function views_handler_filter::build_group_validate

Validate the build group options form.

File

handlers/views_handler_filter.inc, line 691

Class

views_handler_filter

Base class for filters.

Code

public function build_group_validate($form, &$form_state) {
    if (!empty($form_state['values']['options']['group_info'])) {
        if (empty($form_state['values']['options']['group_info']['identifier'])) {
            form_error($form['group_info']['identifier'], t('The identifier is required if the filter is exposed.'));
        }
        if (!empty($form_state['values']['options']['group_info']['identifier'])) {
            $illegal_identifiers = array(
                'value',
                'q',
            );
            if (in_array($form_state['values']['options']['group_info']['identifier'], $illegal_identifiers)) {
                form_error($form['group_info']['identifier'], t('This identifier is not allowed.'));
            }
        }
        if (!$this->view->display_handler
            ->is_identifier_unique($form_state['id'], $form_state['values']['options']['group_info']['identifier'])) {
            form_error($form['group_info']['identifier'], t('This identifier is used by another handler.'));
        }
    }
    if (!empty($form_state['values']['options']['group_info']['group_items'])) {
        foreach ($form_state['values']['options']['group_info']['group_items'] as $id => $group) {
            if (empty($group['remove'])) {
                // Check if the title is defined but value wasn't defined.
                if (!empty($group['title'])) {
                    // No value is needed for 'empty' and 'not empty' operator.
                    if (!in_array($group['operator'], array(
                        'empty',
                        'not empty',
                    ))) {
                        if (!is_array($group['value']) && trim($group['value']) == "" || is_array($group['value']) && count(array_filter($group['value'], '_views_array_filter_zero')) == 0) {
                            form_error($form['group_info']['group_items'][$id]['value'], t('The value is required if title for this item is defined.'));
                        }
                    }
                }
                // Check if the value is defined but title wasn't defined.
                if (!is_array($group['value']) && trim($group['value']) != "" || is_array($group['value']) && count(array_filter($group['value'], '_views_array_filter_zero')) > 0) {
                    if (empty($group['title'])) {
                        form_error($form['group_info']['group_items'][$id]['title'], t('The title is required if value for this item is defined.'));
                    }
                }
            }
        }
    }
}