dynamic_background_context.install in Dynamic Background 7.2

Installation and update functions for this module.

File

modules/dynamic_background_context/dynamic_background_context.install

<?php

/**
 * @file
 * Installation and update functions for this module.
 */

/**
 * Implements hook_uninstall().
 */
function dynamic_background_context_uninstall() {
  variable_del('dynamic_background_context_css');
  variable_del('dynamic_background_context_image_style');
}

/**
 * Update stored data to use the new database tables.
 */
function dynamic_background_context_update_7000() {
  $images = variable_get('dynamic_background_images', array());
  $result = db_select('context', 'c')
    ->fields('c', array(
    'reactions',
    'name',
  ))
    ->execute();
  foreach ($result as $row) {
    $new = array();
    $data = unserialize($row->reactions);
    if (isset($data['dynamic_background'])) {
      foreach ($data['dynamic_background'] as $id => $background) {

        // Create updated data structur for the context UI.
        $new[$images[$id]['fid']]['selected'] = $background['selected'];

        // Set active background for this context.
        if ($background['selected']) {
          dynamic_background_set_active($images[$id]['fid'], 'context', $row->name);
        }
      }

      // Update the context configuration.
      $data['dynamic_background'] = $new;

      // Write data back to the database.
      db_update('context')
        ->fields(array(
        'reactions' => serialize($data),
      ))
        ->condition('name', $row->name)
        ->execute();
    }
  }
  return FALSE;
}

Functions

Name	Description
dynamic_background_context_uninstall	Implements hook_uninstall().
dynamic_background_context_update_7000	Update stored data to use the new database tables.