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
numRowsVisible = displayableRows;
			}
			if (numRowsVisible > maxRowsVisible) {
				numRowsVisible = maxRowsVisible;
			}
			if (numRowsVisible < 1) {
				numRowsVisible = 1;
			}
			
			if (currentVisibleTopRow - topRow > 0) {
				userScrollDirection = ScrollEvent.BACKWARD;
			} else if (topRow - currentVisibleTopRow > 0) {
				userScrollDirection = ScrollEvent.FORWARD;
			}
			
			
			if (rows.size() - Math.abs(currentVisibleTopRow - topRow) > 0) {
				scrollTop();
				fixNumberOfRows();
			} else {
				currentVisibleTopRow = topRow;
				fixNumberOfRows();
				refreshAllRows();
			}
		} else {
			numRowsVisible = 0;
			topRow = 0;
			currentRow = 0;
			currentColumn = 0;
			currentVisibleTopRow = 0;