1 files changed, 47 insertions, 0 deletions
diff --git a/docs/teaching/exercises/figures/ShapeFigureElement.java b/docs/teaching/exercises/figures/ShapeFigureElement.java
new file mode 100644
index 000000000..b09bad10e
--- /dev/null
+++ b/docs/teaching/exercises/figures/ShapeFigureElement.java
@@ -0,0 +1,47 @@
+/* *******************************************************************
+ * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
+ * All rights reserved. 
+ * This program and the accompanying materials are made available 
+ * under the terms of the Common Public License v1.0 
+ * which accompanies this distribution and is available at 
+ * http://www.eclipse.org/legal/cpl-v10.html 
+ *  
+ * Contributors: 
+ *     PARC     initial implementation 
+ * ******************************************************************/
+
+
+package figures;
+
+import java.awt.*;
+import java.awt.geom.*;
+
+public abstract class ShapeFigureElement implements FigureElement {
+    public abstract void move(int dx, int dy);
+
+    public abstract Shape getShape();
+
+    public Rectangle getBounds() {
+        return getShape().getBounds();
+    }
+
+    public boolean contains(Point2D p) {
+        return getShape().contains(p);
+    }
+
+    public Color getLineColor() {
+        return Color.black;
+    }
+
+    public Color getFillColor() {
+        return Color.red;
+    }
+
+    public final void paint(Graphics2D g2) {
+        Shape shape = getShape();
+        g2.setPaint(getFillColor());
+        g2.fill(shape);
+        g2.setPaint(getLineColor());
+        g2.draw(shape);
+    }
+}