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
*            one time, regardless of the control's size.
	 */
	public void setMaxRowsVisible(int maxRowsVisible) {
		this.maxRowsVisible = maxRowsVisible;
		updateVisibleRows();
	}
	/**
	 * @param fittingVertically
	 */
	public void setFittingVertically(boolean fittingVertically) {
		this.fittingVertically = fittingVertically;
		updateVisibleRows();
	}
	/**
	 * Method getNumRowsVisible. Returns the actual number of rows that are
	 * currently visible. Normally CompositeTable displays as many rows as will
	 * fit vertically given the control's size. This value can be clamped to a
	 * maximum using the MaxRowsVisible property.
	 * 
	 * @return the actual number of rows that are currently visible.
	 */
	public int getNumRowsVisible() {
		return rows.size();
	}
	/**
	 * Method setNumRowsInCollection. Sets the number of rows in the data
	 * structure that is being edited.
	 * 
	 * @param numRowsInCollection
	 *            the number of rows represented by the underlying data