function panels_common_ajax_context_item_add in Panels 5.2

Ajax entry point to add an context

1 call to panels_common_ajax_context_item_add()

panels_common_ajax in includes/common.inc

Incoming menu function for ajax calls. This routes to the proper 'module' -- we really only need this because common.inc relies on panels.module for its menu hook, and this way the code stays together.

File

includes/common.inc, line 870

Functions used by more than one panels client module.

Code

function panels_common_ajax_context_item_add($module, $type, $panel_name) {
  $object = panels_common_cache_get("panel_object:{$module}", $panel_name);
  if (!$object || !$type) {
    panels_ajax_render();
  }

  // Figure out which context we're adding
  if (isset($_POST['buttons'][$type]['item'])) {
    $name = $_POST['buttons'][$type]['item'];

    // Unset $_POST so fapi doesn't get confused and try to process this
    // as a form.
    unset($_POST);
  }
  else {
    if (isset($_POST[$type]['name'])) {
      $name = $_POST[$type]['name'];
    }
  }
  if (empty($name)) {
    panels_ajax_render();
  }
  $info = panels_common_context_data($type, $name);
  if (empty($info)) {
    panels_ajax_render();
  }

  // Create a reference to the place our context lives.
  $keyword = $type . 's';
  $ref =& $object->{$keyword};

  // Give this argument an id, which is really just the nth version
  // of this particular context.
  $id = panels_common_get_arg_id($ref, $name) + 1;

  // Figure out the position for our new context.
  $position = empty($ref) ? 0 : max(array_keys($ref)) + 1;

  // Create the basis for our new context.
  $ref[$position] = array(
    'identifier' => $info['title'] . ($id > 1 ? ' ' . $id : ''),
    'keyword' => panels_common_get_keyword($object, $info['keyword']),
    'id' => $id,
  );
  $contexts = panels_context_load_contexts($object);
  $form_id = 'panels_common_edit_' . $type . '_form';
  $form = drupal_retrieve_form($form_id, $object, $info, $position, $contexts);
  if ($_POST && $_POST['form_id'] == $form_id) {
    $form['#redirect'] = FALSE;
  }
  $retval = drupal_process_form($form_id, $form);
  if ($retval) {

    // successful submit
    // Save changes
    $ref[$position] = $retval;
    panels_common_cache_set("panel_object:{$module}", $panel_name, $object);

    // Build a chunk of the form to merge into the displayed form
    $arg_form[$type] = array(
      '#tree' => TRUE,
    );
    panels_common_add_item_to_form($type, $arg_form[$type], $position, $retval);
    $arg_form = form_builder($form_id, $arg_form);

    // Build the relationships table so we can ajax it in.
    // This is an additional thing that goes in here.
    $rel_form = array(
      '#theme' => 'panels_common_context_item_form',
      '#panel_name' => $panel_name,
      '#panels_context_type' => 'relationship',
      '#panels_context_module' => $module,
      '#only_buttons' => TRUE,
    );
    $rel_form['relationship'] = array(
      '#tree' => TRUE,
    );
    $available_relationships = panels_get_relevant_relationships(panels_context_load_contexts($object));
    $output = new stdClass();
    if (!empty($available_relationships)) {
      panels_common_add_item_table_buttons('relationship', $rel_form, $available_relationships);
      $rel_form = form_builder('dummy_form_id', $rel_form);
      $output->relationships_table = drupal_render($rel_form);
    }
    $output->type = 'add';
    $output->output = theme('panels_common_context_item_row', $type, $arg_form[$type], $position, $position);
    $output->position = $position;
    panels_ajax_render($output);
  }
  else {
    $type_info = panels_common_context_info($type);
    $title = t('Add @type "@context"', array(
      '@type' => $type_info['singular title'],
      '@context' => $info['title'],
    ));
    $output = theme('status_messages');
    $output .= drupal_render_form($form_id, $form);
    panels_ajax_render($output, $title, url($_GET['q'], NULL, NULL, TRUE));
  }
}