EDIT

<?php

/**

 * @file

 * Install, update and uninstall functions for the cdm_dataportal module.

 */

/**

 * Implements hook_install().

 */

function cdm_dataportal_install() {

  db_update('system')

    ->fields(array(

      'weight' => 20,

    ))

    ->condition('name', 'cdm_dataportal')

    ->execute();

}

/**

 * Implements hook_uninstall().

 */

function cdm_dataportal_uninstall() {

  // Delete all nodes with a cdm content type from the node table.

  // Comment @WA: you also may want to delete these content types from the

  // node_type table.

  db_delete('node')

    ->condition('type', 'cdm_%')

    ->execute();

 * update functions:

 *

 * - 1 digit for Drupal core compatibility.

 * - 2 digits for sequential counting, starting with 00.

 * @see http://api.drupal.org/api/drupal/modules!system!system.api.php/function/hook_update_N/7

 */

 *  - reset edit_map_server variable to default

 */

   return _remove_variable('edit_map_server');

/**

 * update for RELEASE 3.1.4:

 *  - reset edit_map_server variable to default

function cdm_dataportal_update_7302() {

  return

  _rename_variable('cdm_dataportal_show_media', 'cdm_images_include_children');

/**

 * update for RELEASE 3.2.1:

 *  - adding missing permissions for role CDM Admin

 */

function cdm_dataportal_update_7303() {

  $role = user_role_load_by_name('CDM admin');

  if(!$role){

  }

  $tasks_performed = array();

  // permissions for node types

  $node_type_names = node_type_get_names();

  $types_to_update = array('page', 'story', 'article');

  foreach ($types_to_update as $name){

    if(in_array($name, $node_type_names)) {

      $node_type_permissions = array(

          'create ' . $name . ' content',

          'edit any ' . $name . ' content',

          'edit own ' . $name . ' content',

          'delete any ' . $name . ' content',

          'delete own ' . $name . ' content',

      );

      user_role_grant_permissions($role->rid, $node_type_permissions);

      $tasks_performed[] = "node type " . $name;

    }

  }

    $extlinks_permissions = array(

        'access extlinks content',

    user_role_grant_permissions($role->rid, $extlinks_permissions);

    $tasks_performed[] = 'permissions for extlinks';

  }

      $formats_permissions = array(

      user_role_grant_permissions($role->rid, $formats_permissions);

      $tasks_performed[] = 'use text format full_html';

    }

  }

  // assure  'create url aliases' can be set

  if(!module_exists('path')){

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

  $other_permissions = array(

      'create url aliases',

      'revert revisions',

  return "adding missing permissions for role CDM Admin: " . join(', ', $tasks_performed);

}

/**

 * update for RELEASE 3.2.2:

 *  - migrating variables for map settings

 */

function cdm_dataportal_update_7304() {

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

    if(!variable_get(CDM_TAXON_PROFILE_IMAGE, FALSE)){

      $cdm_taxon_profile_image_settings = unserialize(CDM_TAXON_PROFILE_IMAGE_DEFAULT);

      $cdm_taxon_profile_image_settings['show'] = variable_get('cdm_dataportal_show_default_image', 0);

      variable_set(CDM_TAXON_PROFILE_IMAGE, $cdm_taxon_profile_image_settings);

      variable_del('cdm_dataportal_show_default_image');

      $tasks_performed[] = 'migrating variable cdm_dataportal_show_default_image to cdm_taxon_profile_image[\'show\']';

    }

    // CDM web service debug block

    $cdm_ws_debug_block = array(

        'block' => array(

            'module' => 'cdm_api',

            'delta' => 'cdm_ws_debug',

            'theme' => NULL,

            'status' => 1,

            'weight' => -50,

            'region' => 'sidebar_first',

            'pages' => '',

            'cache' => -1,

        ),

    );

    $admin_user = user_load(1);

    // harmonize cdm admin role names if needed

    $cdm_admin_role = user_role_load_by_name('CDM Admin');

    if(is_object($cdm_admin_role) && $cdm_admin_role->name !== 'CDM admin'){

      $cdm_admin_role->name = 'CDM admin';

      user_role_save($cdm_admin_role);

      $tasks_performed[] = $cdm_admin_role->name . ' role name harmonized';

    }

    $cdm_admin_role = user_role_load_by_name('CDM admin');

    if(is_object($cdm_admin_role)) {

      // make sure admin is member of role CDM admin

      if (!isset($admin_user->roles[$admin_role->rid])) {

        user_multiple_role_edit(array(1), 'add_role', $cdm_admin_role->rid);

        $tasks_performed[] = 'admin user (uid=1) added to role ' . $cdm_admin_role->name;

      }

      $cdm_ws_debug_block['block_role'][] =  array(

        'module' => 'cdm_api',

        'delta' => 'cdm_ws_debug',

        'rid' => $cdm_admin_role->rid

      );

    }

    $admin_role = user_role_load_by_name("admin"); // Drupal 5

    if(is_object($admin_role)){

      $admin_role->name == 'administrator';

      user_role_save($admin_role);

      $tasks_performed[] = 'administrator role name harmonized';

    } else {

      $admin_role = user_role_load_by_name("administrator"); // Drupal 7

    }

    if(is_object($admin_role)){

      // make sure admin is member of role admin

      if (!isset($admin_user->roles[$admin_role->rid])) {

        user_multiple_role_edit(array(1), 'add_role', $admin_role->rid);

        $tasks_performed[] = 'admin user (uid=1) added to role ' . $admin_role->name;

      }

      $cdm_ws_debug_block['block_role'][] =  array(

          'module' => 'cdm_api',

          'delta' => 'cdm_ws_debug',

          'rid' => $admin_role->rid

      );

    // clean up existing block configuration which might be set by drupal automatically, we need to override this

    db_delete('block')->condition('module', 'cdm_api')->execute();

    db_delete('block_role')->condition('module', 'cdm_api')->execute();

    // insert

    $block_insert = db_insert('block')->fields(array('module', 'delta', 'theme', 'status', 'weight', 'region', 'pages', 'cache'));

    $block_role_insert = db_insert('block_role')->fields(array('module', 'delta', 'rid'));

    $themes = system_list('theme');

    foreach ($themes as $theme) {

      if($theme->status == "1"){ // only for enabled themes

        $cdm_ws_debug_block['block']['theme'] = $theme->name;

        $block_insert->values($cdm_ws_debug_block['block']);

      }

    }

    foreach($cdm_ws_debug_block['block_role'] as $block_role){

      $block_role_insert->values($block_role);

    }

    $block_insert->execute();

    $block_role_insert->execute();

    $tasks_performed[] = 'CDM web service debug block enabled for \'CDM admin\' users in all themes';

    /*

     *  migrating variables for map settings

     */

    $cdm_map_distribution = array();

    $cdm_map_distribution['width'] = variable_get('cdm_dataportal_geoservice_display_width', 390);

    $cdm_map_distribution['height'] = $cdm_map_distribution['width'] / 2;

    _remove_variable('cdm_dataportal_geoservice_display_width');

    $cdm_map_distribution['bbox'] = variable_get('cdm_dataportal_geoservice_bounding_box', '-180,-90,180,90');

    _remove_variable('cdm_dataportal_geoservice_bounding_box');

    $cdm_map_distribution['show_labels'] = variable_get('cdm_dataportal_geoservice_labels_on', FALSE);

    _remove_variable('cdm_dataportal_geoservice_labels_on');

    $cdm_map_distribution['caption'] = variable_get('cdm_dataportal_geoservice_map_caption', '');

    _remove_variable('cdm_dataportal_geoservice_map_caption');

    $cdm_map_distribution['distribution_opacity'] = variable_get('cdm_dataportal_geoservice_distributionOpacity', '0.5');

    _remove_variable('cdm_dataportal_geoservice_distributionOpacity');

    $cdm_map_distribution['mapType'] = variable_get('cdm_dataportal_map_openlayers', 1);

    _remove_variable('cdm_dataportal_map_openlayers');

    // imageMap

    $cdm_map_distribution['image_map'] = array();

    $cdm_map_distribution['image_map']['base_layer']= variable_get('map_base_layer', 'cyprusdivs');

    _remove_variable('map_base_layer');

    $cdm_map_distribution['image_map']['bg_color'] = variable_get('map_bg_color', '1874CD');

    _remove_variable('map_bg_color');

    $cdm_map_distribution['image_map']['layer_style'] = variable_get('map_base_layer_style', 'ffffff,606060,,');

    _remove_variable('map_base_layer_style');

    // OpenLayers

    $cdm_map_distribution['openlayers'] = array();

    $cdm_map_distribution['openlayers']['base_layers'] = variable_get('baselayers', array('osgeo_vmap0' => 'osgeo_vmap0', 'PREFERRED' => 'osgeo_vmap0'));

    _remove_variable('baselayers');

    $cdm_map_distribution['openlayers']['show_layer_switcher'] = variable_get('cdm_dataportal_geoservice_showLayerSwitcher', TRUE);

    _remove_variable('cdm_dataportal_geoservice_showLayerSwitcher');

    $cdm_map_distribution['legend'] = array();

    $cdm_map_distribution['legend']['show'] = variable_get('cdm_dataportal_geoservice_legend_on', TRUE);

    _remove_variable('cdm_dataportal_geoservice_legend_on');

    $cdm_map_distribution['legend']['opacity'] = variable_get('cdm_dataportal_geoservice_legendOpacity', '0.5');

    _remove_variable('cdm_dataportal_geoservice_legendOpacity');

    $cdm_map_distribution['legend']['font_size'] = variable_get('cdm_dataportal_geoservice_legend_font_size', 10);

    _remove_variable('cdm_dataportal_geoservice_legend_font_size');

    $cdm_map_distribution['legend']['font_style'] = variable_get('cdm_dataportal_geoservice_legend_font_style', FALSE);

    _remove_variable('cdm_dataportal_geoservice_legend_font_style');

    $cdm_map_distribution['legend']['icon_width'] = variable_get('cdm_dataportal_geoservice_legend_icon_width', 35);

    _remove_variable('cdm_dataportal_geoservice_legend_icon_width');

    $cdm_map_distribution['legend']['icon_height'] = variable_get('cdm_dataportal_geoservice_legend_icon_height', 15);

    _remove_variable('cdm_dataportal_geoservice_legend_icon_height');

    variable_set('cdm_map_distribution', $cdm_map_distribution);

}

/**

 * Renames a persistent variable.

 *

 *   A message string of the performed operation.

 */

function _rename_variable($old_name, $new_name) {

  $success = FALSE;

  $value = variable_get($old_name, FALSE);

  variable_del($old_name);

  if ($value !== FALSE) {

    variable_set($new_name, $value);

    $success = variable_get($new_name, FALSE) === $value;

  }

  else {

    $success = TRUE;

  return "Variable '$old_name' to '$new_name' renamed. ";

}

/**

 * Unsets a persistent variable.

 *

 * Calls variable_del() and returns a message string.

 *

 *   A message string of the performed operation.

 */

  return "Variable '$name' removed. ";

}

/**

 * Sets a persistent variable.

 *

 * Calls variable_set() and returns a message string.

 *

 *   A message string of the performed operation.

 */

  return "Variable '$name' created with value: '$value'. ";

}

/**

 * Overwrites a persistent variable.

 *

 * Calls _create_variable() and returns a message string.

 *

 *   A message string of the performed operation.

 */

function _modify_variable($name, $value_override) {

  /*

   * FIXME take care for correct handling of tree variables

   * for example description_gallery contains the array:

   * Array

   (

   [cdm_dataportal_show_thumbnail_captions] => 1

   [cdm_dataportal_media_maxextend] => 120

   [cdm_dataportal_media_cols] => 4

   )

   * -----> solutions merge arrays !!!

   */

}