/**
  * Method to display a view.
  *
  * @param	boolean			If true, the view output will be cached
  * @param	array			An array of safe url parameters and their variable types, for valid values see {@link JFilterInput::clean()}.
  *
  * @return	JController		This object to support chaining.
  * @since	1.5
  */
 public function display($cachable = false, $urlparams = false)
 {
     // Get the document object.
     $document = JFactory::getDocument();
     // Set the default view name and format from the Request.
     $vName = JRequest::getCmd('view', 'categories');
     $vFormat = $document->getType();
     $lName = JRequest::getCmd('layout', 'default');
     $id = JRequest::getInt('id');
     // Check for edit form.
     if ($vName == 'category' && $lName == 'edit' && !$this->checkEditId('com_categories.edit.category', $id)) {
         // Somehow the person just went to the form - we don't allow that.
         $this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id));
         $this->setMessage($this->getError(), 'error');
         $this->setRedirect(JRoute::_('index.php?option=com_categories&view=categories&extension=' . $this->extension, false));
         return false;
     }
     // Get and render the view.
     if ($view = $this->getView($vName, $vFormat)) {
         // Get the model for the view.
         $model = $this->getModel($vName, 'CategoriesModel', array('name' => $vName . '.' . substr($this->extension, 4)));
         // Push the model into the view (as default).
         $view->setModel($model, true);
         $view->setLayout($lName);
         // Push document object into the view.
         $view->assignRef('document', $document);
         // Load the submenu.
         require_once JPATH_COMPONENT . '/helpers/categories.php';
         CategoriesHelper::addSubmenu($model->getState('filter.extension'));
         $view->display();
     }
     return $this;
 }

 /**
  * Render the list of associated items
  *
  * @param   integer  $catid      Category identifier to search its associations
  * @param   string   $extension  Category Extension
  *
  * @return  string   The language HTML
  *
  * @since   3.2
  * @throws  Exception
  */
 public static function association($catid, $extension = 'com_content')
 {
     // Defaults
     $html = '';
     // Get the associations
     if ($associations = CategoriesHelper::getAssociations($catid, $extension)) {
         $associations = ArrayHelper::toInteger($associations);
         // Get the associated categories
         $db = JFactory::getDbo();
         $query = $db->getQuery(true)->select('c.id, c.title')->select('l.sef as lang_sef')->select('l.lang_code')->from('#__categories as c')->where('c.id IN (' . implode(',', array_values($associations)) . ')')->join('LEFT', '#__languages as l ON c.language=l.lang_code')->select('l.image')->select('l.title as language_title');
         $db->setQuery($query);
         try {
             $items = $db->loadObjectList('id');
         } catch (RuntimeException $e) {
             throw new Exception($e->getMessage(), 500, $e);
         }
         if ($items) {
             foreach ($items as &$item) {
                 $text = $item->lang_sef ? strtoupper($item->lang_sef) : 'XX';
                 $url = JRoute::_('index.php?option=com_categories&task=category.edit&id=' . (int) $item->id . '&extension=' . $extension);
                 $classes = 'hasPopover label label-association label-' . $item->lang_sef;
                 $item->link = '<a href="' . $url . '" title="' . $item->language_title . '" class="' . $classes . '" data-content="' . $item->title . '" data-placement="top">' . $text . '</a>';
             }
         }
         JHtml::_('bootstrap.popover');
         $html = JLayoutHelper::render('joomla.content.associations', $items);
     }
     return $html;
 }

 /**
  * @param	int $articleid	The article item id
  */
 public static function association($catid)
 {
     // Get the associations
     $associations = CategoriesHelper::getAssociations($catid);
     JArrayHelper::toInteger($associations);
     // Get the associated menu items
     $db = JFactory::getDbo();
     $query = $db->getQuery(true);
     $query->select('c.*');
     $query->from('#__categories as c');
     $query->where('c.id IN (' . implode(',', array_values($associations)) . ')');
     $query->leftJoin('#__languages as l ON c.language=l.lang_code');
     $query->select('l.image');
     $query->select('l.title as language_title');
     $db->setQuery($query);
     $items = $db->loadObjectList('id');
     // Check for a database error.
     if ($error = $db->getErrorMsg()) {
         JError::raiseWarning(500, $error);
         return false;
     }
     // Construct html
     $text = array();
     foreach ($associations as $tag => $associated) {
         if ($associated != $catid) {
             $text[] = JText::sprintf('COM_CATEGORIES_TIP_ASSOCIATED_LANGUAGE', JHtml::_('image', 'mod_languages/' . $items[$associated]->image . '.gif', $items[$associated]->language_title, array('title' => $items[$associated]->language_title), true), $items[$associated]->title);
         }
     }
     return JHtml::_('tooltip', implode('<br />', $text), JText::_('COM_CATEGORIES_TIP_ASSOCIATION'), 'admin/icon-16-links.png');
 }

 /**
  * Render the list of associated items
  *
  * @param   integer  $catid      Category identifier to search its associations
  * @param   string   $extension  Category Extension
  *
  * @return  string   The language HTML
  */
 public static function association($catid, $extension = 'com_content')
 {
     // Defaults
     $html = '';
     // Get the associations
     if ($associations = CategoriesHelper::getAssociations($catid, $extension)) {
         JArrayHelper::toInteger($associations);
         // Get the associated categories
         $db = JFactory::getDbo();
         $query = $db->getQuery(true)->select('c.id, c.title')->select('l.sef as lang_sef')->from('#__categories as c')->where('c.id IN (' . implode(',', array_values($associations)) . ')')->join('LEFT', '#__languages as l ON c.language=l.lang_code')->select('l.image')->select('l.title as language_title');
         $db->setQuery($query);
         try {
             $items = $db->loadObjectList('id');
         } catch (RuntimeException $e) {
             throw new Exception($e->getMessage(), 500);
         }
         if ($items) {
             foreach ($items as &$item) {
                 $text = strtoupper($item->lang_sef);
                 $url = JRoute::_('index.php?option=com_categories&task=category.edit&id=' . (int) $item->id . '&extension=' . $extension);
                 $tooltipParts = array(JHtml::_('image', 'mod_languages/' . $item->image . '.gif', $item->language_title, array('title' => $item->language_title), true), $item->title);
                 $item->link = JHtml::_('tooltip', implode(' ', $tooltipParts), null, null, $text, $url, null, ' label label-association label-' . $item->lang_sef);
             }
         }
         $html = JLayoutHelper::render('joomla.content.associations', $items);
     }
     return $html;
 }

 /**
  * Method to get the associations for a given category
  *
  * @param   integer  $id         Id of the item
  * @param   string   $extension  Name of the component
  *
  * @return  array   Array of associations for the component categories
  *
  * @since  3.0
  */
 public static function getCategoryAssociations($id = 0, $extension = 'com_content')
 {
     $return = array();
     if ($id) {
         $associations = CategoriesHelper::getAssociations($id, $extension);
         foreach ($associations as $tag => $item) {
             $return[$tag] = ContentHelperRoute::getCategoryRoute($item, $tag);
         }
     }
     return $return;
 }

 public static function getAssociationsForm($id, $name, $config = array())
 {
     if (!self::hasAssociations()) {
         return '';
     }
     $app = JFactory::getApplication();
     $addform = new SimpleXMLElement('<form />');
     $extension = $app->input->getString('extension', 'com_content');
     $fields = $addform->addChild('fields');
     $fields->addAttribute('name', $name);
     $fieldset = $fields->addChild('fieldset');
     $fieldset->addAttribute('name', 'item_associations');
     $fieldset->addAttribute('description', 'COM_CATEGORIES_ITEM_ASSOCIATIONS_FIELDSET_DESC');
     $fieldset->addAttribute('addfieldpath', '/administrator/components/com_categories/models/fields');
     $hasForm = false;
     $languages = JLanguageHelper::getLanguages('lang_code');
     foreach ($languages as $tag => $language) {
         if (empty($config['language']) || $tag != $config['language']) {
             $hasForm = true;
             $f = $fieldset->addChild('field');
             $f->addAttribute('name', $tag);
             $f->addAttribute('type', 'modal_category');
             $f->addAttribute('language', $tag);
             $f->addAttribute('label', $language->title);
             $f->addAttribute('translate_label', 'false');
             $f->addAttribute('extension', $extension);
         }
     }
     $form = JForm::getInstance($id, $addform->asXML());
     if ($hasForm) {
         $form->load($addform, false);
         $associations = CategoriesHelper::getAssociations($config['pk'], $extension);
         if (count($associations)) {
             foreach ($associations as $tag => $association_id) {
                 $form->setValue($tag, $name, $association_id);
             }
         }
         if ($config['translate_id'] && isset($config['translate'])) {
             $form->setValue($config['translate'], $name, $config['translate_id']);
         }
     }
     // Render Form
     $fields = $form->getFieldset('item_associations');
     $form = '';
     foreach ($fields as $f) {
         $form .= '<div class="control-group"><div class="control-label">' . $f->label . '</div><div class="controls">' . $f->input . '</div></div>';
     }
     return $form;
 }

 /**
  * Display the view
  */
 public function display($tpl = null)
 {
     $JSNMedia = JSNFactory::getMedia();
     $JSNMedia->addStyleSheet(JSN_POWERADMIN_STYLE_URI . 'content.css');
     JSNHtmlAsset::addScript(JSN_POWERADMIN_LIB_JSNJS_URI . 'jsn.content.js');
     //Load language
     JFactory::getLanguage()->load('com_categories');
     $this->form = $this->get('Form');
     $this->item = $this->get('Item');
     $this->state = $this->get('State');
     $this->canDo = CategoriesHelper::getActions($this->state->get('category.component'));
     // Check for errors.
     if (count($errors = $this->get('Errors'))) {
         JError::raiseError(500, implode("\n", $errors));
         return false;
     }
     parent::display($tpl);
 }

 /**
  * Method to get the associations for a given category
  *
  * @param   integer  $id         Id of the item
  * @param   string   $extension  Name of the component
  *
  * @return  array    Array of associations for the component categories
  *
  * @since  3.0
  */
 public static function getCategoryAssociations($id = 0, $extension = 'com_content')
 {
     $return = array();
     if ($id) {
         // Load route helper
         jimport('helper.route', JPATH_COMPONENT_SITE);
         $helperClassname = ucfirst(substr($extension, 4)) . 'HelperRoute';
         $associations = CategoriesHelper::getAssociations($id, $extension);
         foreach ($associations as $tag => $item) {
             if (class_exists($helperClassname) && is_callable(array($helperClassname, 'getCategoryRoute'))) {
                 $return[$tag] = $helperClassname::getCategoryRoute($item, $tag);
             } else {
                 $return[$tag] = 'index.php?option=' . $extension . '&view=category&id=' . $item;
             }
         }
     }
     return $return;
 }

 /**
  * Method to display a view.
  *
  * @return	void
  */
 function display()
 {
     // Get the document object.
     $document =& JFactory::getDocument();
     // Set the default view name and format from the Request.
     $vName = JRequest::getWord('view', 'categories');
     $vFormat = $document->getType();
     $lName = JRequest::getWord('layout', 'default');
     // Get and render the view.
     if ($view =& $this->getView($vName, $vFormat)) {
         // Get the model for the view.
         $model =& $this->getModel($vName);
         // Push the model into the view (as default).
         $view->setModel($model, true);
         $view->setLayout($lName);
         // Push document object into the view.
         $view->assignRef('document', $document);
         $view->display();
         // Load the submenu.
         require_once JPATH_COMPONENT . DS . 'helpers' . DS . 'categories.php';
         CategoriesHelper::addSubmenu($model->getState('filter.extension'));
     }
 }

 /**
  * Method to get the associations for a given category
  *
  * @param   integer  $id         Id of the item
  * @param   string   $extension  Name of the component
  *
  * @return  array    Array of associations for the component categories
  *
  * @since  3.0
  */
 public static function getCategoryAssociations($id = 0, $extension = 'com_content', $view = '')
 {
     $return = array();
     if ($id) {
         //            if(!is_array($id)){
         // Load route helper
         jimport('helper.route', JPATH_COMPONENT_SITE);
         $helperClassname = 'TZ_PortfolioHelperRoute';
         $associations = CategoriesHelper::getAssociations($id, $extension);
         foreach ($associations as $tag => $item) {
             if (class_exists($helperClassname) && is_callable(array($helperClassname, 'getCategoryRoute'))) {
                 $return[$tag] = $helperClassname::getCategoryRoute($item, $tag);
             } else {
                 $return[$tag] = 'index.php?option=com_tz_portfolio&view=category&id=' . $item;
             }
         }
         //            }else{
         //                $associations = CategoriesHelper::getAssociations($id, $extension);
         //                var_dump($associations);
         //            }
     }
     return $return;
 }

 /**
  * Method to save the form data.
  *
  * @param   array  $data  The form data.
  *
  * @return  boolean  True on success.
  *
  * @since   3.0
  */
 public function save($data)
 {
     $input = JFactory::getApplication()->input;
     JLoader::register('CategoriesHelper', JPATH_ADMINISTRATOR . '/components/com_categories/helpers/categories.php');
     // Cast catid to integer for comparison
     $catid = (int) $data['catid'];
     // Check if New Category exists
     if ($catid > 0) {
         $catid = CategoriesHelper::validateCategoryId($data['catid'], 'com_contact');
     }
     // Save New Category
     if ($catid == 0 && $this->canCreateCategory()) {
         $table = array();
         $table['title'] = $data['catid'];
         $table['parent_id'] = 1;
         $table['extension'] = 'com_contact';
         $table['language'] = $data['language'];
         $table['published'] = 1;
         // Create new category and get catid back
         $data['catid'] = CategoriesHelper::createCategory($table);
     }
     // Alter the name for save as copy
     if ($input->get('task') == 'save2copy') {
         $origTable = clone $this->getTable();
         $origTable->load($input->getInt('id'));
         if ($data['name'] == $origTable->name) {
             list($name, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['name']);
             $data['name'] = $name;
             $data['alias'] = $alias;
         } else {
             if ($data['alias'] == $origTable->alias) {
                 $data['alias'] = '';
             }
         }
         $data['published'] = 0;
     }
     $links = array('linka', 'linkb', 'linkc', 'linkd', 'linke');
     foreach ($links as $link) {
         if ($data['params'][$link]) {
             $data['params'][$link] = JStringPunycode::urlToPunycode($data['params'][$link]);
         }
     }
     return parent::save($data);
 }

 /**
  * Method to save the form data.
  *
  * @param   array  $data  The form data.
  *
  * @return  boolean  True on success.
  *
  * @since	3.1
  */
 public function save($data)
 {
     $app = JFactory::getApplication();
     JLoader::register('CategoriesHelper', JPATH_ADMINISTRATOR . '/components/com_categories/helpers/categories.php');
     // Cast catid to integer for comparison
     $catid = (int) $data['catid'];
     // Check if New Category exists
     if ($catid > 0) {
         $catid = CategoriesHelper::validateCategoryId($data['catid'], 'com_weblinks');
     }
     // Save New Category
     if ($catid == 0 && $this->canCreateCategory()) {
         $table = array();
         $table['title'] = $data['catid'];
         $table['parent_id'] = 1;
         $table['extension'] = 'com_weblinks';
         $table['language'] = $data['language'];
         $table['published'] = 1;
         // Create new category and get catid back
         $data['catid'] = CategoriesHelper::createCategory($table);
     }
     // Alter the title for save as copy
     if ($app->input->get('task') == 'save2copy') {
         list($name, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['title']);
         $data['title'] = $name;
         $data['alias'] = $alias;
         $data['state'] = 0;
     }
     return parent::save($data);
 }

<?php

defined('_JEXEC') or die;
require_once __DIR__ . '/helper.php';
$categories = CategoriesHelper::getCategories();
if (!empty($categories)) {
    require JModuleHelper::getLayoutPath('mod_categories', $params->get('layout', 'default'));
}

 /**
  * Method to save the form data.
  *
  * @param   array  $data  The form data.
  *
  * @return  boolean  True on success.
  *
  * @since   1.6
  */
 public function save($data)
 {
     $input = JFactory::getApplication()->input;
     JLoader::register('CategoriesHelper', JPATH_ADMINISTRATOR . '/components/com_categories/helpers/categories.php');
     // Cast catid to integer for comparison
     $catid = (int) $data['catid'];
     // Check if New Category exists
     if ($catid > 0) {
         $catid = CategoriesHelper::validateCategoryId($data['catid'], 'com_banners');
     }
     // Save New Category
     if ($catid == 0) {
         $table = array();
         $table['title'] = $data['catid'];
         $table['parent_id'] = 1;
         $table['extension'] = 'com_banners';
         $table['language'] = $data['language'];
         $table['published'] = 1;
         // Create new category and get catid back
         $data['catid'] = CategoriesHelper::createCategory($table);
     }
     // Alter the name for save as copy
     if ($input->get('task') == 'save2copy') {
         /** @var BannersTableBanner $origTable */
         $origTable = clone $this->getTable();
         $origTable->load($input->getInt('id'));
         if ($data['name'] == $origTable->name) {
             list($name, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['name']);
             $data['name'] = $name;
             $data['alias'] = $alias;
         } else {
             if ($data['alias'] == $origTable->alias) {
                 $data['alias'] = '';
             }
         }
         $data['state'] = 0;
     }
     return parent::save($data);
 }

        <p>
            <b>
                <?php 
echo $form->labelEx($model, 'categoryIds');
?>
            </b>
        </p>
        <input type="text" name="categoryFilter" class="filter span8"
               placeholder="<?php 
echo Yii::t('main', 'text.filter.placeholder');
?>
"/>

        <div>
            <?php 
echo $form->inlineCheckBoxList($model, 'categoryIds', CategoriesHelper::all(), ['template' => '{beginLabel}{input} {labelTitle}{endLabel}', 'separator' => '']);
?>
        </div>
    </div>
    <hr />
    <div class="control-group">
        <p>
            <b>
                <?php 
echo $form->labelEx($model, 'positionIds');
?>
            </b>
        </p
        <p>
            <?php 
echo Yii::t('main', 'vacancy.label.positionIds.ext');

 /**
  * Add the page title and toolbar.
  *
  * @since   1.6
  */
 protected function addToolbar()
 {
     $categoryId = $this->state->get('filter.category_id');
     $component = $this->state->get('filter.component');
     $section = $this->state->get('filter.section');
     $canDo = null;
     $user = JFactory::getUser();
     $extension = JFactory::getApplication()->input->get('extension', '', 'word');
     // Get the toolbar object instance
     $bar = JToolBar::getInstance('toolbar');
     // Avoid nonsense situation.
     if ($component == 'com_categories') {
         return;
     }
     // Need to load the menu language file as mod_menu hasn't been loaded yet.
     $lang = JFactory::getLanguage();
     $lang->load($component, JPATH_BASE, null, false, false) || $lang->load($component, JPATH_ADMINISTRATOR . '/components/' . $component, null, false, false) || $lang->load($component, JPATH_BASE, $lang->getDefault(), false, false) || $lang->load($component, JPATH_ADMINISTRATOR . '/components/' . $component, $lang->getDefault(), false, false);
     // Load the category helper.
     require_once JPATH_COMPONENT . '/helpers/categories.php';
     // Get the results for each action.
     $canDo = CategoriesHelper::getActions($component, $categoryId);
     // If a component categories title string is present, let's use it.
     if ($lang->hasKey($component_title_key = strtoupper($component . ($section ? "_{$section}" : '')) . '_CATEGORIES_TITLE')) {
         $title = JText::_($component_title_key);
     } elseif ($lang->hasKey($component_section_key = strtoupper($component . ($section ? "_{$section}" : '')))) {
         $title = JText::sprintf('COM_CATEGORIES_CATEGORIES_TITLE', $this->escape(JText::_($component_section_key)));
     } else {
         $title = JText::_('COM_CATEGORIES_CATEGORIES_BASE_TITLE');
     }
     // Load specific css component
     JHtml::_('stylesheet', $component . '/administrator/categories.css', array(), true);
     // Prepare the toolbar.
     JToolbarHelper::title($title, 'categories ' . substr($component, 4) . ($section ? "-{$section}" : '') . '-categories');
     if ($canDo->get('core.create') || count($user->getAuthorisedCategories($component, 'core.create')) > 0) {
         JToolbarHelper::addNew('category.add');
     }
     if ($canDo->get('core.edit') || $canDo->get('core.edit.own')) {
         JToolbarHelper::editList('category.edit');
     }
     if ($canDo->get('core.edit.state')) {
         JToolbarHelper::publish('categories.publish', 'JTOOLBAR_PUBLISH', true);
         JToolbarHelper::unpublish('categories.unpublish', 'JTOOLBAR_UNPUBLISH', true);
         JToolbarHelper::archiveList('categories.archive');
     }
     if (JFactory::getUser()->authorise('core.admin')) {
         JToolbarHelper::checkin('categories.checkin');
     }
     if ($this->state->get('filter.published') == -2 && $canDo->get('core.delete', $component)) {
         JToolbarHelper::deleteList('', 'categories.delete', 'JTOOLBAR_EMPTY_TRASH');
     } elseif ($canDo->get('core.edit.state')) {
         JToolbarHelper::trash('categories.trash');
     }
     // Add a batch button
     if ($user->authorise('core.create', $extension) & $user->authorise('core.edit', $extension) && $user->authorise('core.edit.state', $extension)) {
         JHtml::_('bootstrap.modal', 'collapseModal');
         $title = JText::_('JTOOLBAR_BATCH');
         // Instantiate a new JLayoutFile instance and render the batch button
         $layout = new JLayoutFile('joomla.toolbar.batch');
         $dhtml = $layout->render(array('title' => $title));
         $bar->appendButton('Custom', $dhtml, 'batch');
     }
     if ($canDo->get('core.admin')) {
         JToolbarHelper::custom('categories.rebuild', 'refresh.png', 'refresh_f2.png', 'JTOOLBAR_REBUILD', false);
         JToolbarHelper::preferences($component);
     }
     // Compute the ref_key if it does exist in the component
     if (!$lang->hasKey($ref_key = strtoupper($component . ($section ? "_{$section}" : '')) . '_CATEGORIES_HELP_KEY')) {
         $ref_key = 'JHELP_COMPONENTS_' . strtoupper(substr($component, 4) . ($section ? "_{$section}" : '')) . '_CATEGORIES';
     }
     // Get help for the categories view for the component by
     // -remotely searching in a language defined dedicated URL: *component*_HELP_URL
     // -locally  searching in a component help file if helpURL param exists in the component and is set to ''
     // -remotely searching in a component URL if helpURL param exists in the component and is NOT set to ''
     if ($lang->hasKey($lang_help_url = strtoupper($component) . '_HELP_URL')) {
         $debug = $lang->setDebug(false);
         $url = JText::_($lang_help_url);
         $lang->setDebug($debug);
     } else {
         $url = null;
     }
     JToolbarHelper::help($ref_key, JComponentHelper::getParams($component)->exists('helpURL'), $url);
     JHtmlSidebar::setAction('index.php?option=com_categories&view=categories');
     JHtmlSidebar::addFilter(JText::_('JOPTION_SELECT_MAX_LEVELS'), 'filter_level', JHtml::_('select.options', $this->f_levels, 'value', 'text', $this->state->get('filter.level')));
     JHtmlSidebar::addFilter(JText::_('JOPTION_SELECT_PUBLISHED'), 'filter_published', JHtml::_('select.options', JHtml::_('jgrid.publishedOptions'), 'value', 'text', $this->state->get('filter.published'), true));
     JHtmlSidebar::addFilter(JText::_('JOPTION_SELECT_ACCESS'), 'filter_access', JHtml::_('select.options', JHtml::_('access.assetgroups'), 'value', 'text', $this->state->get('filter.access')));
     JHtmlSidebar::addFilter(JText::_('JOPTION_SELECT_LANGUAGE'), 'filter_language', JHtml::_('select.options', JHtml::_('contentlanguage.existing', true, true), 'value', 'text', $this->state->get('filter.language')));
     if (JHelperTags::getTypes('objectList', array($extension . '.category'), true)) {
         JHtmlSidebar::addFilter(JText::_('JOPTION_SELECT_TAG'), 'filter_tag', JHtml::_('select.options', JHtml::_('tag.options', true, true), 'value', 'text', $this->state->get('filter.tag')));
     }
 }

 /**
  * Method to save the form data.
  *
  * @param   array  $data  The form data.
  *
  * @return  boolean  True on success.
  *
  * @since   1.6
  */
 public function save($data)
 {
     $input = JFactory::getApplication()->input;
     $filter = JFilterInput::getInstance();
     if (isset($data['metadata']) && isset($data['metadata']['author'])) {
         $data['metadata']['author'] = $filter->clean($data['metadata']['author'], 'TRIM');
     }
     if (isset($data['created_by_alias'])) {
         $data['created_by_alias'] = $filter->clean($data['created_by_alias'], 'TRIM');
     }
     if (isset($data['images']) && is_array($data['images'])) {
         $registry = new Registry();
         $registry->loadArray($data['images']);
         $data['images'] = (string) $registry;
     }
     JLoader::register('CategoriesHelper', JPATH_ADMINISTRATOR . '/components/com_categories/helpers/categories.php');
     // Cast catid to integer for comparison
     $catid = (int) $data['catid'];
     // Check if New Category exists
     if ($catid > 0) {
         $catid = CategoriesHelper::validateCategoryId($data['catid'], 'com_content');
     }
     // Save New Categoryg
     if ($catid == 0 && $this->canCreateCategory()) {
         $table = array();
         $table['title'] = $data['catid'];
         $table['parent_id'] = 1;
         $table['extension'] = 'com_content';
         $table['language'] = $data['language'];
         $table['published'] = 1;
         // Create new category and get catid back
         $data['catid'] = CategoriesHelper::createCategory($table);
     }
     if (isset($data['urls']) && is_array($data['urls'])) {
         $check = $input->post->get('jform', array(), 'array');
         foreach ($data['urls'] as $i => $url) {
             if ($url != false && ($i == 'urla' || $i == 'urlb' || $i == 'urlc')) {
                 if (preg_match('~^#[a-zA-Z]{1}[a-zA-Z0-9-_:.]*$~', $check['urls'][$i]) == 1) {
                     $data['urls'][$i] = $check['urls'][$i];
                 } else {
                     $data['urls'][$i] = JStringPunycode::urlToPunycode($url);
                 }
             }
         }
         unset($check);
         $registry = new Registry();
         $registry->loadArray($data['urls']);
         $data['urls'] = (string) $registry;
     }
     // Alter the title for save as copy
     if ($input->get('task') == 'save2copy') {
         $origTable = clone $this->getTable();
         $origTable->load($input->getInt('id'));
         if ($data['title'] == $origTable->title) {
             list($title, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['title']);
             $data['title'] = $title;
             $data['alias'] = $alias;
         } else {
             if ($data['alias'] == $origTable->alias) {
                 $data['alias'] = '';
             }
         }
         $data['state'] = 0;
     }
     // Automatic handling of alias for empty fields
     if (in_array($input->get('task'), array('apply', 'save', 'save2new')) && (!isset($data['id']) || (int) $data['id'] == 0)) {
         if ($data['alias'] == null) {
             if (JFactory::getConfig()->get('unicodeslugs') == 1) {
                 $data['alias'] = JFilterOutput::stringURLUnicodeSlug($data['title']);
             } else {
                 $data['alias'] = JFilterOutput::stringURLSafe($data['title']);
             }
             $table = JTable::getInstance('Content', 'JTable');
             if ($table->load(array('alias' => $data['alias'], 'catid' => $data['catid']))) {
                 $msg = JText::_('COM_CONTENT_SAVE_WARNING');
             }
             list($title, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['title']);
             $data['alias'] = $alias;
             if (isset($msg)) {
                 JFactory::getApplication()->enqueueMessage($msg, 'warning');
             }
         }
     }
     if (parent::save($data)) {
         if (isset($data['featured'])) {
             $this->featured($this->getState($this->getName() . '.id'), $data['featured']);
         }
         return true;
     }
     return false;
 }

 /**
  * Add the page title and toolbar.
  *
  * @since	1.6
  */
 protected function addToolbar()
 {
     // Initialise variables.
     $categoryId = $this->state->get('filter.category_id');
     $component = $this->state->get('filter.component');
     $section = $this->state->get('filter.section');
     $canDo = null;
     // Avoid nonsense situation.
     if ($component == 'com_categories') {
         return;
     }
     // Need to load the menu language file as mod_menu hasn't been loaded yet.
     $lang = JFactory::getLanguage();
     $lang->load($component, JPATH_BASE, null, false, false) || $lang->load($component, JPATH_ADMINISTRATOR . '/components/' . $component, null, false, false) || $lang->load($component, JPATH_BASE, $lang->getDefault(), false, false) || $lang->load($component, JPATH_ADMINISTRATOR . '/components/' . $component, $lang->getDefault(), false, false);
     // Load the category helper.
     require_once JPATH_COMPONENT . '/helpers/categories.php';
     // Get the results for each action.
     $canDo = CategoriesHelper::getActions($component, $categoryId);
     // If a component categories title string is present, let's use it.
     if ($lang->hasKey($component_title_key = strtoupper($component . ($section ? "_{$section}" : '')) . '_CATEGORIES_TITLE')) {
         $title = JText::_($component_title_key);
     } elseif ($lang->hasKey($component_section_key = strtoupper($component . ($section ? "_{$section}" : '')))) {
         $title = JText::sprintf('COM_CATEGORIES_CATEGORIES_TITLE', $this->escape(JText::_($component_section_key)));
     } else {
         $title = JText::_('COM_CATEGORIES_CATEGORIES_BASE_TITLE');
     }
     // Load specific css component
     JHtml::_('stylesheet', $component . '/administrator/categories.css', array(), true);
     // Prepare the toolbar.
     JToolBarHelper::title($title, 'categories ' . substr($component, 4) . ($section ? "-{$section}" : '') . '-categories');
     if ($canDo->get('core.create')) {
         JToolBarHelper::custom('category.add', 'new.png', 'new_f2.png', 'JTOOLBAR_NEW', false);
     }
     if ($canDo->get('core.edit') || $canDo->get('core.edit.own')) {
         JToolBarHelper::custom('category.edit', 'edit.png', 'edit_f2.png', 'JTOOLBAR_EDIT', true);
         JToolBarHelper::divider();
     }
     if ($canDo->get('core.edit.state')) {
         JToolBarHelper::custom('categories.publish', 'publish.png', 'publish_f2.png', 'JTOOLBAR_PUBLISH', true);
         JToolBarHelper::custom('categories.unpublish', 'unpublish.png', 'unpublish_f2.png', 'JTOOLBAR_UNPUBLISH', true);
         JToolBarHelper::divider();
         JToolBarHelper::archiveList('categories.archive', 'JTOOLBAR_ARCHIVE');
     }
     if (JFactory::getUser()->authorise('core.admin')) {
         JToolBarHelper::custom('categories.checkin', 'checkin.png', 'checkin_f2.png', 'JTOOLBAR_CHECKIN', true);
     }
     if ($this->state->get('filter.published') == -2 && $canDo->get('core.delete', $component)) {
         JToolBarHelper::deleteList('', 'categories.delete', 'JTOOLBAR_EMPTY_TRASH');
     } else {
         if ($canDo->get('core.edit.state')) {
             JToolBarHelper::trash('categories.trash', 'JTOOLBAR_TRASH');
             JToolBarHelper::divider();
         }
     }
     if ($canDo->get('core.admin')) {
         JToolBarHelper::custom('categories.rebuild', 'refresh.png', 'refresh_f2.png', 'JTOOLBAR_REBUILD', false);
         JToolBarHelper::preferences($component);
         JToolBarHelper::divider();
     }
     // Compute the ref_key if it does exist in the component
     if (!$lang->hasKey($ref_key = strtoupper($component . ($section ? "_{$section}" : '')) . '_CATEGORIES_HELP_KEY')) {
         $ref_key = 'JHELP_COMPONENTS_' . strtoupper(substr($component, 4) . ($section ? "_{$section}" : '')) . '_CATEGORIES';
     }
     // Get help for the categories view for the component by
     // -remotely searching in a language defined dedicated URL: *component*_HELP_URL
     // -locally  searching in a component help file if helpURL param exists in the component and is set to ''
     // -remotely searching in a component URL if helpURL param exists in the component and is NOT set to ''
     if ($lang->hasKey($lang_help_url = strtoupper($component) . '_HELP_URL')) {
         $debug = $lang->setDebug(false);
         $url = JText::_($lang_help_url);
         $lang->setDebug($debug);
     } else {
         $url = null;
     }
     JToolBarHelper::help($ref_key, JComponentHelper::getParams($component)->exists('helpURL'), $url);
 }

 /**
  * Method to get a category.
  *
  * @param   integer  $pk  An optional id of the object to get, otherwise the id from the model state is used.
  *
  * @return  mixed    Category data object on success, false on failure.
  *
  * @since   1.6
  */
 public function getItem($pk = null)
 {
     if ($result = parent::getItem($pk)) {
         // Prime required properties.
         if (empty($result->id)) {
             $result->parent_id = $this->getState('category.parent_id');
             $result->extension = $this->getState('category.extension');
         }
         // Convert the metadata field to an array.
         $registry = new Registry();
         $registry->loadString($result->metadata);
         $result->metadata = $registry->toArray();
         // Convert the created and modified dates to local user time for display in the form.
         $tz = new DateTimeZone(JFactory::getApplication()->get('offset'));
         if ((int) $result->created_time) {
             $date = new JDate($result->created_time);
             $date->setTimezone($tz);
             $result->created_time = $date->toSql(true);
         } else {
             $result->created_time = null;
         }
         if ((int) $result->modified_time) {
             $date = new JDate($result->modified_time);
             $date->setTimezone($tz);
             $result->modified_time = $date->toSql(true);
         } else {
             $result->modified_time = null;
         }
         if (!empty($result->id)) {
             $result->tags = new JHelperTags();
             $result->tags->getTagIds($result->id, $result->extension . '.category');
         }
     }
     $assoc = $this->getAssoc();
     if ($assoc) {
         if ($result->id != null) {
             $result->associations = CategoriesHelper::getAssociations($result->id, $result->extension);
             JArrayHelper::toInteger($result->associations);
         } else {
             $result->associations = array();