I agree. Allowing for a "guard" JavaScript expression to be called before
the Ajax call is made would be nice.
Derek
On Tue, Apr 28, 2009 at 3:02 PM, marius d. <marius.dan...@gmail.com> wrote:
>
> Pretty much all SHtml function related to Ajax invokes the ajax call
> as to click the link, button, etc. SHtml.ajaxCall function allow you
> to provide a JsExp (which could be any JavScript expression) who's
> result would be passed to the ajax call. But I don't think this will
> help your case a whole lot.
>
> Maybe we can do another SHtml helper that would help your case. Such
> as:
>
>
> 1. On click, we are calling a user defined Ajax function and pass to
> it a function that does the actual Ajax call
> 2 In your JS function (which would be the confirm function) you can
> choose to call the function passed whenever you want, so you'd have
> the liberty to actually do the ajax request or not.
>
> Of course you could implement this yourself quite easily but I think
> it worth having something like that in SHtml for a simpler use.
>
> Looks to me that this would be a nice addition to SHtml.
>
> Br's,
> Marius
>
> On Apr 28, 3:48 am, Chris <cfor...@gmail.com> wrote:
> > Hi Tim,
> > just one addition. Wicket has something called an ajaxcall decorator
> > (IAjaxCallDecorator) that allows you to modify the script and more
> > specifically the "decorateScript" method allows you to prepend a char-
> > sequence to the script. This would allow me to do exactly what I want.
> > Is there any way in Lift to achieve the same thing? I'd really like to
> > avoid dealing with JavaScript directly apart from something as trivial
> > as the "confirm(...)" dialog or similar.
> > Cheers, Chris.
> >
> > On Apr 28, 9:56 am, Chris <cfor...@gmail.com> wrote:
> >
> > > Hi Tim,
> > > not sure if I really got across what I need. I need the AJAX
> > > functionality in this case as I'm displaying a large amount of data in
> > > a table and would like to allow the user to delete individual records
> > > without the refresh problem of having the button cause a POST. I also
> > > need to make sure the user hasn't "accidentally" pressed "delete",
> > > hence the "confirm(..)" dialog. Does option (1) above prevent the
> > > subsequent call of the ajaxButton if the user presses "cancel" on the
> > > JS "confirm" dialog, but allow it if he presses "OK"? Option (2) is
> > > just a slightly different way of doing what I've already tried (I
> > > added the "onclick" attribute to the ajaxButton call itself) and this
> > > subsequently removes the actual AJAX call itself.
> > > Thanks, Chris.
> >
> > > On Apr 28, 9:22 am, Timothy Perrett <timo...@getintheloop.eu> wrote:
> >
> > > > Hey,
> >
> > > > Seems like you have a couple of options...
> >
> > > > 1. you could just write normal javascript irrespective of lift and
> > > > just put that in a JS file like normal. Something like:
> >
> > > > $('#mybutton').click(function(e){
> > > > confirm... //blah blah code here
> >
> > > > });
> >
> > > > 2. If you *really* want to use the on-click handler (personally I
> > > > wouldn't) then you could do somethig like this in your snippet:
> >
> > > > SHtml.ajaxButton("submit", () => println("badger")) % ("onclick" ->
> > > > "confirm(....);")
> >
> > > > I would highly recommend using option one as the functionality is
> > > > purely a client side concern in that sense and nothing to do with
> > > > lift. Does that help?
> >
> > > > Cheers, Tim
> >
> > > > On Apr 27, 11:29 pm, Chris <cfor...@gmail.com> wrote:
> >
> > > > > Hi there,
> > > > > I'm pretty new to Lift and Scala for that matter, but have long
> been
> > > > > on the lookout for something like seaside running on the JVM and
> this
> > > > > is just great! Now to my issue...
> > > > > I've hit a brick-wall in the attempt to get a confirmation dialog
> > > > > working before executing an ajaxButton. I've tried adding an
> "onclick"
> > > > > attribute to the ajaxButton call, but that only seems to replace
> the
> > > > > AJAX call itself rather than say prepending the call with the
> contents
> > > > > of the "onclick" attribute. I'd like to implement a "delete" button
> > > > > with a confirmation dialog. I've looked at ModalDialog, but due to
> my
> > > > > inexperience and lack of examples haven't found a way of achieving
> > > > > this. Could someone enlighten me as to how I could implement this?
> > > > > Cheers, Chris.
> > > > > PS: I hope this isn't a FAQ but I've searched this group and the
> web
> > > > > on the matter, but haven't found an answer, so sorry in advance if
> > > > > this has been answered before.
> >
>
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