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<?php
/**
* @package Joomla.Administrator
* @subpackage com_categories
*
* @copyright (C) 2012 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Component\Categories\Administrator\Field;
\defined('_JEXEC') or die;
use Joomla\CMS\Factory;
use Joomla\CMS\Form\Field\ListField;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\Database\ParameterType;
use Joomla\Utilities\ArrayHelper;
/**
* Category Edit field..
*
* @since 1.6
*/
class CategoryeditField extends ListField
{
/**
* To allow creation of new categories.
*
* @var integer
* @since 3.6
*/
protected $allowAdd;
/**
* Optional prefix for new categories.
*
* @var string
* @since 3.9.11
*/
protected $customPrefix;
/**
* A flexible category list that respects access controls
*
* @var string
* @since 1.6
*/
public $type = 'CategoryEdit';
/**
* Name of the layout being used to render the field
*
* @var string
* @since 4.0.0
*/
protected $layout = 'joomla.form.field.categoryedit';
/**
* Method to attach a JForm object to the field.
*
* @param \SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string|null $group The field name group control value. This acts as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
*
* @return boolean True on success.
*
* @see FormField::setup()
* @since 3.2
*/
public function setup(\SimpleXMLElement $element, $value, $group = null)
{
$return = parent::setup($element, $value, $group);
if ($return)
{
$this->allowAdd = isset($this->element['allowAdd']) ? (boolean) $this->element['allowAdd'] : false;
$this->customPrefix = (string) $this->element['customPrefix'];
}
return $return;
}
/**
* Method to get certain otherwise inaccessible properties from the form field object.
*
* @param string $name The property name for which to get the value.
*
* @return mixed The property value or null.
*
* @since 3.6
*/
public function __get($name)
{
switch ($name)
{
case 'allowAdd':
return (bool) $this->$name;
case 'customPrefix':
return $this->$name;
}
return parent::__get($name);
}
/**
* Method to set certain otherwise inaccessible properties of the form field object.
*
* @param string $name The property name for which to set the value.
* @param mixed $value The value of the property.
*
* @return void
*
* @since 3.6
*/
public function __set($name, $value)
{
$value = (string) $value;
switch ($name)
{
case 'allowAdd':
$value = (string) $value;
$this->$name = ($value === 'true' || $value === $name || $value === '1');
break;
case 'customPrefix':
$this->$name = (string) $value;
break;
default:
parent::__set($name, $value);
}
}
/**
* Method to get a list of categories that respects access controls and can be used for
* either category assignment or parent category assignment in edit screens.
* Use the parent element to indicate that the field will be used for assigning parent categories.
*
* @return array The field option objects.
*
* @since 1.6
*/
protected function getOptions()
{
$options = array();
$published = $this->element['published'] ? explode(',', (string) $this->element['published']) : array(0, 1);
$name = (string) $this->element['name'];
// Let's get the id for the current item, either category or content item.
$jinput = Factory::getApplication()->input;
// Load the category options for a given extension.
// For categories the old category is the category id or 0 for new category.
if ($this->element['parent'] || $jinput->get('option') == 'com_categories')
{
$oldCat = $jinput->get('id', 0);
$oldParent = $this->form->getValue($name, 0);
$extension = $this->element['extension'] ? (string) $this->element['extension'] : (string) $jinput->get('extension', 'com_content');
}
else
// For items the old category is the category they are in when opened or 0 if new.
{
$oldCat = $this->form->getValue($name, 0);
$extension = $this->element['extension'] ? (string) $this->element['extension'] : (string) $jinput->get('option', 'com_content');
}
// Account for case that a submitted form has a multi-value category id field (e.g. a filtering form), just use the first category
$oldCat = is_array($oldCat)
? (int) reset($oldCat)
: (int) $oldCat;
$db = Factory::getDbo();
$user = Factory::getUser();
$query = $db->getQuery(true)
->select(
[
$db->quoteName('a.id', 'value'),
$db->quoteName('a.title', 'text'),
$db->quoteName('a.level'),
$db->quoteName('a.published'),
$db->quoteName('a.lft'),
$db->quoteName('a.language'),
]
)
->from($db->quoteName('#__categories', 'a'));
// Filter by the extension type
if ($this->element['parent'] == true || $jinput->get('option') == 'com_categories')
{
$query->where('(' . $db->quoteName('a.extension') . ' = :extension OR ' . $db->quoteName('a.parent_id') . ' = 0)')
->bind(':extension', $extension);
}
else
{
$query->where($db->quoteName('a.extension') . ' = :extension')
->bind(':extension', $extension);
}
// Filter language
if (!empty($this->element['language']))
{
if (strpos($this->element['language'], ',') !== false)
{
$language = explode(',', $this->element['language']);
}
else
{
$language = $this->element['language'];
}
$query->whereIn($db->quoteName('a.language'), $language, ParameterType::STRING);
}
// Filter on the published state
$state = ArrayHelper::toInteger($published);
$query->whereIn($db->quoteName('a.published'), $state);
// Filter categories on User Access Level
// Filter by access level on categories.
if (!$user->authorise('core.admin'))
{
$groups = $user->getAuthorisedViewLevels();
$query->whereIn($db->quoteName('a.access'), $groups);
}
$query->order($db->quoteName('a.lft') . ' ASC');
// If parent isn't explicitly stated but we are in com_categories assume we want parents
if ($oldCat != 0 && ($this->element['parent'] == true || $jinput->get('option') == 'com_categories'))
{
// Prevent parenting to children of this item.
// To rearrange parents and children move the children up, not the parents down.
$query->join(
'LEFT',
$db->quoteName('#__categories', 'p'),
$db->quoteName('p.id') . ' = :oldcat'
)
->bind(':oldcat', $oldCat, ParameterType::INTEGER)
->where('NOT(' . $db->quoteName('a.lft') . ' >= ' . $db->quoteName('p.lft')
. ' AND ' . $db->quoteName('a.rgt') . ' <= ' . $db->quoteName('p.rgt') . ')'
);
}
// Get the options.
$db->setQuery($query);
try
{
$options = $db->loadObjectList();
}
catch (\RuntimeException $e)
{
Factory::getApplication()->enqueueMessage($e->getMessage(), 'error');
}
// Pad the option text with spaces using depth level as a multiplier.
for ($i = 0, $n = count($options); $i < $n; $i++)
{
// Translate ROOT
if ($this->element['parent'] == true || $jinput->get('option') == 'com_categories')
{
if ($options[$i]->level == 0)
{
$options[$i]->text = Text::_('JGLOBAL_ROOT_PARENT');
}
}
if ($options[$i]->published == 1)
{
$options[$i]->text = str_repeat('- ', !$options[$i]->level ? 0 : $options[$i]->level - 1) . $options[$i]->text;
}
else
{
$options[$i]->text = str_repeat('- ', !$options[$i]->level ? 0 : $options[$i]->level - 1) . '[' . $options[$i]->text . ']';
}
// Displays language code if not set to All
if ($options[$i]->language !== '*')
{
$options[$i]->text = $options[$i]->text . ' (' . $options[$i]->language . ')';
}
}
// For new items we want a list of categories you are allowed to create in.
if ($oldCat == 0)
{
foreach ($options as $i => $option)
{
/*
* To take save or create in a category you need to have create rights for that category unless the item is already in that category.
* Unset the option if the user isn't authorised for it. In this field assets are always categories.
*/
if ($option->level != 0 && !$user->authorise('core.create', $extension . '.category.' . $option->value))
{
unset($options[$i]);
}
}
}
// If you have an existing category id things are more complex.
else
{
/*
* If you are only allowed to edit in this category but not edit.state, you should not get any
* option to change the category parent for a category or the category for a content item,
* but you should be able to save in that category.
*/
foreach ($options as $i => $option)
{
$assetKey = $extension . '.category.' . $oldCat;
if ($option->level != 0 && !isset($oldParent) && $option->value != $oldCat && !$user->authorise('core.edit.state', $assetKey))
{
unset($options[$i]);
continue;
}
if ($option->level != 0 && isset($oldParent) && $option->value != $oldParent && !$user->authorise('core.edit.state', $assetKey))
{
unset($options[$i]);
continue;
}
/*
* However, if you can edit.state you can also move this to another category for which you have
* create permission and you should also still be able to save in the current category.
*/
$assetKey = $extension . '.category.' . $option->value;
if ($option->level != 0 && !isset($oldParent) && $option->value != $oldCat && !$user->authorise('core.create', $assetKey))
{
unset($options[$i]);
continue;
}
if ($option->level != 0 && isset($oldParent) && $option->value != $oldParent && !$user->authorise('core.create', $assetKey))
{
unset($options[$i]);
}
}
}
if ($oldCat != 0 && ($this->element['parent'] == true || $jinput->get('option') == 'com_categories')
&& !isset($options[0])
&& isset($this->element['show_root']))
{
$rowQuery = $db->getQuery(true)
->select(
[
$db->quoteName('a.id', 'value'),
$db->quoteName('a.title', 'text'),
$db->quoteName('a.level'),
$db->quoteName('a.parent_id'),
]
)
->from($db->quoteName('#__categories', 'a'))
->where($db->quoteName('a.id') . ' = :aid')
->bind(':aid', $oldCat, ParameterType::INTEGER);
$db->setQuery($rowQuery);
$row = $db->loadObject();
if ($row->parent_id == '1')
{
$parent = new \stdClass;
$parent->text = Text::_('JGLOBAL_ROOT_PARENT');
array_unshift($options, $parent);
}
array_unshift($options, HTMLHelper::_('select.option', '0', Text::_('JGLOBAL_ROOT')));
}
// Merge any additional options in the XML definition.
return array_merge(parent::getOptions(), $options);
}
/**
* Method to get the field input markup for a generic list.
* Use the multiple attribute to enable multiselect.
*
* @return string The field input markup.
*
* @since 3.6
*/
protected function getInput()
{
$data = $this->getLayoutData();
$data['options'] = $this->getOptions();
$data['allowCustom'] = $this->allowAdd;
$data['customPrefix'] = $this->customPrefix;
$data['refreshPage'] = (boolean) $this->element['refresh-enabled'];
$data['refreshCatId'] = (string) $this->element['refresh-cat-id'];
$data['refreshSection'] = (string) $this->element['refresh-section'];
$renderer = $this->getRenderer($this->layout);
$renderer->setComponent('com_categories');
$renderer->setClient(1);
return $renderer->render($data);
}
}