Be careful with the sandbox

This customization of Ext JS TreeLoader can create a negative side-effect on Safari and Chrome in a very narrow use case. The issue that I ran into happens when the folder node was empty and when you drop a leaf node into it. In the sandBox function shown in the above link, it would return [...]

Loading a TreePanel without an URL

I found my self in need of using a TreePanel without an URL in Ext JS. A look around on the web led me to this thread which helped me to do 80% of what I need. I still need to find ways to do the following: How do I set leaf node? How do [...]