function flag_lists_form_alter in Flag Lists 7

Same name and namespace in other branches

1. 8 flag_lists.module \flag_lists_form_alter()
2. 6 flag_lists.module \flag_lists_form_alter()
3. 7.3 flag_lists.module \flag_lists_form_alter()
4. 4.0.x flag_lists.module \flag_lists_form_alter()

Implementation of hook_form_alter().

File

./flag_lists.module, line 279

The Flag Lists module.

Code

function flag_lists_form_alter(&$form, &$form_state, $form_id) {
  switch ($form_id) {
    case 'flag_form':

      // A template flag should always have a record in the flag_lists_types table.
      $result = db_select('flag_lists_types', 'f')
        ->fields('f')
        ->execute();
      foreach ($result as $type) {
        $types[$type->name] = $type->type;
      }
      if (isset($types[$form['name']['#default_value']])) {
        $form['name']['#type'] = 'value';
        $form['global']['#type'] = 'value';
        $form['title']['#description'] = t('A short, descriptive title for this template. It will be used in administrative interfaces to refer to this template.');

        // Warn about types that already have a template.
        foreach ($form['access']['types']['#options'] as $option => $value) {
          if (in_array($option, $types) && $form['access']['types']['#default_value'] != $option) {
            $form['access']['types']['#options'][$option] .= '<span class="description">' . t('(Already has a template.)') . '</span>';
          }
        }
        $form['access']['types']['#description'] .= t('A type may only be selected in one list template.');

        // Unset anon permissions for now. @todo allow anon listing.
        unset($form['access']['roles']['flag']['#options'][1]);
        unset($form['access']['roles']['unflag']['#options'][1]);
        foreach (element_children($form['display']) as $display) {
          $form['display'][$display]['#type'] = 'value';
        }
        $form['display']['link_type']['#default_value'] = 'fl_template';
        $form['display']['#description'] = t('Unlike normal flags, lists are only displayed in a block provided by this module or in views blocks. See <a href="/admin/build/block/list">the block admin page</a> to place the block.');
        $form['#validate'][] = 'flag_lists_template_validate';
        $form['#submit'][] = 'flag_lists_template_submit';
      }
      break;
    case 'views_exposed_form':

      // Force the exposed filters to perform actions on the page itself because
      // the views default viwe didn't come with a page display
      if ($form['#id'] == 'views-exposed-form-flag-lists-default') {
        $form['#action'] = '/' . implode('/', arg());
      }
      break;
  }

  // Flag lists operations related changes
  if (strpos($form_id, 'views_form_') === 0) {
    $flo = _flag_lists_ops_get_field($form_state['build_info']['args'][0]);

    // Not a FLO-enabled views form.
    if (empty($flo)) {
      return;
    }

    // Add FLO's custom callbacks.
    $form['#validate'][] = 'flag_lists_ops_form_validate';
    $form['#submit'][] = 'flag_lists_ops_form_submit';

    // Allow FLO to work when embedded using views_embed_view(), or in a block.
    if (empty($flo->view->override_path)) {
      if (!empty($flo->view->preview) || $flo->view->display_handler instanceof views_plugin_display_block) {
        $flo->view->override_path = $_GET['q'];
      }
    }

    // Quickfix for FLO & exposed filters using ajax. See http://drupal.org/node/1191928.
    $query = drupal_get_query_parameters($_GET, array(
      'q',
    ));
    $form['#action'] = url($flo->view
      ->get_url(), array(
      'query' => $query,
    ));

    // Add basic FLO functionality.
    if ($form_state['step'] == 'views_form_views_form') {
      $form = flag_lists_ops_form($form, $form_state, $flo);
    }
  }
}