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/*******************************************************************************
* Copyright (c) 2006, 2017 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.mapping;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.*;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.core.diff.*;
import org.eclipse.team.core.mapping.IMergeContext;
import org.eclipse.team.internal.ui.TeamUIMessages;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.ui.mapping.SynchronizationOperation;
import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration;
public class ResourceMergeHandler extends ResourceMergeActionHandler {
private final boolean overwrite;
private ResourceModelProviderOperation operation;
public ResourceMergeHandler(ISynchronizePageConfiguration configuration, boolean overwrite) {
super(configuration);
this.overwrite = overwrite;
}
@Override
protected synchronized SynchronizationOperation getOperation() {
if (operation == null) {
operation = new ResourceModelProviderOperation(getConfiguration(), getStructuredSelection()) {
@Override
public void execute(IProgressMonitor monitor) throws InvocationTargetException,
InterruptedException {
try {
IMergeContext context = (IMergeContext)getContext();
IDiff[] diffs = getTargetDiffs();
if (diffs.length == 0) {
promptForNoChanges();
}
IStatus status = context.merge(diffs, overwrite, monitor);
if (!status.isOK())
throw new CoreException(status);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
@Override
protected FastDiffFilter getDiffFilter() {
return new FastDiffFilter() {
@Override
public boolean select(IDiff node) {
if (node instanceof IThreeWayDiff) {
IThreeWayDiff twd = (IThreeWayDiff) node;
if ((twd.getDirection() == IThreeWayDiff.OUTGOING && overwrite) || twd.getDirection() == IThreeWayDiff.CONFLICTING || twd.getDirection() == IThreeWayDiff.INCOMING) {
return true;
}
return false;
}
// Overwrite should always be available for two-way diffs
return overwrite;
}
};
}
@Override
protected String getJobName() {
IDiff[] diffs = getTargetDiffs();
if (overwrite) {
if (diffs.length == 1)
return TeamUIMessages.ResourceMergeHandler_0;
return NLS.bind(TeamUIMessages.ResourceMergeHandler_1, Integer.valueOf(diffs.length).toString());
}
if (diffs.length == 1)
return TeamUIMessages.ResourceMergeHandler_2;
return NLS.bind(TeamUIMessages.ResourceMergeHandler_3, Integer.valueOf(diffs.length).toString());
}
};
}
return operation;
}
@Override
public void updateEnablement(IStructuredSelection selection) {
synchronized (this) {
operation = null;
}
super.updateEnablement(selection);
int mode = getConfiguration().getMode();
if (mode == ISynchronizePageConfiguration.OUTGOING_MODE && !overwrite) {
setEnabled(false);
return;
}
}
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
if (saveDirtyEditors() && (!overwrite || promptToConfirm()))
return super.execute(event);
return null;
}
protected boolean promptToConfirm() {
if (Display.getCurrent() != null)
return internalPromptToConfirm();
final boolean[] confirmed = new boolean[] { false };
Shell shell = getConfiguration().getSite().getShell();
if (!shell.isDisposed()) {
Utils.syncExec((Runnable) () -> confirmed[0] = promptToConfirm(), shell);
}
return confirmed[0];
}
private boolean internalPromptToConfirm() {
return MessageDialog.openQuestion(getConfiguration().getSite().getShell(), TeamUIMessages.ResourceMergeHandler_4, TeamUIMessages.ResourceMergeHandler_5);
}
protected void promptForNoChanges() {
Utils.syncExec((Runnable) () -> MessageDialog.openInformation(getConfiguration().getSite().getShell(), TeamUIMessages.ResourceMergeHandler_6, TeamUIMessages.ResourceMergeHandler_7), (StructuredViewer)getConfiguration().getPage().getViewer());
}
}
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