// Copyright (c) 2006 - 2007 Gabriel Lanzani (http://www.glanzani.com.ar)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// SEE CHANGELOG FOR A COMPLETE CHANGES OVERVIEW
// VERSION 0.3

Autocompleter.SelectBox = Class.create();
Autocompleter.SelectBox.prototype = Object.extend(new Autocompleter.Base(), {
	initialize: function(select, options) {
		this.element = "<input type=\"text\" id=\"" + $(select).id + "_combo\" />"
		new Insertion.Before(select, this.element)
		var inputClasses = Element.classNames(select);
		inputClasses.each(function(inputClass) {
			Element.addClassName($(select).id + "_combo", inputClass);
		});
	
		this.update = "<div id=\"" + $(select).id + "_options\" class=\"autocomplete\"></div>"	
		new Insertion.Before(select, this.update)
	
		this.baseInitialize($(select).id + "_combo", $(select).id + "_options", options);
		this.select = select;
		this.selectOptions = [];
	
		$(this.element.id).setAttribute('readonly','readonly');
		this.element.readOnly = true;
		if(this.options.debug) {
			alert('input ' + this.element.id + ' and div '+ this.update.id + ' created, Autocompleter.Base() initialized');
		}
		if(!this.options.debug) {
			Element.hide(select);
		}
	
		var optionList 	= $(this.select).getElementsByTagName('option');
		var nodes 		= $A(optionList);
	
		for(i=0; i<nodes.length;i++) {
			this.selectOptions.push("<li id=\"" + nodes[i].value + "\">" + nodes[i].innerHTML + '</li>');
			if (nodes[i].getAttribute("selected")) {
				this.element.value = nodes[i].innerHTML;
			}
			if(this.options.debug)alert('option ' + nodes[i].innerHTML + ' added to '+ this.update.id);
		}
		
		Event.observe(this.element, "click", this.activate.bindAsEventListener(this));
		
		if($(select).selectedIndex >= 0) {
			this.element.value = $(select).options[$(select).selectedIndex].innerHTML;
		}
		
		var self = this;
		this.options.afterUpdateElement = function(text, li) {
			var optionList = $(select).getElementsByTagName('option');
			var nodes = $A(optionList);
			var opt = nodes.find( function(node){
			return (node.value == li.id);
			});
			$(select).selectedIndex=opt.index;
			if(self.options.redirect) sideBar.Filter();
			if(self.options.autoSubmit != '') 
			$(self.options.autoSubmit).submit;
		}
	},
		
	getUpdatedChoices: function() {
		this.updateChoices(this.setValues());
	},
	
	setValues : function(){
		return ("<ul>" + this.selectOptions.join('') + "</ul>");
	},
	
	setOptions: function(options) {
		this.options = Object.extend({
			//MORE OPTIONS TO EXTEND THIS CLASS
			redirect	: true, // redirects to option value
			debug		: false, //show alerts with information
			autoSubmit	: '' //form Id to submit after change 
		},
		options || {});
	}
})