diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/Listing3006.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing3006.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing3006.java | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3006.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3006.java new file mode 100644 index 0000000..636c826 --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3006.java @@ -0,0 +1,73 @@ +/* Listing3006.java */
+
+import java.awt.*;
+import java.awt.event.*;
+
+class MyPopupMenu
+extends PopupMenu
+{
+ public MyPopupMenu(ActionListener listener)
+ {
+ MenuItem mi;
+
+ mi = new MenuItem("Rueckgaengig");
+ mi.addActionListener(listener);
+ add(mi);
+
+ addSeparator();
+
+ mi = new MenuItem("Ausschneiden");
+ mi.addActionListener(listener);
+ add(mi);
+
+ mi = new MenuItem("Kopieren");
+ mi.addActionListener(listener);
+ add(mi);
+
+ mi = new MenuItem("Einfuegen");
+ mi.addActionListener(listener);
+ add(mi);
+ }
+}
+
+public class Listing3006
+extends Frame
+implements ActionListener
+{
+ MyPopupMenu popup;
+
+ public static void main(String[] args)
+ {
+ Listing3006 wnd = new Listing3006();
+ }
+
+ public Listing3006()
+ {
+ super("Kontextmenü");
+ setLocation(100,100);
+ setSize(300,200);
+ setVisible(true);
+ addWindowListener(new WindowClosingAdapter(true));
+ //Kontextmenü erzeugen und aktivieren
+ popup = new MyPopupMenu(this);
+ add(popup);
+ enableEvents(AWTEvent.MOUSE_EVENT_MASK);
+ }
+
+ public void processMouseEvent(MouseEvent event)
+ {
+ if (event.isPopupTrigger()) {
+ popup.show(
+ event.getComponent(),
+ event.getX(),
+ event.getY()
+ );
+ }
+ super.processMouseEvent(event);
+ }
+
+ public void actionPerformed(ActionEvent event)
+ {
+ System.out.println(event.getActionCommand());
+ }
+}
\ No newline at end of file |