Re: non-linear worepetition
Re: non-linear worepetition
- Subject: Re: non-linear worepetition
- From: Michael Engelhart <email@hidden>
- Date: Fri, 13 Aug 2004 13:44:19 -0500
thanks. Yeah that's what I was thinking too. Ignore what's going on
and just enjoy but because I wasn't able to get it working I strayed
from the mantra. :-)
I'll follow my code through to make sure that it's not doing anything
to cause side effects and if it is I may need to rethink this one from
scratch.
Thanks for your help.
MIke
On Aug 13, 2004, at 1:40 PM, Arturo Perez wrote:
Michael Engelhart wrote:
The more I think about this the more confused I get. Even if I
create the column listing across the row as a WORepetition walking
through an array of keys, won't my currentFoo get clobbered every
time through the outer loop?
It doesn't. Why not? Well, paraphrasing one of Mr. Crawford's
mantras during training
Ignore the man behind the curtain.
This is (to me) WO's most important value-add. It tracks, without any
code on your part, these things automatically. It's black magic (in
the software development sense) of the highest order. But it requires
component actions, not direct actions.
Does WO keep track of outer/inner loops like that?
Yes, with some caveats. The caveats have to do with whether or not
your methods for setting the iterator variable (currentFoo) have side
effects. Hence the oft-heard admonition "Don't have side effects in
your getters/setters."
So, the double repetition thing should "just work" for you.
Mike
On Aug 13, 2004, at 11:19 AM, Michael Engelhart wrote:
Hi Arturo
Well the inner loop isn't actually a WORepetition. I didn't
explain that well in my original post.
I manually pull out each columns value for each row repetition by a
key. The columns for each row are a HashMap and the keys are
predetermined (say key1, key2, key3) but in that example, key2 may
not have a value so I have to call it and then if it returns null I
have to put an empty table cell.
So the output could and often is like this:
key1 key2 key3
key 4
---------------------------------------------------
name_key1 | obj1 obj2 obj3 obj4
name_key2 | obj1 obj3 obj4
name_key3 | obj1 obj3
Does that make sense?
Thanks for your help
Mike
On Aug 13, 2004, at 9:56 AM, Arturo Perez wrote:
Michael Engelhart wrote:
So my question is how to best generate a WOHyperlink in each cell
that points to the object that is referenced by that cells key.
Hi Mike,
Isn't it just the standard repetition thing? You'd need two
repetitions, one to iterate across rows and the other to iterate
down columns. The second one has an item variable called
currentFoo. You can bind that to a hyperlink action method.
public WOComponent fooAction {
// Object currentFoo set by repetition.
currentFoo.manipulate()
WOComponent woc = pageWithName("updateFoo");
woc.takeValueForKey(currentFoo, "theFoo");
return woc;
}
I think that's what you're asking.
-arturo
_______________________________________________
webobjects-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/webobjects-dev
Do not post admin requests to the list. They will be ignored.
_______________________________________________
webobjects-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/webobjects-dev
Do not post admin requests to the list. They will be ignored.
_______________________________________________
webobjects-dev mailing list | email@hidden
Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/webobjects-dev
Do not post admin requests to the list. They will be ignored.