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/*****************************************************************************
* Copyright (c) 2013, 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.migration.rsa.handler;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
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.emf.common.util.URI;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.migration.rsa.Activator;
import org.eclipse.papyrus.migration.rsa.RSAToPapyrusParameters.Config;
import org.eclipse.papyrus.migration.rsa.RSAToPapyrusParameters.RSAToPapyrusParametersFactory;
import org.eclipse.papyrus.migration.rsa.transformation.ImportTransformationLauncher;
import org.eclipse.papyrus.views.properties.creation.PropertyEditorFactory;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
public class ImportHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection == null || selection.isEmpty()) {
return null;
}
Set<IFile> filesToImport = new HashSet<IFile>();
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
Iterator<?> selectionIterator = structuredSelection.iterator();
while (selectionIterator.hasNext()) {
Object selectedElement = selectionIterator.next();
if (selectedElement instanceof IAdaptable) {
IFile selectedFile = (IFile) ((IAdaptable) selectedElement).getAdapter(IFile.class);
if (selectedFile == null) {
continue;
}
// EFX files can be selected (Makes it easier to select a set of files),
// but they will be imported by their parent model
String fileExtension = selectedFile.getFileExtension();
if ("epx".equals(fileExtension) || "emx".equals(fileExtension)) { //$NON-NLS-1$ //$NON-NLS-2$
filesToImport.add(selectedFile);
}
}
}
}
if (filesToImport.isEmpty()) {
Activator.log.warn("The selection doesn't contain any *.epx nor *.emx file");
} else {
importFiles(filesToImport, event);
}
return null;
}
public void importFiles(Set<IFile> selectedFiles, ExecutionEvent event) {
Config config = getTransformationParameters(event);
if (config == null) {
return;
}
List<URI> urisToImport = new LinkedList<URI>();
for (IFile selectedFile : selectedFiles) {
URI uri = URI.createPlatformResourceURI(selectedFile.getFullPath().toString(), true);
urisToImport.add(uri);
}
// The Event's control is (or may be) a Context Menu, which will be disposed soon: retrieve its own parent instead (The main Window), if it has one.
Control baseControl = HandlerUtil.getActiveShell(event);
if (baseControl != null && !baseControl.isDisposed() && baseControl.getParent() != null) {
baseControl = baseControl.getParent();
}
// On some platforms, it seems that the ActiveShell (Context Menu) may already be disposed (Bug 455011). Use the Active Workbench Window directly
if (baseControl == null || baseControl.isDisposed()) {
baseControl = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
}
ImportTransformationLauncher launcher = new ImportTransformationLauncher(config, baseControl);
launcher.run(urisToImport);
}
public Config getTransformationParameters(ExecutionEvent event) {
Config config = RSAToPapyrusParametersFactory.eINSTANCE.createConfig();
Shell activeShell = HandlerUtil.getActiveShell(event);
final AtomicBoolean okPressed = new AtomicBoolean(true);
PropertyEditorFactory factory = new PropertyEditorFactory() {
@Override
public String getEditionDialogTitle(Object objectToEdit) {
return "Transformation parameters";
}
@Override
protected void handleEditCancelled(Control widget, Object source) {
okPressed.set(false);
super.handleEditCancelled(widget, source);
}
};
Object result = factory.edit(activeShell, config);
if (!okPressed.get()) {
return null;
}
// Result can be null, the source config, or a new config
if (result instanceof Config) {
config = (Config) result;
}
return config;
}
}
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