Re: [Zope] The Honest Scoop on Zope
Martijn Pieters <mj@antraciet.nl> writes:
But nobody reads his mail properly =)
I've always known that it takes someone from .nl to properly understand English :-)
He just said he had problems with these variables dissapearing.
My answer:
If your variables don't exist anymore in sub mthods, you didn't pass in the REQUEST object. Make sure that you call the method with REQUEST=REQUEST in their call..
OK, closer! Here's the problem. I have a method that returns an array of objects. This works great with dtml-in. I want to make a simple tree of these objects, so that when the person clicks on the + sign, the given object is displayed. So, I set leaves to be the object's display method and branches_expr to call the function. But -- this gives the object, but clicking + gives another listing of the same objects, and this keeps on going, presumably infinately. I tried passing tree-level to the function, but _ mysteriously is inaccessible inside dtml-tree. What exactly should I be doing? FWIW, I created a product and an Event class that holds information on events. I then made a folder called eventDb that is populated with these types of objects. In that folder's parent, there is a getEventsByDate method, that takes start and end dates, and returns a list of objects that fall in that range. I then want to have a nice tree display of these objects. Thanks, John -- John Goerzen Linux, Unix consulting & programming jgoerzen@complete.org | Developer, Debian GNU/Linux (Free powerful OS upgrade) www.debian.org | ----------------------------------------------------------------------------+ The 37,919,585th prime number is 733,989,829.
At 15:20 09/09/99 , John Goerzen wrote:
Martijn Pieters <mj@antraciet.nl> writes:
But nobody reads his mail properly =)
I've always known that it takes someone from .nl to properly understand English :-)
I cheat. My wife is from Scotland.
He just said he had problems with these variables dissapearing.
My answer:
If your variables don't exist anymore in sub mthods, you didn't pass in the REQUEST object. Make sure that you call the method with REQUEST=REQUEST in their call..
OK, closer! Here's the problem. I have a method that returns an array of objects. This works great with dtml-in. I want to make a simple tree of these objects, so that when the person clicks on the + sign, the given object is displayed. So, I set leaves to be the object's display method and branches_expr to call the function. But -- this gives the object, but clicking + gives another listing of the same objects, and this keeps on going, presumably infinately.
I tried passing tree-level to the function, but _ mysteriously is inaccessible inside dtml-tree.
What exactly should I be doing?
FWIW, I created a product and an Event class that holds information on events. I then made a folder called eventDb that is populated with these types of objects. In that folder's parent, there is a getEventsByDate method, that takes start and end dates, and returns a list of objects that fall in that range. I then want to have a nice tree display of these objects.
Thanks,
John
Hmm.. the problem lies in the fact that the tree object tries to call your method on the Event objects as well (I know, you figured this one out). The best way to prevent this, is by defining the same method on your Event objects as well, having it return an empty list. This is exactly what SimpleItem.Item does (which DTML Methods and Documents inherit). -- Martijn Pieters, Web Developer | Antraciet http://www.antraciet.nl | Tel: +31-35-7502100 Fax: +31-35-7502111 | mailto:mj@antraciet.nl http://www.antraciet.nl/~mj | PGP: http://wwwkeys.nl.pgp.net:11371/pks/lookup?op=get&search=0xA8A32149 ------------------------------------------
participants (2)
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John Goerzen -
Martijn Pieters