additional_fields['kid'] = 'kid'; } function option_definition() { $options = parent::option_definition(); $options['link_to_keyword'] = array('default' => FALSE); return $options; } /** * Provide link to taxonomy option */ function options_form(&$form, &$form_state) { parent::options_form($form, $form_state); $form['link_to_keyword'] = array( '#title' => t('Link this field to its keyword page'), '#description' => t('This will override any other link you have set.'), '#type' => 'checkbox', '#default_value' => !empty($this->options['link_to_keyword']), ); } /** * Render whatever the data is as a link to the taxonomy. * * Data should be made XSS safe prior to calling this function. */ function render_link($data, $values) { if (!empty($this->options['link_to_keyword']) && !empty($values->{$this->aliases['kid']}) && $data !== NULL && $data !== '') { $kid = $values->{$this->aliases['kid']}; $this->options['alter']['make_link'] = TRUE; $this->options['alter']['path'] = 'biblio/keyword/' . $kid; } return $data; } function render($values) { return $this->render_link(check_plain($values->{$this->field_alias}), $values); } }