I think you might be mis-reading the documentation -- sheets are not deprecated. What is deprecated is showing them using NSApplication's beginSheet:modalForWindow:modalDelegate:didEndSelector:contextInfo: -- the recommended way is to use NSWindow's beginSheet:completionHandler: method.

The problem for scripters, though, is that the latter uses blocks, which can't be used in AppleScript.

There are two possible solutions. One is to keep using the old method. It's a soft deprecation more about promoting the new approach, IMO, and I'd be very surprised if it went away anytime soon, or at least without considerable warning.

The other solution is to use my Myriad Helpers here:

https://www.macosxautomation.com/apples … lpers.html

It has an Objective-C category called NSWindow+MyriadHelpers that wraps the new method in code that makes it suitable (and simple) to use from AppleScript:

Applescript:

theSheet's showOver:mainWindow

There's also a similar NSAlert+MyriadHelpers category for alerts.

It's just a matter of dragging the relevant .h and .m files into the Xcode project.

Really, it's not. If you want to show a window as a sheet, you can still use the block-based API, just passing missing value for the block:

Applescript:

mainWindow's beginSheet:customWindow completionHandler:(missing value)

You don't actually need the block; you can put any continuation code in the buttons' action handlers.

For alerts it's similar:

Applescript:

   on showAlertSheet:sender
       set theAlert to current application's NSAlert's alloc()'s init()
       tell theAlert
           its setMessageText:"An alert"
           its setInformativeText:"Blah blah blah"
           set okButton to its addButtonWithTitle:"OK"
           okButton's setAction:"doOK:"
           okButton's setTarget:me
           set cancelButton to its addButtonWithTitle:"Cancel"
           cancelButton's setAction:"doCancel:"
           cancelButton's setTarget:me
           its beginSheetModalForWindow:theWindow completionHandler:(missing value)
       end tell
   end showAlertSheet:
   
   on doOK:sender
       theWindow's endSheet:(sender's |window|())
       -- do whatever
   end doOK:
   
   on doCancel:sender
       theWindow's endSheet:(sender's |window|())
       -- do whatever
   end doCancel:

That said, Myriad Helpers makes the whole process so much simpler, I'm not sure why anyone would bother with the hard way.

For sure -- the approach has to be quite different. And it's made more complicated by the fact that these days there's no simple way to force an update to the UI for the duration of a method that handles an event.

Hi,
I would like to know how to close a sheet Window after finishing a process, for example I am uploading a photo and a sheet Window is displayed saying "Wait for the photo to load" so when you finish loading the photo this sheet Window can close without the need to hit the "OK" button or any other.

I use this:

Applescript:

set alert to current application's NSAlert's alloc's init()
tell alert
its setMessageText:""
its setInformativeText: ""
its setAlertStyle:2
its setShowsSuppressionButton:false
its beginSheetModalForWindow:theWindow modalDelegate:me didEndSelector:(missing value) contextInfo:(missing value)
end tell

Thanks @Shane Stanley, working like a charm!
one more question:
Is there any way to insert a progress bar or an indeterminate progress indicator, if so how would it be done?

I never used alert's accessoryView but I will try, thanks!:)

If the view you want to appear in the alert is called someView, it's:

Applescript:

alert's setAccessoryView:someView

Is there any way to launch the App with a certain window and after a few seconds this window will close automatically and open a second window? if so how could i do?
I know I can use

Applescript:

orderOut_ (me)

to hide and

Applescript:

makeKeyAndOrderFront_ (me)

to show another window.
but how can i close the first automatically after a few seconds?

thanks for the help Shane.

You can display any window as a sheet, so it's just a matter of building your own window.

It's not code -- you create a new window in Xcode. Add whatever buttons you want, and connect them to handlers that close the sheet. Then have your main window call beginSheet:completionHandler:, passing an outlet to the sheet window and missing value.

Perhaps you should try what I posted.