panelizer.module in Panelizer 6

panelizer.module

File

panelizer.module

<?php

/**
 * @file panelizer.module
 *
 */

// ---------------------------------------------------------------------------
// General Drupal hooks

/**
 * Implementation of hook_perm().
 */
function panelizer_perm() {
  return array(
    'administer panelizer',
    'use panelizer',
  );
}

/**
 * Implements hook_theme()
 */
function panelizer_theme() {
  $items = array();
  $items['panelizer_node_settings_page_form'] = array(
    'arguments' => array(
      'form' => NULL,
    ),
    'file' => 'includes/admin.inc',
  );
  return $items;
}

/**
 * Implementation of hook_menu().
 */
function panelizer_menu() {

  // Safety: go away if CTools is not at an appropriate version.
  if (!defined('PANELS_REQUIRED_CTOOLS_API') || !module_invoke('ctools', 'api_version', PANELS_REQUIRED_CTOOLS_API)) {
    return array();
  }

  // Configure settings pages.
  $settings_base = array(
    'access arguments' => array(
      'administer panelizer',
    ),
    'file' => 'includes/admin.inc',
  );
  $items['admin/settings/panelizer'] = array(
    'title' => 'Panelizer',
    'description' => 'Configure panelizer availability and defaults',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'panelizer_settings_page_form',
    ),
    'type' => MENU_NORMAL_ITEM,
  ) + $settings_base;
  $items['admin/settings/panelizer/%/%'] = array(
    'title callback' => 'panelizer_default_title_callback',
    'title arguments' => array(
      3,
      4,
    ),
    'page callback' => 'panelizer_allowed_content_page',
    'page arguments' => array(
      3,
      4,
    ),
    'type' => MENU_CALLBACK,
  ) + $settings_base;
  $items['admin/settings/panelizer/%/%/allowed'] = array(
    'title' => 'Available content',
    'page callback' => 'panelizer_allowed_content_page',
    'page arguments' => array(
      3,
      4,
    ),
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'weight' => -10,
  ) + $settings_base;
  $items['admin/settings/panelizer/%/%/list'] = array(
    'title' => 'List defaults',
    'access callback' => 'panelizer_has_choice_callback',
    'access arguments' => array(
      3,
      4,
      '',
    ),
    'page callback' => 'panelizer_default_list_page',
    'page arguments' => array(
      3,
      4,
    ),
    'type' => MENU_LOCAL_TASK,
    'weight' => -6,
  ) + $settings_base;
  $tabs_base = array(
    'access callback' => 'panelizer_has_no_choice_callback',
    'access arguments' => array(
      3,
      4,
    ),
    'page arguments' => array(
      3,
      4,
      'default',
    ),
    'type' => MENU_LOCAL_TASK,
    'file' => 'includes/admin.inc',
  );
  $items['admin/settings/panelizer/%/%/settings'] = array(
    'title' => 'Settings',
    'page callback' => 'panelizer_default_settings_page',
    'weight' => -5,
  ) + $tabs_base;
  $items['admin/settings/panelizer/%/%/context'] = array(
    'title' => 'Contexts',
    'page callback' => 'panelizer_default_context_page',
    'weight' => -4,
  ) + $tabs_base;
  $items['admin/settings/panelizer/%/%/layout'] = array(
    'title' => 'Layout',
    'page callback' => 'panelizer_default_layout_page',
    'weight' => -3,
  ) + $tabs_base;
  $items['admin/settings/panelizer/%/%/content'] = array(
    'title' => 'Content',
    'page callback' => 'panelizer_default_content_page',
    'weight' => -2,
  ) + $tabs_base;
  $subtabs_base = array(
    'access callback' => 'panelizer_has_choice_callback',
    'access arguments' => array(
      3,
      4,
      5,
    ),
    'page arguments' => array(
      3,
      4,
      5,
    ),
    'type' => MENU_LOCAL_TASK,
    'file' => 'includes/admin.inc',
  );
  $items['admin/settings/panelizer/%/%/%'] = array(
    'title' => 'Settings',
    'page callback' => 'panelizer_default_settings_page',
    'title callback' => 'panelizer_default_name_title_callback',
    'type' => MENU_CALLBACK,
  ) + $subtabs_base;
  $items['admin/settings/panelizer/%/%/%/settings'] = array(
    'title' => 'Settings',
    'page callback' => 'panelizer_default_settings_page',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'weight' => -5,
  ) + $subtabs_base;
  $items['admin/settings/panelizer/%/%/%/context'] = array(
    'title' => 'Contexts',
    'page callback' => 'panelizer_default_context_page',
    'weight' => -4,
  ) + $subtabs_base;
  $items['admin/settings/panelizer/%/%/%/layout'] = array(
    'title' => 'Layout',
    'page callback' => 'panelizer_default_layout_page',
    'weight' => -3,
  ) + $subtabs_base;
  $items['admin/settings/panelizer/%/%/%/content'] = array(
    'title' => 'Content',
    'page callback' => 'panelizer_default_content_page',
    'weight' => -2,
  ) + $subtabs_base;

  // Configure node editing pages
  $base = array(
    'access callback' => 'panelizer_edit_node_callback',
    'access arguments' => array(
      1,
    ),
    'page arguments' => array(
      1,
    ),
    'type' => MENU_LOCAL_TASK,
    'file' => 'includes/node.inc',
  );
  $items['node/%node/panelizer'] = array(
    'title' => 'Panelizer',
    // make sure this is accessible to panelize nodes with no defaults.
    'access arguments' => array(
      1,
      FALSE,
    ),
    'page callback' => 'panelizer_edit_node_settings_page',
    'weight' => 11,
  ) + $base;
  $items['node/%node/panelizer/settings'] = array(
    'title' => 'Settings',
    'page callback' => 'panelizer_edit_node_settings_page',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'weight' => 11,
  ) + $base;
  $items['node/%node/panelizer/context'] = array(
    'title' => 'Context',
    'page callback' => 'panelizer_edit_node_context_page',
    'weight' => 12,
  ) + $base;
  $items['node/%node/panelizer/layout'] = array(
    'title' => 'Layout',
    'page callback' => 'panelizer_edit_node_layout_page',
    'weight' => 13,
  ) + $base;
  $items['node/%node/panelizer/content'] = array(
    'title' => 'Content',
    'page callback' => 'panelizer_edit_node_content_page',
    'weight' => 14,
  ) + $base;
  return $items;
}

// ---------------------------------------------------------------------------
// Menu callbacks

/**
 * Determine if the current user has access to edit panelizer info on a node.
 */
function panelizer_edit_node_callback($node, $check_for_default = TRUE) {
  if (!user_access('use panelizer') || !panelizer_is_panelized('node', $node->type)) {
    return FALSE;
  }

  // If there isn't a default, check to see if this node is panelized.
  if ($check_for_default && !panelizer_has_default('node', $node->type)) {
    ctools_include('node', 'panelizer');
    if (!panelizer_load_node_panelizer($node)) {
      return FALSE;
    }
  }
  return node_access('update', $node);
}

/**
 * Title callback to properly set the tile when editing panelizer defaults.
 */
function panelizer_default_title_callback($type, $key) {
  switch ($type) {
    case 'node':
      $name = node_get_types('name', $key);
      return check_plain($name);
    case 'user':
  }
}

/**
 * Menu callback to determine if a type has a choice of defaults.
 *
 * We use this to make sure the right tabs appear.
 */
function panelizer_has_choice_callback($type, $key, $name = NULL) {
  if (!user_access('administer panelizer')) {
    return FALSE;
  }

  // Check to see if $name is valid
  if ($name && !panelizer_load_default($type, $key, $name)) {
    return FALSE;
  }
  return panelizer_has_choice($type, $key);
}

/**
 * Menu callback to determine if a type has a choice of defaults.
 *
 * We use this to make sure the right tabs appear.
 */
function panelizer_has_no_choice_callback($type, $key) {
  if (!user_access('administer panelizer')) {
    return FALSE;
  }

  // If this type has defaults and is not allowed a choice, return true.
  $settings = variable_get('panelizer_defaults', array());
  return !empty($settings[$type][$key]['status']) && !empty($settings[$type][$key]['default']) && empty($settings[$type][$key]['choice']);
}

// ---------------------------------------------------------------------------
// Node hooks
// @todo -- need a nodeapi hook for insert/update so that node_save() can work
// as expected if panelizer settings are attached to the node.

/**
 * Implements hook_nodeapi().
 */
function panelizer_nodeapi(&$node, $op) {
  switch ($op) {
    case 'delete':
      return panelizer_node_delete($node);
    case 'insert':
      return panelizer_node_insert($node);
  }
}

/**
 * Implements hook_nodeapi() for delete (D7's hook_node_delete()).
 */
function panelizer_node_delete($node) {
  ctools_include('node', 'panelizer');
  $panelizer = panelizer_load_node_panelizer($node);
  panelizer_delete_node_panelizer($panelizer);
}

/**
 * Implements hook_nodeapi() for insert (D7's hook_node_insert()).
 */
function panelizer_node_insert($node) {
  if (!empty($node->clone_from_original_nid)) {
    $original_node = node_load($node->clone_from_original_nid);
    ctools_include('node', 'panelizer');
    $original_panelizer = panelizer_load_node_panelizer($original_node);
    if (!empty($original_panelizer)) {
      $cloned_panelizer = panelizer_clone_node_panelizer($original_panelizer, $node->nid);
      panelizer_save_node_panelizer($cloned_panelizer);
    }
  }
}

// ---------------------------------------------------------------------------
// Panelizer object access routines

/**
 * Get the panelizer type and key from a default name.
 *
 * @param $default_name
 *   The default name, which should be in the format of TYPE_NAME
 * @return
 *   An array with two keys, the type (i.e, node, user) and the key.
 */
function panelizer_get_type_key($default_name) {
  $separator = ':';
  return @explode($separator, $default_name, 2);
}

/**
 * Get the panelizer type and key and name
 *
 * @param $default_name
 *   The default name, which should be in the format of TYPE_NAME
 * @return
 *   An array with three keys, the type (i.e, node, user), the key, and the name.
 */
function panelizer_get_type_key_name($load_name) {
  $separator = ':';
  return @explode($separator, $load_name, 3);
}

/**
 * Determine if a given thing is panelized.
 */
function panelizer_is_panelized($type, $key) {
  $settings = variable_get('panelizer_defaults', array());
  return !empty($settings[$type][$key]['status']);
}

/**
 * Determine if a given thing has a default panel.
 */
function panelizer_has_default($type, $key) {
  $settings = variable_get('panelizer_defaults', array());
  return !empty($settings[$type][$key]['status']) && !empty($settings[$type][$key]['default']);
}

/**
 * Determine if a given thing can choose from a list of defaults.
 */
function panelizer_has_choice($type, $key) {
  $settings = variable_get('panelizer_defaults', array());
  return !empty($settings[$type][$key]['status']) && !empty($settings[$type][$key]['default']) && !empty($settings[$type][$key]['choice']);
}

/**
 * Fetch the panelizer default record for a panelizer name.
 *
 * When configured properly, things can have default displays attached
 * to them. This fetches the display, if there is one.
 */
function panelizer_load_default_by_name($load_name, $default_anyway = FALSE) {
  list($type, $key, $name) = panelizer_get_type_key_name($load_name);
  return _panelizer_load_default($type, $key, $name, $load_name, $default_anyway);
}

/**
 * Fetch the panelizer default record for a panelizer name.
 *
 * When configured properly, things can have default displays attached
 * to them. This fetches the display, if there is one.
 */
function panelizer_load_default($type, $key, $name, $default_anyway = FALSE) {
  $load_name = $type . ':' . $key . ':' . $name;
  return _panelizer_load_default($type, $key, $name, $load_name, $default_anyway);
}

/**
 * Load a panelizer default object.
 */
function _panelizer_load_default($type, $key, $name, $load_name, $default_anyway = FALSE) {
  if (!$default_anyway && !panelizer_has_default($type, $key)) {
    return;
  }
  ctools_include('export');
  $panelizer = ctools_export_crud_load('panelizer_defaults', $load_name);
  if (empty($panelizer)) {
    $panelizer = ctools_export_crud_new('panelizer_defaults');
    $panelizer->panelizer_type = $type;
    $panelizer->panelizer_key = $key;
    $panelizer->name = $load_name;
    $panelizer->display = panelizer_get_default_display($type);
  }
  return $panelizer;
}

/**
 * Export.inc callback to create a new panelizer.
 */
function panelizer_get_default_display($type) {
  ctools_include($type, 'panelizer');
  $function = 'panelizer_get_default_display_' . $type;
  if (function_exists($function)) {
    return $function();
  }
}

/**
 * Fetch the display associated with a panelizer object.
 *
 * The display may be stored on the object, which means either that it's
 * loaded from an export, or has been previously loaded. If not, this will
 * attempt to load it from the database and store it on the object.
 *
 * $object->display should never be accessed directly except here and
 * other Panelizer database functions.
 *
 * @param $object
 *   The panelizer object can be either a panelizer object associated with
 *   a node, or a default object. They have the same datastructure.
 *
 * @return
 *   A panels $display object.
 */
function panelizer_load_display(&$object) {
  if (empty($object->display)) {
    if (!empty($object->did)) {
      $object->display = panels_load_display($object->did);
    }
    else {
      $object->display = new panels_display();
    }
  }
  return $object->display;
}

// ---------------------------------------------------------------------------
// export.inc callbacks to handle proper in/out of our defaults

/**
 * export.inc callback to properly save a panelizer default.
 */
function panelizer_export_save_callback(&$object) {
  if (!empty($object->display)) {

    // First write the display
    panels_save_display($object->display);

    // Make sure we have the did.
    // @todo -- this should never spontaneously change on us, but we aren't
    // checking that, either. We possibly should enforce a safety condition
    // here.
    $object->did = $object->display->did;
  }

  // Then write the default
  if ($object->export_type & EXPORT_IN_DATABASE) {

    // Existing record.
    $update = array(
      'pnid',
    );
  }
  else {

    // New record.
    $update = array();
    $object->export_type = EXPORT_IN_DATABASE;
  }
  return drupal_write_record('panelizer_defaults', $object, $update);
}

/**
 * export.inc callback to properly export a panelizer default.
 */
function panelizer_export_export_callback($object, $indent) {
  $output = ctools_export_object('panelizer_defaults', $object, $indent);
  $display = panelizer_load_display($object);
  $output .= panels_export_display($display, $indent);
  $output .= $indent . '$panelizer->display = $display;' . "\n";
  return $output;
}

/**
 * export.inc callback to properly delete a panelizer default.
 */
function panelizer_export_delete_callback($object) {
  if (!empty($object->did)) {
    panels_delete_display($object->did);
  }
  db_query("DELETE FROM {panelizer_defaults} WHERE name = '%s'", $object->name);
}

// ---------------------------------------------------------------------------
// Context cache callbacks -- this really needs a less lame system someday.

/**
 * Fetch the panelizer object from the object cache.
 *
 * CTools clumsy context editing system requires caching. This lets us
 * do it reasonably.
 *
 * @param $type
 *   Can be something like 'node' or 'user' or 'default'.
 * @param $key
 *   Depends on the $type. Can be a nid, a uid or a default key.
 */
function panelizer_context_cache_get($type, $key) {
  ctools_include('object-cache');
  $cache = ctools_object_cache_get('panelizer_context_cache', $type . ':' . $key);
  if (!empty($cache)) {
    $cache->cached = TRUE;
    return $cache;
  }
  switch ($type) {
    case 'default':
      $panelizer = panelizer_load_default_by_name($key);
      $panelizer->base_contexts = panelizer_get_base_context($panelizer->panelizer_type);
      return $panelizer;
    case 'node':
      ctools_include('node', 'panelizer');
      return panelizer_load_node_panelizer($key);
    case 'user':
  }
}

/**
 * Store the panelizer object in the object cache.
 *
 * CTools clumsy context editing system requires caching. This lets us
 * do it reasonably.
 *
 * @param $type
 *   Can be something like 'node' or 'user' or 'default'.
 * @param $key
 *   Either the node type or the nid.
 * @param $object
 *   The cached object.
 */
function panelizer_context_cache_set($type, $key, $object) {
  ctools_include('object-cache');
  ctools_object_cache_set('panelizer_context_cache', $type . ':' . $key, $object);
}

/**
 * Clear the panelizer object in the object cache.
 *
 * CTools clumsy context editing system requires caching. This lets us
 * do it reasonably.
 *
 * @param $type
 *   Can be something like 'node' or 'user' or 'default'.
 * @param $key
 *   Either the node type or the nid.
 */
function panelizer_context_cache_clear($type, $key) {
  ctools_include('object-cache');
  ctools_object_cache_clear('panelizer_context_cache', $type . ':' . $key);
}

// --------------------------------------------------------------------------
// Panels edit cache contexts.

/**
 * Get display edit cache for a panel being edited.
 *
 * The key is the second half of the key in this form:
 * panelizer:TYPE:KEY;
 */
function panelizer_panels_cache_get($argument) {
  ctools_include('object-cache');
  list($type, $key) = explode(':', $argument, 2);
  $cache = ctools_object_cache_get('panelizer_display_cache', $type . ':' . $key);
  if (!empty($cache)) {
    $cache->cached = TRUE;
    switch ($type) {
      case 'default':
        $panelizer = panelizer_load_default_by_name($key);
        $cache->display->context = panelizer_get_contexts($panelizer);
        break;
      case 'node':
        ctools_include('node', 'panelizer');
        $panelizer = panelizer_load_node_panelizer($key);
        $node = node_load($key);
        $cache->display->context = panelizer_get_contexts($panelizer, $node);
        break;
      case 'user':
    }
    return $cache;
  }
  switch ($type) {
    case 'default':
      $panelizer = panelizer_load_default_by_name($key);
      $cache = new stdClass();
      ctools_include('common', 'panels');
      $cache->display = panelizer_load_display($panelizer);
      $cache->display->context = panelizer_get_contexts($panelizer);
      $cache->display->cache_key = "panelizer:{$type}:{$key}";
      $cache->content_types = panels_common_get_allowed_types('panelizer_node:' . $type, $cache->display->context);
      return $cache;
    case 'node':
      ctools_include('node', 'panelizer');
      $panelizer = panelizer_load_node_panelizer($key);
      $cache = new stdClass();
      ctools_include('common', 'panels');
      $cache->display = panelizer_load_display($panelizer);
      $node = node_load($key);
      $cache->display->context = panelizer_get_contexts($panelizer, $node);
      $cache->display->cache_key = "panelizer:{$type}:{$key}";
      $cache->content_types = panels_common_get_allowed_types('panelizer_node:' . $node->type, $cache->display->context);
      return $cache;
    case 'user':
  }
}

/**
 * Store a display edit in progress in the page cache.
 */
function panelizer_panels_cache_set($argument, $cache) {
  list($type, $key) = explode(':', $argument, 2);
  ctools_include('object-cache');
  ctools_object_cache_set('panelizer_display_cache', $type . ':' . $key, $cache);
}

/**
 * Save all changes made to a display using the Page Manager page cache.
 */
function panelizer_panels_cache_clear($argument, $cache) {
  list($type, $key) = explode(':', $argument, 2);
  ctools_include('object-cache');
  ctools_object_cache_clear('panelizer_display_cache', $type . ':' . $key);
}

/**
 * Save all changes made to a display using the Page Manager page cache.
 */
function panelizer_panels_cache_save($argument, $cache) {
  list($type, $key) = explode(':', $argument, 2);
  switch ($type) {
    case 'default':
      $panelizer = panelizer_load_default($key);
      $panelizer->display = $cache->display;
      ctools_include('export');
      ctools_export_crud_save('panelizer_defaults', $panelizer);
      break;
    case 'node':
      ctools_include('node', 'panelizer');
      $panelizer = panelizer_load_node_panelizer($key);
      $panelizer->display = $cache->display;
      panelizer_save_node_panelizer($panelizer);
      break;
    case 'user':
  }
}

// ---------------------------------------------------------------------------
// Utility functions to get contexts.

/**
 * Add the base context to the panelizer object.
 *
 * For editing and displaying, we need the base context, which is the node the
 * panel is attached to. During editing of defaults we don't know the node,
 * though, so in that case we just provide the standard empty context.
 */
function panelizer_get_base_context($type, $object = NULL) {
  ctools_include($type, 'panelizer');
  $function = 'panelizer_get_base_context_' . $type;
  if (function_exists($function)) {
    return $function($object);
  }
}

/**
 * Fetch an object array from panelizer information.
 */
function panelizer_get_contexts($panelizer, $object = NULL) {
  ctools_include('context');
  if (empty($panelizer->base_contexts)) {
    $panelizer->base_contexts = panelizer_get_base_context($panelizer->panelizer_type, $object);
  }
  return ctools_context_load_contexts($panelizer);
}

// ---------------------------------------------------------------------------
// Contrib module hooks to provide needed functionality.

/**
 * Implementation of hook_ctools_plugin_directory() to let the system know
 * where our task_handler plugins are.
 */
function panelizer_ctools_plugin_directory($owner, $plugin_type) {
  if ($owner == 'page_manager') {
    return 'plugins/' . $plugin_type;
  }
}

/**
 * Implementation of hook_ctools_plugin_api().
 */
function panelizer_ctools_plugin_api($module, $api) {
  if ($module == 'page_manager' && $api == 'pages_default') {
    return array(
      'version' => 1,
      'path' => drupal_get_path('module', 'panelizer') . '/includes',
    );
  }
}

/**
 * Implementation of hook_export_node_alter()
 *
 * Integrate with export.module for saving panel_nodes into code.
 */
function panelizer_export_node_alter(&$node, $original_node, $method) {

  // @todo
}

/**
 * Implementation of hook_panelizer_defaults_alter
 *
 * Remove the panels node because there is no point to panelizing it.
 */
function panelizer_panelizer_default_types_alter(&$types, $type) {
  switch ($type) {
    case 'node':

      // Disallow the panel node type, since it's already a panel.
      if (!empty($types['panel'])) {
        unset($types['panel']);
      }
      break;
    case 'user':
  }
}

/**
 * Implementation of hook_views_api().
 */
function panelizer_views_api() {
  return array(
    'api' => 2.0,
    'path' => drupal_get_path('module', 'panelizer') . '/plugins/views',
  );
}

Functions

Name	Description
panelizer_context_cache_clear	Clear the panelizer object in the object cache.
panelizer_context_cache_get	Fetch the panelizer object from the object cache.
panelizer_context_cache_set	Store the panelizer object in the object cache.
panelizer_ctools_plugin_api	Implementation of hook_ctools_plugin_api().
panelizer_ctools_plugin_directory	Implementation of hook_ctools_plugin_directory() to let the system know where our task_handler plugins are.
panelizer_default_title_callback	Title callback to properly set the tile when editing panelizer defaults.
panelizer_edit_node_callback	Determine if the current user has access to edit panelizer info on a node.
panelizer_export_delete_callback	export.inc callback to properly delete a panelizer default.
panelizer_export_export_callback	export.inc callback to properly export a panelizer default.
panelizer_export_node_alter	Implementation of hook_export_node_alter()
panelizer_export_save_callback	export.inc callback to properly save a panelizer default.
panelizer_get_base_context	Add the base context to the panelizer object.
panelizer_get_contexts	Fetch an object array from panelizer information.
panelizer_get_default_display	Export.inc callback to create a new panelizer.
panelizer_get_type_key	Get the panelizer type and key from a default name.
panelizer_get_type_key_name	Get the panelizer type and key and name
panelizer_has_choice	Determine if a given thing can choose from a list of defaults.
panelizer_has_choice_callback	Menu callback to determine if a type has a choice of defaults.
panelizer_has_default	Determine if a given thing has a default panel.
panelizer_has_no_choice_callback	Menu callback to determine if a type has a choice of defaults.
panelizer_is_panelized	Determine if a given thing is panelized.
panelizer_load_default	Fetch the panelizer default record for a panelizer name.
panelizer_load_default_by_name	Fetch the panelizer default record for a panelizer name.
panelizer_load_display	Fetch the display associated with a panelizer object.
panelizer_menu	Implementation of hook_menu().
panelizer_nodeapi	Implements hook_nodeapi().
panelizer_node_delete	Implements hook_nodeapi() for delete (D7's hook_node_delete()).
panelizer_node_insert	Implements hook_nodeapi() for insert (D7's hook_node_insert()).
panelizer_panelizer_default_types_alter	Implementation of hook_panelizer_defaults_alter
panelizer_panels_cache_clear	Save all changes made to a display using the Page Manager page cache.
panelizer_panels_cache_get	Get display edit cache for a panel being edited.
panelizer_panels_cache_save	Save all changes made to a display using the Page Manager page cache.
panelizer_panels_cache_set	Store a display edit in progress in the page cache.
panelizer_perm	Implementation of hook_perm().
panelizer_theme	Implements hook_theme()
panelizer_views_api	Implementation of hook_views_api().
_panelizer_load_default	Load a panelizer default object.