protected void setupKey(SequenceRowKey key) {
setRowKeyAndData(null, null);
this.currentComponent = tree;
if (key != null) {
DeclarativeTreeDataModelWalker walker = new DeclarativeTreeDataModelWalker(FacesContext.getCurrentInstance(), tree);
walker.walk(key);
setRowKeyAndData(key, walker.getData());
this.currentComponent = walker.getCurrentComponent();
}
}