<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_content
 *
 * @copyright   Copyright (C) 2005 - 2013 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 articles.
 *
 * @package     Joomla.Administrator
 * @subpackage  com_content
 * @since       1.6
 */
class ContentViewArticles extends JViewLegacy
{
	protected $items;

	protected $pagination;

	protected $state;

	/**
	 * Display the view
	 *
	 * @return  void
	 */
	public function display($tpl = null)
	{
		if ($this->getLayout() !== 'modal')
		{
			ContentHelper::addSubmenu('articles');
		}

		$this->items		= $this->get('Items');
		$this->pagination	= $this->get('Pagination');
		$this->state		= $this->get('State');
		$this->authors		= $this->get('Authors');

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

		// Levels filter.
		$options	= array();
		$options[]	= JHtml::_('select.option', '1', JText::_('J1'));
		$options[]	= JHtml::_('select.option', '2', JText::_('J2'));
		$options[]	= JHtml::_('select.option', '3', JText::_('J3'));
		$options[]	= JHtml::_('select.option', '4', JText::_('J4'));
		$options[]	= JHtml::_('select.option', '5', JText::_('J5'));
		$options[]	= JHtml::_('select.option', '6', JText::_('J6'));
		$options[]	= JHtml::_('select.option', '7', JText::_('J7'));
		$options[]	= JHtml::_('select.option', '8', JText::_('J8'));
		$options[]	= JHtml::_('select.option', '9', JText::_('J9'));
		$options[]	= JHtml::_('select.option', '10', JText::_('J10'));

		$this->f_levels = $options;

		// We don't need toolbar in the modal window.
		if ($this->getLayout() !== 'modal')
		{
			$this->addToolbar();
			$this->sidebar = JHtmlSidebar::render();
		}

		parent::display($tpl);
	}

	/**
	 * Add the page title and toolbar.
	 *
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		$canDo = ContentHelper::getActions($this->state->get('filter.category_id'));
		$user  = JFactory::getUser();

		// Get the toolbar object instance
		$bar = JToolBar::getInstance('toolbar');

		JToolbarHelper::title(JText::_('COM_CONTENT_ARTICLES_TITLE'), 'article.png');

		if ($canDo->get('core.create') || (count($user->getAuthorisedCategories('com_content', 'core.create'))) > 0 )
		{
			JToolbarHelper::addNew('article.add');
		}

		if (($canDo->get('core.edit')) || ($canDo->get('core.edit.own')))
		{
			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.featured', 'featured.png', 'featured_f2.png', 'JFEATURED', true);
			JToolbarHelper::archiveList('articles.archive');
			JToolbarHelper::checkin('articles.checkin');
		}

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

		// Add a batch button
		if ($user->authorise('core.create', 'com_content') && $user->authorise('core.edit', 'com_content') && $user->authorise('core.edit.state', 'com_content'))
		{
			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::preferences('com_content');
		}

		JToolbarHelper::help('JHELP_CONTENT_ARTICLE_MANAGER');

		JHtmlSidebar::setAction('index.php?option=com_content&view=articles');

		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_CATEGORY'),
			'filter_category_id',
			JHtml::_('select.options', JHtml::_('category.options', 'com_content'), 'value', 'text', $this->state->get('filter.category_id'))
		);

		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_ACCESS'),
			'filter_access',
			JHtml::_('select.options', JHtml::_('access.assetgroups'), 'value', 'text', $this->state->get('filter.access'))
		);

		JHtmlSidebar::addFilter(
			JText::_('JOPTION_SELECT_AUTHOR'),
			'filter_author_id',
			JHtml::_('select.options', $this->authors, 'value', 'text', $this->state->get('filter.author_id'))
		);

		JHtmlSidebar::addFilter(
			JText::_('JOPTION_SELECT_LANGUAGE'),
			'filter_language',
			JHtml::_('select.options', JHtml::_('contentlanguage.existing', true, true), 'value', 'text', $this->state->get('filter.language'))
		);

		JHtmlSidebar::addFilter(
		JText::_('JOPTION_SELECT_TAG'),
		'filter_tag',
		JHtml::_('select.options', JHtml::_('tag.options', true, true), 'value', 'text', $this->state->get('filter.tag'))
		);
	}

	/**
	 * 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(
			'a.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'),
			'a.featured' => JText::_('JFEATURED')
		);
	}
}