function rules_ui_element_variable_form_validate

FAPI callback to validate the form for editing variable info.

See also

RulesPluginUI::getVariableForm()

File

ui/ui.forms.inc, line 925

Code

function rules_ui_element_variable_form_validate($elements, &$form_state) {
    $names = array();
    foreach (element_children($elements['items']) as $item_key) {
        $element =& $elements['items'][$item_key];
        if ($element['name']['#value'] || $element['type']['#value'] || $element['label']['#value']) {
            foreach (array(
                'name' => t('Machine name'),
                'label' => t('Label'),
                'type' => t('Data type'),
            ) as $key => $title) {
                if (!$element[$key]['#value']) {
                    form_error($element[$key], t('!name field is required.', array(
                        '!name' => $title,
                    )));
                }
            }
            if (isset($names[$element['name']['#value']])) {
                form_error($element['name'], t('The machine-readable name %name is already taken.', array(
                    '%name' => $element['name']['#value'],
                )));
            }
            $names[$element['name']['#value']] = TRUE;
        }
    }
}