Adding option for editors in cells in order for cells to customize their SpreadsheetCellType editors.
This is necessary when some cells have the same CellType but need to give some options for the editor. Since the editor is inside the SpreadsheetCellType, it's the only way possible. I'll try to update the sample to demonstrate a use case.
Preventing NPE from happening at various places in SpreadsheetView.
Correct english labels for SpreadsheetView
Change the wording for SpreadsheetView from fix/unfix to freeze/unfreeze
It has been pointed out that the term "fix" and "unfix" were wrongly used in the SpreadsheetView. If we look at MS Excel, they use the term "freeze" and "unfreeze" when they mention the rows and columns. So this is fixing (here it is well used!) it!