Apple Newton Utilities User's Guide download pdf (Page 193)

100

101

CHAPTER 5

Stationery

Using Stationery 5-11

Here is an example:

TextScript: func(item,target)

begin

item.text := "IOU\n" & target.(kDataSymbol).who

&& "owes me" &&

NumberStr(target.(kDataSymbol).howMuch);

item.text;

end;

Creating ViewDefs 5

ViewDefs may be based on any of the generic view protos. You could use, for

instance, a

clView, which has very little functionality. Or, if you wanted a picture

to display behind your data, you could base your viewDef on a

clPictureView.

Routing and printing formats are also implemented as viewDefs. You can learn

more about using special protos to create routing and printing formats in Chapter 21,

“Routing Interface.”

Note that these are just a few examples of views you may use as a base view in

your viewDef. Your viewDef will function as expected, so long as the required slots

are set and the resulting view template is registered, either in the

allviewDefs

slot of the

newtApplication base view or through the InstallScript

function of an auto part.

You may create the viewDef for the auto part that extends the Notes application by

using a

clView as the base view. Create an NTK view template, named

iouDefaultViewDef, in which a clView fills the entire drawing area. Then

save the view template ﬁle (using the Save As menu item) as

iouDefaultViewDef.

You can now set the slots as follows:

■ Set the name slot to "IOU Info". This string appears in the Show button, if

there is one.

■ Set the symbol slot to 'default. At least one of the viewDefs associated with

a dataDef must have

'default as the value of its symbol slot.

■ Set the type slot to 'viewer. The three system-deﬁned types for viewDefs are

'editor, 'viewer, and 'routeFormat. You may define others as you wish.

■ Set the viewDefHeight slot to 176 (of the four slot views that will be added

to this viewDef, each is 34 pixels high plus an 8-pixel separation between them

and an 8-pixel border at the bottom).

■ Set the viewBounds slot to 0, 0, 0, 0.

■ Set the viewJustify slot to horizontal parent full relative and vertical parent

full relative.

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