package org.argeo.eclipse.ui.jcr;
   
   import javax.jcr.version.VersionHistory;
   
   import org.argeo.jcr.Jcr;
   import org.eclipse.jface.viewers.IStructuredContentProvider;
   import org.eclipse.jface.viewers.Viewer;
   
   /** Content provider based on a {@link VersionHistory}. */
  public class VersionHistoryContentProvider implements IStructuredContentProvider {
  	private static final long serialVersionUID = -4921107883428887012L;
  
  	@Override
  	public void dispose() {
  	}
  
  	@Override
  	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  	}
  
  	@Override
  	public Object[] getElements(Object inputElement) {
  		VersionHistory versionHistory = (VersionHistory) inputElement;
  		return Jcr.getLinearVersions(versionHistory).toArray();
  	}
  
  }