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administrator/components/com_jce/models/fields/repeatable.php

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+<?php
+/**
+ * @package     JCE
+ * @subpackage  Component
+ *
+ * @copyright   Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright   Copyright (C) 2006 - 2020 Ryan Demmer. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE
+ */
+
+defined('JPATH_PLATFORM') or die;
+
+/**
+ * Form Field class for the JCE.
+ * Display a field with a repeatable set of defined sub fields
+ *
+ * @since       2.7
+ */
+class JFormFieldRepeatable extends JFormField
+{
+    /**
+     * The form field type.
+     *
+     * @var    string
+     * @since  2.7
+     */
+    protected $type = 'Repeatable';
+
+    /**
+     * Method to get the field input markup.
+     *
+     * @return  string  The field input markup.
+     *
+     * @since   2.7
+     */
+    protected function getInput()
+    {
+        $subForm = new JForm($this->name, array('control' => $this->formControl));
+        $children = $this->element->children();
+        $subForm->load($children);
+        $subForm->setFields($children);
+
+        // And finaly build a main container
+        $str = array();
+
+        $values = $this->value;
+
+        // explode to array if string
+        if (is_string($values)) {
+            $values = explode(',', $values);
+        }
+
+        $fields = $subForm->getFieldset();
+
+        $str[] = '<div class="form-field-repeatable">';
+
+        foreach ($values as $value) {
+            $class  = '';
+
+            // highlight grouped fields
+            if (count($fields) > 1) {
+                $class = ' well well-small p-4 bg-light';
+            }
+            
+            $str[] = '<div class="form-field-repeatable-item">';
+            $str[] = '  <div class="form-field-repeatable-item-group' . $class . '">';
+
+            $n = 0;
+
+            foreach ($fields as $field) {
+                $field->element['multiple'] = true;
+
+                // substitute for repeatable element
+                $field->element['name'] = (string) $this->element['name'];
+
+                if (is_array($value)) {
+                    $value = isset($value[$n]) ? $value[$n] : $value[0];
+                }
+ 
+                // escape value
+                $field->value = htmlspecialchars($value, ENT_COMPAT, 'UTF-8');
+
+                $field->setup($field->element, $field->value, $this->group);
+
+                // reset id
+                $field->id .= '_' . $n;
+
+                if (strpos($field->name, '[]') === false) {
+                    $field->name .= '[]';
+                }
+
+                $str[] = $field->renderField(array('description' => $field->description));
+                
+                $n++;
+            }
+
+            $str[] = '  </div>';
+
+            $str[] = '  <div class="form-field-repeatable-item-control">';
+            $str[] = '      <button class="btn btn-link form-field-repeatable-add" aria-label="' . JText::_('JGLOBAL_FIELD_ADD') . '"><i class="icon icon-plus pull-right float-right"></i></button>';
+            $str[] = '      <button class="btn btn-link form-field-repeatable-remove" aria-label="' . JText::_('JGLOBAL_FIELD_REMOVE') . '"><i class="icon icon-trash pull-right float-right"></i></button>';
+            $str[] = '  </div>';
+
+            $str[] = '</div>';
+        }
+
+        $str[] = '</div>';
+
+        return implode("", $str);
+    }
+}