plugins/org.eclipse.viatra2.gui/src/org/eclipse/viatra2/frameworkgui/actions/DisposeFrameworkAction.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Istvan Rath and Daniel Varro
 * 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:
 *    Istvan Rath - initial API and implementation
 *******************************************************************************/

 package org.eclipse.viatra2.frameworkgui.actions;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.viatra2.frameworkgui.content.FrameworkContainer;
import org.eclipse.viatra2.frameworkgui.views.FrameworkTreeView;

public class DisposeFrameworkAction extends AbstractFrameworkGUIAction {

	private boolean isEnabled = true;

	public DisposeFrameworkAction(FrameworkTreeView part) {
		super();
		setupInternals(part);
		setText("Dispose framework");
		setToolTipText("Dispose a framework; CAUTION: do not dispose of frameworks which are currently in use by an editor!");
		setImageDescriptor(PlatformUI.getWorkbench().getSharedImages()
				.getImageDescriptor(ISharedImages.IMG_TOOL_DELETE));
	}

	public void run() {
		ISelection sel = iFT.getSelection();
		if (sel instanceof IStructuredSelection) {
			Object o = ((IStructuredSelection) sel).getFirstElement();
			if (o instanceof FrameworkContainer) 
			{
				iViatraFramework = ((FrameworkContainer)o).getFramework();
				try {
					iFT.getFrameWorkManager().disposeFramework(
							iViatraFramework.getId());
					iFT.refreshViewer(null);
				} catch (Exception e) {
					iFT.showMessage(e.getMessage());
				}
			}
		}

	}

	public boolean isEnabled() {
		return isEnabled;
	}

	public void calculateEnabled() {
		ISelection sel = iFT.getSelection();
		if (sel instanceof IStructuredSelection) {
			Object o = ((IStructuredSelection) sel).getFirstElement();
			isEnabled = (o instanceof FrameworkContainer);
		} else
			isEnabled = false;
		this.setEnabled(isEnabled);
		iFT.updateLocalToolBar();
	}

}