/*
 * jQuery selectbox plugin
 *
 * Copyright (c) 2007 Sadri Sahraoui (brainfault.com)
 * Licensed under the GPL license and MIT:
 *   http://www.opensource.org/licenses/GPL-license.php
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * The code is inspired from Autocomplete plugin (http://www.dyve.net/jquery/?autocomplete)
 *
 * Revision: $Id$
 * Version: 0.5
 * 
 * Changelog :
 *  Version 0.5 
 *  - separate css style for current selected element and hover element which solve the highlight issue 
 *  Version 0.4
 *  - Fix width when the select is in a hidden div   @Pawel Maziarz
 *  - Add a unique id for generated li to avoid conflict with other selects and empty values @Pawel Maziarz
 */
jQuery.fn.extend({
	selectbox: function(options) {
		return this.each(function() {
			new jQuery.SelectBox(this, options);
		});
	}
});




/* pawel maziarz: work around for ie logging */
if (!window.console) {
	var console = {
		log: function(msg) { 
	 }
	}
}
/* */

jQuery.SelectBox = function(selectobj, options) {
	
	var opt = options || {};
	opt.inputClass = opt.inputClass || "selectbox";
	opt.containerClass = opt.containerClass || "selectbox-wrapper";
	opt.hoverClass = opt.hoverClass || "current";
	opt.currentClass = opt.selectedClass || "selected"
	opt.debug = opt.debug || false;
	
	var elm_id = selectobj.id;
	var active = -1;
	var inFocus = true;
	var hasfocus = 0;
	//jquery object for select element
	var $select = $(selectobj);
	// jquery container object
	var $container = setupContainer(opt);
	//jquery input object 
	var $input = setupInput(opt);
	// hide select and append newly created elements
	$select.hide().before($input).before($container);
	
	init();
	
	$('.theNoClicker').click(function(e){
		//console.dir(this);
		inFocus = true;
		$(this).parent().children('.selectbox-wrapper').show();
	});
	
	$input
	.click(function(e){
		
 		if (!inFocus) {
 		  $container.toggle();
		}
		$('body').bind('click', function(e){
	       		if(!$(e.target).is($input)){
      
		      		if((!$(e.target).is(".selectbox-wrapper") && $(e.target).parents(".selectbox-wrapper").size() == 0 && !$(e.target).is(".theNoClicker"))){
		              hideMe();
		      		}
		     	}
	    });
	})
	.focus(function(){
	   if ($container.not(':visible')) {
	       inFocus = true;
	       $container.parent().css('z-index', '1000'); //set parents container to higher z-index to fix the damn IE7 problem
	       $container.show();
	       
	   }
	})
	.keydown(function(event) {	   
		switch(event.keyCode) {
			case 38: // up
				event.preventDefault();
				moveSelect(-1);
				break;
			case 40: // down
				event.preventDefault();
				moveSelect(1);
				break;
			//case 9:  // tab 
			case 13: // return
				event.preventDefault(); // seems not working in mac !
				$('li.'+opt.hoverClass).trigger('click');
				break;
			case 27: //escape
			  hideMe();
			  break;
		}
/*	})
	.blur(function() {
		if ($container.is(':visible') && hasfocus > 0 ) {
			if(opt.debug) console.log('container visible and has focus');	
		} else {	
			hideMe();
		}
*/	});

	function hideMe() { 
		hasfocus = 0;
		$container.parent().css('z-index', '998');
		$container.hide();
		if (!$('.selectbox-wrapper:visible')) {
			$('body').unbind('click');
		}
	}
	
	function init() {
		$container.append(getSelectOptions($input.attr('id'))).hide();
		var width = $input.outerWidth() - 2;
		var posTop = $input.outerHeight();
		$input.parent().css('position', 'relative'); //set the parents position of the input to relative for the absolute drop down 
		$container.width(width);
		$container.css('top', posTop);
    }
	
	function setupContainer(options) {
		var container = document.createElement("div");
		$container = $(container);
		$container.attr('id', elm_id+'_container');
		$container.addClass(options.containerClass);
		
		return $container;
	}
	
	function setupInput(options) {
		var input = document.createElement("input");
		var $input = $(input);
		$input.attr("id", elm_id+"_input");
		$input.attr("type", "text");
		$input.addClass(options.inputClass);
		$input.attr("autocomplete", "off");
		$input.attr("readonly", "readonly");
		$input.attr("tabIndex", $select.attr("tabindex")); // "I" capital is important for ie
		
		return $input;	
	}
	
	function moveSelect(step) {
		var lis = $("li", $container);
		if (!lis) return;

		active += step;

		if (active < 0) {
			active = 0;
		} else if (active >= lis.size()) {
			active = lis.size() - 1;
		}

		lis.removeClass(opt.hoverClass);

		$(lis[active]).addClass(opt.hoverClass);
	}
	
	function setCurrent() {	
		var li = $("li."+opt.currentClass, $container).get(0);
		var ar = (''+li.id).split('_');
		var el = ar[ar.length-1];
		$select.val(el);
		$input.val($(li).html());
		return true;
	}
	
	// select value
	function getCurrentSelected() {
		return $select.val();
	}
	
	// input value
	function getCurrentValue() {
		return $input.val();
	}
	
	function getSelectOptions(parentid) {
		var select_options = new Array();
		var ul = document.createElement('ul');
		$select.children('option').each(function() {
			var li = document.createElement('li');
			li.setAttribute('id', parentid + '_' + $(this).val());
			li.innerHTML = $(this).html();
			if ($(this).is(':selected')) {
				$input.val($(this).html());
				$(li).addClass(opt.currentClass);
			}
			ul.appendChild(li);
			$(li)
			.mouseover(function(event) {
				hasfocus = 1;
				if (opt.debug) console.log('over on : '+this.id);
				jQuery(event.target, $container).addClass(opt.hoverClass);
			})
			.mouseout(function(event) {
				hasfocus = -1;
				if (opt.debug) console.log('out on : '+this.id);
				jQuery(event.target, $container).removeClass(opt.hoverClass);
			})
			.click(function(event) {
			  var fl = $('li.'+opt.hoverClass, $container).get(0);
				if (opt.debug) console.log('click on :'+this.id);
				$('li.'+opt.currentClass).removeClass(opt.currentClass); 
				$(this).addClass(opt.currentClass);
				setCurrent();
                                
                                 var current_url = $(location).attr('href').split('?');
                                 
                                 var path = current_url[0];
                                 if(current_url[1]){
                                    var hashes = current_url[1].split("&");
                                 }else{
                                     var hashes={};
                                 }
                                 
                                var p = path.split('/');

                                var vars = [], hash;
                                
                                var url = path;
                                var current = p[p.length-1];
                                switch($select.attr("class"))
                                {
                                    
                                 case 'order customSelect':
                                    
                                    var order_value = $select.val();
                                    url +='?order='+order_value;
                                 if(hashes.length>0){
                                    for(var i = 0; i < hashes.length; i++){
                                       
                                        var param = hashes[i].split('=');
                                        
                                        if(param[0]!='order' && param[1]!=''){
                                            url +='&'+param[0]+'='+param[1];  
                                        }                                      
                                    }
                                 }
                                   
                                    $(location).attr('href',url);
                                    break;
                                case 'asset-order customSelect':
                                    var order_value = $select.val();
                                    url +='?order='+order_value;
                                 if(hashes.length>0){
                                    for(var i = 0; i < hashes.length; i++){
                                       
                                        var param = hashes[i].split('=');
                                        
                                        if(param[0]!='order' && param[1]!=''){
                                            url +='&'+param[0]+'='+param[1];  
                                        }                                      
                                    }
                                 }
                                   
                                    $(location).attr('href',url);
                                    break;
                                case 'num_per_page customSelect':
                                    var num_per_page_value = $select.val();
                                    url +='?items_per_page='+num_per_page_value;
                                 if(hashes.length>0){
                                    for(var i = 0; i < hashes.length; i++){
                                       
                                        var param = hashes[i].split('=');
                                        
                                        if(param[0]!='items_per_page' && param[0]!='current_page' && param[1]!=''){
                                            url +='&'+param[0]+'='+param[1];  
                                        }                                      
                                    }
                                 }
                                    $(location).attr('href',url);
                                    break;
                                case 'category customSelect':
                                    //var path = window.location.toString().split("?")[0];
                                    var path = $('#redirect').val();
                                    window.location = path + "?category=" + $select.val();
                                    break;
                                case 'region customSelect':
                                    var path = $('#redirect').val();
                                    window.location = path + "?region=" + $select.val();
                                    break;
                                case 'c_region customSelect':
                                    url +="?region=" + $select.val();
                                    $(location).attr('href',url);
                                    break;
                                case 'company_number customSelect':
                                    var path = $('#redirect').val();
                                    window.location = path + "?number=" + $select.val();
                                    break;
                                 case 'company_letter customSelect':
                                    var path = $('#redirect').val();
                                    window.location = path + "?letter=" + $select.val();
                                    break;
                                case 'specialty customSelect':
                                var specialty = $select.val();
                                    url +='?specialty='+specialty;
                                    if(hashes.length>0){
                                    for(var i = 0; i < hashes.length; i++){
                                       
                                        var param = hashes[i].split('=');
                                        
                                        if(param[0]!='specialty' && param[0]!='submit' && param[0]!='zip-code' && param[1]!='' && param[0]!='current_page' ){
                                            url +='&'+param[0]+'='+param[1];  
                                            }                                      
                                        }
                                    }
                                    $(location).attr('href',url);
                                    break;
                                case 'region customSelect Ask':
                                    var href;
                                    var option = $select.val();
                                    if(option!='') {
                                        href = '?region=' + option;
                                    } else {
                                        href = '';
                                    }
                                    if(show_solutions==1) {
                                        var solutions = 'solutions=1';
                                        if(href!='') {
                                            href = href + '&' + solutions;
                                        } else {
                                            href = '?' + solutions;
                                        }
                                    }
                                    self.location = href;
                                    break;
                                default:break;
                                }

				hideMe();
			});
		});
		return ul;
	}
	
};