

<!--
/*
 * 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
 */
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 = 0;
 var inFocus = false;
 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();
 
 $input
 .click(function(){
    if (!inFocus) {
    $container.toggle();
    $input.addClass('datepickerSelectUnderline');
  }
 })
 .focus(function(){
    if ($container.not(':visible')) {
        inFocus = true;
        $container.show();
     $input.addClass('datepickerSelectUnderline');
    }
 })
 .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 {
    // Workaround for ie scroll - thanks to Bernd Matzner
    if($.browser.msie || $.browser.safari){ // check for safari too - workaround for webkit
        if(document.activeElement.getAttribute('id').indexOf('_container')==-1){
          hideMe();
        } else {
          $input.focus();
        }
      } else {
        hideMe();
      }
  }
 });

 function hideMe() { 
  hasfocus = 0;
  $container.hide(); 
  $input.removeClass('datepickerSelectUnderline');
 }
 
 function init() {
  $container.append(getSelectOptions($input.attr('id'))).hide();
  var width = $input.css('width');
  $container.width(width);
  // custom
  if ($container.find('li').length >12){
   $container.find('ul').css({
    'height': 246,
    'overflow': 'auto'
   });
   $container.prepend('<div class="selectbox-shadow"></div>').find('.selectbox-shadow').height(12 * 20 + 25);
   }
  else
  {$container.prepend('<div class="selectbox-shadow"></div>').find('.selectbox-shadow').height($container.find('li').length * 20 + 25);}
  $container.find('li:last').addClass('last');
    }
 
 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 || lis.length == 0) return false;
  active += step;
    //loop through list
  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;
 }
 
 // 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); 
    $(this).addClass(opt.currentClass);
    setCurrent();
    //$select.change();
    $select.get(0).blur();
    hideMe();
   });
  });
  return ul;
 }
 
 
 
};
//-->
