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.taxeditor.editor.EditorUtil;
  11
  12
  13
  14 /**
  15  * Tests types of specimens to add items to the context menu.
  16  *
  17  * @author pplitzner
  18  * @author BenStoever
  19  */
  20 public class SpecimenPropertyTester extends PropertyTester {
  21     private static final String SEQUENCE = "isSequence";
  22     private static final String SINGLE_READ = "isSingleRead";
  23
  24
  25     public SpecimenPropertyTester() {}
  26
  27     /** {@inheritDoc} */
  28     @Override
  29     public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
  30         if (receiver instanceof IStructuredSelection) {
  31             IStructuredSelection selection = (IStructuredSelection) receiver;
  32             TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(selection);
  33             if (treeNodeOfSelection!=null) {
  34                 if (SEQUENCE.equals(property)) {
  35                     return isSequence(treeNodeOfSelection.getValue());
  36                 }
  37                 else if (SINGLE_READ.equals(property)) {
  38                         return isSingleReadAlignment(treeNodeOfSelection.getValue());
  39                 }
  40             }
  41         }
  42         return false;
  43     }
  44
  45         private boolean isSequence(Object object) {
  46         return (object instanceof Sequence);
  47         }
  48
  49         private boolean isSingleReadAlignment(Object object) {
  50         return (object instanceof SingleRead);
  51     }
  52 }