Bug 146750 [DataBinding][CompositeTable] Crash when dragging scroll bar
Run CompositeTableTest Drag scroll bar down Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: -1, Size: 6 at java.util.LinkedList.entry(LinkedList.java:360) at java.util.LinkedList.get(LinkedList.java:303) at org.eclipse.jface.examples.databinding.compositetable.InternalCompositeTable.currentRow(InternalCompositeTable.java:1671) at org.eclipse.jface.examples.databinding.compositetable.InternalCompositeTable.fireRowDepartEvent(InternalCompositeTable.java:1511) at org.eclipse.jface.examples.databinding.compositetable.InternalCompositeTable.setTopRow(InternalCompositeTable.java:732) at org.eclipse.jface.examples.databinding.compositetable.InternalCompositeTable$2.widgetSelected(InternalCompositeTable.java:1239) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1074) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3158) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2838) at org.eclipse.jface.examples.databinding.compositetable.test.CompositeTableTest.main(CompositeTableTest.java:167)
examples/org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/compositetable/InternalCompositeTable.java
*            The collection containing TableRow objects to dispose.
	 */
	private void disposeRows(LinkedList rowsCollection) {
		for (Iterator rowsIter = rowsCollection.iterator(); rowsIter.hasNext();) {
			TableRow row = (TableRow) rowsIter.next();
			row.dispose();
		}
	}
	
	
	/**
	 * Layout the child controls within the controlHolder Composite.
	 */
	protected void layoutControlHolder() {
		if (myHeader != null)
			layoutChild(myHeader, true);
		for (Iterator rowsIter = rows.iterator(); rowsIter.hasNext();) {
			TableRow row = (TableRow) rowsIter.next();
			layoutChild(row.getRowControl(), false);
		}
		updateVisibleRows();
	}
	/**
	 * Layout a particular row or header control (child control of the
	 * controlHolder). If the child control has a layout manager, we delegate to
	 * that layout manager. Otherwise, we use the built in table layout manager.
	 * 
	 * @param child
	 *            The row or header control to layout.
	 * @param isHeader