I figured there was a better way to do it. I rewrote pretty much all of
SHtml to allow adding attributes easily (which is why mine says FH
instead of SHtml). This looks interesting. I'll check it out.
Thanks,
Chas.
David Pollak wrote:
> Charles,
>
> Thanks for the suggestion.
>
> I've just checked up code that looks something like yours:
>
> def ajaxButton(text: NodeSeq, func: () => JsCmd, attrs: (String,
> String)*): Elem =
> attrs.foldLeft(<button
> onclick={makeAjaxCall(Str(mapFunc(func)+"=true")).toJsCmd+"; return false;"}
> >{text}</button>)(_ % _)
>
> All the various form element creation methods take an attrs vararg.
>
> Also, note the use of foldLeft
>
> Thanks,
>
> David
>
>
> On Tue, Nov 18, 2008 at 1:25 AM, Charles F. Munat <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
>
> So I copied SHtml over for fun and renamed it FH (form helper). Then I
> tried messing with textarea first, just for fun. This can probably be
> done much better, but this works just fine:
>
> private def getAttrs(attrs: Tuple2[String, String]*) : MetaData = {
> attrs.toList match {
> case x :: xs =>
> new UnprefixedAttribute(x._1, x._2, getAttrs(xs: _*))
> case _ => Null
> }
> }
>
> def textarea(value: String, func: String => Any,
> attrs: Tuple2[String, String]*): Elem =
> textarea_*(value, SFuncHolder(func), attrs: _*)
>
> def textarea_*(value: String, func: AFuncHolder,
> attrs: Tuple2[String, String]*): Elem = {
> (<textarea name={mapFunc(func)}
> rows="8" cols="40">{value}</textarea>) %
> getAttrs(attrs: _*)
> }
>
> Now I can call it like this:
>
> FH.textarea(contact.message, contact.message = _, ("id", "myId"),
> ("class", "myClass"), ("rows", "12"))
>
> And I get this:
>
> <textarea id="myId" class="myClass" rows="12" cols="40"></textarea>
>
> (I added default rows and cols attributes because they are required for
> valid XHTML.)
>
> For what it's worth, this works much better for me.
>
> Chas.
>
> Charles F. Munat wrote:
> > Ha. Great minds stink alike. I just discovered this little setback
> > (after adding "id" attributes to about fifty checkboxes -- note
> to self:
> > check one before doing them all).
> >
> > I've been messing with the map but it's messing with me. I can
> grab the
> > right node pretty easily, but then I can't seem to add the MetaData.
> >
> > If you're looking to add an id, you can use checkbox_id:
> >
> > SHtml.checkbox_id(user.isStupid, user.isStupid = _, Full("isStupid"))
> >
> > which adds id="isStupid" to the checkbox input.
> >
> > Chas.
> >
> >
> >
> > Derek Chen-Becker wrote:
> >> For a really neat trick, how would I set the ID for a checkbox? The
> >> SHtml checkbox method returns a NodeSeq. I suppose I could just do a
> >> "map", but I was wondering if there was a simpler way.
> >>
> >> Thanks,
> >>
> >> Derek
> >>
> >> On Mon, Nov 17, 2008 at 4:54 PM, David Pollak
> >> <[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>>>
> >> wrote:
> >>
> >>
> >>
> >> On Mon, Nov 17, 2008 at 3:41 PM, Charles F. Munat
> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
> >>
> >>
> >> Added:
> >>
> >>
>
> http://liftweb.net/index.php/FAQ#How_do_I_add_attributes_to_form_fields_created_with_SHtml_methods.3F
> >>
> >>
> >> Awesome! Thanks!
> >>
> >>
> >>
> >> Chas.
> >>
> >> Jorge Ortiz wrote:
> >> > Oops, it might be:
> >> >
> >> > SHtml.text(user.name <http://user.name>
> <http://user.name> <http://user.name>,
> >> user.name <http://user.name> <http://user.name>
> <http://user.name> = _) %
> >> > ("size" -> "24") %
> >> > ("maxlength" -> "48") %
> >> > ("id" -> "user_name") %
> >> > ("title" -> "Enter your name")
> >> >
> >> > One or both of those should work.
> >> >
> >> > --j
> >> >
> >> > On Mon, Nov 17, 2008 at 12:27 PM, Jorge Ortiz
> >> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> >> > <mailto:[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>
> >> <mailto:[EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>>>> wrote:
> >> >
> >> > Try:
> >> >
> >> > SHtml.text(user.name <http://user.name>
> <http://user.name>
> >> <http://user.name>, user.name <http://user.name>
> <http://user.name>
> >> > <http://user.name> = _) %
> >> > ("size", "24") %
> >> > ("maxlength", "48") %
> >> > ("id", "user_name") %
> >> > ("title", "Enter your name")
> >> >
> >> > That should work.
> >> >
> >> > --j
> >> >
> >> > On Mon, Nov 17, 2008 at 12:21 PM, Charles F. Munat
> >> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>> wrote:
> >> >
> >> >
> >> > I spend a lot of time writing % new
> >> UnprefixedAttribute(...) to add
> >> > attributes to SHtml form elements (input,
> textarea,
> >> select, etc.).
> >> >
> >> > It would be nice if the relevant SHtml
> methods would
> >> permit optional
> >> > extra parameters in the form of tuples where
> contents
> >> are name-value
> >> > pairs that get translated to attributes. I don't
> >> think this
> >> > would be a
> >> > breaking change.
> >> >
> >> > In other words, instead of:
> >> >
> >> > SHtml.text(user.name <http://user.name>
> <http://user.name>
> >> <http://user.name>, user.name <http://user.name>
> <http://user.name>
> >> > <http://user.name> = _) %
> >> > new UnprefixedAttribute("size", "24",
> >> > new UnprefixedAttribute("maxlength", "48",
> >> > new UnprefixedAttribute("id", "user_name",
> >> > new UnprefixedAttribute("title",
> "Enter your
> >> name", Null)
> >> > )
> >> > )
> >> > )
> >> >
> >> > I could do:
> >> >
> >> > SHtml.text(user.name <http://user.name>
> <http://user.name>
> >> <http://user.name>, user.name <http://user.name>
> <http://user.name>
> >> > <http://user.name> = _,
> >> > ("size", "24"),
> >> > ("maxlength", "48"),
> >> > ("id", "user_name"),
> >> > ("title", "Enter your name")
> >> > )
> >> >
> >> > Which is a hell of a lot cleaner and faster,
> and I
> >> don't have to
> >> > import
> >> > UnprefixedAttribute and remember the % and
> the new
> >> keywords.
> >> >
> >> > Or is this already possible and I'm missing it?
> >> >
> >> > I have an online survey with 43 questions on
> 5 pages
> >> involving
> >> > more than
> >> > 150 database fields. The snippet is already
> over 700
> >> lines and
> >> > growing.
> >> > It's just unmanageable.
> >> >
> >> > Another thing: the <label> element is a very
> >> important part of
> >> > accessibility to persons with disabilities,
> but it
> >> needs a "for"
> >> > attribute that references the "id" attribute
> of the input
> >> > element (or
> >> > textarea, etc.). The current SHtml output (unlike
> >> Rails) does not
> >> > generate an id attribute, so they have to be
> added by
> >> hand. Has
> >> > anyone
> >> > given any thought to automatically-generated id
> >> elements on form
> >> > fields?
> >> > Better yet, some way to integrate labels?
> >> >
> >> > Ideally, I would do something like this:
> >> >
> >> > <survey:name label="Your name"/>
> >> >
> >> > Or this:
> >> >
> >> > <survey:name>Your name</survey:name>
> >> >
> >> > and bind would allow me to generate this:
> >> >
> >> > <label for="id123">Your name
> >> > <input type="text" id="id123" value=""
> >> > name="F1226951216428645000_I0G"/>
> >> > </label>
> >> >
> >> > What do others think? Is this already possible?
> >> >
> >> > Chas.
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > >
> >>
> >>
> >>
> >>
> >>
> >> --
> >> Lift, the simply functional web framework http://liftweb.net
> >> Collaborative Task Management http://much4.us
> >> Follow me: http://twitter.com/dpp
> >> Git some: http://github.com/dpp
> >>
> >>
> >>
> >>
> >>
> >
> > >
>
>
>
>
>
> --
> Lift, the simply functional web framework http://liftweb.net
> Collaborative Task Management http://much4.us
> Follow me: http://twitter.com/dpp
> Git some: http://github.com/dpp
>
> >
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Lift" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/liftweb?hl=en
-~----------~----~----~----~------~----~------~--~---
