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

   1 package eu.etaxonomy.taxeditor.editor.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.editor.molecular.AlignmentEditorInput;
  15
  16
  17
  18 /**
  19  * Opens the alignment editor from the CDM tree.
  20  *
  21  * @author Ben St&ouml;ver
  22  * @author pplitzner
  23  */
  24 public class EditSequenceHandler extends AbstractHandler {
  25     @Override
  26     public Object execute(ExecutionEvent event) throws ExecutionException {
  27         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  28         TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(currentSelection);
  29         if(treeNodeOfSelection != null && treeNodeOfSelection.getValue() instanceof Sequence){
  30             AlignmentEditorInput input = new AlignmentEditorInput((Sequence)treeNodeOfSelection.getValue());  //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.
  31             try {
  32                 EditorUtil.open(input);
  33             }
  34             catch (PartInitException e) {
  35                 // TODO Auto-generated catch block
  36                 e.printStackTrace();
  37             }
  38         }
  39
  40         return null;
  41     }
  42 }