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/*****************************************************************************
* Copyright (c) 2014 CEA LIST.
*
* 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:
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.types.core.internal.ui.handlers;
import java.util.Iterator;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
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.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.gmf.runtime.emf.type.core.ClientContextManager;
import org.eclipse.gmf.runtime.emf.type.core.IClientContext;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.papyrus.infra.types.ElementTypeSetConfiguration;
import org.eclipse.papyrus.infra.types.core.Activator;
import org.eclipse.papyrus.infra.types.core.internal.ui.providers.ClientContextContentProvider;
import org.eclipse.papyrus.infra.types.core.registries.ElementTypeSetConfigurationRegistry;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ListSelectionDialog;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.statushandlers.StatusManager;
public class UndeployElementTypeSetConfigurationHandler extends AbstractHandler {
protected IClientContext clientContext;
/**
* {@inheritDoc}
*/
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
if (!(currentSelection instanceof IStructuredSelection) || currentSelection.isEmpty()) {
return null;
}
final IStructuredSelection selection = (IStructuredSelection) currentSelection;
final Shell activeShell = HandlerUtil.getActiveShell(event);
activeShell.getDisplay().syncExec(new Runnable() {
@Override
public void run() {
ListSelectionDialog dialog = new ListSelectionDialog(activeShell, ClientContextManager.getInstance().getClientContexts(), new ClientContextContentProvider(), new LabelProvider(),
"Select the clientContext you want to register the elementtypesconfiguration to");
dialog.open();
Object[] clientContextSelection = dialog.getResult();
if (clientContextSelection != null) {
if (clientContextSelection.length > 0) {
Object selectedClientContext = clientContextSelection[0];
if (selectedClientContext instanceof IClientContext) {
clientContext = (IClientContext) selectedClientContext;
}
}
}
}
});
if (clientContext == null) {
StatusManager.getManager().handle(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The elementTypes configuration has not been undeployed"), StatusManager.SHOW);
}
Job job = new Job("Undeploy elementTypes set configuration") {
@Override
protected IStatus run(IProgressMonitor monitor) {
monitor.beginTask("Undeploying selected configurations", selection.size());
return doExecute(selection, monitor, activeShell);
}
};
job.addJobChangeListener(new JobChangeAdapter() {
@Override
public void done(final IJobChangeEvent event) {
activeShell.getDisplay().asyncExec(new Runnable() {
public void run() {
if (event.getResult().isOK()) {
MessageDialog.openInformation(activeShell, "Success", event.getResult().getMessage());
} else if (event.getResult().getSeverity() < IStatus.ERROR) { // Errors are already logged
StatusManager.getManager().handle(event.getResult(), StatusManager.SHOW);
}
}
});
}
});
job.setUser(true);
job.schedule();
return null;
}
protected IStatus doExecute(IStructuredSelection selection, IProgressMonitor monitor, Shell shell) {
Iterator<?> selectionIterator = selection.iterator();
MultiStatus result = new MultiStatus(Activator.PLUGIN_ID, IStatus.OK, "The elementTypes configuration has been successfully undeployed", null);
while (selectionIterator.hasNext()) {
Object selectedElement = selectionIterator.next();
if (selectedElement instanceof IAdaptable) {
IFile selectedFile = (IFile) ((IAdaptable) selectedElement).getAdapter(IFile.class);
if (selectedFile == null) {
monitor.worked(1);
result.add(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The selected element is not a file"));
continue;
}
String fileName = selectedFile.getFullPath().removeFileExtension().lastSegment();
monitor.subTask("Deploy " + fileName);
URI emfURI = null;
if (selectedFile.getFullPath() != null) {
emfURI = URI.createPlatformResourceURI(selectedFile.getFullPath().toString(), true);
} else if (selectedFile.getRawLocation() != null) {
emfURI = URI.createFileURI(selectedFile.getRawLocation().toString());
}
if (emfURI == null) {
monitor.worked(1);
result.add(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The selected element is not a valid configuration file"));
continue;
}
monitor.subTask("Reset elementTypes Registry");
ResourceSet resourceSet = new ResourceSetImpl();
Resource resource = resourceSet.getResource(emfURI, true);
EObject root = resource.getContents().get(0);
if (!(root instanceof ElementTypeSetConfiguration)) {
result.add(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The selected element is not a valid configuration file"));
continue;
}
ElementTypeSetConfigurationRegistry.getInstance().unload(clientContext.getId(), ((ElementTypeSetConfiguration) root).getIdentifier());
monitor.worked(1);
result.add(new Status(IStatus.OK, Activator.PLUGIN_ID, "The elementTypes configuration has been successfully undeployed"));
}
}
if (result.getChildren().length == 1) {
return result.getChildren()[0];
} else { // Merge the result and specify an appropriate message based on the result
if (result.isOK()) {
return result;
} else {
MultiStatus actualResult = new MultiStatus(Activator.PLUGIN_ID, result.getCode(), "Some errors occurred during the undeployment", result.getException());
actualResult.merge(result);
return actualResult;
}
}
}
}
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