script.js
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Created: Fri, Feb 7, 7:22 PM

script.js
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	String.prototype.trim = function() { return this.replace(/^\s+\|\s+$/, ''); };

	function update_checkbox(cb, cb_hidden) {
	cb_hidden.value = cb.checked ? 1 : 0;
	}

	function redirect($url) {
	window.location.href = $url;
	}

	function open_window($url, $window_name, $width, $height) {
	window.open($url, $window_name, 'width='+$width+',height='+$height+',resizable=yes');
	return false;
	}

	function addLoadEvent(func, wnd) {
	if (!wnd) wnd = window
	var oldonload = wnd.onload;
	if (typeof wnd.onload != 'function') {
	wnd.onload = func;
	} else {
	wnd.onload = function() {
	if (oldonload) {
	oldonload();
	}
	func();
	}
	}
	}

	function addEvent(el, evname, func, traditional) {
	if (traditional) {
	eval('el.on'+evname+'='+func);
	return;
	}

	if (document.all) {
	el.attachEvent("on" + evname, func);
	} else {
	el.addEventListener(evname, func, true);
	}
	};

	// ItemCategories class
	function ItemCategories($table_id, $field_id, $primary_category, $phrases) {
	this.CategoryTable = document.getElementById($table_id);
	this.CategorySelector = document.getElementById($field_id + '_select');
	this.MoreCategoriesField = document.getElementById($field_id);
	this.PrimaryCategory = $primary_category;
	this.Phrases = $phrases;

	// get additional categories from item
	if (this.MoreCategoriesField.value.length) {
	this.MoreCategories = this.MoreCategoriesField.value;
	this.MoreCategories = this.MoreCategories.substring(1, this.MoreCategories.length - 1).split('\|');
	}
	else {
	this.MoreCategories = new Array ();
	}
	}

	ItemCategories.prototype.AddCategory = function($separator, $delete_button, $max_categories) {
	var $category_id = this.CategorySelector.options[this.CategorySelector.selectedIndex].value;
	var $category_name = this.CategorySelector.options[this.CategorySelector.selectedIndex].getAttribute('full_path');

	if ((this.SearchCategory($category_id) !== false) \|\| ($category_id == this.PrimaryCategory) \|\| ($category_id == 0)) {
	// don't add same category twice & don't allow to add item's primary category
	alert(this.Phrases[1]);
	return ;
	}

	if ((this.MoreCategories.length + 2) > $max_categories)
	{
	// don't add more category - $max_categories limit
	alert(this.Phrases[0]);
	return ;
	}

	var $row = this.CategoryTable.insertRow(-1);
	$row.id = 'category_' + $category_id;

	var $cell = $row.insertCell(-1);
	$cell.innerHTML = $category_name;

	$cell = $row.insertCell(-1);
	$cell.innerHTML = $delete_button.replace(/#CATEGORY_ID#/g, $category_id);

	this.MoreCategories.push($category_id);
	this.updateMoreCategoriesField();
	}

	ItemCategories.prototype.SearchCategory = function($category_id) {
	var $i = 0;
	while ($i < this.CategoryTable.rows.length) {
	if (this.CategoryTable.rows[$i].id == 'category_' + $category_id) {
	return $i;
	}
	$i++;
	}

	return false;
	}

	ItemCategories.prototype.DeleteCategory = function($category_id) {
	var $row_index = this.SearchCategory($category_id);

	if ($row_index !== false) {
	this.CategoryTable.deleteRow($row_index);
	var $i = 0;
	while ($i < this.MoreCategories.length) {
	if (this.MoreCategories[$i] == $category_id) {
	this.MoreCategories.splice($i, 1);
	break;
	}
	$i++;
	}
	this.updateMoreCategoriesField();
	}
	}

	ItemCategories.prototype.updateMoreCategoriesField = function() {
	this.MoreCategoriesField.value = this.MoreCategories.length ? '\|' + this.MoreCategories.join('\|') + '\|' : '';
	}

	function jq($selector) {
	return $selector.replace(/(\[\|\]\|\.\|:)/g, '\\$1');
	}

	function MultiLanguageSelector($language_info, $current_language) {
	this._languageInfo = $language_info;
	this._currentLanguage = $current_language;
	this._controls = new Array ();

	var $me = this;

	$(document).ready(
	function() {
	$me.init();
	}
	);
	}

	MultiLanguageSelector.prototype.init = function () {
	var $i = 0;
	var $me = this;

	while ($i < this._controls.length) {
	// set current language
	$( jq('#' + this._controls[$i]) ).data('PrevLanguage', this._currentLanguage);

	for (var $language_id in this._languageInfo) {
	var $id = this.inputForLanguage(this._controls[$i], $language_id);

	$( jq('#' + $id + '_flag') ).each(
	function() {
	$(this)
	.data('MainControl', $me._controls[$i])
	.data('ThisLanguage', $language_id)
	.click(
	function ($event) {
	var $this_flag = $(this);
	var $this_language = $this_flag.data('ThisLanguage');

	var $main_control = $('#' + jq($this_flag.data('MainControl')) );

	var $prev_language = $main_control.data('PrevLanguage');
	var $prev_flag = $( jq('#' + $me.inputForLanguage($main_control.attr('id'), $prev_language) + '_flag') );

	var $language_info;

	if ($this_language != $prev_language) {
	// hide prev language input + enable it's flag
	var $prev_image = $prev_flag.children('img:first');
	if ($prev_image.length) {
	// found image for given language
	$language_info = $me._languageInfo[$prev_language];
	$prev_image.attr('src', $prev_image.attr('src').replace($language_info.off, $language_info.on));
	}
	$( jq('#' + $prev_flag.attr('id').replace(/_flag$/, '_input') ) ).hide();

	// show this language input + disable it's flag
	var $this_image = $this_flag.children('img:first');
	if ($this_image.length) {
	// found image for given language
	$language_info = $me._languageInfo[$this_language];
	$this_image.attr('src', $this_image.attr('src').replace($language_info.on, $language_info.off));
	}
	var $this_container = $( jq('#' + $this_flag.attr('id').replace(/_flag$/, '_input') ) );
	$this_container.show();

	// focus on shown control
	$('input:first, textarea:first', $this_container).focus();

	// remember last used language
	$main_control.data('PrevLanguage', $this_language);
	}

	$event.preventDefault();
	}
	);
	}
	);
	}

	$i++;
	}
	}

	MultiLanguageSelector.prototype.inputForLanguage = function ($control_id, $language_id) {
	return $control_id.replace('l' + this._currentLanguage + '_', 'l' + $language_id + '_');
	}

	MultiLanguageSelector.prototype.registerControl = function ($id) {
	this._controls.push($id);
	}

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