repeatable.php

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<?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.
 * Display a JSON loaded window with a repeatable set of sub fields
 *
 * @package     Joomla.Platform
 * @subpackage  Form
 * @since       3.2
 */
class JFormFieldRepeatable extends JFormField
{
        /**
         * The form field type.
         *
         * @var    string
         * @since  3.2
         */
        protected $type = 'Repeatable';

        /**
         * Method to get the field input markup.
         *
         * @return  string  The field input markup.
         *
         * @since   3.2
         */
        protected function getInput()
        {
                // Initialize variables.
                $subForm = new JForm($this->name, array('control' => 'jform'));
                $xml = $this->element->children()->asXML();
                $subForm->load($xml);

                // Needed for repeating modals in gmaps
                $subForm->repeatCounter = (int) @$this->form->repeatCounter;
                $children = $this->element->children();

                $subForm->setFields($children);

                $modalid = $this->id . '_modal';

                $str = array();
                $str[] = '<div id="' . $modalid . '" style="display:none">';
                $str[] = '<table id="' . $modalid . '_table" class="adminlist ' . $this->element['class'] . ' table table-striped">';
                $str[] = '<thead><tr>';
                $names = array();
                $attributes = $this->element->attributes();

                foreach ($subForm->getFieldset($attributes->name . '_modal') as $field)
                {
                        $names[] = (string) $field->element->attributes()->name;
                        $str[] = '<th>' . strip_tags($field->getLabel($field->name));
                        $str[] = '<br /><small style="font-weight:normal">' . JText::_($field->description) . '</small>';
                        $str[] = '</th>';
                }

                $str[] = '<th><a href="#" class="add btn button btn-success"><span class="icon-plus"></span> </a></th>';
                $str[] = '</tr></thead>';
                $str[] = '<tbody><tr>';

                foreach ($subForm->getFieldset($attributes->name . '_modal') as $field)
                {
                        $str[] = '<td>' . $field->getInput() . '</td>';
                }

                $str[] = '<td>';
                $str[] = '<div class="btn-group"><a class="add btn button btn-success"><span class="icon-plus"></span> </a>';
                $str[] = '<a class="remove btn button btn-danger"><span class="icon-minus"></span> </a></div>';
                $str[] = '</td>';
                $str[] = '</tr></tbody>';
                $str[] = '</table>';
                $str[] = '</div>';

                $names = json_encode($names);

                JHtml::_('script', 'system/repeatable.js', true, true);

                // If a maximum value isn't set then we'll make the maximum amount of cells a large number
                $maximum = $this->element['maximum'] ? (int) $this->element['maximum'] : '999';

                $script = "(function ($){
                        $(document).ready(function (){
                                var repeatable = new $.JRepeatable('$modalid', $names, '$this->id', '$maximum');
                        });
                })(jQuery);";

                $document = JFactory::getDocument();
                $document->addScriptDeclaration($script);

                $select = (string) $this->element['select'] ? JText::_((string) $this->element['select']) : JText::_('JLIB_FORM_BUTTON_SELECT');
                $icon = $this->element['icon'] ? '<i class="icon-' . $this->element['icon'] . '"></i> ' : '';
                $str[] = '<button class="btn" id="' . $modalid . '_button" data-modal="' . $modalid . '">' . $icon . $select . '</button>';

                if (is_array($this->value))
                {
                        $this->value = array_shift($this->value);
                }

                $value = htmlspecialchars($this->value, ENT_COMPAT, 'UTF-8');
                $str[] = '<input type="hidden" name="' . $this->name . '" id="' . $this->id . '" value="' . $value . '" />';

                JText::script('JAPPLY');
                JText::script('JCANCEL');
                return implode("\n", $str);
        }
}