Is it possible to simulate the "beginSheetModal" (alert or opensavepanel behaviour) when presenting a view controller from a storyboard "storyboard.instantiateController" with "presentAsSheet" to have a completion closure ?
All I ended up having to do is set a variable inside the View Controller then the same as any other @escaping closure ...
var completion: ((NSApplication.ModalResponse) -> Void)? = nil
func openView(handler: @escaping (NSApplication.ModalResponse) -> Void) {
if let open_view = self.storyboard!.instantiateController(withIdentifier: "openView") as? openVC {
self.presentAsSheet(open_view)
open_view.completion = handler
}
let handler = self.openViewResponse
self.openView(handler: handler)
func openViewResponse(response: NSApplication.ModalResponse) {
switch response {
case .OK:
...