Loading of data for the visualization but also computation of the
diagram can take a while for larger data sets. You can use the
CarrotSearchFoamTree.loader utility to show a simple
Loading... message to the user.
carrotsearch.foamtree.loading.cssstylesheet with default CSS for the loading indicator container.
CarrotSearchFoamTree.loaderscript and using it to show and hide the indicator when appropriate.