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
}
				deselectCurrentRowIfVisible();
				setTopRow(topRow - 1);
				++currentRow;
				if (currentRow == 0) {
					deferredSetFocus(getControl(currentColumn, currentRow), true);
				}
			}
		} else {
			if (topRow < numRowsInCollection - numRowsVisible) {
				if (!fireRequestRowChangeEvent()) {
					return;
				}
				deselectCurrentRowIfVisible();
				setTopRow(topRow + 1);
				--currentRow;
				if (currentRow == getNumRowsVisible()-1) {
					deferredSetFocus(getControl(currentColumn, currentRow), true);
				}
			}
		}
	}
	private void deselectCurrentRowIfVisible() {
		if (currentRow >= 0 && currentRow < numRowsVisible) {
			deselect(getControl(currentColumn, currentRow));
		}
	}
	/**
	 * Handle focusLost events on any child control. This is not currently used.
	 *