org.jetbrains.tfsIntegration.core.tfs.conflicts.DialogContentMerger.java Source code

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Here is the source code for org.jetbrains.tfsIntegration.core.tfs.conflicts.DialogContentMerger.java

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/*
 * Copyright 2000-2008 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 org.jetbrains.tfsIntegration.core.tfs.conflicts;

import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diff.ActionButtonPresentation;
import com.intellij.openapi.diff.DiffManager;
import com.intellij.openapi.diff.DiffRequestFactory;
import com.intellij.openapi.diff.MergeRequest;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.openapi.util.io.StreamUtil;
import com.intellij.openapi.vcs.history.VcsRevisionNumber;
import com.intellij.openapi.vcs.merge.MergeDialogCustomizer;
import com.intellij.openapi.vfs.VirtualFile;
import com.microsoft.schemas.teamfoundation._2005._06.versioncontrol.clientservices._03.Conflict;
import org.jetbrains.tfsIntegration.core.TFSVcs;
import org.jetbrains.tfsIntegration.ui.ContentTriplet;

public class DialogContentMerger implements ContentMerger {

    public boolean mergeContent(Conflict conflict, ContentTriplet contentTriplet, Project project,
            final VirtualFile localFile, String localPath, VcsRevisionNumber serverVersion) {
        TFSVcs.assertTrue(localFile.isWritable(), localFile.getPresentableUrl() + " must be writable");

        MergeDialogCustomizer c = new MergeDialogCustomizer();
        MergeRequest request = DiffRequestFactory.getInstance().createMergeRequest(
                StreamUtil.convertSeparators(contentTriplet.localContent),
                StreamUtil.convertSeparators(contentTriplet.serverContent),
                StreamUtil.convertSeparators(contentTriplet.baseContent), localFile, project,
                ActionButtonPresentation.APPLY, ActionButtonPresentation.CANCEL_WITH_PROMPT);

        request.setWindowTitle(c.getMergeWindowTitle(localFile));
        request.setVersionTitles(new String[] { c.getLeftPanelTitle(localFile), c.getCenterPanelTitle(localFile),
                c.getRightPanelTitle(localFile, serverVersion) });

        // TODO call canShow() first
        DiffManager.getInstance().getDiffTool().show(request);
        if (request.getResult() == DialogWrapper.OK_EXIT_CODE) {
            return true;
        } else {
            request.restoreOriginalContent();
            // TODO maybe MergeVersion.MergeDocumentVersion.restoreOriginalContent() should save document itself?
            ApplicationManager.getApplication().runWriteAction(new Runnable() {
                public void run() {
                    final Document document = FileDocumentManager.getInstance().getDocument(localFile);
                    if (document != null) {
                        FileDocumentManager.getInstance().saveDocument(document);
                    }
                }
            });
            return false;
        }
    }
}