views_handler_argument_null.inc in Views (for Drupal 7) 6.2
File
handlers/views_handler_argument_null.inc
View source
<?php
class views_handler_argument_null extends views_handler_argument {
function option_definition() {
$options = parent::option_definition();
$options['must_not_be'] = array(
'default' => FALSE,
);
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['must_not_be'] = array(
'#type' => 'checkbox',
'#title' => t('Fail basic validation if any argument is given'),
'#default_value' => !empty($this->options['must_not_be']),
'#description' => t('By checking this field, you can use this to make sure views with more arguments than necessary fail validation.'),
);
unset($form['wildcard']);
unset($form['wildcard_substitution']);
}
function default_actions($which = NULL) {
if ($which) {
if (in_array($which, array(
'ignore',
'not found',
'empty',
'default',
))) {
return parent::default_actions($which);
}
return;
}
$actions = parent::default_actions();
unset($actions['summary asc']);
unset($actions['summary desc']);
return $actions;
}
function validate_argument_basic($arg) {
if (!empty($this->options['must_not_be'])) {
return !isset($arg);
}
return parent::validate_argument_basic($arg);
}
function query() {
}
}