Overrides Drupal\Core\Entity\EntityFormController::form().
Overrides EntityFormController::form
public function form(array $form, array &$form_state) {
$view = $this->entity;
$form['#prefix'] = '<div id="views-preview-wrapper" class="views-admin clearfix">';
$form['#suffix'] = '</div>';
$form['#id'] = 'views-ui-preview-form';
// Reset the cache of IDs. Drupal rather aggressively prevents ID
// duplication but this causes it to remember IDs that are no longer even
// being used.
$seen_ids_init =& drupal_static('drupal_html_id:init');
$seen_ids_init = array();
$form_state['no_cache'] = TRUE;
$form['controls']['#attributes'] = array(
'class' => array(
'clearfix',
),
);
// Add a checkbox controlling whether or not this display auto-previews.
$form['controls']['live_preview'] = array(
'#type' => 'checkbox',
'#id' => 'edit-displays-live-preview',
'#title' => t('Auto preview'),
'#default_value' => config('views.settings')
->get('ui.always_live_preview'),
);
// Add the arguments textfield
$form['controls']['view_args'] = array(
'#type' => 'textfield',
'#title' => t('Preview with contextual filters:'),
'#description' => t('Separate contextual filter values with a "/". For example, %example.', array(
'%example' => '40/12/10',
)),
'#id' => 'preview-args',
);
$args = array();
if (!empty($form_state['values']['view_args'])) {
$args = explode('/', $form_state['values']['view_args']);
}
if (!empty($form_state['show_preview'])) {
$form['preview'] = array(
'#weight' => 110,
'#theme_wrappers' => array(
'container',
),
'#attributes' => array(
'id' => 'views-live-preview',
),
'#markup' => $view
->renderPreview($this->displayID, $args),
);
}
$form['#action'] = url('admin/structure/views/view/' . $view
->id() . '/preview/' . $this->displayID);
return $form;
}