function layout_ajax_form_open_dialog

AJAX handler that opens a form in a dialog.

This AJAX handler is used both on the layout settings form and the layout content form.

See also

layout_settings_form()

layout_block_configure_form()

File

modules/layout/layout.admin.inc, line 2704

Admin page callbacks for the Layout module.

Code

function layout_ajax_form_open_dialog($form, &$form_state) {
  // Ensure that no errors have occurred before opening the dialog.
  if (form_get_errors()) {
    $commands[] = ajax_command_remove('#messages');
    $commands[] = ajax_command_html('#layout-messages', theme('status_messages'));
  }
  else {
    // Get the dialog path as set in the redirect.
    $dialog_path = $form_state['redirect'];
    $page_callback_result = NULL;
    if ($router_item = menu_get_item($dialog_path)) {
      if ($router_item['access']) {
        if ($router_item['include_file']) {
          require_once BACKDROP_ROOT . '/' . $router_item['include_file'];
        }
        $page_callback_result = call_user_func_array($router_item['page_callback'], $router_item['page_arguments']);
      }
    }
    $html = is_string($page_callback_result) ? $page_callback_result : backdrop_render($page_callback_result);
    if (isset($page_callback_result['#title'])) {
      $title = $page_callback_result['#title'];
    }
    else {
      $title = $router_item['title'];
    }
    $commands[] = ajax_command_open_modal_dialog($title, $html, array('dialogClass' => 'layout-dialog'));
  }

  return array(
    '#type' => 'ajax',
    '#commands' => $commands,
  );
}