Apple Newton Utilities Guide de l'utilisateur télécharger pdf (Page 510)

100

101

CHAPTER 12

Special-Purpose Objects for Data Storage and Retrieval

12-4 About Special-Purpose Storage Objects

Except for soup parts, all the parts listed in Table 12-1 are called frame parts

because they include a part frame which holds the items comprising the frame part.

Such items may include icons, scripts, other parts, binary data and so on. A

soup

part, on the other hand, does not have a part frame and is composed of soup data only.

When a frame part is loaded, the system disperses the contents of its part frame to

the appropriate subsystems. For example, in addition to the application itself,

which is a

form part used by the Extras Drawer, the part frame in an application

package might include a custom icon used by the Extras Drawer, a custom dictionary

used by the recognition subsystem, a soup part that provides application data, and

InstallScript function that performs application-speciﬁc setup tasks.

Store Parts 12

A store part is a part that encapsulates a read-only store. Because you can build

store parts into application packages, the store part is sometimes referred to as a

package store.

Soups can reside on package stores, just as they do on normal stores; however,

because package stores are read-only, soups residing on package stores must also

be read-only. Store parts can be used to provide soup-like access to read-only data

residing in an application package.

For more information about the characteristics of soups, see “Soups” on page 11-7

and “Using Soups” on page 11-32.

Mock Entries 12

A mock entry is a NewtonScript object that mimics the behavior of a soup entry.

The mock entry is a foundation object you can use to build up a suite of objects

that acts like the system-supplied store, soup, cursor, and entry objects. For

example, you could create a mock entry object that uses a serial communications

link to retrieve a record from a remote database; additional objects could implement

methods to provide cursor-like access to these mock entries, just as if they resided

Table 12-1 Parts and type identiﬁers

Part Type Description

Application form Application.

Book book Book created by Newton Book Maker or Newton Press.

Auto part auto Background application/extension.

Store part soup Read-only soup.

Dictionary dict Custom dictionary for Newton recognition subsystem.

Font font Additional font.

1 2 ... 505 506 507 508 509 510 511 512 513 514 515 ... 941 942

Commentaires sur ces manuels

Pas de commentaire

Apple Newton Utilities Guide de l'utilisateur Page 510

Commentaires sur ces manuels

Produits connexes et manuels pour Logiciel Apple Newton Utilities