I've always thought that a "grid" collection type would be very useful. By
"grid" I mean a combination of directory (or table) and array, so that I can
have a 2-dimensional collection with headers like this (for example):
PersonNo PersonName City
AB123 Adams New York
CD456 Jones Denver
EF789 Smith San Francisco
Of course, with the present set of collection classes, I can build this
myself (and have done in the past), or use a directory with each column held
as an array, etc.
This form of collection is very common in the user interface area, and is
usually called a "grid". Indeed, ooDialog provides for just this (a ListView
with multi-column and headers specified). And it would be nice if an ooRexx
"grid" collection was available - say to pick a text file off a disk, then
use it (e.g.) to populate a multi-column listview (assuming the file was in
some appropriate format, e.g. with tabs separating each data value in a
row).
The reason I built one of these myself some time ago, was that it was
needed, and although I tried a directory with each index being a column
header, and each item being an array containing the column, I found this
very difficult to work with, probably because I kept wanting to think of
each *row* as an array, not each column.
Has anyone come across this as a requirement for ooRexx? Btw, I'm not trying
to re-invent SQL.
Thanks,
Oliver
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