Apple Newton Utilities Guide de l'utilisateur télécharger pdf (Page 813)

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CHAPTER 22

Transport Interface

Using the Transport Interface 22-25

The vBarber subtype shows a barber pole-like image, but it doesn’t animate

automatically. To make it appear to move, use the

UpdateIndicator method in

ViewIdleScript method, as shown here:

// create the initial vBarber status view

:SetStatusDialog('Sending, 'vBarber, {statusText: "Sending data

set...", titleText:"Data set 1", barber:true});

...

// set up the status view data frame

statusDialog.barberValueFrame:={name:'vBarber,values:{barber:true}};

...

// set up the idle script

statusDialog.ViewIdleScript:= func()

begin

:UpdateIndicator(barberValueFrame); // spin the barber

return 500; // idle for 0.5 seconds

end;

...

// start the idler

statusDialog:Setupidle(500);

If the autoStatus slot of the transport preferences frame is true, the status

view closes automatically when you send the

SetStatusDialog message with

'idle as the first parameter.

You can force the status view to close manually by sending the transport the

message

CloseStatusDialog. However, the next time you send the message

SetStatusDialog with a state other than 'idle as the first parameter, the

dialog reopens.

Providing a Routing Information Template 22

When viewing an item in the In/Out Box, the user can tap the transport icon to the

left of the item title to display a view that gives routing information about the item.

For example, for a fax item, the fax phone number is displayed; for a mail item, the

e-mail header is shown. Figure 22-2 (page 22-26) shows an example of a routing

information view.

You should create a template for a routing information view for your transport,

using

protoTransportHeader. If you don’t specify a header view, your

transport uses the default view, which displays the item title, the transport icon and

name, and the item’s size in the In/Out Box soup (the ﬁrst three elements in the

picture above).

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Apple Newton Utilities Guide de l'utilisateur Page 813

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