ExtJs has row and cell editing plugins. Unfortunately they do not allow the cells in bulk/batch mode. I have tried to implement bulk edit using custom selection replicator. and popup form for single and multiple columns edit.
Reflowable vbox layout
ExtJs has rich layouts functionality. In this post I will show you how to make reflowable vbox layout. Reflowable layout is very useful in resizable components i.e. popups and splitted subcomponents.