CPView+RelativeCoordinates.j

@implementation CPView (RelativeCoordinates)

- (CGPoint) coordinatesRelativeToView: (CPView)rootView
{
    var viewFrame = [self frame];
    var x = viewFrame.origin.x;
    var y = viewFrame.origin.y;
    
    var curParentView = [self superview];
    while (curParentView != rootView) {
        var frame = [curParentView frame];
        x += frame.origin.x;
        y += frame.origin.y;
        
        if ([[curParentView class] isKindOfClass: [CPScrollView class]]) {
            var clipRectOrigin = [[curParentView contentView] boundsOrigin];
            x -= clipRectOrigin.x;
            y -= clipRectOrigin.y;
        }
        
        curParentView = [curParentView superview];
    }

    return CGPointMake(x, y);
}

@end