| /* |
| * 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; |
| |
| /** |
| * Meter listener interface. |
| */ |
| public interface MeterListener { |
| /** |
| * Meter listener adapter. |
| */ |
| public static class Adapter implements MeterListener { |
| @Override |
| public void percentageChanged(Meter meter, double previousPercentage) { |
| // empty block |
| } |
| |
| @Override |
| public void textChanged(Meter meter, String previousText) { |
| // empty block |
| } |
| |
| @Override |
| public void orientationChanged(Meter meter) { |
| // empty block |
| } |
| } |
| |
| /** |
| * Called when a meter's percentage value has changed. |
| * |
| * @param meter The meter that is changing. |
| * @param previousPercentage What the meter's percentage value used to be. |
| */ |
| public void percentageChanged(Meter meter, double previousPercentage); |
| |
| /** |
| * Called when a meter's text has changed. |
| * |
| * @param meter The meter that has changed. |
| * @param previousText The previous meter text. |
| */ |
| public void textChanged(Meter meter, String previousText); |
| |
| /** |
| * Called when a sliders's orientation has changed. |
| * |
| * @param meter The source of the event. |
| */ |
| public void orientationChanged(Meter meter); |
| } |