RE: [Zope] Dynamically Accessing Subfolders
On Oct 19, 1999, James W. Howe wrote:
Is there a method that I can call for a folder which will give me it's subfolder names? I'm assuming that if there was such a method, I could use a dtml-in tag to iterate over the results. If there is such a method, what does it return and how could I use that information to send a message to each subfolder in turn?
The method is called "objectValues". You can pass it a list of objects you wish to enumerate within a container (an object manager). Here's a snippet of code that will do what you want: <dtml-with A> <dtml-in "objectValues(['Folder'])"> <dtml-with sequence-item> <dtml-var myName><BR> </dtml-with> </dtml-in> </dtml-in> The "with A" ties the list to start from the root - so you will always get the full list of objects anywhere in the tree. It's been 4 days, and I'm starting to get the hang of things :) - Ian C. Blenke <icblenke@2c2.com> <ian@blenke.com>
At 06:14 PM 10/19/99 -0400, you wrote:
On Oct 19, 1999, James W. Howe wrote:
Is there a method that I can call for a folder which will give me it's subfolder names? I'm assuming that if there was such a method, I could use a dtml-in tag to iterate over the results. If there is such a method, what does it return and how could I use that information to send a message to each subfolder in turn?
The method is called "objectValues". You can pass it a list of objects you wish to enumerate within a container (an object manager).
Here's a snippet of code that will do what you want:
<dtml-with A> <dtml-in "objectValues(['Folder'])"> <dtml-with sequence-item> <dtml-var myName><BR> </dtml-with> </dtml-in> </dtml-in>
This works like a charm. Thanks. Now here's a slight complication. I want to iterate over the folders in a particular order. The order isn't based on the name or id of the folder, rather it would probably be based on a particular property value. For example, I might have three sub folders A, B, C but I might want to iterate over the collection in the order B, A, C. I could fudge things by naming the folders in a particular sort order but I would rather not go that route if there is an alternative. Thanks for the help. James Howe internet: mailto:jwh@allencreek.com Allen Creek Software, Inc. pgpkey: http://ic.net/~jwh/pgpkey.html Ann Arbor, MI 48103
Here's a snippet of code that will do what you want:
<dtml-with A> <dtml-in "objectValues(['Folder'])"> <dtml-with sequence-item> <dtml-var myName><BR> </dtml-with> </dtml-in> </dtml-in>
This works like a charm. Thanks. Now here's a slight complication. I want to iterate over the folders in a particular order. The order isn't based on the name or id of the folder, rather it would probably be based on a particular property value. For example, I might have three sub folders A, B, C but I might want to iterate over the collection in the order B, A, C. I could fudge things by naming the folders in a particular sort order but I would rather not go that route if there is an alternative.
If you're not going to have a lot of folders, you could manually assign them a property called 'priority' or something.. Then sort by it like this: <dtml-in "objectValues(['Folder'])" sort=priority> slightly cumbersome, but as far as i know, the only way to prioritize things without sorting by any of the attributes the folders aready have. ------------------------------------------------ Geir B Hansen geirh@funcom.com Web-designer / Graphic artist Funcom Oslo ------------------------------------------------
At 03:15 20/10/99 , James W. Howe wrote:
At 06:14 PM 10/19/99 -0400, you wrote:
On Oct 19, 1999, James W. Howe wrote:
Is there a method that I can call for a folder which will give me it's subfolder names? I'm assuming that if there was such a method, I could use a dtml-in tag to iterate over the results. If there is such a method, what does it return and how could I use that information to send a message to each subfolder in turn?
The method is called "objectValues". You can pass it a list of objects you wish to enumerate within a container (an object manager).
Here's a snippet of code that will do what you want:
<dtml-with A> <dtml-in "objectValues(['Folder'])"> <dtml-with sequence-item> <dtml-var myName><BR> </dtml-with> </dtml-in> </dtml-in>
Note that within the in tag, you don't have to do dtml-with sequence-item, as this is implicit.
This works like a charm. Thanks. Now here's a slight complication. I want to iterate over the folders in a particular order. The order isn't based on the name or id of the folder, rather it would probably be based on a particular property value. For example, I might have three sub folders A, B, C but I might want to iterate over the collection in the order B, A, C. I could fudge things by naming the folders in a particular sort order but I would rather not go that route if there is an alternative.
Just add a property to every Folder on which you sort: <dtml-with A> <dtml-in "objectValues(['Folder'])" sort=propertyname> <dtml-var myName><BR> </dtml-in> </dtml-in> -- 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 (4)
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Geir B Hansen -
Ian Blenke -
James W. Howe -
Martijn Pieters