tripal/tripal_ds/tripal_ds.install

<?php
/**
 * @file
 * Fieldgroup module install file.
 */

/**
 * Implements hook_schema().
 */
function tripal_ds_schema() {
  $schema['tripal_ds'] = array(
    'description' => t('Table that contains the Tripal Pane fieldsets.'),

    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'The primary identifier for a group',
        'no export' => TRUE,
      ),
      'tripal_ds_field_label' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The label of this Tripal Pane.',
      ),
      'tripal_ds_field_name' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The name of this Tripal Pane.',
      ),
      'bundle' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => ''
      ),
      'weight' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 1,
      ),
    ),
    'primary key' => array('id'),
  );
  return $schema;
}


/**
 * Implements hook_disable().
 */
function tripal_ds_disable(){
  //Check if any tripal panes currently exist.
  //Grab all the bundles to cycle through them.
  $entities_with_tripal_panes = array();
  $bundles = db_select('tripal_bundle', 'tb')
    ->fields('tb')
    ->execute()
    ->fetchAll();
  foreach($bundles as $bundles => $bundle){
    $field_groups = field_group_info_groups('TripalEntity', $bundle->name);
    foreach($field_groups['default'] as $field_names => $field_name){
      if($field_name->format_type == 'tripalpane'){
        array_push($entities_with_tripal_panes, $bundle->label);
        continue 2;
      }
    }
  }

  $output = 'You have disabled the Tripal DS module but Tripal Panes were found in the following Content Types: ';
  $output .= '<ul>';
  foreach ($entities_with_tripal_panes as $item) {
    $output .= '<li> ' . $item . '</li>';
  }
  $output .= '</ul>';
  if(!empty($entities_with_tripal_panes)){
    drupal_set_message($output, 'warning');
  }
}

/**
 * Add a weight column to the tripal_ds table.
 */
function tripal_ds_update_7300() {
  try {
    db_add_field('tripal_ds', 'weight', array(
      'type' => 'int',
      'not null' => TRUE,
      'default' => 1,
    ));
  }
  catch (\PDOException $e) {
    $transaction->rollback();
    $error = $e->getMessage();
    throw new DrupalUpdateException('Could not perform update: '. $error);
  }
}