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
  28     /* (non-Javadoc)
  29      * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
  30      */
  31     /** {@inheritDoc} */
  32     @Override
  33     public boolean test(Object receiver, String property, Object[] args,
  34             Object expectedValue) {
  35
  36         if (receiver instanceof IStructuredSelection) {
  37             IStructuredSelection selection = (IStructuredSelection) receiver;
  38             TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(selection);
  39             if (treeNodeOfSelection!=null) {
  40                 if (SEQUENCE.equals(property)) {
  41                     return isSequence(treeNodeOfSelection.getValue());
  42                 }
  43                 else if (SINGLE_READ.equals(property)) {
  44                         return isSingleReadAlignment(treeNodeOfSelection.getValue());
  45                 }
  46             }
  47
  48         }
  49         return false;
  50     }
  51
  52
  53         private boolean isSequence(Object object) {
  54         return (object instanceof Sequence);
  55         }
  56
  57
  58         private boolean isSingleReadAlignment(Object object) {
  59         return (object instanceof SingleRead);
  60     }
  61 }