import java.io.File;
 
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
 
public class FileExplorer extends ApplicationWindow {
	public FileExplorer() {
		super(null);
	}
 
 
	protected Control createContents(Composite parent) {
		// 트리뷰를 생성
		TreeViewer treeView = new TreeViewer(parent);
		// 트리뷰표시를 위한 프로바이더
		treeView.setContentProvider(new FileTreeContentProvider());
		// 표시할 리스트 목록
		treeView.setInput(new File("C:\\"));
		return treeView.getTree();
	}
 
	/**
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		FileExplorer w = new FileExplorer();
		w.setBlockOnOpen(true);
		w.open();
		Display.getCurrent().dispose();
	}
}
 
class FileTreeContentProvider implements ITreeContentProvider {
 
	@Override
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void dispose() {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public Object[] getElements(Object inputElement) {
		// TODO Auto-generated method stub
		return getChildren(inputElement);
	}
 
	@Override
	public Object[] getChildren(Object parentElement) {
		// TODO Auto-generated method stub
		Object[] child = ((File) parentElement).listFiles();
		return child == null ? new Object[0] : child;
	}
 
	@Override
	public Object getParent(Object element) {
		// TODO Auto-generated method stub
		return ((File) element).getParent();
	}
 
	@Override
	public boolean hasChildren(Object element) {
		// TODO Auto-generated method stub
		return getChildren(element).length > 0;
	}
}