How to Add a Context  Menu to Cloned Objects using Bootstrap?

Hi everyone!
I'm having trouble adding the context menu when I right-click on cloned objects. I'm using the Kineticjs framework to accomplish the creation of the objects and to add the Bootstrap context menu.
I do not handle a lot of javascript, so I ask for help!
Below the source code:

http://jsfiddle.net/isaias_ops/pjLj2s1z/#&togetherjs=yJ2NqawSdK