On Sep 20, 2008, at 4:53 AM, Alex Mills wrote:
Hey,
Yeah I have been reading through a bit of it. At the moment I have
an NSArrayController setup in IB to access a Core Data Entity. A
table view is then connected to that Array Controller to display the
contents of it. This is all done without any code written by myself
so I'm pretty new to working with these objects programatically. I
need code that will recognize when the selection count of my table
view changes, if that count is 0 it will display tab 1, if the
selection count is 1 or more it will display tab 2. Right now I have
an IBAction that will do this but requires me to press a button for
the count check to be performed, what do you think would be the best
way to implement this idea?
This is the IBAction:
-(IBAction)checkCount: sender;
{
NSArray *selectedObjects = [propertyTableController selectedObjects];
NSUInteger count = [selectedObjects count];
if (count == 0)
{
[newTabView selectTabViewItemWithIdentifier:@"2"];
}
else
{
[newTabView selectTabViewItemWithIdentifier:@"1"];
}
return;
}
Cheers
Alex Mills
You might want to look at the tableViewSelectionDidChange: delegate
method of NSTableView.
http://developer.apple.com/DOCUMENTATION/Cocoa/Reference/ApplicationKit/Classes/NSTableView_Class/Reference/Reference.html#/
/apple_ref/occ/instm/NSObject/tableViewSelectionDidChange:
--Nathan
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