| /* |
| * 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; |
| |
| import org.apache.pivot.util.Vote; |
| |
| /** |
| * Sheet state listener interface. |
| */ |
| public interface SheetStateListener extends SheetCloseListener { |
| /** |
| * Sheet state listener adapter. |
| */ |
| public static class Adapter implements SheetStateListener { |
| @Override |
| public Vote previewSheetClose(Sheet sheet, boolean result) { |
| return Vote.APPROVE; |
| } |
| |
| @Override |
| public void sheetCloseVetoed(Sheet sheet, Vote reason) { |
| // empty block |
| } |
| |
| @Override |
| public void sheetClosed(Sheet sheet) { |
| // empty block |
| } |
| } |
| |
| /** |
| * Called to preview a sheet close event. |
| * |
| * @param sheet The source of the event. |
| * @param result The proposed result of the close. |
| * @return What this listener wants to decide about this proposed close. |
| */ |
| public Vote previewSheetClose(Sheet sheet, boolean result); |
| |
| /** |
| * Called when a sheet close event has been vetoed. |
| * |
| * @param sheet The close event source. |
| * @param reason The accumulated vote that resulted in the veto. |
| */ |
| public void sheetCloseVetoed(Sheet sheet, Vote reason); |
| } |