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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Form\Field; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Component\ComponentHelper; use Joomla\CMS\Factory; use Joomla\CMS\Form\FormField; use Joomla\CMS\Form\FormHelper; use Joomla\CMS\Helper\ModuleHelper; use Joomla\CMS\Language\Associations; use Joomla\CMS\Language\Multilanguage; use Joomla\CMS\Language\Text; use Joomla\CMS\Plugin\PluginHelper; use Joomla\CMS\Uri\Uri; /** * Form Field class for the Joomla Platform. * Supports a generic list of options. * * @since 1.7.0 */ class ListField extends FormField { /** * The form field type. * * @var string * @since 1.7.0 */ protected $type = 'List'; /** * Name of the layout being used to render the field * * @var string * @since 4.0.0 */ protected $layout = 'joomla.form.field.list'; /** * 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 3.7.0 */ protected function getInput() { $data = $this->getLayoutData(); $data['options'] = (array) $this->getOptions(); return $this->getRenderer($this->layout)->render($data); } /** * Method to get the field options. * * @return array The field option objects. * * @since 3.7.0 */ protected function getOptions() { $fieldname = preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname); $options = array(); foreach ($this->element->xpath('option') as $option) { // Filter requirements if ($requires = explode(',', (string) $option['requires'])) { // Requires multilanguage if (\in_array('multilanguage', $requires) && !Multilanguage::isEnabled()) { continue; } // Requires associations if (\in_array('associations', $requires) && !Associations::isEnabled()) { continue; } // Requires adminlanguage if (\in_array('adminlanguage', $requires) && !ModuleHelper::isAdminMultilang()) { continue; } // Requires vote plugin if (\in_array('vote', $requires) && !PluginHelper::isEnabled('content', 'vote')) { continue; } // Requires record hits if (\in_array('hits', $requires) && !ComponentHelper::getParams('com_content')->get('record_hits', 1)) { continue; } } $value = (string) $option['value']; $text = trim((string) $option) != '' ? trim((string) $option) : $value; $disabled = (string) $option['disabled']; $disabled = ($disabled === 'true' || $disabled === 'disabled' || $disabled === '1'); $disabled = $disabled || ($this->readonly && $value != $this->value); $checked = (string) $option['checked']; $checked = ($checked === 'true' || $checked === 'checked' || $checked === '1'); $selected = (string) $option['selected']; $selected = ($selected === 'true' || $selected === 'selected' || $selected === '1'); $tmp = array( 'value' => $value, 'text' => Text::alt($text, $fieldname), 'disable' => $disabled, 'class' => (string) $option['class'], 'selected' => ($checked || $selected), 'checked' => ($checked || $selected), ); // Set some event handler attributes. But really, should be using unobtrusive js. $tmp['onclick'] = (string) $option['onclick']; $tmp['onchange'] = (string) $option['onchange']; if ((string) $option['showon']) { $encodedConditions = json_encode( FormHelper::parseShowOnConditions((string) $option['showon'], $this->formControl, $this->group) ); $tmp['optionattr'] = " data-showon='" . $encodedConditions . "'"; } // Add the option object to the result set. $options[] = (object) $tmp; } if ($this->element['useglobal']) { $tmp = new \stdClass; $tmp->value = ''; $tmp->text = Text::_('JGLOBAL_USE_GLOBAL'); $component = Factory::getApplication()->input->getCmd('option'); // Get correct component for menu items if ($component === 'com_menus') { $link = $this->form->getData()->get('link'); $uri = new Uri($link); $component = $uri->getVar('option', 'com_menus'); } $params = ComponentHelper::getParams($component); $value = $params->get($this->fieldname); // Try with global configuration if (\is_null($value)) { $value = Factory::getApplication()->get($this->fieldname); } // Try with menu configuration if (\is_null($value) && Factory::getApplication()->input->getCmd('option') === 'com_menus') { $value = ComponentHelper::getParams('com_menus')->get($this->fieldname); } if (!\is_null($value)) { $value = (string) $value; foreach ($options as $option) { if ($option->value === $value) { $value = $option->text; break; } } $tmp->text = Text::sprintf('JGLOBAL_USE_GLOBAL_VALUE', $value); } array_unshift($options, $tmp); } reset($options); return $options; } /** * Method to add an option to the list field. * * @param string $text Text/Language variable of the option. * @param array $attributes Array of attributes ('name' => 'value' format) * * @return ListField For chaining. * * @since 3.7.0 */ public function addOption($text, $attributes = array()) { if ($text && $this->element instanceof \SimpleXMLElement) { $child = $this->element->addChild('option', $text); foreach ($attributes as $name => $value) { $child->addAttribute($name, $value); } } return $this; } /** * Method to get certain otherwise inaccessible properties from the form field object. * * @param string $name The property name for which to get the value. * * @return mixed The property value or null. * * @since 3.7.0 */ public function __get($name) { if ($name === 'options') { return $this->getOptions(); } return parent::__get($name); } }