I'm afraid I'd have to see your code to spot what's going on. This is
trickier stuff than can be expressed by e-mail, I'm afraid.
----- Original Message -----
From: "Jason Owens" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, May 29, 2002 11:45 PM
Subject: Re: [Tapestry-developer] (Updated) Service / Form question
> Hello again.
>
> Sorry for the mails, but I've spent a lot of time trying to debug this,
> and I'm just not sure where to go from here.
>
> I've found the actual cause for the stale link:
>
> com.primix.tapestry.StaleLinkException: Incorrect number iof elements
> with form Test/form.
> at com.primix.tapestry.form.Form.render(Form.java:510)
> ... etc
>
> Is there a reason for this?
>
> This is what happens on my page:
>
> <form jwcid="form">
> <span jwcid="miniCal"/>
> </form>
>
> miniCal generates links of the form:
>
> <a href="javascript:onClick_Form0_miniCal_selectDay('05-01-02')">01</a>
>
> and selectDay simply sets a hidden field (to the string parameter) and
> submits the form. I am using ListEdit where applicable to iterate
> through the weeks of the month.
>
> My code is virtually identical to that of Palette (w.r.t. render() and
> runScript()).
>
> Any insight will be appreciated. BTW - has anyone actually done
> something like this? Generate links dynamically within a form using
> javascript and function parameters?
>
> -Jason
>
> On Wednesday, May 29, 2002, at 06:13 PM, Jason Owens wrote:
>
> > Hello...
> >
> > Unfortunately, it wasn't that simple. I wasn't using the Script
> > component, because I need access to the function from the script.
> > However - if I do it the way Palette does it - I execute the script
> > *before* the components are rendered - which means I can't get to the
> > component names. But if I do it the Script component way, I can't get
> > to the script's internal symbols.
> >
> > Finally - I just had to find the first component, render it, manually
> > process the script, then continue rendering the remaining components.
> >
> > HOWEVER - it still doesn't work. Everything is as it should be. (I.e.
> > if I weren't using tapestry) But I am getting stale link exceptions
> > now. WHY??? Yes - I do have a visit object. I did not press the back
> > button. My script is SIMPLY setting the value of the hidden
> > (document.form.hidden.value = val), and then calling
> > document.form.submit().
> >
> > Again - any help. I don't even know where to look to find out why I'm
> > getting the stale link. It "look like" the context/parameters/service
> > aren't going through.
> >
> > Perhaps it's just my frustration blinding me.
> >
> > -jason
> >
> > On Wednesday, May 29, 2002, at 07:12 PM, Howard M. Lewis Ship wrote:
> >
> >> You need to place your Script after the other components render; the
> >> name is
> >> assigned inside renderComponent() and persists afterwards.
> >>
> >> This is the way it is because we don't know how many times a component
> >> will
> >> render within the same form (i.e., the magic of Foreach).
> >>
> >> BTW, welcome to the world of meta-programming ... where you program the
> >> system how to program!
> >>
> >>
> >> ----- Original Message -----
> >> From: "Jason Owens" <[EMAIL PROTECTED]>
> >> To: <[EMAIL PROTECTED]>
> >> Sent: Wednesday, May 29, 2002 1:35 PM
> >> Subject: Re: [Tapestry-developer] Service / Form question
> >>
> >>
> >>> Thanks for the reply Howard...
> >>>
> >>> I thought it would be something like that, but I didn't want to mess
> >>> with Javascript.
> >>>
> >>> Nevertheless, I've almost got it working (after some studying of
> >>> Palette...) - but I have a problem.
> >>>
> >>> In my render() method, I'm doing:
> >>>
> >>> symbols.put("hiddenComponent", getComponent("selectedDay"));
> >>>
> >>> ...
> >>>
> >>> and in my MiniCalendar.script file, I've got:
> >>>
> >>> <let key="hiddenName">
> >>> <insert property-path="hiddenComponent.name"/>
> >>> </let>
> >>> <let key="hiddenPath">
> >>> <insert property-path="formPath"/>.<insert property-
> >>> path="hiddenName"/>
> >>> </let>
> >>>
> >>> and
> >>>
> >>> <body>
> >>> function <insert property-path="function"/>(var val) {
> >>> <insert property-path="hiddenPath">.value = val;
> >>> ...
> >>> }
> >>> </body>
> >>>
> >>> But it doesn't work. It seems that my selectedDay component is not
> >>> getting a name, because this is what I get in the rendered page:
> >>>
> >>> document.Form0..value = val;
> >>>
> >>> Notice the hiddenName missing. I can't get it in there.
> >>>
> >>> Because I need to dynamically get the function name (like Palette does
> >>> for the select/deselect buttons), I load the script like Palette. This
> >>> means I can't bind the component using the SubmitScript example...
> >>>
> >>> Any suggestions?
> >>>
> >>> Thanks
> >>> -Jason
> >>>
> >>>
> >>> On Wednesday, May 29, 2002, at 07:39 AM, Howard M. Lewis Ship wrote:
> >>>
> >>>> This is less a Tapestry question than a general HTML question. Links
> >>>> and
> >>>> links and forms are forms.
> >>>>
> >>>> Take a step back and picture what you would do if this was pure HTML.
> >>>>
> >>>> When the component is not inside a form, then you would have each
> >>>> link
> >>>> simply pass along, directly, the selected date as part of a URL.
> >>>>
> >>>> When the component is inside a form, you would need client-side
> >>>> JavaScript.
> >>>> My approach would be to define a hidden field within the form;
> >>>> clicking a
> >>>> link will activate JavaScript to fill in the hidden field with the
> >>>> appropriate value and then force the containing form to submit.
> >>>>
> >>>> Tapestry can do all of this. In fact, your component can check to
> >>>> see
> >>>> if it
> >>>> is wrapped by a form and adjust automatically.
> >>>>
> >>>> Hope this helps,
> >>>>
> >>>> Howard
> >>>>
> >>>>
> >>>> ----- Original Message -----
> >>>> From: "Jason Owens" <[EMAIL PROTECTED]>
> >>>> To: <[EMAIL PROTECTED]>
> >>>> Sent: Tuesday, May 28, 2002 4:45 PM
> >>>> Subject: [Tapestry-developer] Service / Form question
> >>>>
> >>>>
> >>>>> Hello all,
> >>>>>
> >>>>> I'm relatively new to Tapestry (I'm using ver. 2.0)... and I just
> >>>>> came
> >>>>> across this problem and wondered if anyone knows how to fix it
> >>>>> without a
> >>>>> tremendous amount of work.
> >>>>> What I want to do:
> >>>>>
> >>>>> I've built a nice 'mini calendar' component that allows a user to
> >>>>> select a
> >>>>> date range. It's *supposed* to be usable within and without a form.
> >>>>> Each
> >>>>> day is a Direct link (with a context of something like '05-28-02')
> >>>>> so
> >>>>> it
> >>>>> can determine which day was selected. The assembler must specify the
> >>>>> start
> >>>>> date (java.util.Calendar) and end date as parameters. The component
> >>>>> will
> >>>>> call the setTime() mutator on the bound calendars when a day is
> >>>>> selected.
> >>>>> The problem:
> >>>>>
> >>>>> Now, I place the calendar in a form, and when the user selects a
> >>>>> date -
> >>>>> all the other components within the form are reset (including the
> >>>>> bound
> >>>>> Calendars)! Duh... stupid me. I know this has to do with the fact I
> >>>>> used
> >>>>> the Direct service. But how can I build that component without the
> >>>>> Direct
> >>>>> service? If I use Action, I lose the information for each day link.
> >>>>> The main problem is that I'm not sure how to take the form's state
> >>>>> along
> >>>>> with me, especially when using a component that makes use of Direct
> >>>>> in
> >>>>> this manner. Is there some way to hook into the form's submit? From
> >>>>> what I
> >>>>> understand from reading the dev guide, I need to rewind the form to
> >>>>> allow
> >>>>> the components to do their thing... but can I trigger this off a
> >>>>> Direct
> >>>>> somehow?
> >>>>> Any pointers will be appreciated.
> >>>>>
> >>>>> Thanks
> >>>>> -Jason
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________________________
> >>>>>
> >>>>> Don't miss the 2002 Sprint PCS Application Developer's Conference
> >>>>> August 25-28 in Las Vegas --
> >>>>> http://devcon.sprintpcs.com/adp/index.cfm
> >>>>>
> >>>>> _______________________________________________
> >>>>> Tapestry-developer mailing list
> >>>>> [EMAIL PROTECTED]
> >>>>> https://lists.sourceforge.net/lists/listinfo/tapestry-developer
> >>>>
> >>>>
> >>>> _______________________________________________________________
> >>>>
> >>>> Don't miss the 2002 Sprint PCS Application Developer's Conference
> >>>> August 25-28 in Las Vegas --
> >>>> http://devcon.sprintpcs.com/adp/index.cfm
> >>>>
> >>>> _______________________________________________
> >>>> Tapestry-developer mailing list
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> >>>> https://lists.sourceforge.net/lists/listinfo/tapestry-developer
> >>>>
> >>>
> >>>
> >>> _______________________________________________________________
> >>>
> >>> Don't miss the 2002 Sprint PCS Application Developer's Conference
> >>> August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
> >>>
> >>> _______________________________________________
> >>> Tapestry-developer mailing list
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> >>> https://lists.sourceforge.net/lists/listinfo/tapestry-developer
> >>>
> >>
> >
> >
> > _______________________________________________________________
> >
> > Don't miss the 2002 Sprint PCS Application Developer's Conference
> > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
> >
> > _______________________________________________
> > Tapestry-developer mailing list
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> > https://lists.sourceforge.net/lists/listinfo/tapestry-developer
> >
>
>
> _______________________________________________________________
>
> Don't miss the 2002 Sprint PCS Application Developer's Conference
> August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm
>
> _______________________________________________
> Tapestry-developer mailing list
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> https://lists.sourceforge.net/lists/listinfo/tapestry-developer
>
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