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1. drupal
   1. drupal6

Implementation of hook_user().

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

Code

modules/block/block.module, line 381

<?php
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;
  }
}
?>