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/**
* Copyright (c) 2013 Mia-Software.
*
* 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:
* Gregoire Dupe (Mia-Software) - Bug 406570 - Handlers to Save and SaveAs EMF resources
*/
package org.eclipse.papyrus.emf.facet.util.emf.ui.internal.handler;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.papyrus.emf.facet.util.emf.ui.internal.ResourceUiUtils;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
public class SaveAsHandler implements IHandler {
@Override
public void addHandlerListener(final IHandlerListener handlerListener) {
// Nothing to do
}
@Override
public void dispose() {
// Nothing to do
}
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
final Shell shell = HandlerUtil.getActiveShell(event);
for (Object object : getSelection()) {
if (object instanceof Resource) {
final Resource resource = (Resource) object;
ResourceUiUtils.openSaveAsDialog(resource, shell);
} else if (object instanceof IAdaptable) {
final IAdaptable adaptable = (IAdaptable) object;
final Resource resource = (Resource) adaptable
.getAdapter(Resource.class);
if (resource != null) {
ResourceUiUtils.openSaveAsDialog(resource, shell);
}
}
}
return null;
}
@Override
public boolean isEnabled() {
return true;
}
@Override
public boolean isHandled() {
return isEnabled();
}
@Override
public void removeHandlerListener(final IHandlerListener handlerListener) {
// Nothing to do
}
private static <E> List<E> getSelection() {
final List<E> result = new ArrayList<E>();
final IWorkbenchWindow wWindow = getActiveWindow();
final ISelectionService selectService = wWindow.getSelectionService();
final ISelection selection = selectService.getSelection();
if (selection instanceof StructuredSelection) {
final StructuredSelection structS = (StructuredSelection) selection;
@SuppressWarnings("unchecked")
// @SuppressWarnings This cast is unsafe but the framework does not
// provide other way to do
final List<E> list = structS.toList();
result.addAll(list);
}
return result;
}
private static IWorkbenchWindow getActiveWindow() {
final IWorkbench workbench = PlatformUI.getWorkbench();
return workbench.getActiveWorkbenchWindow();
}
}
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