function views_exposed_form

Form builder for the exposed widgets form.

Be sure that $view and $display are references.

File

./views.module, line 2117

Code

function views_exposed_form($form, &$form_state) {
  // Make sure that we validate because this form might be submitted
  // multiple times per page.
  $form_state['must_validate'] = TRUE;
  $view =& $form_state['view'];
  $display =& $form_state['display'];
  $form_state['input'] = $view->get_exposed_input();
  // Let form plugins know this is for exposed widgets.
  $form_state['exposed'] = TRUE;
  // Check if the form was already created.
  if ($cache = views_exposed_form_cache($view->name, $view->current_display)) {
    return $cache;
  }
  $form['#info'] = array();
  if (!variable_get('clean_url', FALSE)) {
    $form['q'] = array(
      '#type' => 'hidden',
      '#value' => $view->get_url(),
    );
  }
  // Go through each handler and let it generate its exposed widget.
  foreach ($view->display_handler->handlers as $type => $value) {
    foreach ($view->{$type} as $id => $handler) {
      if ($handler->can_expose() && $handler->is_exposed()) {
        // Grouped exposed filters have their own forms.
        // Instead of render the standard exposed form, a new Select or
        // Radio form field is rendered with the available groups.
        // When an user choose an option the selected value is split
        // into the operator and value that the item represents.
        if ($handler->is_a_group()) {
          $handler->group_form($form, $form_state);
          $id = $handler->options['group_info']['identifier'];
        }
        else {
          $handler->exposed_form($form, $form_state);
        }
        if ($info = $handler->exposed_info()) {
          $form['#info']["{$type}-{$id}"] = $info;
        }
      }
    }
  }
  // Form submit, #name is an empty string to prevent showing up in $_GET.
  $form['submit'] = array(
    '#name' => '',
    '#type' => 'submit',
    '#value' => t('Apply'),
    '#id' => drupal_html_id('edit-submit-' . $view->name),
  );
  $form['#action'] = url($view->display_handler
    ->get_url());
  $form['#theme'] = views_theme_functions('views_exposed_form', $view, $display);
  $form['#id'] = drupal_clean_css_identifier('views_exposed_form-' . check_plain($view->name) . '-' . check_plain($display->id));
  // If using AJAX, we need the form plugin.
  if ($view->use_ajax) {
    drupal_add_library('system', 'jquery.form');
  }
  ctools_include('dependent');
  $exposed_form_plugin = $form_state['exposed_form_plugin'];
  $exposed_form_plugin->exposed_form_alter($form, $form_state);
  // Save the form.
  views_exposed_form_cache($view->name, $view->current_display, $form);
  return $form;
}