function field_ui_table_pre_render

Pre-render callback for field_ui_table elements.

File

modules/field_ui/field_ui.admin.inc, line 128

Code

function field_ui_table_pre_render($elements) {
    $js_settings = array();
    // For each region, build the tree structure from the weight and parenting
    // data contained in the flat form structure, to determine row order and
    // indentation.
    $regions = $elements['#regions'];
    $tree = array(
        '' => array(
            'name' => '',
            'children' => array(),
        ),
    );
    $trees = array_fill_keys(array_keys($regions), $tree);
    $parents = array();
    $list = drupal_map_assoc(element_children($elements));
    // Iterate on rows until we can build a known tree path for all of them.
    while ($list) {
        foreach ($list as $name) {
            $row =& $elements[$name];
            $parent = $row['parent_wrapper']['parent']['#value'];
            // Proceed if parent is known.
            if (empty($parent) || isset($parents[$parent])) {
                // Grab parent, and remove the row from the next iteration.
                $parents[$name] = $parent ? array_merge($parents[$parent], array(
                    $parent,
                )) : array();
                unset($list[$name]);
                // Determine the region for the row.
                $function = $row['#region_callback'];
                $region_name = $function($row);
                // Add the element in the tree.
                $target =& $trees[$region_name][''];
                foreach ($parents[$name] as $key) {
                    $target =& $target['children'][$key];
                }
                $target['children'][$name] = array(
                    'name' => $name,
                    'weight' => $row['weight']['#value'],
                );
                // Add tabledrag indentation to the first row cell.
                if ($depth = count($parents[$name])) {
                    $children = element_children($row);
                    $cell = current($children);
                    $row[$cell]['#prefix'] = theme('indentation', array(
                        'size' => $depth,
                    )) . (isset($row[$cell]['#prefix']) ? $row[$cell]['#prefix'] : '');
                }
                // Add row id and associate JS settings.
                $id = drupal_html_class($name);
                $row['#attributes']['id'] = $id;
                if (isset($row['#js_settings'])) {
                    $row['#js_settings'] += array(
                        'rowHandler' => $row['#row_type'],
                        'name' => $name,
                        'region' => $region_name,
                    );
                    $js_settings[$id] = $row['#js_settings'];
                }
            }
        }
    }
    // Determine rendering order from the tree structure.
    foreach ($regions as $region_name => $region) {
        $elements['#regions'][$region_name]['rows_order'] = array_reduce($trees[$region_name], '_field_ui_reduce_order');
    }
    $elements['#attached']['js'][] = array(
        'type' => 'setting',
        'data' => array(
            'fieldUIRowsData' => $js_settings,
        ),
    );
    return $elements;
}