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
private void internalSetSelection(int column, int row, boolean rowChange) {
		Control toFocus = getControl(column, row);
		if (toFocus.isFocusControl()) {
			toFocus.notifyListeners(SWT.FocusIn, new Event());
		} else {
			deferredSetFocus(toFocus, rowChange);
		}
	}
	/**
	 * Set the focus to the specified control after allowing all pending events
	 * to complete first. If rowChange is true, fire a row arrive event after
	 * the focus has been set.
	 * 
	 * @param toFocus
	 *            The SWT Control to focus
	 * @param rowChange
	 *            true if the rowArrive event should be fired; false otherwise.
	 */
	private void deferredSetFocus(final Control toFocus, final boolean rowChange) {
		Display.getCurrent().asyncExec(new Runnable() {
			public void run() {
				toFocus.setFocus();
				if (rowChange) {
					fireRowArriveEvent();
				}
			}
		});
	}
}