<?php


/**
 * @file dhtml_menu.install
 * Installation and update functions for the DHTML Menu module.
 */

/**
 * Default settings storage.
 */
function _dhtml_menu_defaults() {
  return array(
    'nav' => 'open',
    'animation' => array(
      'effects' => array(
        'height' => 'height',
        'opacity' => 'opacity',
      ),
      'speed' => 500,
    ),
    'effects' => array(
      'siblings' => 'close-same-tree',
      'children' => 'none',
      'remember' => 0,
    ),
    'filter' => array(
      'type' => 'blacklist',
      'list' => array(),
    ),
  );
}

/**
 * Implementation of hook_enable().
 */
function dhtml_menu_enable() {
  drupal_set_message(t('<em>DHTML Menu</em> offers a wide range of customization options. If you wish to change them, please visit the <a href="@url">configuration page</a>.', array('@url' => url('admin/config/user-interface/dhtml_menu'))), 'warning');
}

/**
 * Implementation of hook_install().
 * This will create our system variable defaults.
 * The benefit is that we do not need to pass defaults
 * to variable_get(), which allows centralization of defaults.
 */
function dhtml_menu_install() {
  variable_set('dhtml_menu_settings', _dhtml_menu_defaults());
}

/**
 * Implementation of hook_uninstall().
 * Only clears our variables, so a fresh installation can repopulate them.
 */
function dhtml_menu_uninstall() {
  // Settings.
  variable_del('dhtml_menu_settings');
}

/**
 * #6000: 6.x-2.x upgrade. Custom blocks are gone, using preprocess instead.
 * - Fixing a variable typo in dhtml_menus_menus.
 * - Restore normal menu blocks.
 * - Setting dhtml_menu_menus to its initial settings.
 */
function dhtml_menu_update_6000() {
  variable_del('dhtml_menus_menus');

  $res = db_query("SELECT delta, theme, weight, region, custom, throttle, visibility, pages, title FROM {blocks} WHERE status AND module = '%s'", 'dhtml_menu');
  while ($row = db_fetch_array($res)) {
    if ($row['delta'] == 1) {
      $module = 'user';
    }
    else {
      $module = 'menu';
    }
    db_query("UPDATE {blocks} SET status = 1, weight = %d, region = '%s', custom = %d, throttle = %d, visibility = %d, pages = '%s', title = '%s' WHERE module = '%s' AND delta = '%s' AND theme = '%s'", $row['weight'], $row['region'], $row['custom'], $row['throttle'], $row['visibility'], $row['pages'], $row['title'], $module, $row['delta'], $row['theme']);
  }

  variable_set('dhtml_menu_menus', array('navigation' => 1, 'primary-links' => 1, 'secondary-links' => 1));
  return array();
}

/**
 * #6001: 6.x-2.1 upgrade. A two-dimensional array is now used for these settings, indexing by module and block delta.
 */
function dhtml_menu_update_6001() {
  variable_set('dhtml_menu_menus', array('user' => array(1 => TRUE), 'menu' => array('primary-links' => TRUE, 'secondary-links' => TRUE)));
  return array();
}

/**
 * #6002: 6.x-3.x upgrade. All existing variables are obsolete.
 */
function dhtml_menu_update_6002() {
  $s['slide'] = variable_get('dhtml_menu_use_effects', FALSE);
  $s['siblings'] = variable_get('dhtml_menu_hide_siblings', FALSE);
  // don't confuse people by removing this functionality.
  $s['doubleclick'] = TRUE;
  // add this new functionality.
  $s['clone'] = TRUE;

  // These settings are no longer needed.
  variable_del('dhtml_menu_use_effects');
  variable_del('dhtml_menu_hide_siblings');
  variable_del('dhtml_menu_duplicated');
  variable_del('dhtml_menu_menus');

  $var = array();
  foreach ($s as $setting => $value) {
    if ($value) {
      $var[] = $setting;
    }
  }

  // Store new settings.
  variable_set('dhtml_menu_effects', $var);

  // Rebuild theme registry now that our theme functions got added.
  drupal_rebuild_theme_registry();
  return array();
}

/**
 * #7101: 7.x-1.x-dev upgrade (duplicated in 6.x-3.x). Remove two obsolete variables and rebuild all themes.
 */
function dhtml_menu_update_7101() {
  variable_del('dhtml_menu_theme_menu_item');
  variable_del('dhtml_menu_theme_menu_item_link');

  drupal_theme_rebuild();
  return array();
}

/**
 * #7102: Consolidate variables into one settings array.
 */
function dhtml_menu_update_7102() {
  $defaults = _dhtml_menu_defaults();

  // As the settings have moved, read them individually.
  $settings['nav'] = variable_get('dhtml_menu_nav', $defaults['nav']);
  $settings['animation'] = array(
    'effects' => variable_get('dhtml_menu_animations', $defaults['animation']['effects']),
    'speed' => variable_get('dhtml_menu_speed', $defaults['animation']['speed']),
  );
  $settings['effects'] = array(
    'siblings' => variable_get('dhtml_menu_siblings', $defaults['effects']['siblings']),
    'children' => variable_get('dhtml_menu_children', $defaults['effects']['children']),
    // Entirely new setting.
    'remember' => $defaults['effects']['remember'],
  );

  $settings['filter']['list'] = variable_get('dhtml_menu_disabled', array());

  // Write the consolidated settings.
  variable_set("dhtml_menu_settings", $settings);

  // Clear the old settings.
  foreach (array('nav', 'siblings', 'children', 'animations', 'speed', 'disabled') as $key) {
    variable_del("dhtml_menu_$key");
  }
  return array();
}

/**
 * #7103: Rename "pseudo-child" to "clone".
 */
function dhtml_menu_update_7103() {
  $settings = variable_get('dhtml_menu_settings');
  if ($settings['nav'] == 'pseudo-child') {
    $settings['nav'] = 'clone';
    variable_set('dhtml_menu_settings', $settings);
  }
  return array();
}

/**
 * #7104: Theme registry interceptor is dead.
 */
function dhtml_menu_update_7104() {
  variable_del('dhtml_menu_theme');
}

/**
 * #7105: Ensure that 'Filter type' is set.
 */
function dhtml_menu_update_7105() {
  $settings = variable_get('dhtml_menu_settings');
  if (!isset($settings['filter']['type'])) {
    $settings['filter']['type'] = 'blacklist';
    variable_set('dhtml_menu_settings', $settings);
  }
}