Club Drupal

<?php

/**

 * @file

 * Contains install and update functions for ctools.

 */

/**

 * Use requirements to ensure that the CTools CSS cache directory can be

 * created and that the PHP version requirement is met.

 */

function ctools_requirements($phase) {

  $requirements = array();

  if ($phase == 'runtime') {

    $requirements['ctools_css_cache'] = array(

      'title' => t('CTools CSS Cache'),

      'severity' => REQUIREMENT_OK,

      'value' => t('Exists'),

    );

    $path = 'public://ctools/css';

    if (!file_prepare_directory($path, FILE_CREATE_DIRECTORY)) {

      $requirements['ctools_css_cache']['description'] = t('The CTools CSS cache directory, %path could not be created due to a misconfigured files directory. Please ensure that the files directory is correctly configured and that the webserver has permission to create directories.', array('%path' => file_uri_target($path)));

      $requirements['ctools_css_cache']['severity'] = REQUIREMENT_ERROR;

      $requirements['ctools_css_cache']['value'] = t('Unable to create');

    }

    if (!function_exists('error_get_last')) {

      $requirements['ctools_php_52']['title'] = t('CTools PHP requirements');

      $requirements['ctools_php_52']['description'] = t('CTools requires certain features only available in PHP 5.2.0 or higher.');

      $requirements['ctools_php_52']['severity'] = REQUIREMENT_WARNING;

      $requirements['ctools_php_52']['value'] = t('PHP !version', array('!version' => phpversion()));

    }

  }

  return $requirements;

}

/**

 * Implements hook_schema().

 */

function ctools_schema() {

  return ctools_schema_3();

}

/**

 * Version 3 of the CTools schema.

 */

function ctools_schema_3() {

  $schema = ctools_schema_2();

  // update the 'obj' field to be 128 bytes long:

  $schema['ctools_object_cache']['fields']['obj']['length'] = 128;

  return $schema;

}

/**

 * Version 2 of the CTools schema.

 */

function ctools_schema_2() {

  $schema = ctools_schema_1();

  // update the 'name' field to be 128 bytes long:

  $schema['ctools_object_cache']['fields']['name']['length'] = 128;

  // Update the 'data' field to be type 'blob'.

  $schema['ctools_object_cache']['fields']['data'] = array(

    'type' => 'blob',

    'size' => 'big',

    'description' => 'Serialized data being stored.',

    'serialize' => TRUE,

  );

  // DO NOT MODIFY THIS TABLE -- this definition is used to create the table.

  // Changes to this table must be made in schema_3 or higher.

  $schema['ctools_css_cache'] = array(

    'description' => 'A special cache used to store CSS that must be non-volatile.',

    'fields' => array(

      'cid' => array(

        'type' => 'varchar',

        'length' => '128',

        'description' => 'The CSS ID this cache object belongs to.',

        'not null' => TRUE,

      ),

      'filename' => array(

        'type' => 'varchar',

        'length' => '255',

        'description' => 'The filename this CSS is stored in.',

      ),

      'css' => array(

        'type' => 'text',

        'size' => 'big',

        'description' => 'CSS being stored.',

        'serialize' => TRUE,

      ),

      'filter' => array(

         'type' => 'int',

         'size' => 'tiny',

         'description' => 'Whether or not this CSS needs to be filtered.',

       ),

    ),

    'primary key' => array('cid'),

  );

  return $schema;

}

/**

 * CTools' initial schema; separated for the purposes of updates.

 *

 * DO NOT MAKE CHANGES HERE. This schema version is locked.

 */

function ctools_schema_1() {

  $schema['ctools_object_cache'] = array(

    'description' => t('A special cache used to store objects that are being edited; it serves to save state in an ordinarily stateless environment.'),

    'fields' => array(

      'sid' => array(

        'type' => 'varchar',

        'length' => '64',

        'not null' => TRUE,

        'description' => 'The session ID this cache object belongs to.',

      ),

      'name' => array(

        'type' => 'varchar',

        'length' => '32',

        'not null' => TRUE,

        'description' => 'The name of the object this cache is attached to.',

      ),

      'obj' => array(

        'type' => 'varchar',

        'length' => '32',

        'not null' => TRUE,

        'description' => 'The type of the object this cache is attached to; this essentially represents the owner so that several sub-systems can use this cache.',

      ),

      'updated' => array(

        'type' => 'int',

        'unsigned' => TRUE,

        'not null' => TRUE,

        'default' => 0,

        'description' => 'The time this cache was created or updated.',

      ),

      'data' => array(

        'type' => 'text',

        'size' => 'big',

        'description' => 'Serialized data being stored.',

        'serialize' => TRUE,

      ),

    ),

    'primary key' => array('sid', 'obj', 'name'),

    'indexes' => array('updated' => array('updated')),

  );

  return $schema;

}

/**

 * Implements hook_install().

 */

function ctools_install() {

  // Activate our custom cache handler for the CSS cache.

  variable_set('cache_class_cache_ctools_css', 'CToolsCssCache');

}

/**

 * Implements hook_uninstall().

 */

function ctools_uninstall() {

  variable_del('cache_class_cache_ctools_css');

}

/**

 * Enlarge the ctools_object_cache.name column to prevent truncation and weird

 * errors.

 */

function ctools_update_6001() {

  // Perform updates like this to reduce code duplication.

  $schema = ctools_schema_2();

  db_change_field('ctools_object_cache', 'name', 'name', $schema['ctools_object_cache']['fields']['name']);

}

/**

 * Add the new css cache table.

 */

function ctools_update_6002() {

  // Schema 2 is locked and should not be changed.

  $schema = ctools_schema_2();

  db_create_table('ctools_css_cache', $schema['ctools_css_cache']);

}

/**

 * Take over for the panels_views module if it was on.

 */

function ctools_update_6003() {

  $result = db_query('SELECT status FROM {system} WHERE name = :name', array(':name' => 'panels_views'))->fetchField();

  if ($result) {

    db_delete('system')->condition('name', 'panels_views')->execute();

    module_enable(array('views_content'), TRUE);

 }

}

/**

 * Add primary key to the ctools_object_cache table.

 */

function ctools_update_6004() {

  db_add_primary_key('ctools_object_cache', array('sid', 'obj', 'name'));

  db_drop_index('ctools_object_cache', 'sid_obj_name');

}

/**

 * Removed update.

 */

function ctools_update_6005() {

  return array();

}

/**

 * ctools_custom_content table was originally here, but is now moved to

 * its own module.

 */

function ctools_update_6007() {

  $ret = array();

  if (db_table_exists('ctools_custom_content')) {

    // Enable the module to make everything as seamless as possible.

    module_enable(array('ctools_custom_content'), TRUE);

  }

  return $ret;

}

/**

 * ctools_object_cache needs to be defined as a blob.

 */

function ctools_update_6008() {

  db_delete('ctools_object_cache')

    ->execute();

  db_change_field('ctools_object_cache', 'data', 'data', array(

      'type' => 'blob',

      'size' => 'big',

      'description' => 'Serialized data being stored.',

      'serialize' => TRUE,

    )

  );

}

/**

 * Enable the custom CSS cache handler.

 */

function ctools_update_7000() {

  variable_set('cache_class_cache_ctools_css', 'CToolsCssCache');

}

/**

 * Increase the length of the ctools_object_cache.obj column.

 */

function ctools_update_7001() {

  db_change_field('ctools_object_cache', 'obj', 'obj', array(

    'type' => 'varchar',

    'length' => '128',

    'not null' => TRUE,

    'description' => 'The type of the object this cache is attached to; this essentially represents the owner so that several sub-systems can use this cache.',

  ));

}