| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you under the Apache License, |
| * Version 2.0 (the "License"); you may not use this file except in |
| * compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.pivot.wtk; |
| |
| /** |
| * Form attribute listener interface. |
| */ |
| public interface FormAttributeListener { |
| /** |
| * Form attribute listener adapter. |
| */ |
| public class Adapter implements FormAttributeListener { |
| @Override |
| public void labelChanged(Form form, Component field, String previousLabel) { |
| // empty block |
| } |
| |
| @Override |
| public void requiredChanged(Form form, Component field) { |
| // empty block |
| } |
| |
| @Override |
| public void flagChanged(Form form, Component field, Form.Flag previousFlag) { |
| // empty block |
| } |
| } |
| |
| /** |
| * Called when a field's label attribute has changed. |
| * |
| * @param form The enclosing form. |
| * @param field The field whose form label has changed. |
| * @param previousLabel The previous form label for this field. |
| */ |
| public void labelChanged(Form form, Component field, String previousLabel); |
| |
| /** |
| * Called when a fields's required attribute has changed. |
| * |
| * @param form The enclosing form. |
| * @param field The field that is or is not now required. |
| */ |
| public void requiredChanged(Form form, Component field); |
| |
| /** |
| * Called when a field's flag attribute has changed. |
| * |
| * @param form The enclosing form. |
| * @param field The field whose flag attribute has changed. |
| * @param previousFlag The previous flag value for this field. |
| */ |
| public void flagChanged(Form form, Component field, Form.Flag previousFlag); |
| } |