quiz_ddlines.install in Quiz 8.4

Sponsored by: Senter for IKT i utdanningen Code: paalj

Drag and drop Install (a quiz question type)

File

question_types/quiz_ddlines/quiz_ddlines.install

<?php

/**
 * Sponsored by: Senter for IKT i utdanningen
 * Code: paalj
 *
 * @file
 * Drag and drop Install (a quiz question type)
 */

/**
 * Implements hook_install().
 */
function quiz_ddlines_install() {
  entity_info_cache_clear();
}

/**
 * Implements hook_schema().
 */
function quiz_ddlines_schema() {
  $schema['quiz_ddlines_node'] = array(
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'feedback_enabled' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'hotspot_radius' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 10,
      ),
      'ddlines_elements' => array(
        'type' => 'text',
      ),
      'execution_mode' => array(
        'type' => 'int',
        'description' => "Execution mode. 0->with lines, 1->without lines",
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
    ),
    'foreign keys' => array(
      'node' => array(
        'table' => 'node',
        'columns' => array(
          'nid' => 'nid',
        ),
      ),
    ),
    'primary key' => array(
      'vid',
      'nid',
    ),
  );

  // Place to store user answers
  $schema['quiz_ddlines_user_answers'] = array(
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'result_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'question_nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'question_vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'primary key' => array(
      'id',
    ),
    'indexes' => array(
      'answer_id' => array(
        'result_id',
        'question_nid',
        'question_vid',
      ),
    ),
  );
  $schema['quiz_ddlines_user_answer_multi'] = array(
    'fields' => array(
      'user_answer_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'hotspot_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'label_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
    ),
    'foreign keys' => array(
      'answer_id' => array(
        'table' => 'quiz_ddlines_user_answers',
        'columns' => array(
          'user_answer_id' => 'id',
        ),
      ),
    ),
    'indexes' => array(
      'answer_id' => array(
        'user_answer_id',
      ),
    ),
  );
  return $schema;
}

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

  // Delete instance:
  $field_instance = \Drupal\field\Field::fieldInfo()
    ->getInstance('node', 'field_image', 'quiz_ddlines');
  if ($field_instance) {
    $field_instance
      ->delete();
  }

  // Purge field data now to allow taxonomy and options module to be uninstalled
  // if this is the only field remaining. We need to run it twice because
  // field_purge_batch() will not remove the instance and the field in the same
  // pass.
  field_purge_batch(10);
  field_purge_batch(10);
  drupal_set_message(t("The Quiz drag and drop module has been uninstalled. Nodes of this type may still exist, but they will not function properly."));
}

/**
 * Adding Execution mode column. Makes it possible to
 * run the test in two different modes.
 */
function quiz_ddlines_update_7401() {

  // Add field for execution mode
  $spec = array(
    'type' => 'int',
    'description' => "Execution mode. 0->with lines, 1->without lines",
    'not null' => TRUE,
    'unsigned' => TRUE,
    'default' => 0,
  );
  db_add_field('quiz_ddlines_node', 'execution_mode', $spec);
}

Functions

Name	Description
quiz_ddlines_install	Implements hook_install().
quiz_ddlines_schema	Implements hook_schema().
quiz_ddlines_uninstall	Implements hook_uninstall().
quiz_ddlines_update_7401	Adding Execution mode column. Makes it possible to run the test in two different modes.