function FacetapiWidgetLinks::settingsForm in Facet API 7

Same name and namespace in other branches

1. 6.3 plugins/facetapi/widget_links.inc \FacetapiWidgetLinks::settingsForm()
2. 7.2 plugins/facetapi/widget_links.inc \FacetapiWidgetLinks::settingsForm()

Overrides FacetapiWidget::settingsForm().

Overrides FacetapiWidget::settingsForm

File

plugins/facetapi/widget_links.inc, line 207

The facetapi_links and facetapi_checkbox_links widget plugin classes.

Class

FacetapiWidgetLinks

Widget that renders facets as a list of clickable links.

Code

function settingsForm(&$form, &$form_state) {

  // @see http://drupal.org/node/735528 for supporting multiple values in the
  // FAPI #states. The following hack adds multiple form elements and uses CSS
  // and JavaScript to ensure only one is displayed at a time. Only the last
  // form element actually passes the value.
  $form['widget']['widget_settings']['links'][$this->id]['soft_limit'] = array(
    '#type' => 'select',
    '#title' => t('Soft limit'),
    '#default_value' => $this->settings->settings['soft_limit'],
    '#options' => array(
      0 => t('No limit'),
    ) + drupal_map_assoc(array(
      50,
      40,
      30,
      20,
      15,
      10,
      5,
      3,
    )),
    '#description' => t('Limits the number of displayed facets via JavaScript.'),
    '#states' => array(
      'visible' => array(
        'select[name="widget"]' => array(
          'value' => $this->id,
        ),
      ),
    ),
  );

  // @see http://drupal.org/node/1370342
  $form['widget']['widget_settings']['links'][$this->id]['nofollow'] = array(
    '#type' => 'select',
    '#title' => t('Prevent crawlers from following facet links'),
    '#default_value' => empty($this->settings->settings['nofollow']) ? 0 : $this->settings->settings['nofollow'],
    '#description' => t('Add the <code>rel="nofollow"</code> attribute to facet links to maximize SEO by preventing crawlers from indexing duplicate content and getting stuck in loops.'),
    '#options' => array(
      0 => t('never'),
      1 => t('always'),
      2 => t('only for links that select multiple items of the same facet'),
      3 => t('if there is already a selected item from any facet'),
    ),
    '#states' => array(
      'visible' => array(
        'select[name="widget"]' => array(
          'value' => $this->id,
        ),
      ),
    ),
  );

  // @see http://drupal.org/node/735528
  if ($this->facet['hierarchy callback']) {
    $form['widget']['widget_settings']['links'][$this->id]['show_expanded'] = array(
      '#type' => 'checkbox',
      '#title' => t('Expand hierarchy'),
      '#default_value' => !empty($this->settings->settings['show_expanded']),
      '#description' => t('Show the entire tree regardless of whether the parent items are active.'),
      '#states' => array(
        'visible' => array(
          'select[name="widget"]' => array(
            'value' => $this->id,
          ),
        ),
      ),
    );
  }

  // Hides all but the last element. The #states system will override this,
  // however it is necessary if JavaScript is disabled so multiple elements
  // aren't displayed to the user.
  $last = end($form['widget']['widget_settings']['links']);
  foreach ($form['widget']['widget_settings']['links'] as $id => $element) {
    if ($last != $element) {
      $form['widget']['widget_settings']['links'][$id]['#attributes']['style'] = 'display: none;';
    }
  }
}