diff options
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing3610.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing3610.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3610.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3610.java new file mode 100644 index 0000000..ec07a0f --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3610.java @@ -0,0 +1,85 @@ +/* Listing3610.java */
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.border.*;
+
+public class Listing3610
+extends JFrame
+implements MouseListener, ActionListener
+{
+ public Listing3610()
+ {
+ super("Kontextmenüs");
+ addWindowListener(new WindowClosingAdapter(true));
+ addMouseListener(this);
+ }
+
+ //MouseListener
+ public void mouseClicked(MouseEvent event)
+ {
+ checkPopupMenu(event);
+ }
+
+ public void mouseEntered(MouseEvent event)
+ {
+ }
+
+ public void mouseExited(MouseEvent event)
+ {
+ }
+
+ public void mousePressed(MouseEvent event)
+ {
+ checkPopupMenu(event);
+ }
+
+ public void mouseReleased(MouseEvent event)
+ {
+ checkPopupMenu(event);
+ }
+
+ private void checkPopupMenu(MouseEvent event)
+ {
+ if (event.isPopupTrigger()) {
+ JPopupMenu popup = new JPopupMenu();
+ //Rückgängig hinzufügen
+ JMenuItem mi = new JMenuItem("Rueckgaengig");
+ mi.addActionListener(this);
+ popup.add(mi);
+ //Separator hinzufügen
+ popup.addSeparator();
+ //Ausschneiden, Kopieren, Einfügen hinzufügen
+ mi = new JMenuItem("Ausschneiden");
+ mi.addActionListener(this);
+ popup.add(mi);
+ mi = new JMenuItem("Kopieren");
+ mi.addActionListener(this);
+ popup.add(mi);
+ mi = new JMenuItem("Einfuegen");
+ mi.addActionListener(this);
+ popup.add(mi);
+ //Menü anzeigen
+ popup.show(
+ event.getComponent(),
+ event.getX(),
+ event.getY()
+ );
+ }
+ }
+
+ //ActionListener
+ public void actionPerformed(ActionEvent event)
+ {
+ System.out.println(event.getActionCommand());
+ }
+
+ public static void main(String[] args)
+ {
+ Listing3610 frame = new Listing3610();
+ frame.setLocation(100, 100);
+ frame.setSize(300, 200);
+ frame.setVisible(true);
+ }
+}
\ No newline at end of file |
