$name; } return parent::__get($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 $value The value of the property. * * @return void * * @since 3.2 */ public function __set($name, $value) { switch ($name) { case 'plugin': case 'namespace': $this->$name = (string) $value; break; default: parent::__set($name, $value); } } /** * Method to attach a JForm object to the field. * * @param \SimpleXMLElement $element The SimpleXMLElement object representing the `` 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 2.5 */ public function setup(\SimpleXMLElement $element, $value, $group = null) { $result = parent::setup($element, $value, $group); $app = Factory::getApplication(); $default = $app->get('captcha'); if ($app->isClient('site')) { $default = $app->getParams()->get('captcha', $default); } $plugin = $this->element['plugin'] ? (string) $this->element['plugin'] : $default; $this->plugin = $plugin; if ($plugin === 0 || $plugin === '0' || $plugin === '' || $plugin === null) { $this->hidden = true; return false; } else { // Force field to be required. There's no reason to have a captcha if it is not required. // Obs: Don't put required="required" in the xml file, you just need to have validate="captcha" $this->required = true; if (strpos($this->class, 'required') === false) { $this->class .= ' required'; } } $this->namespace = $this->element['namespace'] ? (string) $this->element['namespace'] : $this->form->getName(); try { // Get an instance of the captcha class that we are using $this->_captcha = Captcha::getInstance($this->plugin, array('namespace' => $this->namespace)); /** * Give the captcha instance a possibility to react on the setup-process, * e.g. by altering the XML structure of the field, for example hiding the label * when using invisible captchas. */ $this->_captcha->setupField($this, $element); } catch (\RuntimeException $e) { $this->_captcha = null; \JFactory::getApplication()->enqueueMessage($e->getMessage(), 'error'); return false; } return $result; } /** * Method to get the field input. * * @return string The field input. * * @since 2.5 */ protected function getInput() { if ($this->hidden || $this->_captcha == null) { return ''; } try { return $this->_captcha->display($this->name, $this->id, $this->class); } catch (\RuntimeException $e) { \JFactory::getApplication()->enqueueMessage($e->getMessage(), 'error'); } return ''; } }