protected function default_display_filters_user($form, $form_state)
 {
     $filters = array();
     if (!empty($form_state['values']['show']['type']) && $form_state['values']['show']['type'] != 'all') {
         $bundle_key = $this->entity_info['bundle keys']['bundle'];
         // Figure out the table where $bundle_key lives. It may not be the same as
         // the base table for the view; the taxonomy vocabulary machine_name, for
         // example, is stored in taxonomy_vocabulary, not taxonomy_term_data.
         $fields = views_fetch_fields($this->base_table, 'filter');
         if (isset($fields[$this->base_table . '.' . $bundle_key])) {
             $table = $this->base_table;
         } else {
             foreach ($fields as $field_name => $value) {
                 if ($pos = strpos($field_name, '.' . $bundle_key)) {
                     $table = substr($field_name, 0, $pos);
                     break;
                 }
             }
         }
         $table_data = views_fetch_data($table);
         // Check whether the bundle key filter handler is or an child of it views_handler_filter_in_operator
         // If it's not just use a single value instead of an array.
         $handler = $table_data[$bundle_key]['filter']['handler'];
         if ($handler == 'views_handler_filter_in_operator' || is_subclass_of($handler, 'views_handler_filter_in_operator')) {
             $value = drupal_map_assoc(array($form_state['values']['show']['type']));
         } else {
             $value = $form_state['values']['show']['type'];
         }
         $filters[$bundle_key] = array('id' => $bundle_key, 'table' => $table, 'field' => $bundle_key, 'value' => $value);
     }
     // @todo: Figure out why this isn't part of node_views_wizard.
     if (!empty($form_state['values']['show']['tagged_with']['tids'])) {
         $filters['tid'] = array('id' => 'tid', 'table' => 'taxonomy_index', 'field' => 'tid', 'value' => $form_state['values']['show']['tagged_with']['tids'], 'vocabulary' => $form_state['values']['show']['tagged_with']['vocabulary']);
         // If the user entered more than one valid term in the autocomplete
         // field, they probably intended both of them to be applied.
         if (count($form_state['values']['show']['tagged_with']['tids']) > 1) {
             $filters['tid']['operator'] = 'and';
             // Sort the terms so the filter will be displayed as it normally would
             // on the edit screen.
             sort($filters['tid']['value']);
         }
     }
     return $filters;
 }
  protected function default_display_filters_user($form, $form_state) {
    $filters = array();

    if (!empty($form_state['values']['show']['type']) && $form_state['values']['show']['type'] != 'all') {
      $bundle_key = $this->entity_info['bundle keys']['bundle'];
      // Figure out the table where $bundle_key lives. It may not be the same as
      // the base table for the view; the taxonomy vocabulary machine_name, for
      // example, is stored in taxonomy_vocabulary, not taxonomy_term_data.
      $fields = views_fetch_fields($this->base_table, 'filter');
      if (isset($fields[$this->base_table . '.' . $bundle_key])) {
        $table = $this->base_table;
      }
      else {
        foreach ($fields as $field_name => $value) {
          if ($pos = strpos($field_name, '.' . $bundle_key)) {
            $table = substr($field_name, 0, $pos);
            break;
          }
        }
      }
      $filters[$bundle_key] = array(
        'id' => $bundle_key,
        'table' => $table,
        'field' => $bundle_key,
        'value' => drupal_map_assoc(array($form_state['values']['show']['type'])),
      );
    }
    if (!empty($form_state['values']['show']['tagged_with']['tids'])) {
      $filters['tid'] = array(
        'id' => 'tid',
        'table' => 'taxonomy_index',
        'field' => 'tid',
        'value' => $form_state['values']['show']['tagged_with']['tids'],
        'vocabulary' => $form_state['values']['show']['tagged_with']['vocabulary'],
      );
      // If the user entered more than one valid term in the autocomplete
      // field, they probably intended both of them to be applied.
      if (count($form_state['values']['show']['tagged_with']['tids']) > 1) {
        $filters['tid']['operator'] = 'and';
        // Sort the terms so the filter will be displayed as it normally would
        // on the edit screen.
        sort($filters['tid']['value']);
      }
    }

    return $filters;
  }
 /**
  * Build the part of the form that allows the user to select the view's filters.
  *
  * By default, this adds "of type" and "tagged with" filters (when they are
  * available).
  */
 protected function build_filters(&$form, &$form_state)
 {
     // Find all the fields we are allowed to filter by.
     $fields = views_fetch_fields($this->base_table, 'filter');
     $entity_info = $this->entity_info;
     // If the current base table support bundles and has more than one (like user).
     if (isset($entity_info['bundle keys']) && isset($entity_info['bundles'])) {
         // Get all bundles and their human readable names.
         $options = array('all' => t('All'));
         foreach ($entity_info['bundles'] as $type => $bundle) {
             $options[$type] = $bundle['label'];
         }
         $form['displays']['show']['type'] = array('#type' => 'select', '#title' => t('of type'), '#options' => $options);
         $selected_bundle = views_ui_get_selected($form_state, array('show', 'type'), 'all', $form['displays']['show']['type']);
         $form['displays']['show']['type']['#default_value'] = $selected_bundle;
         // Changing this dropdown updates the entire content of $form['displays']
         // via AJAX, since each bundle might have entirely different fields
         // attached to it, etc.
         views_ui_add_ajax_trigger($form['displays']['show'], 'type', array('displays'));
     }
     // Check if we are allowed to filter by taxonomy, and if so, add the
     // "tagged with" filter to the view.
     //
     // We construct this filter using taxonomy_index.tid (which limits the
     // filtering to a specific vocabulary) rather than taxonomy_term_data.name
     // (which matches terms in any vocabulary). This is because it is a more
     // commonly-used filter that works better with the autocomplete UI, and
     // also to avoid confusion with other vocabularies on the site that may
     // have terms with the same name but are not used for free tagging.
     //
     // The downside is that if there *is* more than one vocabulary on the site
     // that is used for free tagging, the wizard will only be able to make the
     // "tagged with" filter apply to one of them (see below for the method it
     // uses to choose).
     if (isset($fields['taxonomy_index.tid'])) {
         // Check if this view will be displaying fieldable entities.
         if (!empty($entity_info['fieldable'])) {
             // Find all "tag-like" taxonomy fields associated with the view's
             // entities. If a particular entity type (i.e., bundle) has been
             // selected above, then we only search for taxonomy fields associated
             // with that bundle. Otherwise, we use all bundles.
             $bundles = array_keys($entity_info['bundles']);
             // Double check that this is a real bundle before using it (since above
             // we added a dummy option 'all' to the bundle list on the form).
             if (isset($selected_bundle) && in_array($selected_bundle, $bundles)) {
                 $bundles = array($selected_bundle);
             }
             $tag_fields = array();
             foreach ($bundles as $bundle) {
                 foreach (field_info_instances($this->entity_type, $bundle) as $instance) {
                     // We define "tag-like" taxonomy fields as ones that use the
                     // "Autocomplete term widget (tagging)" widget.
                     if ($instance['widget']['type'] == 'taxonomy_autocomplete') {
                         $tag_fields[] = $instance['field_name'];
                     }
                 }
             }
             $tag_fields = array_unique($tag_fields);
             if (!empty($tag_fields)) {
                 // If there is more than one "tag-like" taxonomy field available to
                 // the view, we can only make our filter apply to one of them (as
                 // described above). We choose 'field_tags' if it is available, since
                 // that is created by the Standard install profile in core and also
                 // commonly used by contrib modules; thus, it is most likely to be
                 // associated with the "main" free-tagging vocabulary on the site.
                 if (in_array('field_tags', $tag_fields)) {
                     $tag_field_name = 'field_tags';
                 } else {
                     $tag_field_name = reset($tag_fields);
                 }
                 // Add the autocomplete textfield to the wizard.
                 $form['displays']['show']['tagged_with'] = array('#type' => 'textfield', '#title' => t('tagged with'), '#autocomplete_path' => 'taxonomy/autocomplete/' . $tag_field_name, '#size' => 30, '#maxlength' => 1024, '#field_name' => $tag_field_name, '#element_validate' => array('views_ui_taxonomy_autocomplete_validate'));
             }
         }
     }
 }