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Editing: HtmlView.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_content
 *
 * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Content\Administrator\View\Article;

\defined('_JEXEC') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Helper\ContentHelper;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Router\Route;
use Joomla\CMS\Toolbar\Toolbar;
use Joomla\CMS\Toolbar\ToolbarHelper;
use Joomla\Component\Content\Site\Helper\RouteHelper;

/**
 * View to edit an article.
 *
 * @since  1.6
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The \JForm object
	 *
	 * @var \Joomla\CMS\Form\Form
	 */
	protected $form;

/**
	 * The active item
	 *
	 * @var  object
	 */
	protected $item;

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

/**
	 * The actions the user is authorised to perform
	 *
	 * @var  \JObject
	 */
	protected $canDo;

/**
	 * Pagebreak TOC alias
	 *
	 * @var  string
	 */
	protected $eName;

/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 *
	 * @throws \Exception
	 * @since   1.6
	 */
	public function display($tpl = null)
	{
		if ($this->getLayout() == 'pagebreak')
		{
			parent::display($tpl);

return;
		}

$this->form  = $this->get('Form');
		$this->item  = $this->get('Item');
		$this->state = $this->get('State');
		$this->canDo = ContentHelper::getActions('com_content', 'article', $this->item->id);

// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			throw new GenericDataException(implode("\n", $errors), 500);
		}

// If we are forcing a language in modal (used for associations).
		if ($this->getLayout() === 'modal' && $forcedLanguage = Factory::getApplication()->input->get('forcedLanguage', '', 'cmd'))
		{
			// Set the language field to the forcedLanguage and disable changing it.
			$this->form->setValue('language', null, $forcedLanguage);
			$this->form->setFieldAttribute('language', 'readonly', 'true');

// Only allow to select categories with All language or with the forced language.
			$this->form->setFieldAttribute('catid', 'language', '*,' . $forcedLanguage);

// Only allow to select tags with All language or with the forced language.
			$this->form->setFieldAttribute('tags', 'language', '*,' . $forcedLanguage);
		}

$this->addToolbar();

parent::display($tpl);
	}

/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @throws \Exception
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		Factory::getApplication()->input->set('hidemainmenu', true);
		$user       = Factory::getUser();
		$userId     = $user->id;
		$isNew      = ($this->item->id == 0);
		$checkedOut = !(is_null($this->item->checked_out) || $this->item->checked_out == $userId);

// Built the actions for new and existing records.
		$canDo = $this->canDo;

$toolbar = Toolbar::getInstance();

ToolbarHelper::title(
			Text::_('COM_CONTENT_PAGE_' . ($checkedOut ? 'VIEW_ARTICLE' : ($isNew ? 'ADD_ARTICLE' : 'EDIT_ARTICLE'))),
			'pencil-alt article-add'
		);

// For new records, check the create permission.
		if ($isNew && (count($user->getAuthorisedCategories('com_content', 'core.create')) > 0))
		{
			$toolbar->apply('article.apply');

$saveGroup = $toolbar->dropdownButton('save-group');

$saveGroup->configure(
				function (Toolbar $childBar) use ($user)
				{
					$childBar->save('article.save');

if ($user->authorise('core.create', 'com_menus.menu'))
					{
						$childBar->save('article.save2menu', 'JTOOLBAR_SAVE_TO_MENU');
					}

$childBar->save2new('article.save2new');
				}
			);

$toolbar->cancel('article.cancel', 'JTOOLBAR_CANCEL');
		}
		else
		{
			// Since it's an existing record, check the edit permission, or fall back to edit own if the owner.
			$itemEditable = $canDo->get('core.edit') || ($canDo->get('core.edit.own') && $this->item->created_by == $userId);

if (!$checkedOut && $itemEditable)
			{
				$toolbar->apply('article.apply');
			}

$saveGroup = $toolbar->dropdownButton('save-group');

$saveGroup->configure(
				function (Toolbar $childBar) use ($checkedOut, $itemEditable, $canDo, $user)
				{
					// Can't save the record if it's checked out and editable
					if (!$checkedOut && $itemEditable)
					{
						$childBar->save('article.save');

// We can save this record, but check the create permission to see if we can return to make a new one.
						if ($canDo->get('core.create'))
						{
							$childBar->save2new('article.save2new');
						}
					}

// If checked out, we can still save2menu
					if ($user->authorise('core.create', 'com_menus.menu'))
					{
						$childBar->save('article.save2menu', 'JTOOLBAR_SAVE_TO_MENU');
					}

// If checked out, we can still save
					if ($canDo->get('core.create'))
					{
						$childBar->save2copy('article.save2copy');
					}
				}
			);

$toolbar->cancel('article.cancel', 'JTOOLBAR_CLOSE');

if (!$isNew)
			{
				if (ComponentHelper::isEnabled('com_contenthistory') && $this->state->params->get('save_history', 0) && $itemEditable)
				{
					$toolbar->versions('com_content.article', $this->item->id);
				}

$url = Route::link(
					'site',
					RouteHelper::getArticleRoute($this->item->id . ':' . $this->item->alias, $this->item->catid, $this->item->language),
					true
				);

$toolbar->preview($url, 'JGLOBAL_PREVIEW')
					->bodyHeight(80)
					->modalWidth(90);

if (Associations::isEnabled() && ComponentHelper::isEnabled('com_associations'))
				{
					$toolbar->standardButton('contract')
						->text('JTOOLBAR_ASSOCIATIONS')
						->task('article.editAssociations');
				}
			}
		}

$toolbar->divider();
		$toolbar->help('JHELP_CONTENT_ARTICLE_MANAGER_EDIT');
	}
}

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