eu.etaxonomy.taxeditor.molecular/src/main/java/eu/etaxonomy/taxeditor/molecular/handler/EditSequenceHandler.java

   1 package eu.etaxonomy.taxeditor.molecular.handler;
   2
   3
   4 import org.eclipse.core.commands.AbstractHandler;
   5 import org.eclipse.core.commands.ExecutionEvent;
   6 import org.eclipse.core.commands.ExecutionException;
   7 import org.eclipse.jface.viewers.ISelection;
   8 import org.eclipse.jface.viewers.TreeNode;
   9 import org.eclipse.ui.PartInitException;
  10 import org.eclipse.ui.handlers.HandlerUtil;
  11
  12 import eu.etaxonomy.cdm.model.molecular.Sequence;
  13 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  14 import eu.etaxonomy.taxeditor.molecular.TaxeditorMolecularPlugin;
  15 import eu.etaxonomy.taxeditor.molecular.editor.AlignmentEditor;
  16 import eu.etaxonomy.taxeditor.molecular.editor.AlignmentEditorInput;
  17
  18
  19
  20 /**
  21  * Opens the alignment editor from the CDM tree.
  22  *
  23  * @author Ben St&ouml;ver
  24  * @author pplitzner
  25  */
  26 public class EditSequenceHandler extends AbstractHandler {
  27     private org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(EditSequenceHandler.class);
  28
  29
  30     @Override
  31     public Object execute(ExecutionEvent event) throws ExecutionException {
  32         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  33         TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(currentSelection);
  34         if(treeNodeOfSelection != null && treeNodeOfSelection.getValue() instanceof Sequence){
  35             AlignmentEditorInput input = new AlignmentEditorInput(((Sequence)treeNodeOfSelection.getValue()).getUuid());  //TODO Should there always be a new instance created here? What if the specified CDM node is already opened in an AlignmentEditor? => Possible create Singleton that keeps instances by sequence objects in a map.
  36             try {
  37                 TaxeditorMolecularPlugin.getDefault().getWorkbench()
  38                 .getActiveWorkbenchWindow().getActivePage().openEditor(input, AlignmentEditor.ID);
  39             }
  40             catch (PartInitException e) {
  41                 logger.error("Could not open AlignmentEditor", e);
  42             }
  43         }
  44         return null;
  45     }
  46 }