fieldblock.install in Field as Block 7

File

fieldblock.install

<?php

/**
 * Implements hook_uninstall().
 */
function fieldblock_uninstall() {

  // Delete variables.
  $entities = entity_get_info();

  // Loop over the entity types.
  foreach ($entities as $entity_type => $entity_info) {

    // Loop over each entity type's bundles.
    foreach ($entity_info['bundles'] as $bundle => $bundle_info) {
      $view_modes = field_view_mode_settings($entity_type, $bundle);

      // Treat the default settings as a real view mode with custom settings.
      $view_modes['default']['custom_settings'] = true;

      // Loop over the bundle's view modes.
      foreach ($view_modes as $view_mode => $view_mode_info) {

        // Delete the variable, if it exists.
        $variable_name = 'fieldblock-' . $entity_type . '-' . $bundle . '-' . $view_mode;
        variable_del($variable_name);
      }
    }
  }
}

/**
 * Legacy helper function to undo drupal core schema alter.
 */
function _fieldblock_db_alter_block_delta_length($length) {

  // Alter block table.
  db_drop_unique_key('block', 'tmd');
  db_change_field('block', 'delta', 'delta', array(
    'type' => 'varchar',
    'length' => $length,
    'not null' => TRUE,
    'default' => '0',
    'description' => 'Unique ID for block within a module.',
  ), array(
    'unique keys' => array(
      'tmd' => array(
        'theme',
        'module',
        'delta',
      ),
    ),
  ));

  // Alter block_role table.
  db_drop_primary_key('block_role');
  db_change_field('block_role', 'delta', 'delta', array(
    'type' => 'varchar',
    'length' => $length,
    'not null' => TRUE,
    'description' => "The block's unique delta within module, from {block}.delta.",
  ), array(
    'primary key' => array(
      'module',
      'delta',
      'rid',
    ),
  ));

  // Alter block_node_type table.
  db_drop_primary_key('block_node_type');
  db_change_field('block_node_type', 'delta', 'delta', array(
    'type' => 'varchar',
    'length' => $length,
    'not null' => TRUE,
    'description' => "The block's unique delta within module, from {block}.delta.",
  ), array(
    'primary key' => array(
      'module',
      'delta',
      'type',
    ),
  ));
}

/**
 * Update legacy fieldblock deltas to use md5 identifier.
 * Reset drupal core block schema.
 */
function fieldblock_update_7100() {
  $blocks = db_query("SELECT bid, delta FROM {block} WHERE module = 'fieldblock'");
  foreach ($blocks as $block) {
    db_query("UPDATE {block} SET delta = :new_delta WHERE bid = :bid AND delta = :old_delta AND module = 'fieldblock'", array(
      ':new_delta' => md5($block->delta),
      ':bid' => $block->bid,
      ':old_delta' => $block->delta,
    ));
  }
  _fieldblock_db_alter_block_delta_length(32);
}

Functions

Name	Description
fieldblock_uninstall	Implements hook_uninstall().
fieldblock_update_7100	Update legacy fieldblock deltas to use md5 identifier. Reset drupal core block schema.
_fieldblock_db_alter_block_delta_length	Legacy helper function to undo drupal core schema alter.