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编辑当前文件:/home2/sdektunc/chikindzonotyucatan.gob.mx/libraries/src/MVC/View/FormView.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\MVC\View;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Object\CMSObject;
use Joomla\CMS\Toolbar\ToolbarHelper;

/**
 * Base class for a Joomla Form View
 *
 * Class holding methods for displaying presentation data.
 *
 * @since  2.5.5
 */
class FormView extends HtmlView
{
	/**
	 * 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  CMSObject
	 */
	protected $canDo;

/**
	 * The toolbar title
	 *
	 * @var string
	 */
	protected $toolbarTitle;

/**
	 * The toolbar icon
	 *
	 * @var string
	 */
	protected $toolbarIcon;

/**
	 * The preview link
	 *
	 * @var string
	 */
	protected $previewLink;

/**
	 * The help link
	 *
	 * @var string
	 */
	protected $helpLink;

/**
	 * Constructor
	 *
	 * @param   array  $config  An optional associative array of configuration settings.
	 */
	public function __construct(array $config)
	{
		parent::__construct($config);

if (isset($config['help_link']))
		{
			$this->helpLink = $config['help_link'];
		}

if (isset($config['toolbar_icon']))
		{
			$this->toolbarIcon = $config['toolbar_icon'];
		}
		else
		{
			$this->toolbarIcon = 'pencil-2 ' . $this->getName() . '-add';
		}

// Set default value for $canDo to avoid fatal error if child class doesn't set value for this property
		$this->canDo = new CMSObject;
	}

/**
	 * Execute and display a template script.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  void
	 *
	 * @throws  \Exception
	 */
	public function display($tpl = null)
	{
		// Prepare view data
		$this->initializeView();

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

// Build toolbar
		$this->addToolbar();

parent::display($tpl);
	}

/**
	 * Prepare view data
	 *
	 * @return  void
	 */
	protected function initializeView()
	{
		$this->form  = $this->get('Form');
		$this->item  = $this->get('Item');
		$this->state = $this->get('State');

// Set default toolbar title
		if ($this->item->id)
		{
			$this->toolbarTitle = Text::_(strtoupper($this->option . '_MANAGER_' . $this->getName() . '_EDIT'));
		}
		else
		{
			$this->toolbarTitle = Text::_(strtoupper($this->option . '_MANAGER_' . $this->getName() . '_NEW'));
		}
	}

/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		Factory::getApplication()->input->set('hidemainmenu', true);

$user       = Factory::getUser();
		$userId     = $user->id;
		$isNew      = ($this->item->id == 0);
		$viewName   = $this->getName();
		$checkedOut = $this->getModel()->isCheckedOut($this->item);
		$canDo      = $this->canDo;

ToolbarHelper::title(
			$this->toolbarTitle,
			$this->toolbarIcon
		);

// For new records, check the create permission.
		if ($isNew && $canDo->get('core.create'))
		{
			ToolbarHelper::saveGroup(
				[
					['apply', $viewName . '.apply'],
					['save', $viewName . '.save'],
					['save2new', $viewName . '.save2new']
				],
				'btn-success'
			);

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

$toolbarButtons = [];

// Can't save the record if it's checked out and editable
			if (!$checkedOut && $itemEditable)
			{
				$toolbarButtons[] = ['apply', $viewName . '.apply'];
				$toolbarButtons[] = ['save', $viewName . '.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'))
				{
					$toolbarButtons[] = ['save2new', $viewName . '.save2new'];
				}
			}

// If checked out, we can still save
			if ($canDo->get('core.create'))
			{
				$toolbarButtons[] = ['save2copy', $viewName . '.save2copy'];
			}

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

if (ComponentHelper::isEnabled('com_contenthistory') && $this->state->params->get('save_history', 0) && $itemEditable)
			{
				ToolbarHelper::versions($this->option . '.' . $viewName, $this->item->id);
			}

if (!$isNew && $this->previewLink)
			{
				ToolbarHelper::preview($this->previewLink, Text::_('JGLOBAL_PREVIEW'), 'eye', 80, 90);
			}

ToolbarHelper::cancel($viewName . '.cancel', 'JTOOLBAR_CLOSE');
		}

ToolbarHelper::divider();

if ($this->helpLink)
		{
			ToolbarHelper::help($this->helpLink);
		}
	}
}