Bug 256889 [Viewers] [table] IAE (Index out of bounds) after selecting rows in virtual TableViewer
Steps to reproduce: - Load the attached snippet - Press button "Select all elements" The button's selection listener first calls table.selectAll(); and then loads the current selection of the TableViewer via tableViewer.getSelection(); --> Exception: Exception in thread "main" java.lang.IllegalArgumentException: Index out of bounds at org.eclipse.swt.SWT.error(SWT.java:3761) at org.eclipse.swt.SWT.error(SWT.java:3695) at org.eclipse.swt.SWT.error(SWT.java:3666) at org.eclipse.swt.widgets.Widget.error(Widget.java:463) at org.eclipse.swt.widgets.Table.getItem(Table.java:2262) at org.eclipse.jface.viewers.TableViewer.doGetItem(TableViewer.java:233) at org.eclipse.jface.viewers.AbstractTableViewer.getVirtualSelection(AbstractTableViewer.java:498) at org.eclipse.jface.viewers.AbstractTableViewer.getSelectionFromWidget(AbstractTableViewer.java:468) at org.eclipse.jface.viewers.StructuredViewer.getSelection(StructuredViewer.java:972) at VirtualTableTest$2.widgetSelected(VirtualTableTest.java:98) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:228) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422) at VirtualTableTest.runTableTest(VirtualTableTest.java:162) at VirtualTableTest.main(VirtualTableTest.java:175)
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTableViewer.java
* http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation bug 154329
 *                                               - fixes in bug 170381, 198665, 200731
 *******************************************************************************/
package org.eclipse.jface.viewers;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Item;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Widget;
/**
 * This is a widget independent class implementors of
 * {@link org.eclipse.swt.widgets.Table} like widgets can use to provide a
 * viewer on top of their widget implementations.
 *
 * @since 3.3
 */
public abstract class AbstractTableViewer extends ColumnViewer {
	private class VirtualManager {
		/**