Provide the default form for setting options.
Overrides ArgumentValidatorPluginBase::buildOptionsForm
public function buildOptionsForm(&$form, &$form_state) {
$vocabularies = taxonomy_vocabulary_get_names();
$options = array();
foreach ($vocabularies as $voc) {
$options[$voc->machine_name] = check_plain($voc->name);
}
$form['vocabularies'] = array(
'#type' => 'checkboxes',
'#prefix' => '<div id="edit-options-validate-argument-vocabulary-wrapper">',
'#suffix' => '</div>',
'#title' => t('Vocabularies'),
'#options' => $options,
'#default_value' => $this->options['vocabularies'],
'#description' => t('If you wish to validate for specific vocabularies, check them; if none are checked, all terms will pass.'),
);
$form['type'] = array(
'#type' => 'select',
'#title' => t('Filter value type'),
'#options' => array(
'tid' => t('Term ID'),
'tids' => t('Term IDs separated by , or +'),
'name' => t('Term name'),
'convert' => t('Term name converted to Term ID'),
),
'#default_value' => $this->options['type'],
'#description' => t('Select the form of this filter value; if using term name, it is generally more efficient to convert it to a term ID and use Taxonomy: Term ID rather than Taxonomy: Term Name" as the filter.'),
);
$form['transform'] = array(
'#type' => 'checkbox',
'#title' => t('Transform dashes in URL to spaces in term name filter values'),
'#default_value' => $this->options['transform'],
);
}