gistfile1.java

import javax.swing.ActionMap;
import javax.swing.JPanel;
import javax.swing.text.DefaultEditorKit;
import org.openide.explorer.ExplorerManager;
import org.openide.explorer.ExplorerUtils;
import org.openide.util.Lookup;

public class ExplorerManagerProviderPanel extends JPanel
    implements ExplorerManager.Provider, Lookup.Provider
{
  private final ExplorerManager explorerManager = new ExplorerManager();
  private final Lookup lookup;

  public ExplorerManagerProviderPanel() {
    ActionMap map = this.getActionMap();
    map.put(DefaultEditorKit.copyAction, ExplorerUtils.actionCopy(explorerManager));
    map.put(DefaultEditorKit.cutAction, ExplorerUtils.actionCut(explorerManager));
    map.put(DefaultEditorKit.pasteAction, ExplorerUtils.actionPaste(explorerManager));
    map.put("delete", ExplorerUtils.actionDelete(explorerManager, true));
    lookup = ExplorerUtils.createLookup(explorerManager, map);
  }

  @Override
  public final ExplorerManager getExplorerManager() {
    return explorerManager;
  }
  @Override
  public final Lookup getLookup() {
    return lookup;
  }
}