// 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


var AutocompleterConfiguration = {


	nxLinkStorage: {},


	initialize: function(select, options) {

		this.element =
			  "<div "
				+ "id=\"" + $(select).id + "_combo_wrapper\" "
			+ ">"
				+ "<input "
				+ "type=\"text\""
				+ " id=\"" + $(select).id + "_combo\" "
				+ "class=\"" + $(select).id + "_combo\" "
			+ "/></div>";

		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.nxLinkStorage[i] = nodes[i].value;

			this.selectOptions.push(
					  '<li id="nx-countryselect-' + i + '" '
						+ 'onmouseover=\'this.addClassName("active");\' '
						+ 'onmouseout=\'this.removeClassName("active");\' '
						+ 'class=\''+ $(nodes[i]).classNames() +'\''
					+ '>' 
						+ 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].firstChild.data;

		var self = this;

		this.options.afterUpdateElement = function(text, li) {

			var optionList = $(select).getElementsByTagName('option');
			var nodes = $A(optionList);

			$(nodes[$(select).selectedIndex]).classNames().each(function(oldClassName) {
				$(select+'_combo').removeClassName(oldClassName);
			});

			var opt = nodes.find( function(node){
				if (!/nx\-countryselect\-(\d*)/.test(li.id)) {
					return false;
				}
				return (
					node.value == self.nxLinkStorage[li.id.match(/nx\-countryselect\-(.*)/)[1]]
				);
			});
			$(select).selectedIndex=opt.index;

			$(nodes[$(select).selectedIndex]).classNames().each(function(newClassName) {
				$(select+'_combo').addClassName(newClassName);
			});

			if(self.options.redirect && opt.value != '') document.location.href = opt.value;
			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	: false, // redirects to option value
		debug		: false, //show alerts with information
		autoSubmit	: '' //form Id to submit after change
	}, options || {});
	}

};


Autocompleter.SelectBox = Class.create();
Autocompleter.SelectBox.prototype = Object.extend(new Autocompleter.Base(), AutocompleterConfiguration);