eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/handler/SpecimenPropertyTester.java

   1 package eu.etaxonomy.taxeditor.editor.handler;
   2
   3
   4 import org.eclipse.core.expressions.PropertyTester;
   5 import org.eclipse.jface.viewers.IStructuredSelection;
   6 import org.eclipse.jface.viewers.TreeNode;
   7
   8 import eu.etaxonomy.cdm.model.molecular.Sequence;
   9 import eu.etaxonomy.cdm.model.molecular.SingleRead;
  10 import eu.etaxonomy.cdm.model.occurrence.MediaSpecimen;
  11 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  12 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  13
  14
  15
  16 /**
  17  * Tests types of specimens to add items to the context menu.
  18  *
  19  * @author pplitzner
  20  * @author BenStoever
  21  */
  22 public class SpecimenPropertyTester extends PropertyTester {
  23     private static final String SEQUENCE = "isSequence"; //$NON-NLS-1$
  24     private static final String SINGLE_READ = "isSingleRead"; //$NON-NLS-1$
  25     private static final String IS_SPECIMEN_OR_OBSERVATION_BASE = "isSpecimenOrObservationBase"; //$NON-NLS-1$
  26     private static final String IS_ADD_DERIVATE_ALLOWED = "isAddDerivateAllowed"; //$NON-NLS-1$
  27     private static final String IS_ADD_MEDIA_ALLOWED = "isAddMediaAllowed"; //$NON-NLS-1$
  28
  29
  30     public SpecimenPropertyTester() {}
  31
  32     /** {@inheritDoc} */
  33     @Override
  34     public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
  35         if (receiver instanceof IStructuredSelection) {
  36             IStructuredSelection selection = (IStructuredSelection) receiver;
  37             TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(selection);
  38             if (treeNodeOfSelection!=null) {
  39                 if (SEQUENCE.equals(property)) {
  40                     return isSequence(treeNodeOfSelection.getValue());
  41                 }
  42                 else if (SINGLE_READ.equals(property)) {
  43                     return isSingleRead(treeNodeOfSelection.getValue());
  44                 }
  45                 else if (IS_SPECIMEN_OR_OBSERVATION_BASE.equals(property)) {
  46                     return isSpecimenOrObservationBase(treeNodeOfSelection.getValue());
  47                 }
  48                 else if (IS_ADD_DERIVATE_ALLOWED.equals(property)) {
  49                     return isAddDerivateAllowed(treeNodeOfSelection.getValue());
  50                 }
  51                 else if (IS_ADD_MEDIA_ALLOWED.equals(property)) {
  52                     return isAddMediaAllowed(treeNodeOfSelection.getValue());
  53                 }
  54             }
  55         }
  56         return false;
  57     }
  58
  59
  60     private boolean isSpecimenOrObservationBase(Object object) {
  61         return (object instanceof SpecimenOrObservationBase);
  62         }
  63
  64     private boolean isAddDerivateAllowed(Object object) {
  65         return (object instanceof SpecimenOrObservationBase || object instanceof Sequence)
  66                 && !(object instanceof MediaSpecimen);
  67     }
  68
  69     private boolean isAddMediaAllowed(Object object) {
  70         return object instanceof SpecimenOrObservationBase
  71                 && !(object instanceof MediaSpecimen);
  72     }
  73
  74     private boolean isSingleRead(Object object) {
  75         return (object instanceof SingleRead);
  76     }
  77
  78     private boolean isSequence(Object object) {
  79         return (object instanceof Sequence);
  80     }
  81
  82 }