Bug 315281 update copyrights for 3.6
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ViewerColumn.java
/*******************************************************************************
 * Copyright (c) 2006, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * 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
 * 												  fix for bug 163317, 201905
 *     Ralf Ebert - bug 294738
 *******************************************************************************/
package org.eclipse.jface.viewers;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.util.Policy;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.widgets.Widget;
/**
 * Instances of this class represent a column of a {@link ColumnViewer}. Label
 * providers and editing support can be configured for each column separately.
 * Concrete subclasses of {@link ColumnViewer} should implement a matching
 * concrete subclass of {@link ViewerColumn}.
 * 
 * @since 3.3
 * 
 */
public abstract class ViewerColumn {