public function php($data)
{
if (!parent::php($data)) {
return false;
}
// Skip unsaved records
if (!$this->record || !$this->record->exists()) {
return true;
}
// Skip validation if not required
if (empty($data['Required'])) {
return;
}
// Skip validation if no rules
$count = EditableCustomRule::get()->filter('ParentID', $this->record->ID)->count();
if ($count == 0) {
return true;
}
// Both required = true and rules > 0 should error
$this->validationError('Required_Error', _t("EditableFormFieldValidator.REQUIRED_ERROR", "Form fields cannot be required and have conditional display rules."), 'error');
return false;
}
/**
* Create or find an existing field with the matched specification
*
* @param EditableFormField $field
* @param string $stage
* @param string $conditionOption
* @param string $display
* @param string $conditionFieldName
* @param string $value
* @return EditableCustomRule
*/
protected function findOrCreateRule(EditableFormField $field, $stage, $conditionOption, $display, $conditionFieldName, $value)
{
// Get id of field
$conditionField = $conditionFieldName ? EditableFormField::get()->filter('Name', $conditionFieldName)->first() : null;
// If live, search stage record for matching one
if ($stage === 'Live') {
$list = Versioned::get_by_stage('EditableCustomRule', 'Stage')->filter(array('ParentID' => $field->ID, 'ConditionFieldID' => $conditionField ? $conditionField->ID : 0, 'Display' => $display, 'ConditionOption' => $conditionOption));
if ($value) {
$list = $list->filter('FieldValue', $value);
} else {
$list = $list->where('"FieldValue" IS NULL OR "FieldValue" = \'\'');
}
$rule = $list->first();
if ($rule) {
$rule->write();
$rule->publish("Stage", "Live");
return $rule;
}
}
// If none found, or in stage, create new record
$rule = new EditableCustomRule();
$rule->ParentID = $field->ID;
$rule->ConditionFieldID = $conditionField ? $conditionField->ID : 0;
$rule->Display = $display;
$rule->ConditionOption = $conditionOption;
$rule->FieldValue = $value;
$rule->write();
return $rule;
}
