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

   1 package eu.etaxonomy.taxeditor.editor.handler;
   2
   3
   4 import java.net.URI;
   5
   6 import org.eclipse.core.commands.AbstractHandler;
   7 import org.eclipse.core.commands.ExecutionEvent;
   8 import org.eclipse.core.commands.ExecutionException;
   9 import org.eclipse.jface.viewers.ISelection;
  10 import org.eclipse.jface.viewers.TreeNode;
  11 import org.eclipse.ui.handlers.HandlerUtil;
  12
  13 import eu.etaxonomy.cdm.model.media.MediaUtils;
  14 import eu.etaxonomy.cdm.model.molecular.SingleRead;
  15 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  16 import eu.etaxonomy.taxeditor.editor.molecular.PherogramViewPart;
  17 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  18
  19
  20
  21 /**
  22  * Displays an undistorted pherogram with {@link PherogramViewPart}.
  23  *
  24  * @author Ben Stöver
  25  *
  26  */
  27 public class ShowPherogramHandler extends AbstractHandler {
  28         public static void showPherogram(URI uri) {
  29                 try {
  30                         PherogramViewPart.createView(uri);
  31                 }
  32                 catch (Exception e) {
  33                         MessagingUtils.errorDialog("Error", null, e.getLocalizedMessage(), "eu.etaxonomy.taxeditor.editor",  //TODO Is null a valid value here?
  34                                         e, false);  //TODO set pluginID
  35                 }
  36         }
  37
  38
  39         @Override
  40         public Object execute(ExecutionEvent event) throws ExecutionException {
  41                 ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  42                 TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(currentSelection);
  43                 if (treeNodeOfSelection != null && treeNodeOfSelection.getValue() instanceof SingleRead) {
  44                         showPherogram(MediaUtils.getFirstMediaRepresentationPart(
  45                                         ((SingleRead)treeNodeOfSelection.getValue()).getPherogram()).getUri());
  46         }
  47         return null;
  48     }
  49 }