radio.php

Aller à la documentation de ce fichier.

<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Form
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Form Field class for the Joomla Platform.
 * Provides radio button inputs
 *
 * @package     Joomla.Platform
 * @subpackage  Form
 * @link        http://www.w3.org/TR/html-markup/command.radio.html#command.radio
 * @since       11.1
 */
class JFormFieldRadio extends JFormField
{
        /**
         * The form field type.
         *
         * @var    string
         * @since  11.1
         */
        protected $type = 'Radio';

        /**
         * Method to get the radio button field input markup.
         *
         * @return  string  The field input markup.
         *
         * @since   11.1
         */
        protected function getInput()
        {
                $html = array();

                // Initialize some field attributes.
                $class     = !empty($this->class) ? ' class="radio ' . $this->class . '"' : ' class="radio"';
                $required  = $this->required ? ' required aria-required="true"' : '';
                $autofocus = $this->autofocus ? ' autofocus' : '';
                $disabled  = $this->disabled ? ' disabled' : '';
                $readonly  = $this->readonly;

                // Start the radio field output.
                $html[] = '<fieldset id="' . $this->id . '"' . $class . $required . $autofocus . $disabled . ' >';

                // Get the field options.
                $options = $this->getOptions();

                // Build the radio field output.
                foreach ($options as $i => $option)
                {
                        // Initialize some option attributes.
                        $checked = ((string) $option->value == (string) $this->value) ? ' checked="checked"' : '';
                        $class = !empty($option->class) ? ' class="' . $option->class . '"' : '';

                        $disabled = !empty($option->disable) || ($readonly && !$checked);

                        $disabled = $disabled ? ' disabled' : '';

                        // Initialize some JavaScript option attributes.
                        $onclick = !empty($option->onclick) ? ' onclick="' . $option->onclick . '"' : '';
                        $onchange = !empty($option->onchange) ? ' onchange="' . $option->onchange . '"' : '';

                        $html[] = '<input type="radio" id="' . $this->id . $i . '" name="' . $this->name . '" value="'
                                . htmlspecialchars($option->value, ENT_COMPAT, 'UTF-8') . '"' . $checked . $class . $required . $onclick
                                . $onchange . $disabled . ' />';

                        $html[] = '<label for="' . $this->id . $i . '"' . $class . ' >'
                                . JText::alt($option->text, preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname)) . '</label>';

                        $required = '';
                }

                // End the radio field output.
                $html[] = '</fieldset>';

                return implode($html);
        }

        /**
         * Method to get the field options for radio buttons.
         *
         * @return  array  The field option objects.
         *
         * @since   11.1
         */
        protected function getOptions()
        {
                $options = array();

                foreach ($this->element->children() as $option)
                {
                        // Only add <option /> elements.
                        if ($option->getName() != 'option')
                        {
                                continue;
                        }

                        $disabled = (string) $option['disabled'];
                        $disabled = ($disabled == 'true' || $disabled == 'disabled' || $disabled == '1');

                        // Create a new option object based on the <option /> element.
                        $tmp = JHtml::_(
                                'select.option', (string) $option['value'], trim((string) $option), 'value', 'text',
                                $disabled
                        );

                        // Set some option attributes.
                        $tmp->class = (string) $option['class'];

                        // Set some JavaScript option attributes.
                        $tmp->onclick = (string) $option['onclick'];
                        $tmp->onchange = (string) $option['onchange'];

                        // Add the option object to the result set.
                        $options[] = $tmp;
                }

                reset($options);

                return $options;
        }
}