block_attributes.install in Block Attributes 7

Install, update and uninstall functions for the block_attributes module.

File

block_attributes.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the block_attributes module.
 */

/**
 * Implements hook_install().
 */
function block_attributes_install() {
  $schema['block'] = array();
  block_attributes_schema_alter($schema);
  foreach ($schema['block']['fields'] as $field => $spec) {
    if (db_field_exists('block', $field)) {
      watchdog('system', 'Module install: Attempt to recreate field: "%field", when it already exists.', array(
        '%field' => $field,
      ), WATCHDOG_WARNING);
    }
    else {
      db_add_field('block', $field, $spec);
    }
  }
}

/**
 * Implements hook_uninstall().
 */
function block_attributes_uninstall() {
  $schema['block'] = array();
  block_attributes_schema_alter($schema);

  // Remove any database field added by the module.
  foreach ($schema['block']['fields'] as $field => $specs) {
    db_drop_field('block', $field);
  }

  // Remove all the configuration variables added by the module.
  db_delete('variable')
    ->condition('name', 'block_attributes_%', 'LIKE')
    ->execute();
}

/**
 * Implements hook_schema_alter().
 *
 * Other modules, such as i18n_block also modify the block database table.
 */
function block_attributes_schema_alter(&$schema) {
  if (isset($schema['block'])) {
    $schema['block']['fields']['options'] = array(
      'description' => 'A serialized array of options to be passed to the block template, such as HTML attributes.',
      'type' => 'blob',
      // If we really needed the value to be not null, we could consider
      // providing a 'default' value as a serialized empty array.
      'not null' => FALSE,
      'translatable' => TRUE,
    );
  }
}

Functions

Name	Description
block_attributes_install	Implements hook_install().
block_attributes_schema_alter	Implements hook_schema_alter().
block_attributes_uninstall	Implements hook_uninstall().