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diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyImageDescriptor.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyImageDescriptor.java
new file mode 100644
index 00000000..40f3265d
--- /dev/null
+++ b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyImageDescriptor.java
@@ -0,0 +1,161 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Jesper Kamstrup Linnet (eclipse@kamstrup-linnet.dk) - initial API and implementation
+ *          (report 36180: Callers/Callees view)
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.callhierarchy;
+
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.Point;
+
+import org.eclipse.core.runtime.Assert;
+
+import org.eclipse.jface.resource.CompositeImageDescriptor;
+import org.eclipse.jface.resource.ImageDescriptor;
+
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.JavaPluginImages;
+
+
+public class CallHierarchyImageDescriptor extends CompositeImageDescriptor {
+
+    /** Flag to render the recursive adornment */
+    public final static int RECURSIVE=       0x001;
+
+    /** Flag to render the callee adornment */
+    public final static int MAX_LEVEL=       0x002;
+
+    private ImageDescriptor fBaseImage;
+    private int fFlags;
+    private Point fSize;
+
+    /**
+     * Creates a new CallHierarchyImageDescriptor.
+     *
+     * @param baseImage an image descriptor used as the base image
+     * @param flags flags indicating which adornments are to be rendered. See <code>setAdornments</code>
+     *  for valid values.
+     * @param size the size of the resulting image
+     * @see #setAdornments(int)
+     */
+    public CallHierarchyImageDescriptor(ImageDescriptor baseImage, int flags, Point size) {
+        fBaseImage= baseImage;
+        Assert.isNotNull(fBaseImage);
+        fFlags= flags;
+        Assert.isTrue(fFlags >= 0);
+        fSize= size;
+        Assert.isNotNull(fSize);
+    }
+
+    /**
+     * Sets the descriptors adornments. Valid values are: <code>RECURSIVE</code>, <code>CALLER</code>,
+     * <code>CALLEE</code>, <code>MAX_LEVEL</code>, or any combination of those.
+     *
+     * @param adornments the image descritpors adornments
+     */
+    public void setAdornments(int adornments) {
+        Assert.isTrue(adornments >= 0);
+        fFlags= adornments;
+    }
+
+    /**
+     * Returns the current adornments.
+     *
+     * @return the current adornments
+     */
+    public int getAdronments() {
+        return fFlags;
+    }
+
+    /**
+     * Sets the size of the image created by calling <code>createImage()</code>.
+     *
+     * @param size the size of the image returned from calling <code>createImage()</code>
+     * @see ImageDescriptor#createImage()
+     */
+    public void setImageSize(Point size) {
+        Assert.isNotNull(size);
+        Assert.isTrue(size.x >= 0 && size.y >= 0);
+        fSize= size;
+    }
+
+    /**
+     * Returns the size of the image created by calling <code>createImage()</code>.
+     *
+     * @return the size of the image created by calling <code>createImage()</code>
+     * @see ImageDescriptor#createImage()
+     */
+    public Point getImageSize() {
+        return new Point(fSize.x, fSize.y);
+    }
+
+    /* (non-Javadoc)
+     * Method declared in CompositeImageDescriptor
+     */
+    @Override
+	protected Point getSize() {
+        return fSize;
+    }
+
+    /* (non-Javadoc)
+     * Method declared on Object.
+     */
+    @Override
+	public boolean equals(Object object) {
+        if (object == null || !CallHierarchyImageDescriptor.class.equals(object.getClass()))
+            return false;
+
+        CallHierarchyImageDescriptor other= (CallHierarchyImageDescriptor)object;
+        return (fBaseImage.equals(other.fBaseImage) && fFlags == other.fFlags && fSize.equals(other.fSize));
+    }
+
+    /* (non-Javadoc)
+     * Method declared on Object.
+     */
+    @Override
+	public int hashCode() {
+        return fBaseImage.hashCode() | fFlags | fSize.hashCode();
+    }
+
+    /* (non-Javadoc)
+     * Method declared in CompositeImageDescriptor
+     */
+    @Override
+	protected void drawCompositeImage(int width, int height) {
+        ImageData bg= getImageData(fBaseImage);
+
+        drawImage(bg, 0, 0);
+        drawBottomLeft();
+    }
+
+	private ImageData getImageData(ImageDescriptor descriptor) {
+		ImageData data= descriptor.getImageData(); // see bug 51965: getImageData can return null
+		if (data == null) {
+			data= DEFAULT_IMAGE_DATA;
+			JavaPlugin.logErrorMessage("Image data not available: " + descriptor.toString()); //$NON-NLS-1$
+		}
+		return data;
+	}
+
+    private void drawBottomLeft() {
+        Point size= getSize();
+        int x= 0;
+        ImageData data= null;
+        if ((fFlags & RECURSIVE) != 0) {
+            data= getImageData(JavaPluginImages.DESC_OVR_RECURSIVE);
+            drawImage(data, x, size.y - data.height);
+            x+= data.width;
+        }
+        if ((fFlags & MAX_LEVEL) != 0) {
+            data= getImageData(JavaPluginImages.DESC_OVR_MAX_LEVEL);
+            drawImage(data, x, size.y - data.height);
+            x+= data.width;
+        }
+    }
+}