plugins/contracts/org.polarsys.chess.contracts.refinementView/src/org/polarsys/chess/contracts/refinementView/listener/SelectionListener.java

/*******************************************************************************
 * Copyright (C) 2017 Fondazione Bruno Kessler.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 * 
 * Contributors:
 *     Alberto Debiasi - initial API and implementation
 ******************************************************************************/
package org.polarsys.chess.contracts.refinementView.listener;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.polarsys.chess.contracts.refinementView.view.CustomRefinementView;
import org.polarsys.chess.core.resourcelistener.SelectionListenerExtra;

public class SelectionListener extends SelectionListenerExtra {

	private IProject prevProject;

	@Override
	public void selectionChanged(IWorkbenchPart part, ISelection selection) {

		if (selection instanceof IStructuredSelection) {
			Object element = ((IStructuredSelection) selection).getFirstElement();
			if (element instanceof IAdaptable) {
				IResource resource = (IResource) ((IAdaptable) element).getAdapter(IResource.class);
				if (resource != null) {
					final IProject project = resource.getProject();
					if (project != prevProject) {
						IWorkbench workbench = PlatformUI.getWorkbench();
						IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
						IViewPart modelExplorerViewPart;

						modelExplorerViewPart = window.getActivePage().findView(CustomRefinementView.View_ID);
						if (modelExplorerViewPart != null) {
							CustomRefinementView view = (CustomRefinementView) modelExplorerViewPart;
							view.updateView();
							prevProject = project;
						}
					}
				}
			}
		}

	}

}