LGTM
http://gwt-code-reviews.appspot.com/1712804/diff/1/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwTree.java File samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwTree.java (right): http://gwt-code-reviews.appspot.com/1712804/diff/1/samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwTree.java#newcode194 samples/showcase/src/com/google/gwt/sample/showcase/client/content/lists/CwTree.java:194: item.addTextItem(""); Off topic, but this is a weird hack to include in sample code. Assuming that dynamically generating children is something we want to demonstrate at all (I'm not convinced), shouldn't there be a better API for this? http://gwt-code-reviews.appspot.com/1712804/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors