Same name in other branches

1. 8.9.x core/modules/field_ui/src/Element/FieldUiTable.php \Drupal\field_ui\Element\FieldUiTable::preRenderRegionRows()
2. 10 core/modules/field_ui/src/Element/FieldUiTable.php \Drupal\field_ui\Element\FieldUiTable::preRenderRegionRows()
3. 11.x core/modules/field_ui/src/Element/FieldUiTable.php \Drupal\field_ui\Element\FieldUiTable::preRenderRegionRows()

Performs pre-render to move #regions to rows.

Parameters

array $elements: A structured array containing two sub-levels of elements. Properties used:

• #tabledrag: The value is a list of $options arrays that are passed to drupal_attach_tabledrag(). The HTML ID of the table is added to each $options array.

Return value

array The $element with prepared variables ready for field-ui-table.html.twig.

File

core/modules/field_ui/src/Element/FieldUiTable.php, line 142

Class

FieldUiTable

Provides a field_ui table element.

Namespace

Drupal\field_ui\Element

Code

public static function preRenderRegionRows($elements) {
    // Determine the colspan to use for region rows, by checking the number of
    // columns in the headers.
    $columns_count = 0;
    foreach ($elements['#header'] as $header) {
        $columns_count += is_array($header) && isset($header['colspan']) ? $header['colspan'] : 1;
    }
    $rows = [];
    foreach (Element::children($elements) as $key) {
        $rows[$key] = $elements[$key];
        unset($elements[$key]);
    }
    // Render rows, region by region.
    foreach ($elements['#regions'] as $region_name => $region) {
        $region_name_class = Html::getClass($region_name);
        // Add region rows.
        if (isset($region['title']) && empty($region['invisible'])) {
            $elements['#rows'][] = [
                'class' => [
                    'region-title',
                    'region-' . $region_name_class . '-title',
                ],
                'no_striping' => TRUE,
                'data' => [
                    [
                        'data' => $region['title'],
                        'colspan' => $columns_count,
                    ],
                ],
            ];
        }
        if (isset($region['message'])) {
            $class = empty($region['rows_order']) ? 'region-empty' : 'region-populated';
            $elements['#rows'][] = [
                'class' => [
                    'region-message',
                    'region-' . $region_name_class . '-message',
                    $class,
                ],
                'no_striping' => TRUE,
                'data' => [
                    [
                        'data' => $region['message'],
                        'colspan' => $columns_count,
                    ],
                ],
            ];
        }
        // Add form rows, in the order determined at pre-render time.
        foreach ($region['rows_order'] as $name) {
            $element = $rows[$name];
            $row = [
                'data' => [],
            ];
            if (isset($element['#attributes'])) {
                $row += $element['#attributes'];
            }
            // Render children as table cells.
            foreach (Element::children($element) as $cell_key) {
                $child = $element[$cell_key];
                // Do not render a cell for children of #type 'value'.
                if (!(isset($child['#type']) && $child['#type'] == 'value')) {
                    $cell = [
                        'data' => $child,
                    ];
                    if (isset($child['#cell_attributes'])) {
                        $cell += $child['#cell_attributes'];
                    }
                    $row['data'][] = $cell;
                }
            }
            $elements['#rows'][] = $row;
        }
    }
    return $elements;
}

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