how to get parent panel in java?

Question

I have created 3 panels. In the root panel I have added `JTabbedPane`, inside one of the tabs I have added second `Panel` with `BorderLayout` and finally in the `BorderLayout.WEST` the 3rd one. Inside the 3rd one I have added a `JTree` with `PopupMenu`. How can I get root panel inside actionPerformed of `PopupMenu`? ``` menuItem.addActionListener(new AbstractAction() { public void actionPerformed(ActionEvent e) { System.out.println("one:"+tree.getParent().getName()); System.out.println("two:"+tree.getParent().getParent().getName()); System.out.println("three:"+tree.getParent().getParent().getParent().getName()); new UnzipFile(file, file.getParentFile(), (rootPanel) tree.getParent().getParent().getParent() ).run(); } }); ``` output: ``` Exception in thread "AWT-EventQueue-1" java.lang.ClassCastException: de.util.scanners.view.FileTreePanel at de.util.scanners.view.FileTreePanel$2$1.actionPerformed(FileTreePanel.java:109) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.…

Accepted Answer

You could use the SwingUtilities.getAncestorOfClass method.

how to get parent panel in java?

Solution

Problem