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