bme-ios - TouchCity

TCDetailViewController-handleBuildingTap.m

UIStoryboard* storyboard = [UIStoryboard 
  storyboardWithName:@"Main" bundle:[NSBundle mainBundle]];
TCBuildingInfoViewController* infoVC = [storyboard 
  instantiateViewControllerWithIdentifier:@"BuildingInfoViewController"];
infoVC.building = _selectedBuilding;
    
UIPopoverController* popover = 
  [[UIPopoverController alloc] initWithContentViewController:infoVC];
infoVC.popover = popover;
[popover presentPopoverFromRect:_selectedBuilding.frame inView:self.view 
  permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];

TCDetailViewController-handleLongPress.m

- (IBAction)handleLongPress:(UILongPressGestureRecognizer *)sender
{
    if (sender.state == UIGestureRecognizerStateBegan)
    {
        CGPoint touchPoint = [sender locationInView:self.scrollView];
        
        TCBuilding* building = 
          [[TCBuilding alloc] initWithBuildingType:self.buildingType];
        building.center = touchPoint;
        [self.scrollView addSubview: building];
    }
}

TCDetailViewController-handlePinch.m

- (IBAction)handlePinch:(UIPinchGestureRecognizer *)sender
{
    CGFloat scaleFactor = [(UIPinchGestureRecognizer *)sender scale];
    
    CGAffineTransform scaleTransfrom = 
      CGAffineTransformMakeScale(scaleFactor, scaleFactor);
    CGAffineTransform rotationTransform = 
      CGAffineTransformMakeRotation(_selectedBuilding.rotation);
    _selectedBuilding.transform = 
      CGAffineTransformConcat(scaleTransfrom, rotationTransform);
    
    if (sender.state == UIGestureRecognizerStateEnded)
    {
      _selectedBuilding.bounds = 
        CGRectApplyAffineTransform(_selectedBuilding.bounds, 
                                   scaleTransfrom);
      _selectedBuilding.transform = rotationTransform;
      [_selectedBuilding setNeedsDisplay];
    }
}