On Mon, Sep 22, 2008 at 9:28 PM, philip <[EMAIL PROTECTED]> wrote:
>
> Hi Thnx,
>
> I think the validation is important as mostly a web app that I would
> build is forms, validation, database.
>
> I generally use PHP Zend Framework due to the ability to outsource
> some work to reduce my workload as PHP programmers are cheap.
> You could take some ideas from its validation and form decorators.
I just looked at the Zend form stuff. Semantically, it looks a whole lot
like the Lift stuff, except Lift doesn't have the Conditional.
>
>
> However I can tell that Liftweb will increase my productivity much
> more so maybe it won't be necessary to get outsourced work for this
> part of website development.
>
> Thanks, Philip
>
> On Sep 22, 10:26 pm, Marius <[EMAIL PROTECTED]> wrote:
> > On Sep 22, 3:28 pm, philip <[EMAIL PROTECTED]> wrote:
> >
> > > Hi Marius,
> >
> > > Thanks for the great replys, I'll just focus on one area.
> >
> > > About the validation error messages, I mean more specifically can I
> > > have the error messages for each <input on the form.
> > > For example if someone types a phone number incorrect, but perhaps I
> > > have 10 fields in my form, I want the phone number to have a error
> > > message next to it. Also they got the post code wrong, so I need a
> > > error message next to it as well.
> >
> > See David's reply. Form validations is virtually non existent in lift
> > yet but hopefully soon enough. There is ongoing work in this area.
> >
> > > As I understand it, all error messages are lumped together into the
> > > one div and shown.
> >
> > The lift:msg built in snippet work based on id and you can associate
> > messages with id-s (see my example). lift:msgs renderes generic
> > messages that are not associated with any id.
> >
> >
> >
> > > > 1. How can I put validation error messages next to the fields
> > > > themselves?
> >
> > > Please see notices/error/warnings. For instance S.error("msgid", "an
> > > error") and int your page you can put:
> > > <lift:msg id="msgid" errorClass="error_class"
> > > warningClass="warning_class"/> anywhere ... probably near by your
> > > form field.
> >
> > > Thanks, Philip
> >
> > > On Sep 22, 5:08 pm, Marius <[EMAIL PROTECTED]> wrote:
> >
> > > > On Sep 22, 9:13 am, philip <[EMAIL PROTECTED]> wrote:
> >
> > > > > Hi,
> >
> > > > > I have some questions as I have been developing and reading
> examples.
> >
> > > > > 1. How can I put validation error messages next to the fields
> > > > > themselves?
> >
> > > > Please see notices/error/warnings. For instance S.error("msgid", "an
> > > > error") and int your page you can put:
> >
> > > > <lift:msg id="msgid" errorClass="error_class"
> > > > warningClass="warning_class"/> anywhere ... probably near by your
> > > > form field.
> >
> > > > > 2. Is there any example of use of the controller directory, I saw
> the
> > > > > directory in one example but no files in it. I understand from a
> > > > > previous email I read that controllers are not preferred as there
> may
> > > > > be many controls on a single page.
> >
> > > > Might be .. I'm not sure. But I never had to use them since function
> > > > bindings, DispathPf, LiftView ... brought everything I ever needed :D
> >
> > > > > 3. Why does stateful snippit have a dispatch but other snippits do
> > > > > not. Is there any other information about dispatch around?
> >
> > > > dispatch function is a nice way of invoking snippet functions with no
> > > > reflection. Since "stateless" snippets are not required to implement
> > > > any interface the snippets functions are invoked using reflection.
> >
> > > > > 4. For the DB, it is lazy loading? ie, if I navigate from one
> object
> > > > > to another does it query DB when I navigate down a mapped class to
> > > > > class relationship?
> >
> > > > > 5. Why do you use Can[] for some variables in examples and in other
> > > > > cases you do not. In particular in stateful snippet in example you
> do
> > > > > not use Can[] but in HellForm you do use Can[] when it is a normal
> > > > > snippet.
> >
> > > > Cans are just a cool way to express existence/non-existence of a
> > > > value. Often they are used to avoid null reference testing etc. A can
> > > > can be Empty or Full ... well there is also a Failure which is in
> fact
> > > > an Empty Can.
> >
> > > > > 6. Are Can's compatible with normal Scala Some None?
> >
> > > > there are implicit functions from converting a Can to/from Option.
> You
> > > > can also have Can(Some("asdfsdfg"))
> >
> > > > > 7. Why are the DB classes named as such, MappedString,
> > > > > MetaMegaProtoUser. Mapped makes sense, its mapped to the database
> > > > > right. Meta Mega Proto seems, complex, what does it mean?
> >
> > > > > 8. It seems I prefer bind method over having XML for form in the
> > > > > class. Does anyone have reasons for and against either method?
> >
> > > > Bind is the right way to generate dynamic content on top of your
> > > > template. I don't recommend using a lot of markup generated in Scala
> > > > code. This should be minimized and AFAIC bind is doing a really great
> > > > job.
> >
> > > > > Thanks, Philip
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
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