| /* |
| * Copyright 2000-2012 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.diagnostic.Logger; |
| import com.intellij.openapi.diff.DiffRequestFactory; |
| import com.intellij.openapi.diff.MergeRequest; |
| import com.intellij.openapi.diff.SimpleDiffRequest; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Getter; |
| import com.intellij.openapi.util.io.FileUtil; |
| import com.intellij.openapi.vcs.AbstractVcs; |
| import com.intellij.openapi.vcs.FilePathImpl; |
| import com.intellij.openapi.vcs.VcsException; |
| import com.intellij.openapi.vcs.changes.Change; |
| import com.intellij.openapi.vcs.changes.ChangesUtil; |
| import com.intellij.openapi.vcs.changes.MergeTexts; |
| import com.intellij.openapi.vcs.history.VcsRevisionNumber; |
| import com.intellij.openapi.vcs.merge.MergeData; |
| import com.intellij.openapi.vfs.CharsetToolkit; |
| import com.intellij.openapi.vfs.VirtualFile; |
| |
| import java.nio.charset.Charset; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Created with IntelliJ IDEA. |
| * User: Irina.Chernushina |
| * Date: 2/14/12 |
| * Time: 4:09 PM |
| */ |
| public class ConflictedDiffRequestPresentable implements DiffRequestPresentable { |
| private final static Logger LOG = Logger.getInstance("#com.intellij.openapi.vcs.changes.actions.ConflictedDiffRequestPresentable"); |
| private final Project myProject; |
| private final VirtualFile myFile; |
| private final Change myChange; |
| |
| public ConflictedDiffRequestPresentable(final Project project, VirtualFile file, final Change change) { |
| myProject = project; |
| myFile = file; |
| myChange = change; |
| } |
| |
| @Override |
| public MyResult step(DiffChainContext context) { |
| if (myChange.getAfterRevision() == null) return createErrorResult(); |
| final Getter<MergeTexts> mergeProvider = myChange.getMergeProvider(); |
| FileType type = myChange.getVirtualFile() != null ? myChange.getVirtualFile().getFileType() : null; |
| if (mergeProvider != null) { |
| // guaranteed text |
| final MergeTexts texts = mergeProvider.get(); |
| if (texts == null) { |
| return createErrorResult(); |
| } |
| final MergeRequest request = DiffRequestFactory.getInstance() |
| .create3WayDiffRequest(texts.getLeft(), texts.getRight(), texts.getBase(), type, myProject, null, null); |
| request.setWindowTitle(FileUtil.toSystemDependentName(myFile.getPresentableUrl())); |
| // todo titles? |
| request.setVersionTitles(new String[] {myChange.getAfterRevision().getRevisionNumber().asString(), |
| "Base Version", "Last Revision"}); |
| return new MyResult(request, DiffPresentationReturnValue.useRequest); |
| |
| } else { |
| FilePathImpl filePath = new FilePathImpl(myFile); |
| if (filePath.getFileType().isBinary()) { |
| final boolean nowItIsText = ChangeDiffRequestPresentable.checkAssociate(myProject, filePath, context); |
| if (! nowItIsText) { |
| return createErrorResult(); |
| } |
| } |
| final AbstractVcs vcs = ChangesUtil.getVcsForChange(myChange, myProject); |
| if (vcs == null || vcs.getMergeProvider() == null) { |
| return createErrorResult(); |
| } |
| try { |
| final MergeData mergeData = vcs.getMergeProvider().loadRevisions(myFile); |
| if (mergeData == null) { |
| return createErrorResult(); |
| } |
| final Charset charset = myFile.getCharset(); |
| final MergeRequest request = DiffRequestFactory.getInstance() |
| .create3WayDiffRequest(CharsetToolkit.bytesToString(mergeData.CURRENT, charset), |
| CharsetToolkit.bytesToString(mergeData.LAST, charset), |
| CharsetToolkit.bytesToString(mergeData.ORIGINAL, charset), |
| type, myProject, null, null); |
| request.setWindowTitle(FileUtil.toSystemDependentName(myFile.getPresentableUrl())); |
| // todo titles? |
| VcsRevisionNumber lastRevisionNumber = mergeData.LAST_REVISION_NUMBER; |
| request.setVersionTitles(new String[]{myChange.getAfterRevision().getRevisionNumber().asString(), |
| "Base Version", lastRevisionNumber != null ? lastRevisionNumber.asString() : ""}); |
| return new MyResult(request, DiffPresentationReturnValue.useRequest); |
| } |
| catch (VcsException e) { |
| LOG.info(e); |
| return createErrorResult(); |
| } |
| } |
| } |
| |
| private MyResult createErrorResult() { |
| final SimpleDiffRequest request = new SimpleDiffRequest(myProject, null); |
| return new MyResult(request, DiffPresentationReturnValue.removeFromList); |
| } |
| |
| @Override |
| public void haveStuff() throws VcsException { |
| } |
| |
| @Override |
| public List<? extends AnAction> createActions(DiffExtendUIFactory uiFactory) { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public String getPathPresentation() { |
| return myFile.getPath(); |
| } |
| } |