| /* |
| * 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.vcs.changes; |
| |
| import com.intellij.openapi.diff.DiffRequest; |
| import com.intellij.openapi.vcs.changes.actions.DiffRequestPresentable; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| |
| public interface ChangeRequestChain { |
| boolean canMoveForward(); |
| |
| boolean canMoveBack(); |
| |
| @Nullable |
| DiffRequest moveForward(); |
| |
| @Nullable |
| DiffRequest moveBack(); |
| |
| @NotNull |
| List<DiffRequestPresentable> getAllRequests(); |
| |
| @Nullable |
| DiffRequest moveTo(DiffRequestPresentable request); |
| |
| /** |
| * Returns the diff request which is currently shown in the diff dialog. |
| */ |
| @Nullable |
| DiffRequestPresentable getCurrentRequest(); |
| } |