<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_content
 *
 * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * View class for a list of featured articles.
 *
 * @since  1.6
 */
class ContentViewFeatured extends JViewLegacy
{
	/**
	 * The item authors
	 *
	 * @var  stdClass
	 */
	protected $authors;

	/**
	 * An array of items
	 *
	 * @var  array
	 */
	protected $items;

	/**
	 * The pagination object
	 *
	 * @var  JPagination
	 */
	protected $pagination;

	/**
	 * The model state
	 *
	 * @var  object
	 */
	protected $state;

	/**
	 * Form object for search filters
	 *
	 * @var  JForm
	 */
	public $filterForm;

	/**
	 * The active search filters
	 *
	 * @var  array
	 */
	public $activeFilters;

	/**
	 * The sidebar markup
	 *
	 * @var  string
	 */
	protected $sidebar;

	/**
	 * Display the view
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  mixed  A string if successful, otherwise an Error object.
	 */
	public function display($tpl = null)
	{
		ContentHelper::addSubmenu('featured');

		$this->items         = $this->get('Items');
		$this->pagination    = $this->get('Pagination');
		$this->state         = $this->get('State');
		$this->authors       = $this->get('Authors');
		$this->filterForm    = $this->get('FilterForm');
		$this->activeFilters = $this->get('ActiveFilters');
		$this->vote          = JPluginHelper::isEnabled('content', 'vote');

		// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			JError::raiseError(500, implode("\n", $errors));

			return false;
		}

		// Levels filter - Used in Hathor.
		$this->f_levels = array(
			JHtml::_('select.option', '1', JText::_('J1')),
			JHtml::_('select.option', '2', JText::_('J2')),
			JHtml::_('select.option', '3', JText::_('J3')),
			JHtml::_('select.option', '4', JText::_('J4')),
			JHtml::_('select.option', '5', JText::_('J5')),
			JHtml::_('select.option', '6', JText::_('J6')),
			JHtml::_('select.option', '7', JText::_('J7')),
			JHtml::_('select.option', '8', JText::_('J8')),
			JHtml::_('select.option', '9', JText::_('J9')),
			JHtml::_('select.option', '10', JText::_('J10')),
		);

		$this->addToolbar();
		$this->sidebar = JHtmlSidebar::render();

		return parent::display($tpl);
	}

	/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		$state = $this->get('State');
		$canDo = JHelperContent::getActions('com_content', 'category', $this->state->get('filter.category_id'));

		JToolbarHelper::title(JText::_('COM_CONTENT_FEATURED_TITLE'), 'star featured');

		if ($canDo->get('core.create'))
		{
			JToolbarHelper::addNew('article.add');
		}

		if ($canDo->get('core.edit'))
		{
			JToolbarHelper::editList('article.edit');
		}

		if ($canDo->get('core.edit.state'))
		{
			JToolbarHelper::publish('articles.publish', 'JTOOLBAR_PUBLISH', true);
			JToolbarHelper::unpublish('articles.unpublish', 'JTOOLBAR_UNPUBLISH', true);
			JToolbarHelper::custom('articles.unfeatured', 'unfeatured.png', 'featured_f2.png', 'JUNFEATURE', true);
			JToolbarHelper::archiveList('articles.archive');
			JToolbarHelper::checkin('articles.checkin');
		}

		if ($state->get('filter.published') == -2 && $canDo->get('core.delete'))
		{
			JToolbarHelper::deleteList('JGLOBAL_CONFIRM_DELETE', 'articles.delete', 'JTOOLBAR_EMPTY_TRASH');
		}
		elseif ($canDo->get('core.edit.state'))
		{
			JToolbarHelper::trash('articles.trash');
		}

		if ($canDo->get('core.admin') || $canDo->get('core.options'))
		{
			JToolbarHelper::preferences('com_content');
		}

		JToolbarHelper::help('JHELP_CONTENT_FEATURED_ARTICLES');
	}

	/**
	 * Returns an array of fields the table can be sorted by
	 *
	 * @return  array  Array containing the field name to sort by as the key and display text as value
	 *
	 * @since   3.0
	 */
	protected function getSortFields()
	{
		return array(
			'fp.ordering' => JText::_('JGRID_HEADING_ORDERING'),
			'a.state' => JText::_('JSTATUS'),
			'a.title' => JText::_('JGLOBAL_TITLE'),
			'category_title' => JText::_('JCATEGORY'),
			'access_level' => JText::_('JGRID_HEADING_ACCESS'),
			'a.created_by' => JText::_('JAUTHOR'),
			'language' => JText::_('JGRID_HEADING_LANGUAGE'),
			'a.created' => JText::_('JDATE'),
			'a.id' => JText::_('JGRID_HEADING_ID')
		);
	}
}
