eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/key/polytomous/PolytomousKeyLabelProvider.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.key.polytomous;
  11
  12 import org.apache.commons.lang.StringUtils;
  13 import org.eclipse.draw2d.IFigure;
  14 import org.eclipse.jface.viewers.LabelProvider;
  15 import org.eclipse.swt.graphics.Color;
  16 import org.eclipse.zest.core.viewers.IEntityStyleProvider;
  17
  18 import eu.etaxonomy.cdm.model.common.Language;
  19 import eu.etaxonomy.cdm.model.description.KeyStatement;
  20 import eu.etaxonomy.cdm.model.description.PolytomousKey;
  21 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  22 import eu.etaxonomy.taxeditor.model.PolytomousKeyRelationship;
  23 import eu.etaxonomy.taxeditor.store.CdmStore;
  24
  25 /**
  26  *
  27  * @author n.hoffmann
  28  * @created Mar 30, 2011
  29  * @version 1.0
  30  */
  31 class PolytomousKeyLabelProvider extends LabelProvider implements
  32                 IEntityStyleProvider {
  33
  34         public static final String LEAF_BUT_NO_TAXON = "leaf but no taxon";
  35         public static final String NO_NODE_NUMBER = "No node number set";
  36         public static final String EMPTY = "";
  37
  38         @Override
  39         public String getText(Object element) {
  40                 if (element instanceof PolytomousKey) {
  41                         return ((PolytomousKey) element).getTitleCache();
  42                 } else if (element instanceof PolytomousKeyNode) {
  43                         PolytomousKeyNode keyNode = (PolytomousKeyNode) element;
  44
  45                         if (keyNode.isLeaf()) {
  46                                 if (keyNode.getTaxon() != null) {
  47                                         return keyNode.getTaxon().getName().getTitleCache();
  48                                 }
  49                                 return LEAF_BUT_NO_TAXON;
  50                         }
  51
  52                         if (keyNode.getNodeNumber() != null) {
  53                                 String statementLabel = "";
  54                                 String nodeNumber = keyNode.getNodeNumber().toString();
  55
  56                                 KeyStatement question = keyNode.getQuestion();
  57
  58                                 if (question != null) {
  59                                         statementLabel += " "
  60                                                         + question.getLabelText(CdmStore
  61                                                                         .getDefaultLanguage());
  62                                 }
  63
  64                                 return String.format("%s. %s", nodeNumber, statementLabel);
  65                         } else {
  66                                 return NO_NODE_NUMBER;
  67                         }
  68                 } else if (element instanceof PolytomousKeyRelationship) {
  69                         PolytomousKeyRelationship relationship = (PolytomousKeyRelationship) element;
  70                         if (relationship.getSource() instanceof PolytomousKeyNode) {
  71                                 PolytomousKeyNode destinationNode = (PolytomousKeyNode) relationship
  72                                                 .getDestination();
  73
  74                                 KeyStatement statement = destinationNode.getStatement();
  75
  76                                 if (statement != null) {
  77                                         Language language = CdmStore.getDefaultLanguage();
  78                                         String statementLabel = statement.getLabelText(language);
  79
  80                                         return StringUtils.isEmpty(statementLabel) ? EMPTY
  81                                                         : statementLabel;
  82                                 }
  83                         }
  84                 }
  85                 return EMPTY;
  86         }
  87
  88         /*
  89          * (non-Javadoc)
  90          *
  91          * @see
  92          * org.eclipse.zest.core.viewers.IEntityStyleProvider#fisheyeNode(java.lang
  93          * .Object)
  94          */
  95         @Override
  96         public boolean fisheyeNode(Object arg0) {
  97                 // TODO Auto-generated method stub
  98                 return false;
  99         }
 100
 101         /*
 102          * (non-Javadoc)
 103          *
 104          * @see
 105          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getBackgroundColour
 106          * (java.lang.Object)
 107          */
 108         @Override
 109         public Color getBackgroundColour(Object arg0) {
 110                 // TODO Auto-generated method stub
 111                 return null;
 112         }
 113
 114         /*
 115          * (non-Javadoc)
 116          *
 117          * @see
 118          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getBorderColor(java
 119          * .lang.Object)
 120          */
 121         @Override
 122         public Color getBorderColor(Object arg0) {
 123                 // TODO Auto-generated method stub
 124                 return null;
 125         }
 126
 127         /*
 128          * (non-Javadoc)
 129          *
 130          * @see
 131          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getBorderHighlightColor
 132          * (java.lang.Object)
 133          */
 134         @Override
 135         public Color getBorderHighlightColor(Object arg0) {
 136                 // TODO Auto-generated method stub
 137                 return null;
 138         }
 139
 140         /*
 141          * (non-Javadoc)
 142          *
 143          * @see
 144          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getBorderWidth(java
 145          * .lang.Object)
 146          */
 147         @Override
 148         public int getBorderWidth(Object arg0) {
 149                 return 0;
 150         }
 151
 152         /*
 153          * (non-Javadoc)
 154          *
 155          * @see
 156          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getForegroundColour
 157          * (java.lang.Object)
 158          */
 159         @Override
 160         public Color getForegroundColour(Object arg0) {
 161                 // TODO Auto-generated method stub
 162                 return null;
 163         }
 164
 165         /*
 166          * (non-Javadoc)
 167          *
 168          * @see
 169          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getNodeHighlightColor
 170          * (java.lang.Object)
 171          */
 172         @Override
 173         public Color getNodeHighlightColor(Object arg0) {
 174                 // TODO Auto-generated method stub
 175                 return null;
 176         }
 177
 178         /*
 179          * (non-Javadoc)
 180          *
 181          * @see
 182          * org.eclipse.zest.core.viewers.IEntityStyleProvider#getTooltip(java.lang
 183          * .Object)
 184          */
 185         @Override
 186         public IFigure getTooltip(Object arg0) {
 187                 return null;
 188         }
 189 }