-----Original Message----- From: kslee@plaza1.snu.ac.kr [mailto:kslee@plaza1.snu.ac.kr] Sent: Monday, August 16, 1999 12:35 PM To: Michel Pelletier; zope@zope.org Subject: Re: [Zope] How can I examine an property of an object from the other object in the other tree?

Thank you for your reply with apology for non-plain text mail & varous typos.

After a shower and your reply, I can refine my question.

As you wrote, <!--#var "english.members.test.docTest.TR"--> works OK. (docTest is DTML Document and TR is its property) But only as far as I *hard code* into every DTML Document such a line(yes there is a way to hard code such a line into every DTML Document if I have to but it seems too foolish and complicated).

Is there a way to write *ONE* DTML code and use it in every DTML Document?

This is what acquisition is for. Acquisition allows you to factor out common components of your application into services available to all or some of your objects depending on their placement in Zope reletive to the component in question. For your problem, create a DTML Method in the root level folder named 'isTR' containing: <!--#if TR--> English <!--#else--> Korean <!--#/if--> Now lets say you have a DTML Document called /korean/docs/one whose TR property is set to '0' (meaning there is no english tranlation). Going to /korean/docs/one/isTR will print 'Korean'. What happened is the 'one' Document *acquired* 'isTR' from the root folder. It can acquire from any object 'above' it in the object heirarchy. By this reasoning, it stands that everything in the root folder is acquireable.

I wrote in the root folder an one liner DTML method 'isTRed' which is <!--#var "'english.'+ _.string.join( _.string.split(URL0, '/')[4:], '.')+'.TR'" -->

It gives the string english.members.test.docTest.TR when called in the DTML Document /korean/members/test/docTest as <!--#var isTRed-->.

But <!--#var "isTRed" --> gives the source of isTRed method. And <!--#var "_[isTRed]"--> gives attribute error. <!--#var "_['isTRed']"--> gives the string english.members.test.docTest.TR as might be expected.

You want <!--#var isTRed--> Quoting the var argument makes it be evaluated as an expression. Not quoting it makes Zope use it by name. If you quote a DTML Method or Document, you must *call* it to get it to render the document. In this case however, refering to the document by name will call the document for you: <!--#var isTRed-->

Please don't laugh at my silliness, : (.

Any revelation?

TIA

LEE Kwan Soo.

_______________________________________________ Zope maillist - Zope@zope.org http://www.zope.org/mailman/listinfo/zope

(To receive general Zope announcements, see: http://www.zope.org/mailman/listinfo/zope-announce

For developer-specific issues, zope-dev@zope.org - http://www.zope.org/mailman/listinfo/zope-dev )