/* |
File: NumberPickerController.m |
Abstract: Controller that lets the user pick a number. |
Version: 1.1 |
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*/ |
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#import "NumberPickerController.h" |
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// NumberCell is a trivial subclass of UITableViewCell that allows us |
// to set the number in IB via the "user defined runtime attributes" |
// inspector. |
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@interface NumberCell : UITableViewCell |
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@property (nonatomic, copy, readwrite) NSNumber * number; |
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@end |
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@implementation NumberCell |
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@end |
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@interface NumberPickerController () |
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@end |
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@implementation NumberPickerController |
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- (void)didChooseNumber:(NSNumber *)number |
{ |
id<NumberPickerControllerDelegate> strongDelegate; |
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// number may be nil |
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strongDelegate = self.delegate; |
[strongDelegate numberPicker:self didChooseNumber:number]; |
} |
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- (void)tableView:(UITableView *)tv didSelectRowAtIndexPath:(NSIndexPath *)indexPath |
{ |
#pragma unused(tv) |
#pragma unused(indexPath) |
NumberCell * cell; |
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assert(tv == self.tableView); |
assert(indexPath != NULL); |
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cell = (NumberCell *) [self.tableView cellForRowAtIndexPath:indexPath]; |
assert([cell isKindOfClass:[NumberCell class]]); |
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[self.tableView deselectRowAtIndexPath:indexPath animated:YES]; |
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[self didChooseNumber:cell.number]; |
} |
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- (IBAction)cancelAction:(id)sender |
{ |
#pragma unused(sender) |
[self didChooseNumber:nil]; |
} |
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@end |