Re: [Zope-dev] Page Templates and nested templates

2 Apr 2001

      ...
There's a Tracker linked from the main ZPT Wiki page.  You should be able to
add it there.  On the other hand, I'd like to know how exactly you've tried
to nest macros, and how it failed for you.
Cheers,
Evan @ digicool & 4-am
Here is an examples:

ID: here/master

<html xmlns:tal="http://xml.zope.org/namespaces/tal"
      xmlns:metal="http://xml.zope.org/namespaces/metal"
      metal:define-macro="master">
   <head metal:define-macro="head">
     <title tal:content="here/title">sss title</title>
     <meta something="">
   </head>
   <body bgcolor="#9999ff" metal:define-macro="body">
     <div metal:define-macro="bodymacro">
       <h1>This is a macro 21</h1>
     </div>
     <div metal:define-slot="bodySlot">
       <h1>This is a H1 Header</h1>
     </div>
   </body>
</html>

Now notice this if I state use-macro for the METAL statement
in the HTML-tag, all subsequent metal:define-macro statements
gets replaced with the use-macro="here/master/macros/master>"

ID: here/Page1 (version1)

<html xmlns:tal="http://xml.zope.org/namespaces/tal" xmlns:metal="http://xml.zope.org/namespaces/metal">
   <head metal:use-macro="here/master/macros/head">
     <title tal:content="here/title">sss title</title>
     <meta something="">
   </head>
   <body bgcolor="#9999ff"
         metal:use-macro="here/master/macros/body">
     <div metal:use-macro="here/master/macros/body">
       <h1>This is a macro 21</h1>
     </div>
     <div metal:define-slot="bodySlot">
       <h1>This is a H1 Header</h1>
     </div>
   </body>
</html>

But if I instead apply the use-macro on the body and the head
this are working perfectly, subsequent define-macros in the inner
div gets turned in to use-macro="here/master/macros/body" though.

ID: here/Page1  (version2)

<html xmlns:tal="http://xml.zope.org/namespaces/tal" xmlns:metal="http://xml.zope.org/namespaces/metal">
   <head metal:use-macro="here/master/macros/head">
     <title tal:content="here/title">sss title</title>
     <meta something="">
   </head>
   <body bgcolor="#9999ff"
         metal:use-macro="here/master/macros/body">
     <div metal:use-macro="here/master/macros/body">
       <h1>This is a macro 21</h1>
     </div>
     <div metal:define-slot="bodySlot">
       <h1>This is a H1 Header</h1>
     </div>
   </body>
</html>

How I would want it to work is that if a higher level
of macro is set to use-macro the subsequent level 
would remain unchanged (e.g. as define-macro) until
I explicitly change it in to use-macro. 
I would then be able to set it to any macro definition,
e.g. use-macro="here/master/macros/bodymacro" or
use-macro="<some other path>/macros/<some other macro>" etc.

I think what would make allot of sense and that's probably how it 
supposed to work, right?

Best regards,
Johan Carlsson

Johan Carlsson

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