Hi Tomas,
> +UrlField is missing from lib/form.l. Was that intended?
Oops, sorry!
The old subclass of +TextField
(class +UrlField +TextField)
with the derived classes
(class +HttpField +UrlField)
(class +MailField +UrlField)
is now a prefix class
(class +Url)
used by the classes
(class +HttpField +Url +TextField)
(class +MailField +Url +TextField)
As you can see, this is more flexible now, as you can create '+Url'
fields that are not text fields.
For example, in one application I have a numeric field that holds a port
number, and that should also be clickable. So I could define it as
(gui '(+E/R +Url +NumField)
'(port : home obj)
'((P) (and (app> (: home obj) P) (mkUrl @)))
6 )
The old +UrlField as well as the new +Url prefix take a single argument,
a function which is supposed to return the properly formatted URL. A
typical case could be
'((Url) (pack Url "/a/b/c.l?*Arg=" (foo)))
Cheers,
- Alex
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