/**
* @file elSelect.js
* @downloaded from http://www.cult-f.net/2007/12/14/elselect/
* @author Sergey Korzhov aka elPas0
* @site  http://www.cult-f.net
* @date December 14, 2007
* 
*/
var elSelect = new Class({
	options: {
		container: false,
		baseClass : 'elSelect'
	},
	source : false,
	selected : false,
	_select : false,
	current : false,
	selectedOption : false,
	dropDown : false,
	optionsContainer : false,
	hiddenInput : true,
	/*
	pass the options,
	create html and inject into container
	*/
	initialize: function(options){
		this.setOptions(options)
		
		if ( !this.options.container ) return
		
		this.selected = false
		this.source = $(this.options.container).getElement('select');
		$(this.source).set('style', 'display: none;');
		this.buildFrameWork();
		$(this.source).getElements('option').each( this.addOption, this )
		this._select.injectInside($(this.options.container))
		this.bindEvents()
		
	},
	
	buildFrameWork : function() {
		this._select = new Element('div').addClass( this.options.baseClass )
		this.current = new Element('div').addClass('selected').injectInside($(this._select))
		this.selectedOption = new Element('div').addClass('selectedOption').injectInside($(this.current))
		this.dropDown = new Element('div').addClass('dropDown').injectInside($(this.current))
		new Element('div').addClass('clear').injectInside($(this._select))
		this.optionsContainer = new Element('div').addClass('optionsContainer').injectInside($(this._select))
		
		//var t = new Element('div').addClass('optionsContainerTop').injectInside($(this.optionsContainer))
		//var o = new Element('div').injectInside($(t))
		//var p = new Element('div').injectInside($(o))
		var t = new Element('div').addClass('optionsContainerBottom').injectInside($(this.optionsContainer))
		//var o = new Element('div').injectInside($(t))
		//var p = new Element('div').injectInside($(o))
		
		this.hiddenInput = $(this.source.getProperty('name'));
	},
	
	bindEvents : function() {
		document.addEvent('click', function() { 
				if ( this.optionsContainer.getStyle('display') == 'block') 
					this.onDropDown()
			}.bind(this));
			
		$(this.options.container).addEvent( 'click', function(e) { new Event(e).stop(); } )		
		this.current.addEvent('click', this.onDropDown.bindWithEvent(this) )
		
	},
	
	//add single option to select
	addOption: function( option ){
			var o = new Element('div').addClass('option').setProperty('value',option.value)
			if ( option.disabled ) { o.addClass('disabled') } else {
				o.addEvents( {
					'click': this.onOptionClick.bindWithEvent(this),
					'mouseout': this.onOptionMouseout.bindWithEvent(this),
					'mouseover': this.onOptionMouseover.bindWithEvent(this)
				})
			}
			
			if ( $defined(option.getProperty('class')) && $chk(option.getProperty('class')) ) 
				o.addClass(option.getProperty('class'))

	
			if ( option.selected ) { 
				if ( this.selected) this.selected.removeClass('selected');
				this.selected = o
				o.addClass('selected')
				this.selectedOption.set('text',option.text);
				this.hiddenInput.value = option.value;
			}
			if(option.value != ''){
				o.set('text',option.text)		
			}
			else{
				//remove/hide the redundancy (options with no value)
				o.setProperty('style', 'display: none;');
				o.setProperty('class', 'dispNone');
			}
			o.injectBefore($(this.optionsContainer).getLast())
	},
	
	fadeIn : function(in_node, in_callback) {
		in_node.set('morph', {duration: '75', onComplete : function(e) {
			if($(e).getNext()) {
				in_callback($(e).getNext(), in_callback);
			}
		}});

		in_node.morph({'opacity' : .95});
	},
	
	onDropDown : function( e ) {
			
			if ( this.optionsContainer.getStyle('display') == 'block') {
				this.optionsContainer.setStyle('display','none');
			} else {
				var temp_options = this.optionsContainer.getElements('div.option');
				
				temp_options.each(function(element) {
					element.setStyle('opacity', '0');
				});

				this.optionsContainer.setStyle('display','block');

				this.fadeIn(temp_options[0], this.fadeIn);

				//.morph();

				this.selected.addClass('selected');
				//needed to fix min-width in ie6
				
				/*var width =  this.optionsContainer.getStyle('width').toInt() > this._select.getStyle('width').toInt() ?
															this.optionsContainer.getStyle('width')
															:
															this._select.getStyle('width')
				
				this.optionsContainer.setStyle('width', width)
				this.optionsContainer.getFirst().setStyle('width', width - 4)
				this.optionsContainer.getLast().setStyle('width', width - 4)*/
			}						
	},
	onOptionClick : function(e) {
		var event = new Event(e)
		if ( this.selected != event.target ) {
			this.selected.removeClass('selected')
			event.target.addClass('selected')
			this.selected = event.target
			this.selectedOption.set('text',this.selected.get('text'));
			this.hiddenInput.value = this.selected.value;
			$(this.hiddenInput).fireEvent('change', this.selected.value);
		}
		this.onDropDown()
	},
	onOptionMouseover : function(e){
		var event = new Event(e)
		this.selected.removeClass('selected')
		event.target.addClass('selected')
	},
	onOptionMouseout : function(e){
		var event = new Event(e)
		event.target.removeClass('selected')
	}
	
});
elSelect.implement(new Events);
elSelect.implement(new Options);