Grid Plugin Manipulation in ExtJS

A few days back my work demanded to solve a not-so-trivial problem regarding ExtJS RowEditing (version 4.2. of the framework). I warn that this post requires an excellent knowledge of the framework to be of any use. The problem in short: there is a RowEditing plugin instance in which some of the cell values depend on others. Thus their values should update dynamically upon new value entries or value updates. So the interesting part began, which took me to a happy ending half a day later.… Още