[NEWBIE QUESTION] What message is sent when window contents finish loading?
[NEWBIE QUESTION] What message is sent when window contents finish loading?
- Subject: [NEWBIE QUESTION] What message is sent when window contents finish loading?
- From: mw <email@hidden>
- Date: Sat, 28 Sep 2002 10:15:09 -0400
Hello,
I am currently in the process of learning cocoa from a book (Cocoa
Programming with Mac OS X), and I have branched off from it for a while to
create a little "tester" program that basically will test out my skills in
cocoa that I have learned thus far. It is pretty much a pointless program
that keeps track of money that you owe people (bills, essentially). It uses
an NSTableView, and in order to practice with NSDrawers, I turned off direct
editing in the table to use a drawer as a properties "window". It also
saves/loads from a file.
Now on to my question. I wanted my own sheet (one loaded from a nib file) in
the program, so I figured I'd make one that would come down and let the user
know if any bills were overdue, and then when they dismissed the sheet, the
overdue bills would be highlighted in the table. I made a new class
(subclass of NSWindowController) to control the sheet window, I made all of
the connections in IB, etc., etc.
Here's where the problem comes in. The function that checks for overdue
bills needs to be called as soon as a file opens and everything is loaded
in. If there are any overdue bills, then the sheet drops (I have an instance
of the sheet's window controller in the MyDocument class). But, it seems
that the function is getting called BEFORE the window is even loaded, even
though I have the message being sent in my - (void)awakeFromNib function.
The sheet won't drop, and the table won't highlight (remember, this is all
in the NSDocument subclass that is linked to the main window). I have also
tried putting the method call in windowControllerDidLoadNib, but that didn't
work either (in fact, putting it in windowControllerDidLoadNib caused a
SIGBUS 10 error and the program to shut down).
How am I supposed to do this? Is there another function that I need to
overload that I don't know about yet? I am planning on making serious
applications with Cocoa, but I am using these tester applications to iron
out what I know, and I know for sure that I will need to be able to do what
I am describing (of course, it probably won't involve notifying if a bill is
overdue, but you know what I mean), so any help is appreciated.
TIA!
mw
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