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Name	Size	Permission
AdminModel.php	41.6 KB	-rw----r--
BaseDatabaseModel.php	8.14 KB	-rw----r--
BaseModel.php	3.16 KB	-rw----r--
DatabaseAwareTrait.php	1.03 KB	-rw----r--
DatabaseModelInterface.php	558 B	-rw----r--
FormBehaviorTrait.php	4.92 KB	-rw----r--
FormModel.php	6.04 KB	-rw----r--
FormModelInterface.php	730 B	-rw----r--
ItemModel.php	1.05 KB	-rw----r--
ItemModelInterface.php	563 B	-rw----r--
LegacyModelLoaderTrait.php	4.64 KB	-rw----r--
ListModel.php	18.22 KB	-rw----r--
ListModelInterface.php	547 B	-rw----r--
ModelInterface.php	531 B	-rw----r--
StateBehaviorTrait.php	2.13 KB	-rw----r--
StatefulModelInterface.php	1.03 KB	-rw----r--
WorkflowBehaviorTrait.php	9.28 KB	-rw----r--
WorkflowModelInterface.php	2.98 KB	-rw----r--

Code Editor : FormBehaviorTrait.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\CMS\MVC\Model;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormFactoryInterface;
use Joomla\CMS\Form\FormField;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\Utilities\ArrayHelper;

/**
 * Trait which supports form behavior.
 *
 * @since  4.0.0
 */
trait FormBehaviorTrait
{
	/**
	 * Array of form objects.
	 *
	 * @var    Form[]
	 * @since  4.0.0
	 */
	protected $_forms = array();

/**
	 * Method to get a form object.
	 *
	 * @param   string   $name     The name of the form.
	 * @param   string   $source   The form source. Can be XML string if file flag is set to false.
	 * @param   array    $options  Optional array of options for the form creation.
	 * @param   boolean  $clear    Optional argument to force load a new form.
	 * @param   string   $xpath    An optional xpath to search for the fields.
	 *
	 * @return  Form
	 *
	 * @see     Form
	 * @since   4.0.0
	 * @throws  \Exception
	 */
	protected function loadForm($name, $source = null, $options = array(), $clear = false, $xpath = null)
	{
		// Handle the optional arguments.
		$options['control'] = ArrayHelper::getValue((array) $options, 'control', false);

// Create a signature hash. But make sure, that loading the data does not create a new instance
		$sigoptions = $options;

if (isset($sigoptions['load_data']))
		{
			unset($sigoptions['load_data']);
		}

$hash = md5($source . serialize($sigoptions));

// Check if we can use a previously loaded form.
		if (!$clear && isset($this->_forms[$hash]))
		{
			return $this->_forms[$hash];
		}

// Get the form.
		Form::addFormPath(JPATH_COMPONENT . '/forms');
		Form::addFormPath(JPATH_COMPONENT . '/models/forms');
		Form::addFieldPath(JPATH_COMPONENT . '/models/fields');
		Form::addFormPath(JPATH_COMPONENT . '/model/form');
		Form::addFieldPath(JPATH_COMPONENT . '/model/field');

try
		{
			$formFactory = $this->getFormFactory();
		}
		catch (\UnexpectedValueException $e)
		{
			$formFactory = Factory::getContainer()->get(FormFactoryInterface::class);
		}

$form = $formFactory->createForm($name, $options);

// Load the data.
		if (substr($source, 0, 1) === '<')
		{
			if ($form->load($source, false, $xpath) == false)
			{
				throw new \RuntimeException('Form::loadForm could not load form');
			}
		}
		else
		{
			if ($form->loadFile($source, false, $xpath) == false)
			{
				throw new \RuntimeException('Form::loadForm could not load file');
			}
		}

if (isset($options['load_data']) && $options['load_data'])
		{
			// Get the data for the form.
			$data = $this->loadFormData();
		}
		else
		{
			$data = array();
		}

// Allow for additional modification of the form, and events to be triggered.
		// We pass the data because plugins may require it.
		$this->preprocessForm($form, $data);

// Load the data into the form after the plugins have operated.
		$form->bind($data);

// Store the form for later.
		$this->_forms[$hash] = $form;

return $form;
	}

/**
	 * Method to get the data that should be injected in the form.
	 *
	 * @return  array  The default data is an empty array.
	 *
	 * @since   4.0.0
	 */
	protected function loadFormData()
	{
		return [];
	}

/**
	 * Method to allow derived classes to preprocess the data.
	 *
	 * @param   string  $context  The context identifier.
	 * @param   mixed   &$data    The data to be processed. It gets altered directly.
	 * @param   string  $group    The name of the plugin group to import (defaults to "content").
	 *
	 * @return  void
	 *
	 * @since   4.0.0
	 */
	protected function preprocessData($context, &$data, $group = 'content')
	{
		// Get the dispatcher and load the users plugins.
		PluginHelper::importPlugin($group);

// Trigger the data preparation event.
		Factory::getApplication()->triggerEvent('onContentPrepareData', array($context, &$data));
	}

/**
	 * Method to allow derived classes to preprocess the form.
	 *
	 * @param   Form    $form   A Form object.
	 * @param   mixed   $data   The data expected for the form.
	 * @param   string  $group  The name of the plugin group to import (defaults to "content").
	 *
	 * @return  void
	 *
	 * @see     FormField
	 * @since   4.0.0
	 * @throws  \Exception if there is an error in the form event.
	 */
	protected function preprocessForm(Form $form, $data, $group = 'content')
	{
		// Import the appropriate plugin group.
		PluginHelper::importPlugin($group);

// Trigger the form preparation event.
		Factory::getApplication()->triggerEvent('onContentPrepareForm', array($form, $data));
	}

/**
	 * Get the FormFactoryInterface.
	 *
	 * @return  FormFactoryInterface
	 *
	 * @since   4.0.0
	 * @throws  \UnexpectedValueException May be thrown if the FormFactory has not been set.
	 */
	abstract public function getFormFactory(): FormFactoryInterface;
}

${this.title}

Code Editor : FormBehaviorTrait.php