// 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.form = $('form_' + $(select).id);

        $(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++)
        {
            // Crazy Language-Icon-Extension by Oliver Tasche
            if (this.options.langIcon)
            {
                this.selectOptions.push('<li id="' + nodes[i].value + '"><img src="/images/default/language_select_' + nodes[i].value + '.png" alt="' + nodes[i].innerHTML + '" class="png" width="19" height="15" />' + nodes[i].innerHTML + '</li>');
            }
            else
            {
                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;
        }

        // Crazy Language-Icon-Extension by Oliver Tasche
        if (this.options.langIcon)
        {
            this.element.setStyle({
                backgroundImage: "url('/images/default/language_select_back_" + $(select).options[$(select).selectedIndex].value + ".gif')"
            });
        }

        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;

            // Crazy Language-Icon-Extension by Oliver Tasche
            if (self.options.langIcon)
            {
                self.element.setStyle({
                    backgroundImage: "url('/images/default/language_select_back_" + li.id + ".gif')"
                });
            }

            if (self.options.redirect)
            {
                document.location.href = opt.value;
            }

            if (self.options.autoSubmit) 
            {
                self.form.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 : false, // submit after change
            langIcon   : false  // Display Language Icons
        }, options || {});
    }
})