Also, why can't a snippet figure out its own name?
On Fri, Oct 30, 2009 at 3:38 PM, Naftoli Gugenheim <naftoli...@gmail.com>wrote:
> I think that's the source of the bug. When
> LiftSession.findSnippetInstance's call to S.snippetForClass returns Empty it
> calls findSnippetClass, instantiates it, adds the class name to the
> snippetNames, and calls S.setSnippetForClass. Maybe setSnippetForClass
> should do it automatically?
> Or maybe I should do what LiftSession does and add a name manually. Then I
> can either call S.setSnippetForClass or StatefulSnippet.registerThisSnippet.
>
>
> On Fri, Oct 30, 2009 at 3:34 PM, Naftoli Gugenheim
> <naftoli...@gmail.com>wrote:
>
>> I added the following comment:
>> Adding println(names) in the submit function (even after calling
>> S.setSnippetForClass)
>> prints Set().
>> On the other hand if the snippet was instantiated by Lift then it prints
>> as expected (in my case Set(Clients).
>>
>>
>> On Fri, Oct 30, 2009 at 3:16 PM, Naftoli Gugenheim
>> <naftoli...@gmail.com>wrote:
>>
>>> I'll write some code on the ticket that you should be able to stick into
>>> any project to test it and if it's not good enough I'll have to create a
>>> project.
>>> I may as well write it here too.
>>> (Not compiled)
>>>
>>> Put in some template:
>>> <lift:MyTestSnippet />
>>>
>>> Put in some other screen:
>>> def test = {
>>> class Test extends StatefulSnippet {
>>> println("Test is now being instantiated!")
>>>
>>> def dispatch = { case _ => render _ }
>>> def render(xhtml: NodeSeq) = SHtml.submit("Submit test", () => {} )
>>> }
>>> }
>>> and
>>> SHtml.link("pathToFirstTemplate", ()
>>> => S.setSnippetForClass("MyTestSnippet", new Test), Text("A link") )
>>>
>>>
>>>
>>> On Fri, Oct 30, 2009 at 2:53 PM, David Pollak <
>>> feeder.of.the.be...@gmail.com> wrote:
>>>
>>>>
>>>>
>>>> On Fri, Oct 30, 2009 at 11:49 AM, Naftoli Gugenheim <
>>>> naftoli...@gmail.com> wrote:
>>>>
>>>>> Do you need a complete project?
>>>>
>>>>
>>>> I need a complete way to reproduce the problem. A whole project is the
>>>> best way to do that.
>>>>
>>>>
>>>>>
>>>>>
>>>>> On Fri, Oct 30, 2009 at 2:09 PM, David Pollak <
>>>>> feeder.of.the.be...@gmail.com> wrote:
>>>>>
>>>>>> File a ticket with a code sample.
>>>>>>
>>>>>>
>>>>>> On Fri, Oct 30, 2009 at 11:03 AM, Naftoli Gugenheim <
>>>>>> naftoli...@gmail.com> wrote:
>>>>>>
>>>>>>>
>>>>>>> Hi. I tried the new functionality. Step 1 works: In my edit client
>>>>>>> link function I call S.setSnippetForClass("Clients", editSnippet) and it
>>>>>>> brings up the page, using the correct snippet.
>>>>>>> Now the editing page has a submit button, "Duplicate", which for
>>>>>>> testing purposes I commented out its function to do nothing. When the
>>>>>>> snippet has been instantiated by Lift internally, clicking Duplicate
>>>>>>> correctly reuses the snippet when it reloads the page. However when the
>>>>>>> snippet was pre-registered using S.setSnippetForClass, the submit button
>>>>>>> causes a new snippet to be instantiated for the reload. Even
>>>>>>> registerThisSnippet doesn't work -- it's necessary to call
>>>>>>> setSnippetForClass in the submit function. Not that that's such a big
>>>>>>> deal
>>>>>>> but it's probably not the intended behavior.
>>>>>>> So in short, S.setSnippetForClass works but doesn't survive a reload
>>>>>>> via a submit button, nor does registerThisSnippet extend its lifetime.
>>>>>>> Thanks.
>>>>>>>
>>>>>>> -------------------------------------
>>>>>>> David Pollak<feeder.of.the.be...@gmail.com> wrote:
>>>>>>>
>>>>>>> I opened a ticket for this. I'll expose functionality so you can
>>>>>>> register
>>>>>>> stateful snippets as part of the request process.
>>>>>>>
>>>>>>> On Sun, Oct 25, 2009 at 1:09 PM, Naftoli Gugenheim <
>>>>>>> naftoli...@gmail.com>wrote:
>>>>>>>
>>>>>>> >
>>>>>>> > This may be more of a feature request than a question.
>>>>>>> > I generally use StatefulSnippets rather than RequestVars. I have
>>>>>>> several
>>>>>>> > places in my Lift webapp where one should be redirected to a screen
>>>>>>> managed
>>>>>>> > by a StatefulSnippet. Until recently I thought it would suffice to
>>>>>>> use
>>>>>>> > S.mapSnippet to map the StatefulSnippet's method as a function.
>>>>>>> > However, this approach has two shortcomings: (1) If the page uses
>>>>>>> multiple
>>>>>>> > snippet methods it become tedious to write mapSnippet for each one.
>>>>>>> (2)
>>>>>>> > Since the snippet can't be registered because it can only get a
>>>>>>> snippetName
>>>>>>> > via private[http] API, any stateful links, redirects, or submits
>>>>>>> don't work.
>>>>>>> > Of course a workaround may be custom replacement methods on the
>>>>>>> snippet that
>>>>>>> > use multiple mapSnippets rather than registerThisSnippet, but again
>>>>>>> this can
>>>>>>> > become tedious.
>>>>>>> > Would it be possible to create a public API either to assign a
>>>>>>> snippet its
>>>>>>> > name so it can be registered, or to retreive a snippet by name? Or
>>>>>>> better
>>>>>>> > yet, assign its name in its constructor or the first time
>>>>>>> > registerThisSnippet etc. is called?
>>>>>>> >
>>>>>>> > >
>>>>>>> >
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Lift, the simply functional web framework http://liftweb.net
>>>>>>> Beginning Scala http://www.apress.com/book/view/1430219890
>>>>>>> Follow me: http://twitter.com/dpp
>>>>>>> Surf the harmonics
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Lift, the simply functional web framework http://liftweb.net
>>>>>> Beginning Scala http://www.apress.com/book/view/1430219890
>>>>>> Follow me: http://twitter.com/dpp
>>>>>> Surf the harmonics
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Lift, the simply functional web framework http://liftweb.net
>>>> Beginning Scala http://www.apress.com/book/view/1430219890
>>>> Follow me: http://twitter.com/dpp
>>>> Surf the harmonics
>>>>
>>>> >>>>
>>>>
>>>
>>
>
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