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ComponentsFieldgroupField.php
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ComponentsFieldsField.php
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FieldLayoutField.php
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FieldcontextsField.php
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FieldgroupsField.php
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SectionField.php
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SubfieldsField.php
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TypeField.php
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Editing: SubfieldsField.php
<?php /** * @package Joomla.Administrator * @subpackage com_fields * * @copyright (C) 2019 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\Component\Fields\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\Component\Fields\Administrator\Helper\FieldsHelper; /** * Fields Subfields. Represents a list field with the options being all possible * custom field types, except the 'subform' custom field type. * * @since 4.0.0 */ class SubfieldsField extends ListField { /** * The name of this Field type. * * @var string * * @since 4.0.0 */ public $type = 'Subfields'; /** * Configuration option for this field type to could filter the displayed custom field instances * by a given context. Default value empty string. If given empty string, displays all custom fields. * * @var string * * @since 4.0.0 */ protected $context = ''; /** * Array to do a fast in-memory caching of all custom field items. Used to not bother the * FieldsHelper with a call every time this field is being rendered. * * @var array * * @since 4.0.0 */ protected static $customFieldsCache = array(); /** * Method to get the field options. * * @return array The field option objects. * * @since 4.0.0 */ protected function getOptions() { $options = parent::getOptions(); // Check whether we have a result for this context yet if (!isset(static::$customFieldsCache[$this->context])) { static::$customFieldsCache[$this->context] = FieldsHelper::getFields($this->context); } // Iterate over the custom fields for this context foreach (static::$customFieldsCache[$this->context] as $customField) { // Skip our own subform type. We won't have subform in subform. if ($customField->type == 'subform') { continue; } $options[] = HTMLHelper::_( 'select.option', $customField->id, ($customField->title . ' (' . $customField->type . ')') ); } // Sorting the fields based on the text which is displayed usort( $options, function ($a, $b) { return strcmp($a->text, $b->text); } ); if (count($options) == 0) { Factory::getApplication()->enqueueMessage(Text::_('COM_FIELDS_NO_FIELDS_TO_CREATE_SUBFORM_FIELD_WARNING'), 'warning'); } return $options; } /** * 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 $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. * * @since 4.0.0 */ public function setup(\SimpleXMLElement $element, $value, $group = null) { $return = parent::setup($element, $value, $group); if ($return) { $this->context = (string) $this->element['context']; } return $return; } }
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