eu.etaxonomy.taxeditor.bulkeditor/src/main/java/eu/etaxonomy/taxeditor/bulkeditor/referencingobjects/ReferencingObjectsLabelProvider.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.bulkeditor.referencingobjects;
  11
  12 import org.apache.commons.lang3.StringUtils;
  13 import org.apache.log4j.Logger;
  14 import org.eclipse.jface.viewers.ITableLabelProvider;
  15 import org.eclipse.jface.viewers.LabelProvider;
  16 import org.eclipse.swt.graphics.Image;
  17
  18 import eu.etaxonomy.cdm.common.CdmUtils;
  19 import eu.etaxonomy.cdm.model.common.CdmBase;
  20 import eu.etaxonomy.cdm.persistence.dto.ReferencingObjectDto;
  21 import eu.etaxonomy.taxeditor.l10n.Messages;
  22
  23 /**
  24  * Requires an <code>IReferencingObjectsService</code> to translate the label
  25  * elements into displayable text.
  26  *
  27  * @author p.ciardelli
  28  * @created 09.07.2009
  29  */
  30 public class ReferencingObjectsLabelProvider extends LabelProvider implements ITableLabelProvider {
  31
  32     @SuppressWarnings("unused")
  33     private static final Logger logger = Logger.getLogger(ReferencingObjectsLabelProvider.class);
  34
  35         /**
  36          * <p>Constructor for ReferencingObjectsLabelProvider.</p>
  37          */
  38         public ReferencingObjectsLabelProvider() {
  39         }
  40
  41         @Override
  42     public Image getColumnImage(Object element, int columnIndex) {
  43                 return null;
  44         }
  45
  46         @Override
  47     public String getColumnText(Object element, int columnIndex) {
  48             if (element == null){
  49                 return "";
  50             }else if (element instanceof String){
  51                 return columnIndex == 0 ? element.toString() :"";
  52             }else if (element instanceof ReferencingObjectDto){
  53                 ReferencingObjectDto dto = (ReferencingObjectDto)element;
  54                 if (columnIndex == 0) {
  55                     Class<?> type = dto.getType() != null ? dto.getType() : dto.getReferencedEntity() != null? dto.getReferencedEntity().getClass() : null;
  56                     return type == null? null : CdmUtils.userFriendlyClassName(type);
  57                 }else if (columnIndex == 1) {
  58                     return dto.getTitleCache();
  59                 }else if (columnIndex == 2) {
  60                     return dto.getUuid() == null ? null : dto.getUuid().toString();
  61                 }else if (columnIndex == 3) {
  62                     return String.valueOf(dto.getId() == null? null :dto.getId());
  63                 }else{
  64                     return "-";
  65                 }
  66             }
  67             else{
  68                 //this should not happen, but just in case
  69                 String text = null;
  70                 Object deproxiedElement = CdmBase.deproxy(element);
  71                 if (columnIndex == 0) {
  72                         text = CdmUtils.userFriendlyClassName(deproxiedElement.getClass());
  73                 }else if (columnIndex == 1) {
  74                         text = element.toString();
  75                 }else if (columnIndex == 2) {
  76                         if(element instanceof CdmBase){
  77                                 text = ((CdmBase) element).getUuid().toString();
  78                         }
  79                 }else if (columnIndex == 3) {
  80                         if(element instanceof CdmBase){
  81                                 text = String.valueOf(((CdmBase) element).getId());
  82                         }
  83                 }
  84                 return (StringUtils.isBlank(text)) ? Messages.ReferencingObjectsLabelProvider_No_description_available : text;
  85             }
  86
  87         }
  88 }