/*******************************************************************************
* Copyright (c) 2012, 2013 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.ide.ui.internal.contentmergeviewer.table;
import static org.eclipse.emf.compare.ide.utils.ResourceUtil.saveAllResources;
import static org.eclipse.emf.compare.ide.utils.ResourceUtil.saveResource;
import com.google.common.collect.ImmutableMap;
import org.eclipse.compare.ITypedElement;
import org.eclipse.compare.contentmergeviewer.IMergeViewerContentProvider;
import org.eclipse.compare.structuremergeviewer.ICompareInput;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.compare.Match;
import org.eclipse.emf.compare.ide.ui.internal.configuration.EMFCompareConfiguration;
import org.eclipse.emf.compare.ide.ui.internal.contentmergeviewer.accessor.AccessorAdapter;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.graphics.Image;
/**
* @author <a href="mailto:mikael.barbero@obeo.fr">Mikael Barbero</a>
*/
public class TableContentMergeViewerContentProvider implements IMergeViewerContentProvider {
private EMFCompareConfiguration fCompareConfiguration;
private String fAncestorError;
private String fLeftError;
private String fRightError;
public TableContentMergeViewerContentProvider(EMFCompareConfiguration cc) {
fCompareConfiguration = cc;
}
public void dispose() {
// empty default implementation
}
public void inputChanged(Viewer v, Object o1, Object o2) {
// we are not interested since we have no state
}
// ---- ancestor
public void setAncestorError(String errorMessage) {
fAncestorError = errorMessage;
}
public String getAncestorLabel(Object element) {
if (fAncestorError != null) {
return fAncestorError;
}
return fCompareConfiguration.getAncestorLabel(element);
}
public Image getAncestorImage(Object element) {
if (fAncestorError != null) {
return null;
}
return fCompareConfiguration.getAncestorImage(element);
}
public Object getAncestorContent(Object element) {
if (element instanceof ICompareInput) {
ITypedElement ancestor = ((ICompareInput)element).getAncestor();
if (ancestor instanceof AccessorAdapter) {
return ((AccessorAdapter)ancestor).getTarget();
}
return ancestor;
}
return null;
}
public boolean showAncestor(Object element) {
if (element instanceof ICompareInput) {
return true; // fix for #45239: Show ancestor for incoming and outgoing changes
}
// return (((ICompareInput)element).getKind() & Differencer.DIRECTION_MASK) ==
// Differencer.CONFLICTING;
return false;
}
// ---- left
public void setLeftError(String errorMessage) {
fLeftError = errorMessage;
}
public String getLeftLabel(Object element) {
if (fLeftError != null) {
return fLeftError;
}
return fCompareConfiguration.getLeftLabel(element);
}
public Image getLeftImage(Object element) {
if (fLeftError != null) {
return null;
}
return fCompareConfiguration.getLeftImage(element);
}
public Object getLeftContent(Object element) {
if (element instanceof ICompareInput) {
ITypedElement left = ((ICompareInput)element).getLeft();
if (left instanceof AccessorAdapter) {
return ((AccessorAdapter)left).getTarget();
}
return left;
}
return null;
}
public boolean isLeftEditable(Object element) {
return fCompareConfiguration.isLeftEditable();
}
public void saveLeftContent(Object element, byte[] bytes) {
EList<Match> matches = fCompareConfiguration.getComparison().getMatches();
EObject leftEObject = null;
for (Match match : matches) {
leftEObject = match.getLeft();
if (leftEObject != null) {
break;
}
}
if (leftEObject != null) {
Resource eResource = leftEObject.eResource();
if (eResource != null) {
ResourceSet resourceSet = eResource.getResourceSet();
if (resourceSet != null) {
saveAllResources(resourceSet, ImmutableMap.of(Resource.OPTION_SAVE_ONLY_IF_CHANGED,
Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER));
} else {
saveResource(eResource, ImmutableMap.of(Resource.OPTION_SAVE_ONLY_IF_CHANGED,
Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER));
}
}
}
}
// ---- right
public void setRightError(String errorMessage) {
fRightError = errorMessage;
}
public String getRightLabel(Object element) {
if (fRightError != null) {
return fRightError;
}
return fCompareConfiguration.getRightLabel(element);
}
public Image getRightImage(Object element) {
if (fRightError != null) {
return null;
}
return fCompareConfiguration.getRightImage(element);
}
public Object getRightContent(Object element) {
if (element instanceof ICompareInput) {
ITypedElement right = ((ICompareInput)element).getRight();
if (right instanceof AccessorAdapter) {
return ((AccessorAdapter)right).getTarget();
}
return right;
}
return null;
}
public boolean isRightEditable(Object element) {
return fCompareConfiguration.isRightEditable();
}
public void saveRightContent(Object element, byte[] bytes) {
EList<Match> matches = fCompareConfiguration.getComparison().getMatches();
EObject rightEObject = null;
for (Match match : matches) {
rightEObject = match.getRight();
if (rightEObject != null) {
break;
}
}
if (rightEObject != null) {
Resource eResource = rightEObject.eResource();
if (eResource != null) {
ResourceSet resourceSet = eResource.getResourceSet();
if (resourceSet != null) {
saveAllResources(resourceSet, ImmutableMap.of(Resource.OPTION_SAVE_ONLY_IF_CHANGED,
Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER));
} else {
saveResource(eResource, ImmutableMap.of(Resource.OPTION_SAVE_ONLY_IF_CHANGED,
Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER));
}
}
}
}
}