Same name in other branches

1. 9 core/lib/Drupal/Core/Render/Element/Table.php \Drupal\Core\Render\Element\Table::processTable()
2. 8.9.x core/lib/Drupal/Core/Render/Element/Table.php \Drupal\Core\Render\Element\Table::processTable()
3. 10 core/lib/Drupal/Core/Render/Element/Table.php \Drupal\Core\Render\Element\Table::processTable()

#process callback for #type 'table' to add tableselect support.

Parameters

array $element: An associative array containing the properties and children of the table element.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

array $complete_form: The complete form structure.

Return value

array The processed element.

File

core/lib/Drupal/Core/Render/Element/Table.php, line 186

Class

Table

Provides a render element for a table.

Namespace

Drupal\Core\Render\Element

Code

public static function processTable(&$element, FormStateInterface $form_state, &$complete_form) {
    if ($element['#tableselect']) {
        if ($element['#multiple']) {
            $value = is_array($element['#value']) ? $element['#value'] : [];
        }
        else {
            $element['#js_select'] = FALSE;
        }
        // Add a "Select all" checkbox column to the header.
        // @todo D8: Rename into #select_all?
        if ($element['#js_select']) {
            $element['#attached']['library'][] = 'core/drupal.tableselect';
            array_unshift($element['#header'], [
                'class' => [
                    'select-all',
                ],
            ]);
        }
        else {
            array_unshift($element['#header'], '');
        }
        if (!isset($element['#default_value']) || $element['#default_value'] === 0) {
            $element['#default_value'] = [];
        }
        // Create a checkbox or radio for each row in a way that the value of the
        // tableselect element behaves as if it had been of #type checkboxes or
        // radios.
        foreach (Element::children($element) as $key) {
            $row =& $element[$key];
            // Prepare the element #parents for the tableselect form element.
            // Their values have to be located in child keys (#tree is ignored),
            // since Table::validateTable() has to be able to validate whether input
            // (for the parent #type 'table' element) has been submitted.
            $element_parents = array_merge($element['#parents'], [
                $key,
            ]);
            // Since the #parents of the tableselect form element will equal the
            // #parents of the row element, prevent FormBuilder from auto-generating
            // an #id for the row element, since
            // \Drupal\Component\Utility\Html::getUniqueId() would automatically
            // append a suffix to the tableselect form element's #id otherwise.
            $row['#id'] = HtmlUtility::getUniqueId('edit-' . implode('-', $element_parents) . '-row');
            // Do not overwrite manually created children.
            if (!isset($row['select'])) {
                // Determine option label; either an assumed 'title' column, or the
                // first available column containing a #title or #markup.
                // @todo Consider to add an optional $element[$key]['#title_key']
                //   defaulting to 'title'?
                unset($label_element);
                $title = NULL;
                if (isset($row['title']['#type']) && $row['title']['#type'] == 'label') {
                    $label_element =& $row['title'];
                }
                else {
                    if (!empty($row['title']['#title'])) {
                        $title = $row['title']['#title'];
                    }
                    else {
                        foreach (Element::children($row) as $column) {
                            if (isset($row[$column]['#title'])) {
                                $title = $row[$column]['#title'];
                                break;
                            }
                            if (isset($row[$column]['#markup'])) {
                                $title = $row[$column]['#markup'];
                                break;
                            }
                        }
                    }
                    if (isset($title) && $title !== '') {
                        $title = t('Update @title', [
                            '@title' => $title,
                        ]);
                    }
                }
                // Prepend the select column to existing columns.
                $row = [
                    'select' => [],
                ] + $row;
                $row['select'] += [
                    '#type' => $element['#multiple'] ? 'checkbox' : 'radio',
                    '#id' => HtmlUtility::getUniqueId('edit-' . implode('-', $element_parents)),
                    // @todo If rows happen to use numeric indexes instead of string keys,
                    //   this results in a first row with $key === 0, which is always FALSE.
'#return_value' => $key,
                    '#attributes' => $element['#attributes'],
                    '#wrapper_attributes' => [
                        'class' => [
                            'table-select',
                        ],
                    ],
                ];
                if ($element['#multiple']) {
                    $row['select']['#default_value'] = isset($value[$key]) ? $key : NULL;
                    $row['select']['#parents'] = $element_parents;
                }
                else {
                    $row['select']['#default_value'] = $element['#default_value'] == $key ? $key : NULL;
                    $row['select']['#parents'] = $element['#parents'];
                }
                if (isset($label_element)) {
                    $label_element['#id'] = $row['select']['#id'] . '--label';
                    $label_element['#for'] = $row['select']['#id'];
                    $row['select']['#attributes']['aria-labelledby'] = $label_element['#id'];
                    $row['select']['#title_display'] = 'none';
                }
                else {
                    $row['select']['#title'] = $title;
                    $row['select']['#title_display'] = 'invisible';
                }
            }
        }
    }
    return $element;
}

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