I'm encountering some problems in integrating segue and protocols while implementing a selection list.
In my selection list .h I have:
#import
@protocol SelectionListViewControllerDelegate
@required
- (void)rowChosen:(NSInteger)row;
@end
@interface SelectColor : UITableViewController
-(IBAction)saveSelectedColor;
@property (nonatomic, strong) id delegate;
@end
In my selection list .m I have:
@implementation SelectColori
@synthesize delegate;
//this method is called from a button on ui
-(IBAction)saveSelectedColore
{
[self.delegate rowChosen:[lastIndexPath row]];
[self.navigationController popViewControllerAnimated:YES];
}
I would like to access to this selection list view by performing a segue from another table view:
@implementation TableList
...
- (void)selectNewColor
{
SelectColor *selectController = [[SelectColor alloc] init];
selectController.delegate = (id)self;
[self.navigationController pushViewController:selectController animated:YES];
//execute segue programmatically
//[self performSegueWithIdentifier: @"SelectColorSegue" sender: self];
}
- (void)rowChosen:(NSInteger)row
{
UIAlertView * errorAlert = [[UIAlertView alloc] initWithTitle:@"Error Title" message:@"Error Text" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil];
[errorAlert show];
}
If I navigate to the selection list using:
[self.navigationController pushViewController:selectController animated:YES];
the alert is displayed. If I instead use:
[self performSegueWithIdentifier: @"SelectColorSegue" sender: self];
no alert is displayed, because, I think, I don't pass to the destination selection list the selectController. Any ideas to solve this issue please?
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