Re: Writing a beginners tutorial, some D2W questions on Webassistant and ERAtachment
Re: Writing a beginners tutorial, some D2W questions on Webassistant and ERAtachment
- Subject: Re: Writing a beginners tutorial, some D2W questions on Webassistant and ERAtachment
- From: David LeBer <email@hidden>
- Date: Sun, 20 Jan 2008 16:15:59 -0500
On 20-Jan-08, at 4:02 PM, Lachlan Deck wrote:
On 21/01/2008, at 7:35 AM, Anjo Krank wrote:
Am 20.01.2008 um 21:24 schrieb Lachlan Deck:
I agree. If you start your tutorial by saying that "you'll need a
deep understanding of WO/EOF that'll take you 5 years or so before
you touch D2*" they'll never come back.
Maybe they should... I remember I re-"wrote" my first D2W app about
5 times because I just couldn't figure out what went wrong.
I agree with Guido here, even though I'd wish I didn't have to: D2W
*looks* like a beginner tool, but as the assistant is unmaintained
and broken for years now, it really, really is not. They way it is
now, you simply can't do more than a beefed up "Hello World"
without Wonder (or at least fix the bugs we fixed, which is
*highly* unlikely).
I suggest you report bugs on the assistant to Apple or pressure
them to donate the source. Then we might get somewhere with the
Assistant.
Fair enough.
Well I suppose it's about time I took a serious look at D2*, so what
do you suggest is the best path?
These are the steps I took:
- I read chapters 10, 11, and 15 of "The Red Book" <http://www.amazon.com/Professional-WebObjects-Java-Thomas-Termini/dp/1861004311
> Professional WebObjects 5.0 with Java from Wrox press. It's out of
print, but you can find used copies around.
- I read "The Best Kept Secret of The Best Kept Secret" Stepwise
article by Max Muller <http://www.stepwise.com/Articles/Technical/D2W/D2W1.html
>
- I read the followup article hidden in the Wonder source (Wonder/
Common/Examples/Stepwise/D2WInspectExample/Components/
BestKeptSecret2.wo)
- I read this ADC article <http://developer.apple.com/documentation/WebObjects/Reference/API/com/webobjects/directtoweb/concepts/D2WContextKeys.html
>. It lists the default keys that the D2W rules engine understands.
- I read through the Wonder D2W source and any rules files I could find.
- I dove in, got really confused, search the lists, backed up, started
again, dove in, got really confused... several times.
It is truly amazing tech, but boy can it make your head hurt.
I've got a draft blog post I've been planning on finishing forever on
this...
;david
--
David LeBer
Codeferous Software
'co-def-er-ous' adj. Literally 'code-bearing'
site: http://codeferous.com
blog: http://davidleber.net
profile: http://www.linkedin.com/in/davidleber
--
Toronto Area Cocoa / WebObjects developers group:
http://tacow.org
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