Re: Script Objects
Re: Script Objects
- Subject: Re: Script Objects
- From: Luther Fuller <email@hidden>
- Date: Tue, 19 Jan 2010 08:30:31 -0600
On Jan 18, 2010, at 10:50 PM, Chris Page wrote: script Person
property FullName : "Anonymous"
property Title : "Unknown"
on SayHello()
set message to "Hello, my name is " & FullName & ", " & Title & "."
log message
say message
end SayHello
end script
copy Person to Elmer
set Elmer's FullName to "Elmer J. Fudd"
set Elmer's Title to "Millionaire"
copy Person to Shake
set Shake's FullName to "Shake Zula"
set Shake's Title to "Mike Rula"
tell Shake to SayHello()
tell Person to SayHello()
tell Elmer to SayHello()
Let's call this code-1 and shorten it to this ...
script Person property FullName : "Anonymous" property Title : "Unknown"
on SayHello() set message to "Hello, my name is " & FullName & ", " & Title & "." -- log message say message end SayHello end script copy Person to Elmer set Elmer's FullName to "Elmer J. Fudd" set Elmer's Title to "Millionaire" tell Elmer to SayHello()
Now, consider the script ...
-- this space reserved for some code ----------------------- Elmer's FullName
What goes into the reserved space? If you put code-1 into the reserved space, then "Elmer J. Fudd" is written to the console. But, I could have put this code-2 into the reserved space ...
set Elmer to {Title:"Millionaire", FullName:"Elmer J. Fudd"} on SayHello(Person) set message to "Hello, my name is " & (FullName of Person) & ", " & (Title of Person) & "." say message end SayHello tell me to SayHello(Elmer)
and gotten the same result. The line 'Elmer's FullName' can't tell the difference between a record and a script object. But, a script object can contain handlers associated with its data. Code-2 is a lot shorter than code-1 and I would prefer it. But ...
Is there any advantage to associating the data and the handlers for the data by using a script object?
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