menu_block.install in Menu Block 5

File

menu_block.install

<?php

/**
 * Implementation of hook_uninstall().
 */
function menu_block_uninstall() {
  foreach (variable_get('menu_block_enabled_blocks', array()) as $delta => $enabled) {
    variable_del("menu_block_{$delta}_mid");
    variable_del("menu_block_{$delta}_level");
    variable_del("menu_block_{$delta}_depth");
    variable_del("menu_block_{$delta}_expanded");
  }
  variable_del('menu_block_enabled_blocks');
}

/**
 * Implements hook_install().
 */
function menu_block_install() {
  drupal_set_message(t('To add menu blocks to the administer blocks page, enable them on the <a href="@url">administer menu blocks page</a>.', array(
    '@url' => url('admin/build/menu-block'),
  )));
}

/**
 * Implements hook_update_N().
 *
 * Pre-1.0 versions used a different naming convention for block names. Convert
 * the old names to the new format. An unfortunate side effect of this renaming
 * is that it disables all the previously enabled blocks.
 */
function menu_block_update_5100() {
  $delta = 0;
  $enabled_blocks = array();

  // Find the old enabled blocks.
  foreach (variable_get('menu_block_enabled_blocks', array()) as $old_delta => $enabled) {
    list($mid, $level) = explode('-', $old_delta);
    if ($enabled) {
      $enabled_blocks[++$delta] = TRUE;
      variable_set("menu_block_{$delta}_mid", $mid);
      variable_set("menu_block_{$delta}_level", $level);
      variable_set("menu_block_{$delta}_depth", variable_get("menu_block_depth_{$mid}_{$level}", 0));
      variable_set("menu_block_{$delta}_expanded", variable_get("menu_block_expanded_{$mid}_{$level}", 0));
    }

    // Remove any of the old-style variables.
    variable_del("menu_block_depth_{$mid}_{$level}");
    variable_del("menu_block_expanded_{$mid}_{$level}");
  }
  variable_set('menu_block_enabled_blocks', $enabled_blocks);
  return array(
    0 => array(
      'success' => TRUE,
      'query' => t('A pre-release version of Menu block has been detected. All menu blocks from the pre-release version have been given a new delta and are no longer placed in any block regions; their block placement should be re-configured immediately.'),
    ),
  );
}

Functions

Name	Description
menu_block_install	Implements hook_install().
menu_block_uninstall	Implementation of hook_uninstall().
menu_block_update_5100	Implements hook_update_N().