collective/Products.DataGridField — pull request #7 by keul (2013-08-19 15:36:58+00:00)
Title: Required column (and other features)

Major new feature: is now possible to declare a column as ``required`` (all cells in those columns must be filled)

Other minor features:
* is now possible to display a columns help using ``col_description`` (another, longer, text after column label)
* images gif icon now behave an alpha channel
* when pressing "Add new row" button, input focus is given to the first cell in the new row.