May 2003
Intermediate to advanced
566 pages
27h 29m
English
Content preview from Cocoa in a Nutshell
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Name
NSTableDataSource — Mac OS X 10.0
Synopsis
Methods in this informal protocol are implemented by classes that
provide the data displayed in an NSTableView. At a
minimum, data source classes must implement the methods
numberOfRowsInTableView: and
tableView:objectValueForTableColumn:row:. Both of
these methods are called frequently, so they should be efficient.
@interface NSObject (NSTableDataSource)
|
// Instance Methods
|
- (int)numberOfRowsInTableView:(NSTableView *)tableView; |
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(int)row; |
- (void)tableView:(NSTableView *)tableView setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn row:(int)row; |
- (BOOL)tableView:(NSTableView *)tv writeRows:(NSArray*)rows toPasteboard:(NSPasteboard*)pboard; |
- (NSDragOperation)tableView:(NSTableView*)tv validateDrop:(id <NSDraggingInfo>)info proposedRow:(int)row proposedDropOperation:(NSTableViewDropOperation)op; |
- (BOOL)tableView:(NSTableView*)tv acceptDrop:(id <NSDraggingInfo>)info row:(int)row dropOperation:(NSTableViewDropOperation)op; |
@end |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.