1 files changed, 59 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java
new file mode 100644
index 0000000..ba756fd
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3612.java
@@ -0,0 +1,59 @@
+/* Listing3612.java */
+
+import java.awt.*;
+import javax.swing.*;
+
+public class Listing3612
+extends JFrame
+{
+  public Listing3612()
+  {
+    super("Transparenz");
+    addWindowListener(new WindowClosingAdapter(true));
+    Container cp = getContentPane();
+    //SimpleGridComponent erzeugen
+    SimpleGridComponent grid = new SimpleGridComponent();
+    grid.setLayout(new FlowLayout(FlowLayout.CENTER));
+    //Transparenten Button hinzufügen
+    JButton button = new JButton("Transparent");
+    button.setOpaque(false);
+    grid.add(button);
+    //Undurchsichtigen Button hinzufügen
+    button = new JButton("Opaque");
+    grid.add(button);
+    //SimpleGridComponent hinzufügen
+    cp.add(grid, BorderLayout.CENTER);
+  }
+
+  public static void main(String[] args)
+  {
+    try {
+      String plaf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
+      UIManager.setLookAndFeel(plaf);
+      Listing3612 frame = new Listing3612();
+      frame.setLocation(100, 100);
+      frame.setSize(300, 100);
+      frame.setVisible(true);
+    } catch (Exception e) {
+      e.printStackTrace();
+      System.exit(1);
+    }
+  }
+}
+
+class SimpleGridComponent
+extends JComponent
+{
+  protected void paintComponent(Graphics g)
+  {
+    int width = getSize().width;
+    int height = getSize().height;
+    g.setColor(Color.gray);
+    for (int i = 0; i < width; i += 10) {
+      g.drawLine(i, 0, i, height);
+    }
+    for (int i = 0; i < height; i += 10) {
+      g.drawLine(0, i, width, i);
+    }
+  }
+}
+\ No newline at end of file