namespaceselectionaction.java

SWT开发的Java调用COM的工具集

/*
 * Copyright (c) 2007 Software Wizards Pty Ltd, Victoria, Australia.
 * mailto:[e-mail]. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted. See the GNU General Public License
 * for more details.
 *
 * Redistribution of the SWTtoCOM software is not permitted as part of any
 * commercial product. Licensing terms for such distribution may be
 * obtained from the copyright holder.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package au.com.swz.swttocom.example.win32explorer.views;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.ole.win32.Variant;

import au.com.swz.swttocom.example.win32explorer.shell.Folder;
import au.com.swz.swttocom.example.win32explorer.shell.Shell;
import au.com.swz.swttocom.example.win32explorer.shell.enums.ShellSpecialFolderConstants;

public class NamespaceSelectionAction extends Action {
	private TreeViewer viewer;
	private Shell win32Shell;
	private ShellSpecialFolderConstants namespace; 
	
	public NamespaceSelectionAction(
			TreeViewer viewer,
			String text,
			int shellImageIndex,
			Shell win32Shell,
			ShellSpecialFolderConstants namespace)
	{
		super(text);
		if (shellImageIndex > 0) {
			Image image = Utils.extractShell32Image(shellImageIndex);
			if (image != null) {
				setImageDescriptor(ImageDescriptor.createFromImage(image));
				image.dispose();
			}
		}
		this.viewer = viewer;
		this.win32Shell = win32Shell;
		this.namespace = namespace;
	}

	public void run() {
		try {
			Folder folder = win32Shell.nameSpace(new Variant(namespace.getValue()));
			viewer.setInput(new FolderTreeObject(null, folder, null));
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}