menu_target.install in Menu target 7

Uninstall hooks for Menu Target

File

menu_target.install

<?php

/**
 * @file
 * Uninstall hooks for Menu Target
 */

/**
 * Implements hook_schema and installs the database for this module
 */
function menu_target_schema() {
  $schema = array();
  $schema['menu_target_links'] = array(
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'mlid' => array(
        'type' => 'int',
        'not null' => TRUE,
      ),
    ),
    'primary key' => array(
      'id',
    ),
    'unique keys' => array(
      'mlid' => array(
        'mlid',
      ),
    ),
  );
  return $schema;
}

/**
 * Implements hook_uninstall().
 */
function menu_target_uninstall() {
  variable_del('menu_target_enabled');
  variable_del('menu_target_type');
}

/**
 * Implements hook_update_N().
 * Creates custom table for menu target attributes
 */
function menu_target_update_7100() {
  $schema['menu_target_links'] = array(
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'mlid' => array(
        'type' => 'int',
        'not null' => TRUE,
      ),
    ),
    'primary key' => array(
      'id',
    ),
    'unique keys' => array(
      'mlid' => array(
        'mlid',
      ),
    ),
  );
  db_create_table('menu_target_links', $schema['menu_target_links']);
}

/**
 * Implements hook_update_N().
 * Removes extant attributes from the menu_links options field from previous versions of this module
 */
function menu_target_update_7101(&$sandbox) {
  if (!isset($sandbox['progress'])) {
    $sandbox['progress'] = 0;
    $sandbox['current'] = 0;
    $sandbox['max'] = db_query("SELECT COUNT(DISTINCT mlid) FROM {menu_links} WHERE options LIKE '%target%'")
      ->fetchField();
  }
  $limit = 20;

  // Process 20 at a time
  $links = db_query_range("SELECT mlid, options FROM {menu_links} WHERE mlid > :mlid AND options LIKE '%target%' ORDER BY mlid", 0, $limit, array(
    ':mlid' => $sandbox['current'],
  ))
    ->fetchAllKeyed();
  foreach ($links as $mlid => $options) {
    $options = unserialize($options);
    $unset = FALSE;

    // Unset the "target-blank" class
    if (isset($options['attributes']['class']) && is_array($options['attributes']['class']) && ($key = array_search("target-blank", $options['attributes']['class'])) !== FALSE) {
      unset($options['attributes']['class'][$key]);
      $unset = TRUE;
    }

    // unset the target="_blank" attribute
    if (isset($options['attributes']['target']) && is_array($options['attributes']['target'])) {
      unset($options['attributes']['target']);
      $unset = TRUE;
    }
    if ($unset) {

      // Save the cleaned up options array
      db_update('menu_links')
        ->fields(array(
        'options' => serialize($options),
      ))
        ->condition('mlid', $mlid)
        ->execute();

      // Add entry for this menu link into our custom table to maintain expected functionality
      db_insert('menu_target_links')
        ->fields(array(
        'mlid' => $mlid,
      ))
        ->execute();
    }
    $sandbox['progress']++;
    $sandbox['current'] = $mlid;
  }
  $sandbox['#finished'] = empty($sandbox['max']) ? 1 : $sandbox['progress'] / $sandbox['max'];

  // Flush menu caches to reset everything
  menu_rebuild();
  return t('All menu links with attributes from previous versions of menu_target have been repaired.');
}

Functions

Name	Description
menu_target_schema	Implements hook_schema and installs the database for this module
menu_target_uninstall	Implements hook_uninstall().
menu_target_update_7100	Implements hook_update_N(). Creates custom table for menu target attributes
menu_target_update_7101	Implements hook_update_N(). Removes extant attributes from the menu_links options field from previous versions of this module