/**
* @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 : false,
	onChange: {},
	/**
	 * 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');
		
		if( !this.source ) return;
		
		if( this.source.onchange != 'undefined' || this.source.onchange != undefined ){
			this.onChange = this.source.onchange;
		}
		
		this.buildFrameWork();
		
		$(this.source).getElements('option').each( this.addOption, this )
		$(this.options.container).innerHTML = '';
		this._select.injectInside($(this.options.container))
		
		this.bindEvents()
		
	},
	
	buildFrameWork : function() {
		this._select = new Element('div').addClass( this.options.baseClass );
		this.current = new Element('div').addClass('caixa_selected').injectInside($(this._select))
		this.selectedOption = new Element('div').addClass('selectedOption').injectInside($(this.current))
		this.dropDown = new Element('div').addClass('dropDown').injectInside($(this.current))
		new Element('div').addClass('canto_direita').injectInside($(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 = new Element('input').setProperties({
//			type  : 'hidden',
//			name  : this.source.getProperty('name')
//		}).inject( $(this.options.container), 'bottom')
		
		this.hiddenInput = $( this.source.getProperty('id') + '_hide' );
				
	},
	
	bindEvents : function() {
		
		this._select.addEvent( 'mouseleave', function(){
			if( this.optionsContainer.getStyle('display') == 'block' )
				this.onDropDown();
		}.bind(this));
		
		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( this.onChange && !option.id ){
				o.addEvent( 'click', this.onChange );
			}
			
		}
		
		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')
			if( option.text.length > 23){
				this.selectedOption.innerHTML = option.text.substring( 0, 23 );
			}
			else{
				this.selectedOption.innerHTML = option.text;
			}
			this.hiddenInput.setProperty('value',option.value);
		}
//		o.setText(option.text)
		o.innerHTML = option.text
		
		if( option.id ){
    		o.addEvent( 'click', function(){
    			window.open( option.value );
    		});
    	}

		o.injectBefore($(this.optionsContainer).getLast())
		
	},
	
	onDropDown : function( e ) {
			
			if ( this.optionsContainer.getStyle('display') == 'block') {
				this.optionsContainer.setStyle('display','none')
			} else {
				this.optionsContainer.setStyle('display','block')
				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)
				this.optionsContainer.getLast().setStyle('width', width)
			}						
	},
	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.setText(this.selected.getText());
			this.selectedOption.innerHTML = ( new Number( this.selected.innerHTML.length ) > 23 ) ? this.selected.innerHTML.substr(0,23) : this.selected.innerHTML;
			this.hiddenInput.setProperty('value',this.selected.getProperty('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);