add Popup Menu to JComponent - Java Swing

Java examples for Swing:JPopupMenu

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Description

add Popup Menu to JComponent

Demo Code


//package com.java2s;
import javax.swing.*;

import java.awt.event.*;
import java.lang.reflect.InvocationTargetException;

public class Main {
    public static void addPopupMenu(final JComponent c,
            final JPopupMenu popup) {
        c.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                if (e.isPopupTrigger() && popup.isEnabled()) {
                    popup.setInvoker(e.getComponent());
                    popup.show(e.getComponent(), e.getX(), e.getY());
                }/*from   w w w  .  j av  a2  s  . c om*/
            }

            public void mouseReleased(MouseEvent e) {
                if (e.isPopupTrigger() && popup.isEnabled()) {
                    popup.setInvoker(e.getComponent());
                    popup.show(e.getComponent(), e.getX(), e.getY());
                }
            }
        });
    }

    public static void show(Throwable e) {
        show(e, null);
    }

    public static void show(final Throwable e, final JComponent parent) {
        // System.out.println(e);
        try {
            invoke(new Runnable() {
                public void run() {
                    JOptionPane.showMessageDialog(parent, e.toString(),
                            "Error", JOptionPane.ERROR_MESSAGE);
                }
            });
        } catch (InterruptedException e1) {
        } catch (java.lang.reflect.InvocationTargetException e1) {
            System.err.println(e1.getTargetException());
            // Debug.log(e1.getTargetException());
        }
    }

    public static void invoke(Runnable r) throws InterruptedException,
            InvocationTargetException {
        if (SwingUtilities.isEventDispatchThread()) {
            try {
                r.run();
            } catch (Exception e) {
                throw new InvocationTargetException(e);
            }
        } else {
            SwingUtilities.invokeAndWait(r);
        }
    }
}

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