eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/section/common/ExternalLinksSection.java

   1 /**
   2 * Copyright (C) 2018 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 package eu.etaxonomy.taxeditor.ui.section.common;
  10
  11 import java.util.Collection;
  12 import java.util.Comparator;
  13
  14 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  15 import eu.etaxonomy.cdm.model.common.OriginalSourceBase;
  16 import eu.etaxonomy.cdm.model.media.ExternalLink;
  17 import eu.etaxonomy.cdm.model.media.ExternalLinkType;
  18 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  19 import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
  20 import eu.etaxonomy.taxeditor.ui.section.AbstractEntityCollectionSection;
  21
  22 /**
  23  * @author k.luther
  24  * @since 23.08.2018
  25  *
  26  */
  27 public class ExternalLinksSection extends AbstractEntityCollectionSection<OriginalSourceBase, ExternalLink> {
  28
  29
  30
  31     /**
  32      * @param formFactory
  33      * @param formElement
  34      */
  35     public ExternalLinksSection(CdmFormFactory cdmFormFactory, ConversationHolder conversation, ICdmFormElement parentElement, int style) {
  36         super(cdmFormFactory, conversation, parentElement, "External Links", style);
  37
  38     }
  39
  40
  41     @Override
  42     public Comparator<ExternalLink> getComparator() {
  43         return new Comparator<ExternalLink>(){
  44
  45             @Override
  46             public int compare(ExternalLink o1, ExternalLink o2) {
  47                 if (o1 == o2){
  48                     return 0;
  49                 }
  50                 if (o1 == null){
  51                     return -1;
  52
  53                 }
  54                 if (o2== null){
  55                     return 1;
  56                 }
  57                 if (o1.getUri() == o1.getUri()){
  58                     return 0;
  59                 }
  60                 if (o1.getUri() == null){
  61                     return -1;
  62                 }
  63                 if (o2.getUri() == null){
  64                     return 1;
  65                 }
  66                return o1.getUri().toString().compareTo(o2.getUri().toString());
  67
  68             }
  69
  70       };
  71
  72     }
  73
  74
  75
  76     @Override
  77     public Collection<ExternalLink> getCollection(OriginalSourceBase entity) {
  78         if (entity != null){
  79             return entity.getLinks();
  80         } else {
  81             return null;
  82         }
  83
  84     }
  85
  86     @Override
  87     public ExternalLink createNewElement() {
  88         ExternalLink link = ExternalLink.NewInstance(ExternalLinkType.Unknown, null);
  89         return link;
  90     }
  91
  92     @Override
  93     public void addElement(ExternalLink element) {
  94         getEntity().addLink(element);
  95
  96     }
  97
  98     @Override
  99     public ExternalLink addExisting() {
 100         return null;
 101     }
 102
 103     @Override
 104     public boolean allowAddExisting() {
 105         return false;
 106     }
 107
 108     @Override
 109     public void removeElement(ExternalLink element) {
 110         getEntity().removeLink(element);
 111
 112     }
 113
 114     @Override
 115     public String getEmptyString() {
 116         return "No external link yet.";
 117     }
 118
 119
 120     @Override
 121     protected String getTooltipString() {
 122         return null;
 123     }
 124
 125 }