[aida] WebGrid filters (was The greatest...)

nicolas petton petton.nicolas at gmail.com
Sun Jan 25 23:10:28 CET 2009


2009/1/24 Herbert König <herbertkoenig at gmx.net>

> Hello Janko,
> JM> Better solution is to use filter fields
> JM> (see http://demo.aidaweb.si/?view=grid).
> is there something to learn from this example which can't be learned
> from the tutorial? If so, I missed it.
> JM> Having a table with lots of rows is never a good idea and calls for
> JM> better solution.
> Yes! Many bad examples on the net.
> JM> That's why we have (besides paging) also very flexible
> JM> column filters in WebGrid. Use them!
> Filtering like used in the tutorial is only a good idea if you can
> afford to display the whole list in case the user empties all filters.

WebGrid support paging. You can use it if the list is too long. We use it in
history views of pages in Scribo, or to display blog post comments.

> As far as I browsed the code it's limited to String>>match:. Which is
> nice now that I know it. With *m##er* I could find names containing
> all variants of German "meier". Nice but the user has to know.
> I think it depends on the size of the lists (in the model) if one can
> rely on WebGrid's filtering capacity. For a big address book one would
> start with the first say 25 entries starting with "a". Entering a "b"
> into the filter would switch to the first 25 starting with "b",
> entering "br" would jump to e.g. "Brandon" onward.
> I think this is beyond the filter ability of WebGrid and this
> behaviour belongs into AddressBookApp and not into WebGrid.
> Tell me if you think I'm wrong, I'm planning for my own app.
> It would display the last 10 lines in case of data entry or 5 lines
> before and 4 lines behind the current entry in case of editing data.
> Cheers
> Herbert                            mailto:herbertkoenig at gmx.net
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Nicolas Petton

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