| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.openapi.command.undo; |
| |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @see com.intellij.openapi.command.undo.UndoManager#undoableActionPerformed(UndoableAction) |
| */ |
| public interface UndoableAction { |
| void undo() throws UnexpectedUndoException; |
| void redo() throws UnexpectedUndoException; |
| |
| /** |
| * Returns the documents, affected by this action. |
| * If the returned value is null, all documents are "affected". |
| * The action can be undone if all of its affected documents are either |
| * not affected by any of further actions or all of such actions are undone. |
| */ |
| @Nullable |
| DocumentReference[] getAffectedDocuments(); |
| |
| /** |
| * Global actions are those, that can be undone not only from the document of the file, but also from the project tree view. |
| */ |
| boolean isGlobal(); |
| } |