), 10);
			inputDim.topNHeight = inputDim.top + inputDim.height;
			inputDim.widthNShit	= inputDim.width - resultsShit;
			results.css({
				position:	'absolute', 
				left:		inputDim.left +'px', 
				top:		inputDim.topNHeight +'px',
				width:		inputDim.widthNShit +'px'
			});
		}

		input.keyup(function() {
			if(this.value != this.lastValue && this.value.length > 3 ) {
				input.addClass('ajax-loading');

				var q = this.value;

				if(this.timer) {
					clearTimeout(this.timer);
				}

				this.timer = setTimeout(function() {
					jQuery.get(config.ajaxURL +q, function(data) {
						input.removeClass('ajax-loading');

						if(data.length) {
							results.html(data).slideDown(300);
						}
						else {
							results.slideUp(300);
						}
					});
				}, 800);

				this.lastValue = this.value;
			}
		});
	});
};