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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.ui.compare;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.commit.CDOCommitInfo;
import org.eclipse.emf.cdo.compare.CDOCompare;
import org.eclipse.emf.cdo.compare.CDOCompareUtil;
import org.eclipse.emf.cdo.session.CDORepositoryInfo;
import org.eclipse.emf.cdo.session.CDOSession;
import org.eclipse.emf.cdo.spi.common.branch.CDOBranchUtil;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.compare.Comparison;
import org.eclipse.emf.compare.domain.ICompareEditingDomain;
import org.eclipse.emf.compare.domain.impl.EMFCompareEditingDomain;
import org.eclipse.emf.compare.scope.IComparisonScope;
import org.eclipse.emf.edit.EMFEditPlugin;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareUI;
/**
* Static methods to open an EMF Compare dialog.
*
* @author Eike Stepper
* @since 4.2
*/
public class CDOCompareEditorUtil
{
public static boolean openDialog(CDOSession session, CDOBranchPoint leftPoint, CDOBranchPoint rightPoint)
{
CDOView leftView = null;
CDOView rightView = null;
try
{
leftView = session.openView(leftPoint);
rightView = session.openView(rightPoint);
return openDialog(leftView, rightView, null);
}
finally
{
LifecycleUtil.deactivate(rightView);
LifecycleUtil.deactivate(leftView);
}
}
public static boolean openDialog(CDOCommitInfo leftCommitInfo, CDOBranchPoint rightPoint)
{
CDORepositoryInfo repositoryInfo = (CDORepositoryInfo)leftCommitInfo.getCommitInfoManager().getRepository();
CDOSession session = repositoryInfo.getSession();
return openDialog(session, leftCommitInfo, rightPoint);
}
public static boolean openDialog(CDOCommitInfo commitInfo)
{
long previousTimeStamp = commitInfo.getPreviousTimeStamp();
if (previousTimeStamp == CDOBranchPoint.UNSPECIFIED_DATE)
{
return false;
}
CDOBranchPoint previous = CDOBranchUtil.normalizeBranchPoint(commitInfo.getBranch(), previousTimeStamp);
return openDialog(commitInfo, previous);
}
public static boolean openDialog(CDOView leftView, CDOView rightView, CDOView[] originView)
{
Comparison comparison = CDOCompareUtil.compare(leftView, rightView, originView);
IComparisonScope scope = CDOCompare.getScope(comparison);
ICompareEditingDomain editingDomain = EMFCompareEditingDomain.create(scope.getLeft(), scope.getRight(),
scope.getOrigin());
ComposedAdapterFactory.Descriptor.Registry registry = EMFEditPlugin.getComposedAdapterFactoryDescriptorRegistry();
ComposedAdapterFactory adapterFactory = new ComposedAdapterFactory(registry);
CompareConfiguration configuration = new CompareConfiguration();
configuration.setLeftEditable(!leftView.isReadOnly());
configuration.setRightEditable(!rightView.isReadOnly());
Input input = new Input(configuration, comparison, editingDomain, adapterFactory);
CompareUI.openCompareDialog(input);
return input.isOK();
}
/**
* @author Eike Stepper
*/
@SuppressWarnings("restriction")
private static final class Input extends org.eclipse.emf.compare.ide.ui.internal.editor.ComparisonEditorInput
{
private boolean ok;
private Input(CompareConfiguration configuration, Comparison comparison, ICompareEditingDomain editingDomain,
AdapterFactory adapterFactory)
{
super(configuration, comparison, editingDomain, adapterFactory);
setTitle("Model Comparison");
}
public boolean isOK()
{
return ok;
}
@Override
public boolean okPressed()
{
ok = true;
return super.okPressed();
}
}
}
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