How to you convert the string "false" to an instance of whatever
PageDelegate is? Tapestry doesn't know either.
On Wed, Nov 26, 2008 at 3:41 AM, Maximilian Weißböck
<[EMAIL PROTECTED]> wrote:
> I have a component that has a delegate as parameter binding like this:
>
>
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> @Parameter("false")
>
> @Property
>
> private PageDelegate pageDelegate;
>
>
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> Inside the page I'm testing if the delegate is set (only then an ActionLink
> will be shown)
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>
>
> <t:if test="pageDelegate">
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>
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> PageDelegate is an Interface, and I'm getting this error on startup:
>
>
>
> [ERROR] ipeople.Index Render queue error in
> BeginRender[ipeople/Index:iphonelistlayout.if_0]: Failure reading parameter
> 'test' of component ipeople/Index:iphonelistlayout.if_0: Failure reading
> parameter 'pageDelegate' of component ipeople/Index:iphonelistlayout: Could
> not find a coercion from type java.lang.Boolean to type
> at.sphinx.sxfinder.util.PageDelegate. Available coercions: Double --> Float,
> Float --> Double, Long --> Boolean, Long --> Byte, Long --> Double, Long -->
> Integer, Long --> Short, Number --> Long, Object --> Object[], Object -->
> String, ... [deleted]
>
>
>
> Everything works fine if I change pageDelegate to type Object, as there is a
> default coercion for Object.
>
> Now what I would like is the exact same behaviour for an Interface as it is
> for Object (test returns true if not null, false if null)
>
>
>
> Is there e generic way to do this, or even better could that be standard
> behaviour in T5?
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> Anything that is against this possible standard behaviour?
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>
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> And a second question:
>
>
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> What I'm doing with this PageDelegate is to give the Component access to the
> Page it is contained in.
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> Is there a better/standard way to do this?
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> Thanks, Max
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>
--
Howard M. Lewis Ship
Creator Apache Tapestry and Apache HiveMind
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