bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/presentations/SystemMenuMovePane.java

/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.internal.presentations;

import org.eclipse.jface.action.Action;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.presentations.IPresentablePart;
import org.eclipse.ui.presentations.IStackPresentationSite;

/**
 * @since 3.0
 */
public class SystemMenuMovePane extends Action implements ISelfUpdatingAction {

	IStackPresentationSite site;
	
	public SystemMenuMovePane(IStackPresentationSite site) {
		this.site = site;
		setText(WorkbenchMessages.getString("SystemMenuMovePane.PaneName")); //$NON-NLS-1$
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.jface.action.IAction#run()
	 */
	public void run() {
		 site.dragStart(site.getSelectedPart(), Display.getDefault().getCursorLocation(), true);
	}
	
	public void update() {
		IPresentablePart part = site.getSelectedPart();
		setEnabled(part != null && site.isPartMoveable(part));
	}
	
    public boolean shouldBeVisible() {
    	return true;
    }
}