| /* |
| * 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.actions; |
| |
| import com.intellij.openapi.actionSystem.AnAction; |
| import com.intellij.openapi.diff.DiffRequest; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vcs.VcsException; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public interface DiffRequestPresentable { |
| MyResult step(DiffChainContext context); |
| |
| void haveStuff() throws VcsException; |
| List<? extends AnAction> createActions(final DiffExtendUIFactory uiFactory); |
| String getPathPresentation(); |
| |
| class MyResult { |
| private final List<String> myErrors; |
| private final DiffRequest myRequest; |
| private final DiffPresentationReturnValue myReturnValue; |
| |
| public MyResult(DiffRequest request, DiffPresentationReturnValue returnValue) { |
| myRequest = request; |
| myReturnValue = returnValue; |
| myErrors = new ArrayList<String>(); |
| } |
| |
| public MyResult(DiffRequest request, DiffPresentationReturnValue returnValue, final String error) { |
| myRequest = request; |
| myReturnValue = returnValue; |
| myErrors = new ArrayList<String>(); |
| if (! StringUtil.isEmptyOrSpaces(error)) { |
| myErrors.add(error); |
| } |
| } |
| |
| public void addError(final String e) { |
| myErrors.add(e); |
| } |
| |
| public List<String> getErrors() { |
| return myErrors; |
| } |
| |
| public DiffRequest getRequest() { |
| return myRequest; |
| } |
| |
| public DiffPresentationReturnValue getReturnValue() { |
| return myReturnValue; |
| } |
| |
| public boolean hasErrors() { |
| return ! myErrors.isEmpty(); |
| } |
| |
| public String getAsOneError() { |
| if (myErrors.isEmpty()) return null; |
| return StringUtil.join(myErrors, "\n"); |
| } |
| } |
| } |