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/*******************************************************************************
* Copyright (c) 2013 Atos
* 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:
* Arthur Daussy - initial implementation
*******************************************************************************/
package org.eclipse.papyrus.team.collaborative.integration.papyrus.ui.actions;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
import org.eclipse.papyrus.team.collaborative.ExtendedURI;
import org.eclipse.papyrus.team.collaborative.ICollaborativeManager;
import org.eclipse.papyrus.team.collaborative.IExtendedURI;
import org.eclipse.papyrus.team.collaborative.integration.papyrus.MatchingURIObject;
import org.eclipse.papyrus.team.collaborative.integration.papyrus.ui.ICollabColors;
import org.eclipse.papyrus.team.collaborative.integration.papyrus.ui.dialogs.PreviewDialog;
import org.eclipse.papyrus.team.collaborative.integration.papyrus.ui.providers.ExtensivePartitionNameLabelProvider;
import org.eclipse.papyrus.team.collaborative.integration.papyrus.utils.UIUtils;
import org.eclipse.papyrus.team.collaborative.participants.version.IReverter;
import org.eclipse.papyrus.team.collaborative.reports.CollabStatus;
import org.eclipse.swt.widgets.Display;
// TODO: Auto-generated Javadoc
/**
* Handler use for Revert action
* The revert action will be performe on all the current model.
*
* @author adaussy
*/
public class RevertHandler extends AbstractCollabHandler {
/*
* (non-Javadoc)
*
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
//Check that everything is commit
if(!UIUtils.saveAllDirtyEditor().isOK()) {
return null;
}
ResourceSet resourceSet = getResourceSet();
if(resourceSet == null) {
UIUtils.errorDialog(CollabStatus.createErrorStatus("unable to retreive the resource set"), "Collaboratibe error");
return null;
}
Set<IExtendedURI> uris = new HashSet<IExtendedURI>();
for(Resource r : resourceSet.getResources()) {
IFile file = WorkspaceSynchronizer.getFile(r);
if(file != null && file.exists()) {
uris.add(new ExtendedURI(r.getURI()));
}
}
IStatus status = doRevert(uris, resourceSet);
if(!status.isOK() && status.getCode() == Status.ERROR) {
UIUtils.errorDialog(status, "Error");
}
return null;
}
/**
* Do revert action
*
* @param uris
* the uris about to be reverted
* @param resourceSet
* the resource set
* @return the {@link IStatus} of the operation
* @throws CollabException
* the collab exception
*/
public static IStatus doRevert(Set<IExtendedURI> uris, ResourceSet resourceSet) {
IReverter reverter = ICollaborativeManager.INSTANCE.getReverter(uris, resourceSet);
if(reverter == null) {
CollabStatus errorStatus = CollabStatus.createErrorStatus("Unable to find a reverter");
return errorStatus;
}
Set<IExtendedURI> toBeCommitted = reverter.getExtendedSet();
IStatus status = doRevertFromBuilder(resourceSet, reverter, toBeCommitted);
return status;
}
/**
* Do revert using an existing {@link IReverter}s
*
* @param resourceSet
* the resource set
* @param reverter
* the reverter
* @param toBeReverted
* the {@link IExtendedURI} about to be reverted
* @return the {@link IStatus} of the operation
* @throws CollabException
* the collab exception
*/
public static IStatus doRevertFromBuilder(ResourceSet resourceSet, IReverter reverter, Set<IExtendedURI> toBeReverted) {
ExtensivePartitionNameLabelProvider labelProvider = new ExtensivePartitionNameLabelProvider(new MatchingURIObject(toBeReverted),UIUtils.getModelExplorerLavelProvider());
labelProvider.setColor(ICollabColors.REVERT_COLLOR);
PreviewDialog revertDialog = new PreviewDialog(Display.getDefault().getActiveShell(), labelProvider, "Revert Dialog", "Element in yellow will be reverted");
Collection<EObject> objectsToReveal = UIUtils.getLeafSemanticElement(toBeReverted, resourceSet);
if(objectsToReveal != null && !objectsToReveal.isEmpty()) {
revertDialog.setObjectsToReveal(objectsToReveal);
}
if(revertDialog.open() == PreviewDialog.OK) {
//Keep lock force to true. This shall be improve later
IStatus commitStatus = reverter.revert();
UIUtils.refreshModelExplorer(toBeReverted, resourceSet);
UIUtils.reloadEditor();
return commitStatus;
} else {
return Status.CANCEL_STATUS;
}
}
}
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