Data grid columns headers
eric.miclo at wanadoo.fr
Sun Feb 21 06:56:52 EST 2010
Already reported as bug #8030 on 2009-05-03.
Seems it's still there...
Le 21 févr. 2010 à 12:11, Sarah Reichelt a écrit :
> Hi All,
> I have to say that I haven't really taken to the data grid. I
> recognise that it is an awesome piece of work from Trevor, but to me,
> it's too difficult to use to be a true Xtalk thing. So I looked at the
> tutorials in the beginning, but didn't actually implement it, except
> in a very simple way that was mainly to take advantage of the column
> Now I have an app that needs more sophisticated use of the data grid:
> custom sorting, displaying icons in one columns, differing column
> alignments etc.
> I have been working my way through what I need, referring to Trevor's
> excellent lessons whenever I got lost. So I was able to implement a
> custom sort and I have a variable image displayed in one column
> (although I am having transparency issues).
> My real problem came when I had a column with an image. The column
> header was "Type" but the column data (one of a set of images) was
> only 20 pixels across, so I wanted to reduce the header width to allow
> the column to reduce to the minimum of 20 pixels. I naively thought
> that setting the column header to empty would work, but this was a BIG
> MISTAKE! DON'T TRY THIS AT HOME!!!!
> This results in an un-editable column and every click throws a data grid error.
> Now I have to go back to an archive copy - thankfully I use tRev which
> archives regularly, but I know I have quite a bit of scripting that
> will not be in the archives, so I will have to re-create that.
> So, Trevor: it would be better not to allow an empty column header if
> this is going to cause irretrievable errors.
> And to everyone else: don't set data gird column headers to empty.
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