designpattern

The scenerio is that I have different type of drawing components on drawing area. In menu I have some combo boxes which apply different properties on these objects. and also add a new UndoableEdit to the UndoManager. Anybody worked with the swing's undo package will get the idea. This way …

Hi everyone, I am trying to add an undo listener to a jtable but could not get it to work. Does anyone know how to add a undo function to a jtable assuming the default cell editor component is a jtextfield? A small code sample would be helpful Any help …