Hello,

--- Serg sutni@yandex.ru wrote:

What is mxmObjectManager? Where can I download and read about this?

Go here to read about and download this zope product by maxm:

http://zope.org/Members/maxm/index_html/HowTo/easyProduct

It provdes both a simple object and a simple object manager class that you can use as base classes for your own products. So far I find it very handy (I am pretty new at building my own products).

It only supports DTML as it is, so if you are using page templates you will need to add this import to your products based on mxmSimpleItem or mxmObjectManager:

from Products.PageTemplates.PageTemplateFile import PageTemplateFile

and when defining your web methods you use (example for index_html):

index_html = PageTemplateFile('www/index_html', globals())

instead of:

index_html = HTMLFile('www/index_html', globals())

as you would with DTML.

cheers, John S.

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Hello again, I'm back with this little tangle...

--- Chris Withers lists@simplistix.co.uk wrote:

...

from the mxm README example, for manage_addAction I am using

def manage_addAction(self, id=None, REQUEST=None) "Add instance to parent ObjectManager"

Will this method ever be the target of a form?

Yes, that's exactly what I'm trying to do with it. That is, use the method to add the object via web form.

The standard idiot\widiom used when calling this kind of stuff in a script is: context.manage_addProduct['myProduct'].manage_addAction(request.id)

...the abscence of a REQUEST is generally taken to mean "don't redirect anywhere". ...you'll probably find mxmObjectManager.addClass() has the other half of the standard idiot init:

if REQUEST is not None: REQUEST.RESPONSE.redirect('somewhere'

...so try not passign the request through...

OK, that makes sense - addClass does this:

if REQUEST is not None: getattr(self, id).manage_changeProperties(REQUEST) return self.manage_main(self, REQUEST)

...so *that's* why I always get the ZMI main frame back, since REQUEST is not None - self.manage_main(self,REQUEST) is inevitably returned.

And - I need to set a bunch of properties when I add the object, and the values for the properties come from the web form - so don't I need to pass REQUEST to make those available? If not, how do I access them? If so, how do I avoid the above return always happening and return the web add form instead?

What I'm trying to do, big picture, is: user goes to web 'add object' form, fills it out, clicks Add, object is added (with properties set as entered in web form), and user is returned to web add form to add another.

I already have this scenario working for editing an existing object. I can simply call an edit method in my product, since the object already exists.

When adding, the object doesn't exist yet, so I can't directly call an add method in my product...so what's the clean and simple way to add an object *and* set properties of it via web form and return to the web form?

thanks, John S.

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Hello,

--- Ausum Studio ausum_studio@hotmail.com wrote:

Use an External Method. If the problem is that the existing one does have the limitation of always redirecting to other places that you

would like, then start by recreating a working version of that method as a External Method, importing just the modules and stuff that you need.

Then you just remove the unwanted line(s).

It's my own product, so can't I just change what is being done within my product, without having to use an external method?

I need to see an example of how to programmatically add an object to a folder and set its properties via a web form instead of the ZMI, and return the form again instead of the ZMI, in a product I create myself. Can't find anything in Zope Bible, or online searches so far, that shows that.

thanks, John S.

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Hello,

Thank you!! :-)

This...

REQUEST.RESPONSE.redirect(context.absolute_url() +

'/product_creater')

Is the missing link bit of syntax/detail I've needed. It works just the way I need now. I guess it's the same conceptuall as Bill H.'s reply (thanks Bill!) but the instance.aq_parent part of that example didn't work for me and I didn't know why or what to change it to.

Mahalo, John S

--- Ausum Studio ausum_studio@hotmail.com wrote:

#Script name: "product_creater", meaning the form itself.

def manage_addAction(self, REQUEST): "Add instance to parent ObjectManager"

context.manage_addProduct['myProduct'].manage_addAction(REQUEST.id) objectjustcreated = getattr(context, REQUEST.id)

#property changes: Use as many sentences as you need
objectjustcreated.manage_changeProperties(title=REQUEST.title)

REQUEST.RESPONSE.redirect(context.absolute_url() +

'/product_creater')

Note that REQUEST can't be None and that you don't need the 'id' parameter, as it will arrive with the REQUEST, unless you want your script to function programatically (no forms involved). In fact, the REQUEST=None thing is meant to be used for those cases.

Ausum

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