function block_user in Drupal 6

Same name and namespace in other branches

1. 4 modules/block.module \block_user()
2. 5 modules/block/block.module \block_user()

Implementation of hook_user().

Allow users to decide which custom blocks to display when they visit the site.

File

modules/block/block.module, line 408

Controls the boxes that are displayed around the main content.

Code

function block_user($type, $edit, &$account, $category = NULL) {
  switch ($type) {
    case 'form':
      if ($category == 'account') {
        $rids = array_keys($account->roles);
        $result = db_query("SELECT DISTINCT b.* FROM {blocks} b LEFT JOIN {blocks_roles} r ON b.module = r.module AND b.delta = r.delta WHERE b.status = 1 AND b.custom != 0 AND (r.rid IN (" . db_placeholders($rids) . ") OR r.rid IS NULL) ORDER BY b.weight, b.module", $rids);
        $form['block'] = array(
          '#type' => 'fieldset',
          '#title' => t('Block configuration'),
          '#weight' => 3,
          '#collapsible' => TRUE,
          '#tree' => TRUE,
        );
        while ($block = db_fetch_object($result)) {
          $data = module_invoke($block->module, 'block', 'list');
          if ($data[$block->delta]['info']) {
            $return = TRUE;
            $form['block'][$block->module][$block->delta] = array(
              '#type' => 'checkbox',
              '#title' => check_plain($data[$block->delta]['info']),
              '#default_value' => isset($account->block[$block->module][$block->delta]) ? $account->block[$block->module][$block->delta] : $block->custom == 1,
            );
          }
        }
        if (!empty($return)) {
          return $form;
        }
      }
      break;
    case 'validate':
      if (empty($edit['block'])) {
        $edit['block'] = array();
      }
      return $edit;
  }
}