Re: string-binding problem
Christian Sell <[email protected]> Tue, 14 Jan 2003 19:42:39 +0100
| Newsgroups | gmane.comp.java.tapestry.devel |
|---|---|
| Message-ID | <[email protected]> |
to answer my question regarding a workaround:
I tried this:
<binding name="value" expression='getString("message")'/>
this forced the binding to be evaluated every time - BUT:
The string table for the component is created lazily based on the
current locale and cached afterward. It is NOT recreated if the locale
changes, and therefore wrong if the same component is reused in a
subsequent request. See method AbstractComponent.getString(String key).
it seems I cannot proceed without hacking tapestry - or redesigning my app
Christian
Christian Sell wrote:
> Hello,
>
> On one of my pages, I am using an Insert component with a string-binding
> parameter. On the same page, I have a form with a Select component which
> allows setting the Locale. After setting the locale, the same page is
> redisplayed.
>
> Now it turns out that when the locale is set, the Insert element does
> not change its appearance according to the new locale. Only after
> visiting another page and returning to the previous one, the new
> localized string is shown.
>
> I went to the source code and discovered that string-bindings are only
> evaluated once when the component is first created - in method
> ParameterManager.setup(IRequestCycle cycle). It seems that when the same
> page is redisplayed after changing the locale, this does not happen.
>
> I consider this a bug. My suggestion is that StringBinding.isInvariant()
> should return false, and not true as is currently the case.
>
> objections? Or is there a workaround?
>
> Christian
>
>
>
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