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List:       tapestry-user
Subject:    Re: Programmatically generating DirectLinks with updateComponents
From:       "Andreas Andreou" <andreoua () gmail ! com>
Date:       2007-12-22 22:30:10
Message-ID: 745369620712221430v28cd7a7t872deebc64c977ba () mail ! gmail ! com
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Hi,
what's the html template for
ResultElement ?
Can't you add the link there?

On Dec 22, 2007 11:48 PM, Kaspar Fischer <fischerk@inf.ethz.ch> wrote:
> On 21.12.2007, at 19:29, Kaspar Fischer wrote:
>
> > Hi,
> >
> > My custom component needs to emit in its renderComponent() method
> > several
> > DirectLink with updateComponents information. That is, I need to
> > output the
> > same HTML as
> >
> >   <a jwcid="@DirectLink" listener="listener:doClick"
> > updateComponents="result"></a>
> >
> > generates non-programmatically, but from within renderComponent().
> > How can
> > I do this?
> >
> > Thanks,
> > Kaspar
>
> To give a concrete example: I tried to do it as follows:
>
>    <div jwcid="@Block">
>      <a jwcid="link@DirectLink" listener="listener:showResult"
> updateComponents="result"></a>
>    </div>
>
>    <div jwcid="@ResultElement" tree="ognl:mydate"/>
>
>    <div jwcid="result@Block">
>      <div jwcid="@Insert" value="ognl:result"></div>
>    div>
>
> ... and from the code (ResultElement's renderComponent()) I try to
> render the link as follows:
>
>      DirectLink link = (DirectLink)this.getContainer().getComponent
> ("link");
>      String url = link.getLink(cycle).getURL();
>      writer.begin("a");
>      writer.appendAttribute("href", url);
>      writer.print(title);
>      writer.end();
>
> Unfortunately, this only outputs an ordinary link, not an AJAX link!
>
> Any ideas how to output a AJAX link programmatically?
>
>
> Thanks,
> Kaspar
>
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-- 
Andreas Andreou - andyhot@apache.org - http://blog.andyhot.gr
Tapestry / Tacos developer
Open Source / JEE Consulting

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