Hi,
I have an NSTextField that has a "data" binding to an
NSObjectController, configured for an Entity, in a CoreData app
(freshly created in XCode under Tiger).
When I edit the text field and save the file, all changes are stored.
But when I try to get the contents in my program, I only get the
first object read. Changes made after that are simply not visible,
nor are they passed on to observeValueForKeypath.
The code looks like this:
In the NSDocument derived class:
IBOutlet NSObjectController* grammarController;
which is connected to an object controller in the nib file,
configured for the entity GrammarTextObject, which has only one
interesting member, text, of the type NSData. There is also an
NSTextField in the nib which has data bound to the object
controller's selection.text;
Then I try:
GrammarTextObject* grammarObject = [grammarController
selection]; // also tried: content
NSData* grammarText = [grammarObject valueForKey:@"text"];
NSAttributedString* attrText = [[[NSAttributedString alloc]
initWithRTF:grammarText documentAttributes:nil] autorelease];
but all I get is the text read from the file, not the text that is
visible in the text field. Also, attempts to get a notification upon
change don't work:
[[grammarController selection] addObserver:self forKeyPath:@"text"
options:0 context:0]
Does anyone have a clue? Thanks in advance,
Theo Vosse
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