/*******************************************************************************
* Copyright (c) 2010, 2013 SAP AG 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:
* Stefan Lay (SAP AG) - initial implementation
* Mathias Kinzler (SAP AG) - move to command framework
* Dariusz Luksza (dariusz@luksza.org - set action disabled when HEAD cannot
* be resolved
*******************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;
import java.io.IOException;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.WorkspaceJob;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.egit.core.op.MergeOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.actions.MergeActionHandler;
import org.eclipse.egit.ui.internal.dialogs.BasicConfigurationDialog;
import org.eclipse.egit.ui.internal.dialogs.MergeTargetSelectionDialog;
import org.eclipse.egit.ui.internal.merge.MergeResultDialog;
import org.eclipse.egit.ui.internal.repository.tree.RefNode;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode;
import org.eclipse.egit.ui.internal.repository.tree.TagNode;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
/**
* Implements "Merge"
*/
public class MergeCommand extends
RepositoriesViewCommandHandler<RepositoryTreeNode> {
public Object execute(final ExecutionEvent event) throws ExecutionException {
RepositoryTreeNode node = getSelectedNodes(event).get(0);
final Repository repository = node.getRepository();
BasicConfigurationDialog.show(repository);
if (!MergeActionHandler.checkMergeIsPossible(repository, getShell(event)))
return null;
String targetRef;
if (node instanceof RefNode) {
String refName = ((RefNode) node).getObject().getName();
try {
if (repository.getFullBranch().equals(refName))
targetRef = null;
else
targetRef = refName;
} catch (IOException e) {
targetRef = null;
}
} else if (node instanceof TagNode)
targetRef = ((TagNode) node).getObject().getName();
else
targetRef = null;
final String refName;
final MergeOperation op;
if (targetRef != null) {
refName = targetRef;
op = new MergeOperation(repository, refName);
} else {
MergeTargetSelectionDialog mergeTargetSelectionDialog = new MergeTargetSelectionDialog(
getShell(event), repository);
if (mergeTargetSelectionDialog.open() != IDialogConstants.OK_ID)
return null;
refName = mergeTargetSelectionDialog.getRefName();
op = new MergeOperation(repository, refName);
op.setSquash(mergeTargetSelectionDialog.isMergeSquash());
op.setFastForwardMode(mergeTargetSelectionDialog
.getFastForwardMode());
op.setCommit(mergeTargetSelectionDialog.isCommit());
}
String jobname = NLS.bind(UIText.MergeAction_JobNameMerge, refName);
Job job = new WorkspaceJob(jobname) {
@Override
public IStatus runInWorkspace(IProgressMonitor monitor) {
try {
op.execute(monitor);
} catch (final CoreException e) {
return e.getStatus();
}
return Status.OK_STATUS;
}
};
job.setUser(true);
job.setRule(op.getSchedulingRule());
job.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(IJobChangeEvent jobEvent) {
IStatus result = jobEvent.getJob().getResult();
if (result.getSeverity() == IStatus.CANCEL)
Display.getDefault().asyncExec(new Runnable() {
public void run() {
// don't use getShell(event) here since
// the active shell has changed since the
// execution has been triggered.
Shell shell = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getShell();
MessageDialog.openInformation(shell,
UIText.MergeAction_MergeCanceledTitle,
UIText.MergeAction_MergeCanceledMessage);
}
});
else if (!result.isOK())
Activator.handleError(result.getMessage(), result
.getException(), true);
else
Display.getDefault().asyncExec(new Runnable() {
public void run() {
Shell shell = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getShell();
MergeResultDialog.getDialog(shell, repository, op.getResult()).open();
}
});
}
});
job.schedule();
return null;
}
@Override
public boolean isEnabled() {
return selectedRepositoryHasHead();
}
}