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C H A P T E R 1 5
Filing
15-14
Using the Filing Service
Creating the labelsFilter slot
15
Your application's target view must supply a
labelsFilter
slot. This slot holds
a value indicating the current filing filter selected by the user in the picker displayed
by the folder tab view. This slot can store either a symbol indicating the currently
displayed filing category or the value
nil
(which specifies that the Unfiled category
is currently displayed).
The system sets the value of the
labelsFilter
slot for you. Your
NewFilingFilter
method must update the display of your application's
data according to the value of this slot.
To display a predetermined filing category when your application opens, you can
set an initial value for the
labelsFilter
slot from within the application base
view's
ViewSetupFormScript
method.
Creating the storesFilter slot
15
Your application's target view must supply a
storesFilter
slot. This slot stores
a value indicating the current store filter selected by the user from the picker
displayed by the folder tab view. This slot can store either a symbol or the value
nil
.
The system sets the value of the
storesFilter
slot for you. Your
NewFilingFilter
method must update the display of your application's
data according to the value of this slot.
To display items on a particular store when your application opens, you can set an
initial value for the
storesFilter
slot from within the application base view's
ViewSetupFormScript
method.
Adding the Filing Button
15
You need to take the following steps to add the
protoFilingButton
view to
your application:
In NTK, sketch the filing button using the
protoFilingButton
proto and
declare it to the application's base view.
Set appropriate values for the button's
viewBounds
slot.
Adding the Folder Tab View
15
Your application's base view must provide a view that displays the currently
selected filing category and allows the user to select a new filing category. This
view is based on either the
protoNewFolderTab
or
protoClockFolderTab
system proto.
Adding the folder tab view to your application is easy. In NTK, sketch the folder
tab in your application's base view using the
protoNewFolderTab
proto and
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