function filter_admin_format_form_validate

Form validation handler for filter_admin_format_form().

See also

filter_admin_format_form_submit()

File

modules/filter/filter.admin.inc, line 330

Code

function filter_admin_format_form_validate($form, &$form_state) {
    $format_format = trim($form_state['values']['format']);
    $format_name = trim($form_state['values']['name']);
    // Ensure that the values to be saved later are exactly the ones validated.
    form_set_value($form['format'], $format_format, $form_state);
    form_set_value($form['name'], $format_name, $form_state);
    $result = db_query("SELECT format FROM {filter_format} WHERE name = :name AND format <> :format", array(
        ':name' => $format_name,
        ':format' => $format_format,
    ))->fetchField();
    if ($result) {
        form_set_error('name', t('Text format names must be unique. A format named %name already exists.', array(
            '%name' => $format_name,
        )));
    }
}