[Zope3-Users] Still trying am to build an EditForm

[Andreas Reuleaux]

Hi Florian,

I have been playing with your example, try this:

    download http://user.cs.tu-berlin.de/~reuleaux/blogs.tgz

    unpack and cd into blogs

    edit buildout.cfg as you see fit: especially the eggs-directory 
    should be changed, right now: /home/reuleaux/z3eggs

    $ python bootstrap.py

    $ ./bin/buildout

    $ ./bin/instance start|stop|restart|debug

then goto: localhost:8080
you can e. g. add a folder there, say foo (but you don't have to)
the use the My skin:

  http://localhost:8080/++skin++My/foo

there you can add blog entries, edit them, see the list of all entries,
there is some navigation bar on the left.

Basically this is a mixture of
* the addressbook-example of formdemo
* your interface defs
* Baiju's blog for zc.buildout example
* some of my own stuff, that I learnt from z3c.form so far


some points to note:
* somewhere in a template I was having difficulties with
  widget/content -> therefore changed to cntnt
* there are some Makefiles in there that allow you to clean up
  - in the current folder with: make clean
  - recursively with: make rclean
* the example really needs some cleanup
  - lot's of pkgs not needed
  - forms could certainly be used smarter: e g.
    I wanted a DisplayForm with a change button -> I used form.Form
  however it works for me.

hope this helps.

-Andreas


On Sun, Sep 02, 2007 at 09:39:56PM +0200, Florian Lindner wrote:
> Hello,
> I am still trying to build an EditForm using z3c.form. Since my previous 
> thread is rather old I dare to open a new one.
> 
> I've tried a number of variations and will post the one which is the closest 
> to the example.
> 
> This is the interface:
> 
> class IBlogEntry(IContainer):
>     """Interface for blog entry objects."""
>     contains(IBlogComment)
>     
>     title = TextLine(
>         title = _(u"Blog entry title"),
>         description = _(u"Blog entry title."),
>         default = u"",
>         required = True)
> 
>     content = Text(
>         title = _(u"Blog entry content"),
>         description = _(u"Blog entry content."),
>         default = u"",
>         required = True) 
>         
>     inputType = Choice(
>         title = _(u"Type of input"),
>         description = _(u"Specify the input type"),
>         required = True,
>         default = u"reStructeredText",
>         values = [u"reStructeredText", u"HTML"] )
> 
> The view is configured like that:
> 
>     <z3c:pagelet
>         name="EditEntry.html"
>         for="..interfaces.IBlogEntry"
>         class=".views.EditEntry"
>         permission="Blog.EditEntry"
>         layer="Blog.interfaces.IBlogLayer"
>     />
> 
> The code in .views.EditEntry is:
> 
> class EditEntry(layout.FormLayoutSupport, form.EditForm):
>     fields = field.Fields(IBlogEntry).select("title", "content")    
> 
> The layer is registered like that:
> 
>     <interface
>         interface=".interfaces.IBlogLayer"
>         name="BlogSkin"
>         type="zope.publisher.interfaces.browser.IBrowserSkinType"
>     />
> 
> and
> 
> class IBlogLayer(IFormLayer, IPageletBrowserLayer):
>     """Demo browser layer using div-form layout template."""
> 
> 
> Now I call the URL.
> 
> http://localhost:8080/++skin++BlogSkin/Blog/2007_08_16_abc/EditEntry
> 
> 2007_08_16_abc ist an BlogEntry object.
> 
> Now there comes an "ComponentLookupError. A server error occurred. " up.
> 
> Traceback (most recent call last):
>   Module zope.publisher.publish, line 133, in publish
>     result = publication.callObject(request, obj)
>   Module zope.app.publication.zopepublication, line 167, in callObject
>     return mapply(ob, request.getPositionalArguments(), request)
>   Module zope.publisher.publish, line 108, in mapply
>     return debug_call(obj, args)
>    - __traceback_info__: <security proxied z3c.pagelet.zcml.EditEntry instance 
> at 0xa0248cc>
>   Module zope.publisher.publish, line 114, in debug_call
>     return obj(*args)
>   Module z3c.formui.layout, line 27, in __call__
>     ILayoutTemplate)
>   Module zope.component._api, line 103, in getMultiAdapter
>     raise ComponentLookupError(objects, interface, name)
> ComponentLookupError: ((<z3c.pagelet.zcml.EditEntry object at 0xa0248cc>, 
> <zope.publisher.browser.BrowserRequest instance 
> URL=http://localhost:8080/++skin++BlogSkin/Blog/2007_08_16_abc/EditEntry.html>), 
> <InterfaceClass z3c.template.interfaces.ILayoutTemplate>, u'')
> 
> 
> I have also tried some variations of the above like not using z3c:pagelet but 
> an normal page directive, registered it without an layer directive and so on.
> 
> So please... whats wrong there?
> 
> Thanks,
> 
> Florian
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