97 lines
2.8 KiB
PHP
97 lines
2.8 KiB
PHP
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<?php
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/**
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* @package Joomla.Libraries
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* @subpackage Form
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*
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* @copyright Copyright (C) 2005 - 2009 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('JPATH_BASE') or die;
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/**
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* Form Field class for the Joomla Framework.
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*
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* @package Joomla.Libraries
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* @subpackage Form
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* @since 2.5
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*/
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class JFormFieldCaptcha extends JFormField
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{
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/**
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* The field type.
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*
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* @var string
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*/
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protected $type = 'Captcha';
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/**
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* Method to attach a JForm object to the field.
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*
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* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
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* @param mixed $value The form field value to validate.
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* @param string $group The field name group control value. This acts as as an array container for the field.
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* For example if the field has name="foo" and the group value is set to "bar" then the
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* full field name would end up being "bar[foo]".
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*
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* @return boolean True on success.
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*
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* @since 2.5
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*/
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public function setup(SimpleXMLElement $element, $value, $group = null)
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{
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$result = parent::setup($element, $value, $group);
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$plugin = $this->element['plugin'] ?
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(string) $this->element['plugin'] :
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JFactory::getApplication()->getParams()->get('captcha', JFactory::getConfig()->get('captcha'));
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if ($plugin === 0 || $plugin === '0' || $plugin === '' || $plugin === null)
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{
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$this->hidden = true;
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}
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else
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{
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// Force field to be required. There's no reason to have a captcha if it is not required.
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// Obs: Don't put required="required" in the xml file, you just need to have validate="captcha"
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$this->required = true;
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$class = $this->element['class'];
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if (strpos($class, 'required') === false)
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{
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$this->element['class'] = $class . ' required';
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}
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}
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return $result;
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}
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/**
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* Method to get the field input.
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*
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* @return string The field input.
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*
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* @since 2.5
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*/
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protected function getInput()
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{
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$class = $this->element['class'] ? (string) $this->element['class'] : '';
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$plugin = $this->element['plugin'] ? (string) $this->element['plugin'] : JFactory::getApplication()->getParams()->get('captcha', JFactory::getConfig()->get('captcha'));
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$namespace = $this->element['namespace'] ? (string) $this->element['namespace'] : $this->form->getName();
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// Use 0 for none
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if ($plugin === 0 || $plugin === '0' || $plugin === '' || $plugin === null)
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{
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return '';
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}
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else
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{
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if (($captcha = JCaptcha::getInstance($plugin, array('namespace' => $namespace))) == null)
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{
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return '';
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}
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}
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return $captcha->display($this->name, $this->id, $class);
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}
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}
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