<?php

/**
 * Implements hook_enable().
 */
function devel_enable() {
  $t = get_t();

  // New module weights in core: put devel as the very last in the chain.
  db_update('system')
    ->fields(array(
      'weight' => 88,
    ))
    ->condition('type', 'module')
    ->condition('name', 'devel')
    ->execute();

  // Create a custom menu, if Menu module is enabled.
  // @see devel_modules_installed()
  if (module_exists('menu')) {
    $menu = array(
      'menu_name' => 'devel',
      'title' => $t('Development'),
      'description' => $t('Development link'),
    );
    menu_save($menu);
  }
}

/**
 * Implements hook_uninstall().
 */
function devel_uninstall() {
  variable_del('devel_execution');
  variable_del('devel_timer');
  variable_del('devel_query_display');
  variable_del('devel_redirect_page');
  variable_del('devel_api_url');
  variable_del('devel_memory');
  variable_del('devel_error_handlers');
  variable_del('devel_raw_names');
  variable_del('devel_switch_user_list_size');
  variable_del('devel_switch_user_include_anon');
  variable_del('devel_switch_user_show_form');
  variable_del('devel_krumo_skin');
  variable_del('devel_page_alter');
  variable_del('devel_query_sort');
  variable_del('devel_rebuild_theme_registry');
  variable_del('devel_use_uncompressed_jquery');
  variable_del('devel_debug_mail_file_format');
  variable_del('devel_debug_mail_directory');

  // Delete the development menu.
  if (module_exists('menu')) {
    if ($devel_menu = menu_load('devel')) {
      menu_delete($devel_menu);
    }
  }
}

/**
 * Remove feature for storing queries.
 *
 * Cleanup deprecated tables and variables.
 */
function devel_update_7000() {
  db_drop_table('devel_queries');
  db_drop_table('devel_times');
}

/**
 * Rebuild the menus since everything is defined by devel_menu().
 */
function devel_update_7001() {
  db_delete('menu_links')
    ->condition('module', 'devel')
    ->execute();
  variable_set('menu_rebuild_needed', TRUE);
  return t('Devel module menu links will be rebuilt.');
}

/**
 * Remove deprecated variables: dev_query, devel_code_coverage.
 */
function devel_update_7002() {
  variable_del('dev_query'); // Sad trombone. http://drupalcode.org/viewvc/drupal/drupal/includes/database.mysql.inc?revision=1.2&view=markup
  variable_del('devel_code_coverage');
}

/**
 * As per issue #813132: change schablon.com to white for krumo.
 */
function devel_update_7003() {
  if (variable_get('devel_krumo_skin', 'white') == 'schablon.com') {
    variable_set('devel_krumo_skin', 'white');
  }
}

/**
 * Convert devel_error_handler variable to devel_error_handlers array.
 */
function devel_update_7004() {
  define('DEVEL_ERROR_HANDLER_BACKTRACE_AND_MESSAGE', 3);

  $error_handler = variable_get('devel_error_handler', NULL);
  if (isset($error_handler)) {
    if ($error_handler == DEVEL_ERROR_HANDLER_BACKTRACE_AND_MESSAGE) {
      $error_handlers = array(DEVEL_ERROR_HANDLER_STANDARD, DEVEL_ERROR_HANDLER_BACKTRACE_KRUMO);
    }
    else {
      $error_handlers = array($error_handler);
    }
    variable_del('devel_error_handler');
    variable_set('devel_error_handlers', drupal_map_assoc($error_handlers));
  }
}

/**
 * Delete variable 'devel_form_weights'.
 *
 * 'devel_form_weights' was removed from code.
 */
function devel_update_7005() {
  variable_del('devel_form_weights');
}

/**
 * Change variable 'dev_mem' to 'devel_memory'.
 */
function devel_update_7006() {
  if (variable_get('dev_mem', NULL) !== NULL) {
    variable_set('devel_memory', variable_get('dev_mem'));
  }

  variable_del('dev_mem');
}

/**
 * Delete 'devel_xhprof_*' variables as they were removed from code.
 */
function devel_update_7007() {
  variable_del('devel_xhprof_directory');
  variable_del('devel_xhprof_enabled');
  variable_del('devel_xhprof_url');
}

/**
 * Change variable "dev_timer" to "devel_timer".
 */
function devel_update_7008() {
  if (variable_get('dev_timer') !== NULL) {
    variable_set('devel_timer', variable_get('dev_timer'));
  }

  variable_del('dev_timer');
}