public void execute(final SNode node, final EditorContext editorContext) {
      SNode statement =
          SConceptOperations.createNewNode(
              "org.jetbrains.mps.samples.IfAndUnless.structure.MyIfStatement", null);
      SLinkOperations.setTarget(
          statement, "condition", SLinkOperations.getTarget(node, "condition", true), true);
      SNode ifBody =
          SConceptOperations.createNewNode(
              "org.jetbrains.mps.samples.IfAndUnless.structure.TrueFlow", null);
      ListSequence.fromList(SLinkOperations.getTargets(ifBody, "statement", true))
          .addSequence(
              ListSequence.fromList(
                  SLinkOperations.getTargets(
                      SLinkOperations.getTarget(node, "ifTrue", true), "statement", true)));
      SLinkOperations.setTarget(statement, "body", ifBody, true);

      SLinkOperations.setTarget(
          statement,
          "alternative",
          SConceptOperations.createNewNode(
              "org.jetbrains.mps.samples.IfAndUnless.structure.FalseFlow", null),
          true);
      if (SNodeOperations.isInstanceOf(
          SLinkOperations.getTarget(node, "ifFalseStatement", true),
          "jetbrains.mps.baseLanguage.structure.BlockStatement")) {
        ListSequence.fromList(
                SLinkOperations.getTargets(
                    SLinkOperations.getTarget(statement, "alternative", true), "statement", true))
            .addSequence(
                ListSequence.fromList(
                    SLinkOperations.getTargets(
                        SLinkOperations.getTarget(
                            SNodeOperations.cast(
                                SLinkOperations.getTarget(node, "ifFalseStatement", true),
                                "jetbrains.mps.baseLanguage.structure.BlockStatement"),
                            "statements",
                            true),
                        "statement",
                        true)));
      } else {
        ListSequence.fromList(
                SLinkOperations.getTargets(
                    SLinkOperations.getTarget(statement, "alternative", true), "statement", true))
            .addElement(SLinkOperations.getTarget(node, "ifFalseStatement", true));
      }
      SNodeOperations.replaceWithAnother(node, statement);
      editorContext.select(SLinkOperations.getTarget(statement, "condition", true));
    }
    public void execute(final SNode node, final EditorContext editorContext) {
      DocCommentHelper.addJavadocLangIfMissing(node);

      if ((AttributeOperations.getAttribute(
              node,
              new IAttributeDescriptor.NodeAttribute(
                  SConceptOperations.findConceptDeclaration(
                      "jetbrains.mps.baseLanguage.javadoc.structure.FieldDocComment")))
          == null)) {
        SNodeFactoryOperations.setNewAttribute(
            node,
            new IAttributeDescriptor.NodeAttribute(
                SConceptOperations.findConceptDeclaration(
                    "jetbrains.mps.baseLanguage.javadoc.structure.FieldDocComment")),
            "jetbrains.mps.baseLanguage.javadoc.structure.FieldDocComment");
        SNode line =
            SNodeFactoryOperations.addNewChild(
                AttributeOperations.getAttribute(
                    node,
                    new IAttributeDescriptor.NodeAttribute(
                        SConceptOperations.findConceptDeclaration(
                            "jetbrains.mps.baseLanguage.javadoc.structure.FieldDocComment"))),
                "body",
                "jetbrains.mps.baseLanguage.javadoc.structure.CommentLine");
        SNodeFactoryOperations.addNewChild(
            line, "part", "jetbrains.mps.baseLanguage.javadoc.structure.TextCommentLinePart");
      } else {
        AttributeOperations.setAttribute(
            node,
            new IAttributeDescriptor.NodeAttribute(
                SConceptOperations.findConceptDeclaration(
                    "jetbrains.mps.baseLanguage.javadoc.structure.FieldDocComment")),
            null);
      }
      editorContext.select(
          ListSequence.fromList(
                  SLinkOperations.getTargets(
                      AttributeOperations.getAttribute(
                          node,
                          new IAttributeDescriptor.NodeAttribute(
                              SConceptOperations.findConceptDeclaration(
                                  "jetbrains.mps.baseLanguage.javadoc.structure.FieldDocComment"))),
                      "body",
                      true))
              .first());
    }
 public void execute(final SNode node, final EditorContext editorContext) {
   SNode ifStatement =
       SNodeFactoryOperations.createNewNode(
           "jetbrains.mps.baseLanguage.structure.IfStatement", null);
   List<SNode> selectedNodes = editorContext.getSelectedNodes();
   SNodeOperations.insertNextSiblingChild(
       ListSequence.fromList(selectedNodes).last(), ifStatement);
   for (SNode selectedNode : ListSequence.fromList(selectedNodes)) {
     ListSequence.fromList(
             SLinkOperations.getTargets(
                 SLinkOperations.getTarget(ifStatement, "ifTrue", true), "statement", true))
         .addElement(
             SNodeOperations.getAncestor(
                 selectedNode, "jetbrains.mps.baseLanguage.structure.Statement", true, false));
   }
   editorContext.select(SLinkOperations.getTarget(ifStatement, "condition", true));
 }
 public void execute_internal(EditorContext editorContext, SNode node) {
   SNode result = SLinkOperations.getTarget(node, "period", true);
   SNodeOperations.replaceWithAnother(node, result);
   editorContext.select(result);
 }