eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/key/polytomous/handler/CreateNodeHandler.java

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.editor.key.polytomous.handler;
   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.core.commands.common.NotDefinedException;
  10 import org.eclipse.core.commands.operations.IUndoContext;
  11 import org.eclipse.jface.viewers.IStructuredSelection;
  12 import org.eclipse.ui.IEditorPart;
  13 import org.eclipse.ui.handlers.HandlerUtil;
  14
  15 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  16 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  17 import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditor;
  18 import eu.etaxonomy.taxeditor.editor.key.polytomous.operation.CreateNodeOperation;
  19 import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
  20
  21 /**
  22  * @author n.hoffmann
  23  *
  24  */
  25 public class CreateNodeHandler extends AbstractHandler {
  26
  27         /* (non-Javadoc)
  28          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  29          */
  30         @Override
  31         public Object execute(ExecutionEvent event) throws ExecutionException {
  32
  33                 IEditorPart editor = HandlerUtil.getActiveEditor(event);
  34
  35                 if(editor instanceof PolytomousKeyEditor){
  36                         PolytomousKeyEditor keyEditor = (PolytomousKeyEditor) editor;
  37
  38                         IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getActiveMenuSelection(event);
  39
  40                         if(selection.getFirstElement() instanceof PolytomousKeyNode){
  41                                 try {
  42                                         String label = event.getCommand().getName();
  43                                         IUndoContext undoContext = EditorUtil.getUndoContext();
  44
  45                                         PolytomousKeyNode keyNode = (PolytomousKeyNode) selection.getFirstElement();
  46
  47                                         AbstractPostOperation operation = new CreateNodeOperation(label, undoContext, keyNode, keyEditor);
  48                                         EditorUtil.executeOperation(operation);
  49                                 } catch (NotDefinedException e) {
  50                                         EditorUtil.warn(getClass(), "Command name not set.");
  51                                 }
  52
  53                         }
  54                 }
  55
  56                 return null;
  57         }
  58
  59 }