Bug 44443 [Tasks] Problems View should 'filter' more efficiently
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/BookmarkView.java
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Item;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.CellEditorActionHandler;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.views.markers.internal.BookmarkFilter;
import org.eclipse.ui.views.markers.internal.DialogBookmarkFilter;
import org.eclipse.ui.views.markers.internal.FieldCreationTime;
import org.eclipse.ui.views.markers.internal.FieldFolder;
import org.eclipse.ui.views.markers.internal.FieldLineNumber;
import org.eclipse.ui.views.markers.internal.FieldMessage;
import org.eclipse.ui.views.markers.internal.FieldResource;
import org.eclipse.ui.views.markers.internal.IField;
import org.eclipse.ui.views.markers.internal.IFilter;
import org.eclipse.ui.views.markers.internal.MarkerRegistry;
import org.eclipse.ui.views.markers.internal.MarkerView;
import org.eclipse.ui.views.markers.internal.Messages;
public class BookmarkView extends MarkerView {
	private final static ColumnLayoutData[] DEFAULT_COLUMN_LAYOUTS = { 
		new ColumnWeightData(200),
		new ColumnWeightData(75),
		new ColumnWeightData(150),
		new ColumnWeightData(60)