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Editing: HtmlView.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_languages
 *
 * @copyright   (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Languages\Administrator\View\Override;

\defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Helper\ContentHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\MVC\View\GenericDataException;
use Joomla\CMS\MVC\View\HtmlView as BaseHtmlView;
use Joomla\CMS\Toolbar\ToolbarHelper;

/**
 * View to edit a language override
 *
 * @since  2.5
 */
class HtmlView extends BaseHtmlView
{
	/**
	 * The form to use for the view.
	 *
	 * @var		object
	 * @since	2.5
	 */
	protected $form;

/**
	 * The item to edit.
	 *
	 * @var		object
	 * @since	2.5
	 */
	protected $item;

/**
	 * The model state.
	 *
	 * @var		object
	 * @since	2.5
	 */
	protected $state;

/**
	 * Displays the view.
	 *
	 * @param   string  $tpl  The name of the template file to parse
	 *
	 * @return  void
	 *
	 * @since   2.5
	 */
	public function display($tpl = null)
	{
		$this->form  = $this->get('Form');
		$this->item  = $this->get('Item');
		$this->state = $this->get('State');

$app = Factory::getApplication();

$languageClient = $app->getUserStateFromRequest('com_languages.overrides.language_client', 'language_client');

if ($languageClient == null)
		{
			$app->enqueueMessage(Text::_('COM_LANGUAGES_OVERRIDE_FIRST_SELECT_MESSAGE'), 'warning');

$app->redirect('index.php?option=com_languages&view=overrides');
		}

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

// Check whether the cache has to be refreshed.
		$cached_time = Factory::getApplication()->getUserState(
			'com_languages.overrides.cachedtime.' . $this->state->get('filter.client') . '.' . $this->state->get('filter.language'),
			0
		);

if (time() - $cached_time > 60 * 5)
		{
			$this->state->set('cache_expired', true);
		}

// Add strings for translations in \Javascript.
		Text::script('COM_LANGUAGES_VIEW_OVERRIDE_NO_RESULTS');
		Text::script('COM_LANGUAGES_VIEW_OVERRIDE_REQUEST_ERROR');

$this->addToolbar();
		parent::display($tpl);
	}

/**
	 * Adds the page title and toolbar.
	 *
	 * @return void
	 *
	 * @since	2.5
	 */
	protected function addToolbar()
	{
		Factory::getApplication()->input->set('hidemainmenu', true);

$canDo = ContentHelper::getActions('com_languages');

ToolbarHelper::title(Text::_('COM_LANGUAGES_VIEW_OVERRIDE_EDIT_TITLE'), 'comments langmanager');

$toolbarButtons = [];

if ($canDo->get('core.edit'))
		{
			ToolbarHelper::apply('override.apply');

$toolbarButtons[] = ['save', 'override.save'];
		}

// This component does not support Save as Copy.
		if ($canDo->get('core.edit') && $canDo->get('core.create'))
		{
			$toolbarButtons[] = ['save2new', 'override.save2new'];
		}

ToolbarHelper::saveGroup(
			$toolbarButtons,
			'btn-success'
		);

if (empty($this->item->key))
		{
			ToolbarHelper::cancel('override.cancel');
		}
		else
		{
			ToolbarHelper::cancel('override.cancel', 'JTOOLBAR_CLOSE');
		}

ToolbarHelper::divider();
		ToolbarHelper::help('JHELP_EXTENSIONS_LANGUAGE_MANAGER_OVERRIDES_EDIT');
	}
}

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