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From "Bob Paige" <bobpa...@gmail.com>
Subject Re: page metadata again
Date Wed, 23 Jul 2008 14:06:15 GMT
Murray,

Thanks for the advice, I will take it to heart.

Do we know anything about when 3.0 (or even 2.7) will be released?

-- 
Bobman

On Wed, Jul 23, 2008 at 9:16 AM, Murray Altheim <murray07@altheim.com>
wrote:

> Bob Paige wrote:
>
>> I have a prototype of my metadata proposal implemented, and have run into
>> a
>> snag.
>>
>> My (erroneous) assumption was that by implementing preSave and
>> preTranslate
>> filters I could encode the metadata without the user knowing. This is
>> certainly true for the scenario where the user enters some metadata, saves
>> the page, and views it. Unfortunately, the preTranslate filter is not
>> called
>> prior to an edit so when the user edits a page after saving it they will
>> see
>> the encoded metadata. I can write the encoding logic (in the preSave)
>> filter
>> to handle this situation, but it is still messy in that the user is now
>> aware of my 'fiddling' behind the scenes.
>>
>> I don't suppose there is some other mechanism that would allow me to
>> decode
>> prior to an edit? Could I extend WikiEngine or PageManager to behave the
>> way
>> I want, and insert my own instance into the server?
>>
>
> Bob,
>
> It sounds like you are trying to retrofit a record/page metadata
> scheme on top of a very difficult edifice. As someone who's played
> a lot with plugins and filters they work very well for what they
> were intended for, but it's difficult to create certain kinds of
> functionality. I wrote a plugin that permitted a declaration of a
> name-value pair, then also wrote that as a page-level metadata,
> and it works passably, but with 3.0 coming up I've given up on it.
>
> I've had a basic task of reformulating the metadata handling of
> JSPWiki 3.0 since by that time our entire backend will be JSR-170
> compliant. Janne has worked up a prototype that I've not had much
> of a chance to test. I don't have any time right now to go through
> the archives but you can search on priha, JSR-170, JackRabbit and/or
> metadata and you should be able to find stuff.
>
> I think extending one of the larger objects in the JSPWiki pantheon
> is really asking for trouble, if you wanted any advice on that matter...
>
> Murray
>
> ...........................................................................
> Murray Altheim <murray07 at altheim.com>                           ===  =
> =
> http://www.altheim.com/murray/                                     = =
>  ===
> SGML Grease Monkey, Banjo Player, Wantanabe Zen Monk               = =  = =
>
>      Boundless wind and moon - the eye within eyes,
>      Inexhaustible heaven and earth - the light beyond light,
>      The willow dark, the flower bright - ten thousand houses,
>      Knock at any door - there's one who will respond.
>                                      -- The Blue Cliff Record
>

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