I have no preference other than the colon makes my code look a bit neater!
Chris
Martijn Dashorst wrote:
I am in the 'want to use the component id as (limited) ognl
expression' camp. I think that the component seperator should be
either colon (":") or dollar sign ("$"). Visually I have a preference
for the colon, but mentally I prefer the $. The $ is already in use
for generating the class files for inner classes, so it seems like a
natural fit for seperating components as one may have already seen it
before. As a /clear/ seperator the colon stands out more.
In the end I'd choose the colon.
Martijn
Eelco Hillenius wrote:
That would be pretty difficult I think. Say, you used 'foo.bar' as
your component name, and we translate it to 'foo:bar' internally. We
we still have to figure out that in the markup it is denoted as
'foo.bar' (so we have to keep the original), but for generating links
etc, we would use the translated one. Seems pretty error prone,
though the basic idea is good.
I think using a seperator like ':' is in nobody's way: I think it is
very unlikely that anyone will use it as part of their component
name, and just in case, we could build in a check for that too. And
using CompoundPropertyModels with the dotted notation would be great,
and is an issue that has come up several times now on this list
(clear indication it should be fixed).
Eelco
Gili wrote:
I would suggest the following "radical idea": component path is
an internal concept. End-users never get to manipulate Wicket using
a specific component path. We only seem to use it to output debug
messages and for internal house keeping (to keep track of the
structure). As such, we don't care whether dots or semicolon or
whatever are used. Furthermore, I would argue, it shouldn't matter.
Either invent a String encoding mechanism where "." denotes a
component separator and ".." denotes a OGNL seperator that has been
encoded or represent a path using a simple List structure instead of
String. At the end of the day, ensure that the new implementation
does not depend on *any* character not getting used in the future.
It should be smart enough to encode away any conflicts or use a
non-String internal representation.
Is that feasiable?
Gili
Eelco Hillenius wrote:
Currently, you can't do:
add (new RequiredTextField("company.name"));
(which is: use company.name as an id) as Wicket thinks that company
and name are seperate components because of the '.', which is
Wicket's path seperateor. This is unfortunate, as it is a valid
Ognl expression (which means to get the name property of the
company property of the target object).
Eelco
Gili wrote:
I somewhat object... I like the current behavior. Maybe I
don't understand what you are refering to by a "component path".
Where is this used in Wicket? Can you give me an example String
where the dot is ambigious whether it is a OGNL thing or component
path thing? Is it really possible to have a subcomponent having
the exact same name as a OGNL "member of a class" and have it
refer to two different objects?
Thanks,
Gili
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