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
int topRowDelta = computeTopRowDelta(row);
		if (topRowDelta != 0) {
			setTopRow(topRow + topRowDelta);
			row += -1 * topRowDelta;
			internalSetSelection(column, row, true);
		} else {
			if (row == currentRow)
				internalSetSelection(column, row, false);
			else {
				if (fireRequestRowChangeEvent())
					internalSetSelection(column, row, true);
			}
		}
	}
	/**
	 * Method setWeights. Indicates that the column weights were just set and we
	 * should re-layout the control holder object.
	 */
	public void setWeights() {
		layoutControlHolder();
	}
	
	
	/**
	 * Adds the specified listener to the set of listeners that will be notified
	 * when a row refresh event occurs.
	 * 
	 * @param listener
	 *            the listener to add.
	 */