onCellCommit() submit wrong cell (coords are not updated)

[weizhengz-bgl]

version: the latest

Scernario:

1. Choose a cell (c1) and type a value, then press tab for another one
2. type another value (c2), then press enter
3. select c1, then press delete
4. check the log, found the c2's coord is submitted

could you have a look?