eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/ConceptLabelProvider.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.editor.view.concept;
  12
  13 import java.util.Map.Entry;
  14
  15 import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
  16 import org.eclipse.jface.viewers.LabelProvider;
  17 import org.eclipse.jface.viewers.StyledString;
  18 import org.eclipse.swt.graphics.Image;
  19
  20 import eu.etaxonomy.cdm.model.taxon.Taxon;
  21 import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
  22 import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;
  23 import eu.etaxonomy.taxeditor.model.ImageResources;
  24 import eu.etaxonomy.taxeditor.model.TaxonRelationshipTypeInverseContainer;
  25
  26 /**
  27  * @author n.hoffmann
  28  * @created Jan 24, 2011
  29  * @version 1.0
  30  */
  31 public class ConceptLabelProvider extends LabelProvider implements IStyledLabelProvider {
  32
  33         @Override
  34         public Image getImage(Object element) {
  35                 if(element instanceof Entry){
  36                         return getTaxonRelationshipImage((TaxonRelationship) ((Entry<TaxonRelationship, Taxon>) element).getKey());
  37                 }
  38                 return super.getImage(element);
  39         }
  40
  41         @Override
  42         public String getText(Object element) {
  43                 if(element instanceof Entry){
  44                         return formatRelationship((Entry<TaxonRelationship, Taxon>) element);
  45                 }
  46
  47                 return "";
  48         }
  49
  50         /**
  51          * Creates a string that holds a representation of the {@link TaxonRelationship} in relation to
  52          * the currently selected and accepted taxon.
  53          *
  54          * @param relationship
  55          * @return a formatted String representation of the relationship
  56          */
  57         private String formatRelationship(Entry<TaxonRelationship, Taxon> entry){
  58                 Taxon sourceTaxon = entry.getValue();
  59                 TaxonRelationshipTypeInverseContainer container = TaxonRelationshipTypeInverseContainer.CreateFromSource(sourceTaxon, entry.getKey());
  60                 Taxon relatedTaxon = TaxonRelationshipTypeInverseContainer.RelatedTaxon(sourceTaxon, entry.getKey());
  61                 String string = String.format("%s %s", container.getAbbreviatedLabel(), relatedTaxon);
  62
  63                 return string;
  64         }
  65
  66         @Override
  67         public StyledString getStyledText(Object element) {
  68                 return  new StyledString(getText(element), StyledString.QUALIFIER_STYLER);
  69         }
  70
  71         /**
  72          * TODO we will get the proper relationship symbol from the type's abbreviated label as a character.
  73          * The image may be omitted then.
  74          *
  75          * @param type
  76          * @return
  77          */
  78         private Image getTaxonRelationshipImage(TaxonRelationship relationship) {
  79                 TaxonRelationshipType type = (relationship).getType();
  80                 return ImageResources.getImage(ImageResources.CONCEPT_ICON);
  81         }
  82 }