>
> I could start an experimental branch for all this.
>
Yeah, go for it, man, go for it!
Heiko
My job: weiglewilczek.com
My blog: heikoseeberger.name
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OSGi on Scala: scalamodules.org
Lift, the simply functional web framework: liftweb.net
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Hello,
I'm just starting with Lift, and there's one thing I can't figure out. I want
to modify the ToDo example from the tutorial so that the "Add" button makes an
ajax call, adds the element to a list and displays the modified result.
The problem is that I don't know how to redraw the list aft
With SetHtml you just provide the parent element ID and the NodeSeq
you want to render as a child of that parent. You're saying you don;t
have the NodeSeq Corresponding to the List but I assume you do have
the list right? So assume this Ajax function:
def myCallback(): JsCmd = {
val myList = ...
Hallo
I won't mix scala code with html code. So first I have a binding
bind("hotel", template,"starRating" -> {getStars
(elem.hotelInfo.stars)})
and function
def getStars(stars : String) : NodeSeq = {
if(stars.length >0) {
var style = "width: " + (stars.toInt * 10) + "px;"
It works fine. Thanks a lot.
On 11 Dez., 10:50, Marius wrote:
> well if you want to use the approach below you can simply have in your
> html:
>
>
>
> // put your fields here
>
>
>
> In this approach we don't tell lift to generate a form but we wrap the
> snippet into a form. Nonethe
No but you can use snippets as attributes (something like):
Br's,
Marius
On Dec 23, 12:10 pm, dominikgr wrote:
> Hallo
> I won't mix scala code with html code. So first I have a binding
> bind("hotel", template,"starRating" -> {getStars
> (elem.hotelInfo.stars)})
>
> and function
> def getS
Hello,
> With SetHtml you just provide the parent element ID and the NodeSeq
> you want to render as a child of that parent. You're saying you don;t
> have the NodeSeq Corresponding to the List but I assume you do have
> the list right? So assume this Ajax function:
>
> def myCallback(): JsCmd =
Tips :
in your project call :
mvn dependency:analyze
you should see the list of dependencies useless and used throught transitive
path and to list directly in your pom.xml (may be in place of lift-core).
/davidB
On Wed, Dec 23, 2009 at 02:31, Peter Robinett wrote:
> Indrajit, your post made me
On Dec 23, 1:51 pm, Adam Warski wrote:
> Hello,
>
> > With SetHtml you just provide the parent element ID and the NodeSeq
> > you want to render as a child of that parent. You're saying you don;t
> > have the NodeSeq Corresponding to the List but I assume you do have
> > the list right? So assum
Oh an I hope you're using Lift 1.1 cause RequestVar's scope for Ajax
functions is preserved after rendering the page. If not you can just
use a SessioVar instead.
On Dec 23, 4:06 pm, Marius wrote:
> On Dec 23, 1:51 pm, Adam Warski wrote:
>
>
>
> > Hello,
>
> > > With SetHtml you just provide the
Hello,
> object MyMarkupVar extends RequestVar[NodeSeq](NodeSeq.empty)
ah, that's much better then my solution. Thanks! :)
Maybe you could also write, how to submit a whole form using AJAX? :) So far my
attempts are futile.
I get an ajax request, but the value of the field isn't bound to the mo
This thread
http://groups.google.com/group/liftweb/browse_thread/thread/9d333465ca18eb15/47cac2543737dcb9?lnk=gst&q=ajax+form#47cac2543737dcb9
I believe discusses the same problem you're seeing. Use a hidden field
that binds checkAndSave function. There is an alternative approach
that I described i
I couldn't figure out why my snippet was not being called, then
renamed my class (it was named Msg) and it started working. Is Lift
possibly resolving to another class called Msg?
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There is a built in snippet called "Msg" (it's in
net.liftweb.builtin.snippet). It is wired into
LiftRules.snippetDispatch by default, which I believe will run before
automatic snippet resolution via class name.
If you want to use a snippet called "Msg", I think you might have to
wire it i
Yes lift:Msg is a builtin snippet. We should describe this here:
http://wiki.github.com/dpp/liftweb/about-lift-tags
Br's,
Marius
On Dec 23, 6:38 pm, Erkki Lindpere wrote:
> I couldn't figure out why my snippet was not being called, then
> renamed my class (it was named Msg) and it started workin
A couple of observations...
First, having some XHTML in your Scala code is not a bad thing. When the
XHTML declares the meaning (not the layout) of the information, it's my
opinion that it's okay. This means that:
{list.map(i => {i}}
Simply defines an unordered list. It does not declare how to
Hey Peter,
lift-base is just a parent model for lift-common, lift-actor, lift-util
and lift-webkit. It's not a real dependency that can be used in a
project. Since you are using lift-mapper, just using lift-mapper as
dependency should suffice. Rest of the dependencies would be pulled down
auto
Thanks guys, that helps a lot.
Peter
On Dec 23, 9:05 am, Indrajit Raychaudhuri wrote:
> Hey Peter,
>
> lift-base is just a parent model for lift-common, lift-actor, lift-util
> and lift-webkit. It's not a real dependency that can be used in a
> project. Since you are using lift-mapper, just usin
This has probably come up previously, but I couldn't find anything
even though I think a couple of days ago I read about something
similar:
I want to do a snippet that behaves similarly to JSTL-s forEach tag.
Not exactly the same, but the idea is that it gets some list of model
objects, then goes
S.session.get.processSurroundAndInclude has a couple issues, first is
that it seems to be a much larger stick than you need, and the other
reason is that you are using "get" (which is for Option, I presume you
mean open_!, since S.session is a box) which is not safe -- it will
throw NPE in
Well, I'd prefer to keep different concerns separated. Iterating over
that list is not the only case where I render those objects, that's
why I want the rendering of these objects to be separated into their
own template.
But maybe I'll change my mind. Doing it like you suggested is probably
faster
Well, if that's the case then you could do it something like this:
object MySnippet {
/** Function that binds fields of a single ModelObj */
def bindModelObj(ns: NodeSeq)(model: ModelObj) =
bind("model", ns, "field1" -> model.field1, "field2" ->
model.field2)
}
class MySnipp
Thanks! I'll try that.
On Dec 23, 8:59 pm, Ross Mellgren wrote:
> Well, if that's the case then you could do it something like this:
>
> object MySnippet {
> /** Function that binds fields of a single ModelObj */
> def bindModelObj(ns: NodeSeq)(model: ModelObj) =
> bind("model"
Thanks again for the advice, this was about 25 times faster than what
I originally showed!
Erkki
On Dec 23, 8:59 pm, Ross Mellgren wrote:
> Well, if that's the case then you could do it something like this:
>
> object MySnippet {
> /** Function that binds fields of a single ModelObj */
>
Hi Xuefeng, I think will produce 1 tooltip for the entire sitemap,
what i'm looking for is a tooltip for each link in the sitemap.
On Dec 21, 11:39 pm, Xuefeng Wu wrote:
> Sorry I misunderstand you.
>
> And I do not know how to too.
>
> Maybe you should use
>
> instead of
>
>
>
> On Tue, Dec 22
Also if you need to do a foreach in the middle of a snippet (say in the
previous example there was a header row that is also bound by the snippet), the
right side of a binding (the part after the arrow) can be a function from
NodeSeq to NodeSeq, so you can nest binds, and make that function do a
So the 2.8 port branch(I'm used to subversion lingo) is broken right
now? Ouch, the only netbeans plugin for scala that works on the
current release of netbeans requires 2.8xx..
Oh and I'm not mixing lift versions in the same webapp, I was mixing
in the same container. But now I moved both webap
I've got this xhtml in my template:
Also known as:
with this snippet code:
def alsoKnownAs( xhtml: NodeSeq, product: Product): NodeSeq = {
def list( xhtml: NodeSeq, product: Product): NodeSeq = {
product
.alternateLabels
.flatMap( l =>
I missed a bit of code, probably not relevant, but just in case
someone notices the issue:
def loserAlsoKnownAs( xhtml: NodeSeq ): NodeSeq = {
alsoKnownAs(xhtml, loser)
}
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I've got some xhtml blocks in one of my templates that are basically
identical, and I'd like to avoid the duplication, by either writing
the block once in my template and using a snippet to write it out
twice (with different values) or put it in its own template.
Items
First
Second
bind("alsoKnownAs", in, "list" -> { (ns: NodeSeq) => bind("list", ns,
"label" -> ... ) })
-Ross
On Dec 23, 2009, at 3:59 PM, Alex Black wrote:
> I've got this xhtml in my template:
>
>
> Also known as:
>
>
>
>
>
>
>
> with this snippet code:
>
> def alsoKnownAs( xhtml: Nod
S.attr gives you attributes of the current snippet calling tag, e.g.
class Item extends DispatchSnippet {
val dispatch: DispatchIt = {
case "points" => points
}
def points(ns: NodeSeq): NodeSeq = {
val points = S.attr("item") match {
case Full("first"
So, I'm working on a simple image gallery, and I can make a link from an
image in the gallery to a page for that image with this:
(additional content omitted for clarity). This is simple enough to
bind:
"imgLink" ->
link("/viewImage", () => selected(i.id), )
but this a.) put
Slick, thats perfect, thanks.
On Dec 23, 4:16 pm, Ross Mellgren wrote:
> bind("alsoKnownAs", in, "list" -> { (ns: NodeSeq) => bind("list", ns,
> "label" -> ... ) })
>
> -Ross
>
> On Dec 23, 2009, at 3:59 PM, Alex Black wrote:
>
> > I've got this xhtml in my template:
>
> >
> > Also known as:
Move the bind to an inner function, and call that function
recursively, for example:
class Image extends DispatchSnippet {
val dispatch: DispatchIt = {
case "showAll" => showAll
}
def showAll(ns: NodeSeq): NodeSeq = {
def doBinding(ns: NodeSeq): NodeSeq =
Thanks Ross, I think I get that.. I'm not seeing the full picture yet,
let me show a bit more of my thinking:
So, extending my previous example, I'd like to write it like this:
Items
// Emit the block twice, once for each item (first,second).
def firstAndSecond(xhtml: NodeSeq):
Hello,
> This thread
> http://groups.google.com/group/liftweb/browse_thread/thread/9d333465ca18eb15/47cac2543737dcb9?lnk=gst&q=ajax+form#47cac2543737dcb9
> I believe discusses the same problem you're seeing. Use a hidden field
> that binds checkAndSave function. There is an alternative approach
>
Ross Mellgren writes:
> Move the bind to an inner function, and call that function
> recursively, for example:
Aha! This gets me to:
def doShowAll(in: NodeSeq): NodeSeq = {
def doBinding(ns: NodeSeq, i: ImageInfo): NodeSeq =
bind("showAll", ns,
"name" -> i.name.is,
Jim Wise writes:
> "category" ->
>i.category.obj.open_!.name, // XXX safe unless key rel is corrupt
> ?
> AttrBindParam("imgUrl", i.url, "src")
And, since I'm looking at this code, what's the safe way to do this
(i.e. can I avoid the open_!)?
--
Hello,
just a note to the snippets written in the tutorial. The elements of the todo
list, when changed (e.g. the "done" checkbox), submit and redraw the list. The
code for that is (Listing 17):
def list(html: NodeSeq) = {
val id = S.attr("all_id").open_!
def inner(): NodeSeq = {
def
Hello,
> A couple of observations...
>
> First, having some XHTML in your Scala code is not a bad thing. When the
> XHTML declares the meaning (not the layout) of the information, it's my
> opinion that it's okay. This means that:
> {list.map(i => {i}}
> Simply defines an unordered list. It
So, with nested snippets you have two basic execution model options:
1) the default, the inner snippets get executed after the outer
snippet has executed completely. the outer snippet sees as it's
content the original content from the template, complete with
lift:Item.points tags and so o
Normally you'd probably do something like
i.category.obj.map(_.name).openOr("unknown category!")
That is, if I have a category object give me its name, otherwise give
me "unknown category!"
Also, if you have to collect the result a bunch of possibly-failing
computations (like looking up the
Try:
i.category.obj.map(_.name).openOr("Default name")
Cheers, Tim
On 23 Dec 2009, at 21:45, Jim Wise wrote:
> Jim Wise writes:
>
>> "category" ->
>> i.category.obj.open_!.name, // XXX safe unless key rel is corrupt
>> ?
>> AttrBindParam("imgUrl", i.url, "src")
>
Why not something like:
...
Br's,
Marius
On Dec 23, 11:46 pm, Adam Warski wrote:
> Hello,
>
> just a note to the snippets written in the tutorial. The elements of the todo
> list, when changed (e.g. the "done" checkbox), submit and redraw the list.
> The code for that is (Listing 1
Oh, I see -- because x.map(foo) where x is a Box returns a Box which
is Empty/Error or Full(foo(a.open)) depending on whether x was Full.
Thank you!
Sent from my iPhone
On Dec 23, 2009, at 17:06, Ross Mellgren wrote:
> Normally you'd probably do something like
>
> i.category.obj.map(_.name).
whatever.map().openOr(..) is the usual idiom, however, you could of course
use parameter extraction if that floats your boat / is appropriate.
Cheers, Tim
On 23 Dec 2009, at 23:11, Jim Wise wrote:
> Oh, I see -- because x.map(foo) where x is a Box returns a Box which
> is Empty/Error or
On Wed, Dec 23, 2009 at 12:29 PM, Alan M wrote:
> So the 2.8 port branch(I'm used to subversion lingo) is broken right
> now?
No. Until Scala 2.8. RC6, the Scala compiler had problems compiling Lift
code. We have been actively working with EPFL to make sure Lift and Scala
2.8 together and EPF
Hi Ross, I am learning more about Lift every day :)
Reflecting that last point back to you, if I make it just one snippet
call, then that snippet call can pass parameters to inner snippet
functions, e.g. first or second.
So, that works, but I as you mentioned, I think that snippet will get
comple
I guess I could see something that keeps track of which item to show and
advances it each time, but I think it's still a good idea to pass the item
explicitly down to subsidiary "snippets". You can still break up each of the
sub snippets, the only difference is you call them without the lift: pr
Could SiteMap authorize the editable text?
I use swappable some where and do not know how to authorize it.
On Tue, Dec 8, 2009 at 5:38 AM, Marius wrote:
> I'm not really sure why you're saying that SiteMap is out of the
> question. Note that SiteMap does NOT equate with the Menu. You can use
>
This line is troubling:
[PersistenceUnit: jpaweb] Unable to build EntityManagerFactory
But I'm not sure why that would be happening and not throwing some sort of
exception or logging. I'm not going to be around much over the holidays, but
I can definitely help next week if you're still running in
Hi!
Help me, please, with example of inner and outer relations in findAll
query. Is it possible to do without manual BySQL()? I want to do
following select:
select * from payment_order o
join client c on o.client_id = c.id
where c.type = 'xxx'
=>
PaymentOrder.findAll(...)
I had a lot of goog
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