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<?php
/**
* @package JCE
* @subpackage Admin
*
* @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
* @copyright Copyright (c) 2009-2024 Ryan Demmer. All rights reserved
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('JPATH_PLATFORM') or die;
use Joomla\CMS\Form\Form;
use Joomla\CMS\Form\FormField;
use Joomla\CMS\Language\Text;
/**
* Form Field class for the JCE.
* Display a field with a repeatable set of defined sub fields
*
* @since 2.8.13
*/
class JFormFieldContainer extends FormField
{
/**
* The form field type.
*
* @var string
* @since 2.8.13
*/
protected $type = 'Container';
/**
* Method to get the field label markup for a spacer.
* Use the label text or name from the XML element as the spacer or
* Use a hr="true" to automatically generate plain hr markup.
*
* @return string The field label markup
*
* @since 11.1
*/
protected function getLabel()
{
return '';
}
// Function to check if two arrays are equal
private function arraysEqual($arr1, $arr2)
{
if (count($arr1) !== count($arr2)) {
return false;
}
for ($i = 0; $i < count($arr1); $i++) {
if ($arr1[$i] !== $arr2[$i]) {
return false;
}
}
return true;
}
// Function to check if an array exists within another array of arrays
private function arrayExistsInContainer($container, $array)
{
foreach ($container as $containedArray) {
if ($this->arraysEqual($containedArray, $array)) {
return true;
}
}
return false;
}
/**
* Method to get the field input markup.
*
* @return string The field input markup.
*
* @since 2.8.13
*/
protected function getInput()
{
$group = $this->group;
// expand group with container name
if ($this->element['name']) {
$group .= '.' . (string) $this->element['name'];
}
$children = $this->element->children();
// extract group data
$data = $this->form->getData()->get($group);
// to array
$data = (array) $data;
$count = 1;
$repeatable = (string) $this->element['repeatable'];
if ($repeatable) {
// find number of potential repeatable fields
foreach ($children as $child) {
$name = (string) $child->attributes()['name'];
if (isset($data[$name]) && is_array($data[$name])) {
$count = max(count($data[$name]), $count);
}
}
}
// And finaly build a main container
$str = array();
if ($this->class == 'inset') {
$this->class .= ' well well-light p-4 card';
}
$str[] = '<div class="form-field-container ' . $this->class . '">';
$str[] = '<fieldset class="form-field-container-group">';
if ($this->element['label']) {
$text = $this->element['label'];
$text = $this->translateLabel ? Text::_($text) : $text;
$str[] = '<legend>' . $text . '</legend>';
}
if ((string) $this->element['description']) {
$text = $this->element['description'];
$text = $this->translateLabel ? Text::_($text) : $text;
$descriptionClass = isset($this->element['descriptionclass']) ? 'description ' . $this->element['descriptionclass'] : 'description';
$str[] = '<small class="' . $descriptionClass . '">' . $text . '</small>';
// reset description
$this->description = '';
}
// repeatable
if ($repeatable) {
// collapse
$str[] = '<div class="form-field-repeatable">';
}
$containerValues = array();
for ($i = 0; $i < $count; $i++) {
$item = array();
if ($repeatable) {
$item[] = '<div class="form-field-repeatable-item well p-3 card my-2">';
$item[] = ' <div class="form-field-repeatable-item-group">';
}
$subForm = new Form('', array('control' => $this->formControl . '[' . str_replace('.', '][', $group) . ']'));
$subForm::addFieldPath(__DIR__);
$subForm->load($children);
$subForm->setFields($children);
$subForm->bind($data);
$fields = $subForm->getFieldset();
$defaultValues = array();
$fieldValues = array();
foreach ($fields as $field) {
$tmpField = clone $field;
$name = (string) $tmpField->element['name'];
$value = (string) $tmpField->element['default'];
$defaultValues[] = $value;
if (empty($name)) {
continue;
}
if (is_array($data) && isset($data[$name])) {
$value = $data[$name];
}
$type = (string) $tmpField->element['type'];
// convert checkboxes value to string
if ($type == 'checkboxes') {
if (is_array($value)) {
$value = implode(',', $value);
}
}
// extract value if this is a repeatable container
if (is_array($value) && $repeatable) {
$value = isset($value[$i]) ? $value[$i] : '';
}
// escape values
if (is_array($value)) {
// handle nested arrays
array_walk_recursive($value, function (&$item) {
if (is_string($item)) {
$item = htmlspecialchars($item, ENT_COMPAT, 'UTF-8');
}
});
} else {
$value = htmlspecialchars($value, ENT_COMPAT, 'UTF-8');
}
// store value for repeatable check
$fieldValues[] = $value;
$tmpField->value = $value;
$tmpField->setup($tmpField->element, $tmpField->value);
if ($repeatable) {
// reset id
$tmpField->id .= '_' . $i;
if (strpos($tmpField->name, '[]') === false) {
$tmpField->name .= '[]';
}
}
$item[] = $tmpField->renderField(array('description' => $tmpField->description));
}
if ($repeatable) {
$item[] = '</div>';
$item[] = '<div class="form-field-repeatable-item-control">';
$item[] = '<button class="btn btn-link form-field-repeatable-add" aria-label="' . Text::_('JGLOBAL_FIELD_ADD') . '"><i class="icon icon-plus"></i></button>';
$item[] = '<button class="btn btn-link form-field-repeatable-remove" aria-label="' . Text::_('JGLOBAL_FIELD_REMOVE') . '"><i class="icon icon-trash"></i></button>';
$item[] = '</div>';
$item[] = '</div>';
}
// remove empty fields with default values
if ($count > 1 && $this->arraysEqual($defaultValues, $fieldValues)) {
continue;
}
// only add if unique
if ($this->arrayExistsInContainer($containerValues, $fieldValues)) {
continue;
}
$str[] = implode('', $item);
$containerValues[] = $fieldValues;
}
// repeatable
if ($repeatable) {
$str[] = '</div>';
}
$str[] = '</fieldset>';
$str[] = '</div>';
return implode("", $str);
}
}