iOS Day 12 - 2

displayManagedObject.m

-(void)displayManagedObject:(NSManagedObject *)obj {
    self.txtName.text = [obj valueForKey:@"name"];
    self.txtInfo.text = [obj valueForKey:@"info"];
    self.txtNumber.text = [(NSNumber *)[obj valueForKey:@"number"] stringValue];
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateStyle:NSDateFormatterMediumStyle];
    self.lblCreateDate.text = [dateFormatter stringFromDate:[obj valueForKey:@"createDate"]];
    self.lblUpdateDate.text = [dateFormatter stringFromDate:[obj valueForKey:@"updateDate"]];
}

tappedNextPrevious.m

- (IBAction)tappedNext:(id)sender {
    BOOL isNext = false;
    for (NSManagedObject *obj in fetchedObjects) {
        if (isNext) {
            selectedObject = obj;
            [self displayManagedObject:obj];
            return;
        } else {
            if (obj == selectedObject)
                isNext = YES;
        }
    }
}
- (IBAction)tappedPrevious:(id)sender {
    BOOL isPrevious = false;
    for (int i = fetchedObjects.count-1; i >=0; i--) {
        if (isPrevious) {
            selectedObject = [fetchedObjects objectAtIndex:i];
            [self displayManagedObject:selectedObject];
            return;
        } else {
            if ([fetchedObjects objectAtIndex:i] == selectedObject)
                isPrevious = YES;
        }
    }
}