| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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 flashx.undo |
| { |
| /** |
| * IOperation defines the interface for operations that can be undone and redone. |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| public interface IOperation |
| { |
| /** |
| * Reperforms the operation. |
| * |
| * <p>The operation is also responsible for pushing itself onto the undo stack.</p> |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| function performRedo():void; |
| /** |
| * Reverses the operation. |
| * |
| * <p>The operation is also responsible for pushing itself onto the redo stack.</p> |
| * |
| * @playerversion Flash 10 |
| * @playerversion AIR 1.5 |
| * @langversion 3.0 |
| */ |
| function performUndo():void; |
| } |
| } |