org.eclipse.mylyn.sandbox.ui/src/org/eclipse/mylyn/internal/sandbox/misc/IntrospectObjectAction.java

/*******************************************************************************
 * Copyright (c) 2004 - 2006 University Of British Columbia and others.
 * 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:
 *     University Of British Columbia - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylar.internal.sandbox.misc;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.mylar.provisional.core.IMylarElement;
import org.eclipse.mylar.provisional.core.IMylarStructureBridge;
import org.eclipse.mylar.provisional.core.MylarPlugin;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;

/**
 * @author Mik Kersten
 */
public class IntrospectObjectAction implements IViewActionDelegate {

	private ISelection currentSelection;

	public void init(IViewPart view) {

	}

	public void run(IAction action) {
		if (currentSelection instanceof StructuredSelection) {
			StructuredSelection selection = (StructuredSelection) currentSelection;
			Object object = selection.getFirstElement();

			String text = "Object class: " + object.getClass() + "\n\n";

			try {
				IMylarStructureBridge bridge = MylarPlugin.getDefault().getStructureBridge(object);
				IMylarElement node = MylarPlugin.getContextManager().getElement(bridge.getHandleIdentifier(object));
				if (node != null) {
					text += "Interest value: " + node.getInterest().getValue() + "\n";
					text += node.getInterest().toString();
				}
			} catch (Throwable t) {
				text += "<no structure bridge>";
			}

			MessageDialog.openInformation(null, "Mylar Sandbox", text);
		}
	}

	public void selectionChanged(IAction action, ISelection selection) {
		this.currentSelection = selection;
	}

}