From celtek at wp.pl  Sat Aug 13 19:07:26 2005
From: celtek at wp.pl (Justyna Tomczyk)
Date: Sat Aug 13 19:17:15 2005
Subject: [ZPT] validation in a table
Message-ID: <42fe7d2e43298@wp.pl>

Hi,
I have a table with results from database(MySQL). I can edit every field in this table (change data and save it in database). Problem is that I don't know how to validate every field in this table before I want to save this changed data in database.
I've tried figured out how to validate this data but without results. Now I am really in a whirl. What and where I should insert ?
Any clue? Any help? 
 
Here is a bit of code from ZPT :
 
<!--<table class="listing" tal:define=students python:container.get_data(Term=request.form['Term']);   
                                                    sort_on python:(('matricula','cmp','asc'),('name','nocase','desc'));
                                                    sorted_objects python:sequence.sort(students, sort_on)">
<thead>
 <tr>
        <th>Id</th>
        <th>Term</th>
        <th>Matricula Number</th>
        <th>Name</th>
        <th>Action</th>  
</tr>
</thead>
<tbody>  
<tr tal:repeat="s sorted_objects" tal:attributes="class python:test( repeat['s'].even() ,'even','odd')"> 
 
<form action="edit" method="post"> 
 
<td tal:content="string:${repeat/s/number}."></td>
<td>
<input type="text" name="Id" tal:attributes="value s/Id" />
</td>
<td>
<input type="text" name="term" tal:attributes="value s/term" />
</td>
<td>
<input type="text" name="matricula" value="" tal:attributes="value s/matricula" />
</td>
<td>
<input type="text"   name="name"  value="" tal:attributes="value s/name"/>
</td>
<td><input class="context" type="submit" name="button.edit" value="Change"/>
</td>
</form>
</tr>
</tbody>-->

 
from Script(Python):
 
#from Products.Formulator.Form import FormValidationError
#request = context.REQUEST
#RESPONSE = request.RESPONSE
 
#matricula=request.form.get('matricula')
#name=request.form.get('name')
#term=request.form.get('term'))
#Id=request.form.get('Id')

#container.sql_corect(matricula=matricula,name=name,term=term,Id=Id)
#return RESPONSE.redirect('show_table?message=data was changed ! ')

 
from ZSQLMethod:
 
update students set
matricula = <dtml-var matricula>, 
name = '<dtml-var name>', 
term = <dtml-var term>
where Id = <dtml-var Id>



----------------------------------------------------
I Ty mo?esz nabra? fantastycznych mocy! 
Mister Fantastic, Niewidzialna kobieta, Ludzka pochodnia i Stw?r 
- Fantastyczna czw?rka, w kinach od 19 sierpnia.
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From mkur at poczta.gazeta.pl  Sat Aug 13 21:16:37 2005
From: mkur at poczta.gazeta.pl (Michal Kurowski)
Date: Sat Aug 13 21:26:30 2005
Subject: [ZPT] Re: validation in a table
In-Reply-To: <42fe7d2e43298@wp.pl>
References: <42fe7d2e43298@wp.pl>
Message-ID: <20050814011637.GA26612@calvados>

Justyna Tomczyk [celtek@wp.pl] wrote:
> 
> I have a table with results from database(MySQL). I can edit every
> field in this table (change data and save it in database). Problem
> is that I don't know how to validate every field in this table
> before I want to save this changed data in database.  I've tried
> figured out how to validate this data but without results. Now I am
> really in a whirl. What and where I should insert ?  Any clue? Any
> help?

Generally, your code is layed out in too fine grained way.

Normally you would use ZPublisher "record" - type input fields and
then do all the work in a PythonScript to perform validation on a
form variables(s) (and eventually call ZSQL). Check out the Zope Book.

There are many alternatives. A product dubbed "Formulator" is
certainly worth trying.

Cheers,

-- 
Michal Kurowski
<mkur@poczta.gazeta.pl>


From fdrake at gmail.com  Thu Aug 18 18:01:15 2005
From: fdrake at gmail.com (Fred Drake)
Date: Thu Aug 18 18:11:22 2005
Subject: [ZPT] New METAL feature for Zope 3.1
Message-ID: <9cee7ab80508181501755d2ee1@mail.gmail.com>

Zope 3.1 will include a new feature in METAL, the Macro Expansion Tag
Attribute Language used in page templates.

The implementation is largely complete, but some issues with it were
uncovered in the past week that have caused some re-evaluation of the
details.  At this point, we discovered that sufficient documentation
did not exist, so I'm working on a new revision of the METAL
specification.  This is currently in draft form on the ZPT wiki, along
with a description of the macro extension feature.  I plan to update
the tests and finish the documentation sometime tomorrow.

The feature is described here:

  http://www.zope.org/Wikis/DevSite/Projects/ZPT/MacroExtension

The draft specification is here:

  http://www.zope.org/Wikis/DevSite/Projects/ZPT/MetalSpecification11

Comments are welcome, though I can only apologize for bringing this up
to the list so late.  (I'm afraid the non-availability of my own time
prevented me from knowing about the issue until recently.)


  -Fred

-- 
Fred L. Drake, Jr.    <fdrake at gmail.com>
Zope Corporation
From fdrake at gmail.com  Mon Aug 22 11:48:40 2005
From: fdrake at gmail.com (Fred Drake)
Date: Mon Aug 22 11:59:01 2005
Subject: [ZPT] METAL 1.1 implemented, specification updated
Message-ID: <9cee7ab805082208481e4cd1a5@mail.gmail.com>

The METAL 1.1 specification has been updated (though it's still marked
as a draft, pending review), and the implementation has been completed
on the Zope 3 trunk and backported to the Zope 3.1 branch.

This would be a good time to review the specification and ask any
questions that come up.  I hope there's nothing outstanding that can't
be handled by improving the documentation!


  -Fred

-- 
Fred L. Drake, Jr.    <fdrake at gmail.com>
Zope Corporation
From celtek at wp.pl  Tue Aug 23 09:59:03 2005
From: celtek at wp.pl (celtek@wp.pl .)
Date: Tue Aug 23 10:09:27 2005
Subject: [ZPT] pass parameter in href
Message-ID: <430b2ba71b283@wp.pl>

Hi,
In 2.zpt I have:
<!--tal:define="value python:context.REQUEST.get('firstValue')"-->  this 'firstValue' come from 1.zpt
I want to pass this integer ' value '  into script using link in 2.zpt:
<!--   <a href="script?value=??">Indeks</a>    --> 
but I can't figured out what I should insert in place of  this question marks 
When I insert :
<!--  <a href="script?value=value">Indeks</a>    -->
I receive only word ' value ' not integer value depending on what was 'firstValue'.
 
I know that when I want to pass parameter from script to zpt I can use something like this:
#return RESPONSE.redirect('test_results?%s' % query)
but in this case??
 
Thanks and greetings!

----------------------------------------------------
We? udzia? w naszym letnim konkursie AlleJazda!
G??wna nagroda to Nisan Micra!
http://klik.wp.pl/?adr=http%3A%2F%2Fadv.reklama.wp.pl%2Fas%2Faj.html&sid=472


From fdrake at gmail.com  Tue Aug 23 10:08:39 2005
From: fdrake at gmail.com (Fred Drake)
Date: Tue Aug 23 10:19:03 2005
Subject: [ZPT] pass parameter in href
In-Reply-To: <430b2ba71b283@wp.pl>
References: <430b2ba71b283@wp.pl>
Message-ID: <9cee7ab805082307082106f0ec@mail.gmail.com>

On 8/23/05, celtek@wp.pl . <celtek@wp.pl> wrote:
> In 2.zpt I have:
> <!--tal:define="value python:context.REQUEST.get('firstValue')"-->  this 'firstValue' come from 1.zpt
> I want to pass this integer ' value '  into script using link in 2.zpt:
> <!--   <a href="script?value=??">Indeks</a>    -->
> but I can't figured out what I should insert in place of  this question marks
> When I insert :
> <!--  <a href="script?value=value">Indeks</a>    -->
> I receive only word ' value ' not integer value depending on what was 'firstValue'.

I'm just guess that you don't really want it all in a comment.  :-)

Try this:

    <div tal:define="value request/firstValue">
      <!-- Whatever else uses value can go in here too. -->
      <a tal:attributes="href string:script?value=${value}">Indeks</a>
    </div>


  -Fred

-- 
Fred L. Drake, Jr.    <fdrake at gmail.com>
Zope Corporation
From celtek at wp.pl  Thu Aug 25 16:45:55 2005
From: celtek at wp.pl (celtek@wp.pl .)
Date: Thu Aug 25 16:56:26 2005
Subject: [ZPT] formating validation results
Message-ID: <430e2e0394530@wp.pl>

Hi, 
I have a script responsible for validation and when an error occurs it will be return :   
#return RESPONSE.redirect('show_zpt?formErrors=%s&value2=%s' %(error, value2))

then in 'show_zpt' it will be use :
<!--
<div tal:condition="request/formErrors|nothing" class="portalMessage" tal:content="request/formErrors"></div>
-->
and message:
{'surname': 'Input is required but no input given.'}

but I don't want to have this message format, it would be better to have something like this:

surname: Input is required but no input given. - without this additional marks!

What I should change to have this message format? 

Thanks and regards!


----------------------------------------------------
26 sierpnia w Stoczni Gda?skiej koncert J.M.Jarre'a - "To b?dzie m?j
najlepszy koncert - koncert wolno?ci" - zapowiedzia? artysta.
http://klik.wp.pl/?adr=www.muzyka.wp.pl%2Fjarre&sid=468


From crobbenhaar at web.de  Thu Aug 25 19:19:13 2005
From: crobbenhaar at web.de (Clemens Klein-Robbenhaar)
Date: Thu Aug 25 19:18:46 2005
Subject: [ZPT] formating validation results
In-Reply-To: <430e2e0394530@wp.pl>
References: <430e2e0394530@wp.pl>
Message-ID: <430E51F1.60903@web.de>


Hi celtek:

> Hi, 
> I have a script responsible for validation and when an error occurs it will be return :   
> #return RESPONSE.redirect('show_zpt?formErrors=%s&value2=%s' %(error, value2))
> 

First better try not to do a redirect, but return the page directly;
if You use a redirect You can only pass the error dictionary as a string.

Saying:

  context.REQUEST.set('formErrors', error)
  context.REQUEST.set('value2', value2)
  return context.show_zpt()

should call the page directly and allow to pass the dictionary as is.
Alternatively You can say

   return context.show_zpt(formErrors=errors, value2=value2)

and then get the parameters via options/formErrors instead of request/formErrors.
(unless I am mistaken here.)

> then in 'show_zpt' it will be use :
> <!--
> <div tal:condition="request/formErrors|nothing" class="portalMessage" tal:content="request/formErrors"></div>
> -->
> and message:
> {'surname': 'Input is required but no input given.'}
> 
> but I don't want to have this message format, it would be better to have something like this:
> 
> surname: Input is required but no input given. - without this additional marks!
> 

Yow: when passing in the errors dictionary directly, You should be able to say something like:

    <div tal:condition="options/formErrors|nothing">
        <h3>Form validation errors</h3>
        <dl tal:define="errors options/formErrors">
          <tal:block repeat="err errors/keys">
            <dt tal:content="err" />
            <dd tal:content="python:errors[err]" />
          </tal:block>
        </dl>
     </div>

The details depend on Your data structure, of course.

  Most probably You want to loop over the fields of Your form and check
if there is an error for the given field, so the errors appear in the same order
and the fields (the order is pretty undefined for the dictionary ...)

Cheers,
Clemens

P.S. If not found already, a ZPT + Formulator intro
      is here: http://www.zope.org/Members/beno/HowTo/Formulator_With_ZPT