[Indigo]<Squirrel>NewTop>DefaultNutUtilities.mesa!1

File: DefaultNutUtilities.mesa

Created by: Butler on June 15, 1984 2:26:41 pm PDT

Last edited by:

Butler, June 27, 1984 3:48:44 pm PDT

DIRECTORY

DB,

ViewerClasses,

Buttons;

DefaultNutUtilities: CEDAR DEFINITIONS =

BEGIN OPEN DB;

FieldHandle: TYPE = REF FieldObject;

FieldObject: TYPE = RECORD[ tuple: Relship, attribute: Attribute ];

Viewer: TYPE = ViewerClasses.Viewer;

ProcessSelection: Buttons.ButtonProc;

--A standard ButtonProc that assumes the button's REF ANY data is the FieldHandle above.

--Insures attribute of tuple is entity-valued and non-NIL, then calls Nut.Display on it.

Reset: PROCEDURE [eName, domain: ROPE, seg: DB.Segment, viewer: Viewer];

--Resets contents of editor to its statebefore edits started.

Edit: PROCEDURE [eName, domain: ROPE, seg: DB.Segment, parent: Viewer];

--Invoked when hit the "Edit" button on the default displayer.

--Should replace the displayer viewer with an editor viewer.

END. . .