package org.argeo.connect.ui.util;
   
   import javax.jcr.Node;
   import javax.jcr.Property;
   
   import org.argeo.connect.ConnectException;
   import org.argeo.connect.resources.ResourcesService;
   import org.argeo.connect.ui.ConnectUiConstants;
   import org.argeo.connect.util.ConnectJcrUtils;
  import org.argeo.connect.util.ConnectUtils;
  import org.argeo.eclipse.ui.EclipseUiUtils;
  import org.eclipse.jface.viewers.ColumnLabelProvider;
  
  /**
   * Provide a label provider for group members
   */
  public class TagLabelProvider extends ColumnLabelProvider {
  	// private final static Log log = LogFactory
  	// .getLog(TagLabelProvider.class);
  
  	private static final long serialVersionUID = 9156065705311297011L;
  	private final int listType;
  
  	private final ResourcesService resourceService;
  
  	public TagLabelProvider(ResourcesService resourceService, int listType) {
  		this.resourceService = resourceService;
  		this.listType = listType;
  	}
  
  	@Override
  	public String getText(Object element) {
  		Node entity = (Node) element;
  		String result;
  		switch (listType) {
  		case ConnectUiConstants.LIST_TYPE_OVERVIEW_TITLE:
  			result = getOverviewTitle(entity);
  			break;
  		case ConnectUiConstants.LIST_TYPE_SMALL:
  			result = getOneLineLabel(entity);
  			break;
  		default:
  			throw new ConnectException("Undefined list type - Unable to provide text for group");
  		}
  		return ConnectUtils.replaceAmpersand(result);
  	}
  
  	private String getOverviewTitle(Node entity) {
  		StringBuilder builder = new StringBuilder();
  
  		builder.append("<span " + ConnectUiConstants.ENTITY_HEADER_INNER_CSS_STYLE + ">");
  
  		// first line
  		builder.append("<b><big> ");
  		builder.append(ConnectJcrUtils.get(entity, Property.JCR_TITLE));
  		builder.append("</big></b>");
  		long membersNb = resourceService.countMembers(entity);
  		builder.append(" <i>(").append(membersNb).append(" members)</i>");
  
  		// Description
  		String desc = ConnectJcrUtils.get(entity, Property.JCR_DESCRIPTION);
  		if (EclipseUiUtils.notEmpty(desc))
  			builder.append("<br />").append(desc);
  
  		builder.append("</span>");
  		return builder.toString();
  	}
  
  	private String getOneLineLabel(Node entity) {
  		StringBuilder builder = new StringBuilder();
  		builder.append("<b>");
  		builder.append(ConnectJcrUtils.get(entity, Property.JCR_TITLE));
  		builder.append("</b>");
  		long membersNb = resourceService.countMembers(entity);
  		builder.append(" <i>(").append(membersNb).append(" members)</i>");
  		return builder.toString();
  	}
  }