[ZPT] Re: [Zope] ZPT issues

Thu, 7 Nov 2002 10:53:47 +0100

Hi Tino,

I'm glad I'm not the only one which has this kind of problem, I was already
thinking that I some malfunction in my brain.
Thanks for sharing your ideas.

And yes, you're right about the ZPT list. I forgot about the existence of
that one.

Regards,
Tom

> Hi Tom,
>
> this exacly was a problem for my design here to:
> ZPT dont implement real inheritance :((
>
> I had success with the following workaround:
>
> 1) Master Template - this holds the global layout and things
>    which are common to all pages. Its broken up in small macros
>    for every constant part.
> 2) several Temlates for bigger parts of the site, e.g. standard table,
>    standard question-box etc. Each in a separate template as it seems
>    convenient, die rest is filled in from master template so it looks
>    like a complete page - this is just for quick overview
> 3) Function centric templates - these are for a small group of pages
>    or even a single page, like a "type of page". They form a big
> macro,    which covers the whole HTML (actually I use <metal:block> tag
around
>    <html> and strip this in edit-view/ftp/webdav so co-worker cannot
>    circumvent the macro)
>    Every constant part is assembled there from macros of the master
>    template (1) (for example navigation) and macros of the desired
>    standard element template(s) (2).
>    Every piece of text which should be localized is surrounded by
>    define-slots. All other parts remain constant (this also saves
>    the app-logic from beeing accidently overwritten)
> 4) The pages which use their function specific template (3) and only
>    allow the slots to be filled, which are mostly text. Usually there
>    is one for any language version (I use language negotiation to
> provide    the relevant content-language to a user, app-functions get
> their language    selection from surrounded page)
>
>> From what I can tell this works pretty well and avoids to repeat
>> things
> too often. (Only the global table structure is repeated because of the
> unability to do inheritance)
>
> HTH
> Tino Wildenhain
>
> PS: this thread should be moved to ZPT list I think. (Sorry for the
> cross posting)
>
>
>
>
> --On Mittwoch, 6. November 2002 13:34 +0100 Tom Deprez
> <tom.deprez@uz.kuleuven.ac.be> wrote:
>
>> Hi,
>>
>> I'm not sure how to implement something with ZPT and need your
>> advice:
>>
>> I'll do my best to explain the problem, but I'm not sure if I will
>> succeed, since it is not easy to show.
>>
>> I've a site which has several folders, they all follow the same
>> strategy. Basicly what you have is a page with the top half some
>> general information. The bottom half is split in two 'panes': the
>> left contains a list of items, the right contains more information
>> of the selected item. People can delete/edit/look a selected item.
>> Depending on what people want to do, the right bottom 'pane' has to
>> be different. Every action is in a different folder, so the layout
>> looks like:
>>
>> Root
>>   ...
>>   Lists
>>      Flowers
>>          Delete
>>          Edit
>>          Insert
>>      Boats
>>         Delete
>>         Edit
>>         Insert
>>   ...
>>
>> Now, I'm implementing this in PT, but I'm a little stuck here, since
>> it seems ZPT can't stack. eg I've a master PT which defines the
>> general layout (menus) and contains slots, situated in the root.
>> The slots are toppane (to fill in the toppane) and bottompane (to
>> fill in the bottompane). To be correct, I should create a new master
>> page for the 'Flowers' & 'Boats' folders, because they have a
>> different layout, namely 'top pane', 'bottom left pane', 'bottom
>> right pane'. But when I do this, aren't I then overruling the way
>> for what PT were designed? If I now want to change the layout of my
>> site, I have to change 2 pages (and who know how much more if we go
>> further into detail). Changing 2 isn't that bad, however, most of
>> the parts are in fact the same! The menu handling etc is the same...
>>
>> I was wondering if it is possible to have PT which can inherit from
>> another PT, but can extend it with new slots/macros. Which is at the
>> moment not possible, I think.
>>
>> Thanks in advance,
>> Tom.
>>
>>
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