/*
 * 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: 0.6
 * 
 * Changelog :
 *  Version 0.6
 *  - Fix IE scrolling problem
 *  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
 *
 *  - optgroup support added by ecomplexx GmbH
 */
jQuery.fn.extend({selectbox:function(options){return this.each(function(){new jQuery.SelectBox(this,options);});}});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=0;var inFocus=false;var hasfocus=0;var $select=$(selectobj);var $container=setupContainer(opt);var $input=setupInput(opt);$select.hide().before($input).before($container);init();$input.click(function(){if(!inFocus){$container.toggle();}}).focus(function(){if($container.not(':visible')){inFocus=true;$container.show();}}).keydown(function(event){switch(event.keyCode){case 38:event.preventDefault();moveSelect(-1);break;case 40:event.preventDefault();moveSelect(1);break;case 13:event.preventDefault();$('li.'+opt.hoverClass).trigger('click');break;case 27:hideMe();break;}}).blur(function(){if($container.is(':visible')&&hasfocus>0){if(opt.debug)console.log('container visible and has focus')}else{if($.browser.msie||$.browser.safari){if(document.activeElement.getAttribute('id').indexOf('_container')==-1){hideMe();}else{$input.focus();}}else{hideMe();}}});function hideMe(){hasfocus=0;$container.hide();}
function init(){$container.append(getSelectOptions($input.attr('id'))).hide();var width=$input.css('width');$container.width(width);}
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"));return $input;}
function moveSelect(step){var lis=$("li",$container);if(!lis||lis.length==0)return false;active+=step;if(active<0){active=lis.size();}else if(active>lis.size()){active=0;}
scroll(lis,active);lis.removeClass(opt.hoverClass);$(lis[active]).addClass(opt.hoverClass);}
function scroll(list,active){var el=$(list[active]).get(0);var list=$container.get(0);if(el.offsetTop+el.offsetHeight>list.scrollTop+list.clientHeight){list.scrollTop=el.offsetTop+el.offsetHeight-list.clientHeight;}else if(el.offsetTop<list.scrollTop){list.scrollTop=el.offsetTop;}}
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;}
function getCurrentSelected(){return $select.val();}
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);$(this).addClass(opt.currentClass);setCurrent();$select.get(0).blur();hideMe();});});$select.children('optgroup').each(function(){var li=document.createElement('li');li.setAttribute('id',parentid+'_'+$(this).attr("label"));li.innerHTML=$(this).attr("label");$(li).addClass('optgroup');ul.appendChild(li);$(this).children('option').each(function(){var li=document.createElement('li');li.setAttribute('id',parentid+'_'+$(this).val());li.innerHTML=$(this).html();if($(this).is(':selected')){$input.val($(this).html());$(li).addClass(opt.currentClass);}
$(li).addClass('groupoption');ul.appendChild(li);$(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();$select.get(0).blur();hideMe();});});});return ul;}};