Pickers, Pop-up Views, and Overviews

Overview Protos

// NOTE: returns the edit slip that is opened
GetLayout("editor.t"):new(tapInfo.nameRef,

tapInfo.editPaths, why, self, 'EditDone, context);

else
begin

// the item is valid, so just toggle the selection
context:Tapped('toggle);
nil;

// Return <nil>.

end;..

end;

The example above assumes that the base view of the layout

editor.t

has a

New

method that opens the editor and returns the associated view.

The editor can be designed to fit your data. However, we suggest that you use a

protoFloatNGo

that is attached to the root view using

BuildContext

. You are

also likely to need a callback to the

pickderDef

so it can appropriately update

the edited or new item. Finally, your editor needs to update your data soup using an

Xmit

soup method so that the list picker updates.

In the

OpenEditor

example above, the last three arguments are used by the editor

to send a callback to the

pickerDef

from the

viewQuitScript

. The design of

the callback function is up to you. Here is an example:

pickerDef.EditDone := func(nameRef, context)
begin
local valid = :Validate(tapInfo.nameRef, tapInfo.editPaths) ;

if (Length(valid) > 0) then
begin

// Something failed. Try and revert back to original
if NOT :ValidatePager(nameRef) AND

self.('[pathExpr: savedPagerValue, nameRef]) = nameRef then

nameRef.pager := savedPagerValue.pager;

context:Tapped(nil);// Remove the checkmark

end;
else

// The nameRef is valid, so select it.
context:Tapped('select);

// Clear the saved value for next time.
savedPagerValue := nil;

end;