Apple Newton Utilities User's Guide download pdf (Page 190)

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101

CHAPTER 5

Stationery

5-8 Using Stationery

A call to the global function GetDefs in the NTK Inspector window returns a

series of frames describing dataDefs that have been registered with the system. An

excerpt of the output from a call made in the Inspector window follows.

GetDefs('dataDef,nil,nil)

#44150A9 [{_proto: {@451},

symbol: paperroll,

name: "Note",

superSymbol: notes,

description: "Note",

icon: {@717},

version: 1,

metadata: NIL,

MakeNewEntry: <function, 0 arg(s) #46938D>,

StringExtract: <function, 2 arg(s) #4693AD>,

textScript: <function, 2 arg(s) #4693CD>},

{_proto: {@451},

symbol: calllog,

name: "Calls",

superSymbol: callapp,

description: "Phone Message",

icon: {@718},

version: 1,

metadata: NIL,

taskSlip: |PhoneHome:Newton|,

MakeNewEntry: <function, 0 arg(s) #47F9A9>,

StringExtract: <function, 2 arg(s) #47F969>,

textScript: <function, 2 arg(s) #47F989>},

...]

GetDefs

and other stationery functions are documented in Newton Programmer’s

Reference.

Creating a DataDef 5

You create a dataDef by basing it on a newtStationery proto. In NTK it is

created as a layout ﬁle, even though it is never displayed. The following steps lead

you through the creation of the dataDef that is used to extend the built-in Notes

application.

Note again that the data deﬁnition is adopted into an application’s soup only when

the application and dataDef have matching values in their

superSymbol slots.

For instance, when you are building a dataDef as an extension to the Notes

application, as we are in this example, your dataDef must have

'notes as the

value of its

superSymbol slot.

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