package org.argeo.people.ui.exports;
   
   import static org.argeo.eclipse.ui.EclipseUiUtils.notEmpty;
   
   import javax.jcr.Node;
   import javax.jcr.RepositoryException;
   
   import org.argeo.connect.util.ConnectJcrUtils;
   import org.argeo.connect.util.DateTimeUtils;
  import org.argeo.eclipse.ui.jcr.lists.SimpleJcrNodeLabelProvider;
  import org.argeo.people.PeopleException;
  
  /**
   * Provides a length given a row that contains a selector that has a length in
   * seconds LONG property and format it according to one of the pre-defined
   * format
   */
  public class LengthLP extends SimpleJcrNodeLabelProvider {
  	private static final long serialVersionUID = 1L;
  
  	private String selectorName;
  	private String propertyName;
  
  	public final static String IN_MINUTES = "MM";
  	public final static String HH_MM_SS = "HHMMSS";
  	private String format;
  
  	public LengthLP(String selectorName, String propertyName, String format) {
  		super(propertyName);
  		if (notEmpty(selectorName))
  			this.selectorName = selectorName;
  		this.propertyName = propertyName;
  		this.format = format;
  	}
  
  	@Override
  	public String getText(Object element) {
  		try {
  			Node currNode = ConnectJcrUtils.getNodeFromElement(element, selectorName);
  			String result = "";
  			if (currNode != null && currNode.hasProperty(propertyName)) {
  				long length = currNode.getProperty(propertyName).getLong();
  				if (HH_MM_SS.equals(format)) {
  					result = String.format("%d:%02d:%02d", length / 3600, (length % 3600) / 60, (length % 60));
  				} else if (IN_MINUTES.equals(format))
  					result = "" + DateTimeUtils.roundSecondsToMinutes(length);
  			}
  			return result;
  		} catch (RepositoryException re) {
  			throw new PeopleException("Unable to get selector " + selectorName + " from row " + element, re);
  		}
  	}
  }