A Description of the Model-View-Controller User Interface Paradigm …
Short Description
The Counter demonstration and tutorial example is part of the standard Smalltalk-80 Version VI. 2.2 release package and was originally written by Michael …
Website: www.ccmrc.ucsb.edu | Filesize: 491kb
Content
A Description of the Model-View-Controller User
Interface Paradigm in the Smalltalk-80 System
Glenn E. Krasner and Stephen T. Pope
ParcPlace Systems, Inc.
1550 Plymouth Street Mountain View, CA 94043 glenn@ParcPlace.com
Copyright . 1988 ParcPlace Systems. All Rights Reserved.
Abstract
This essay describes the Model-View-Controller (MVC) programming paradigm and
methodology used in the Smalltalk-80TM programming system. MVC programming is the
application of a three-way factoring, whereby objects of different classes take over the operations
related to the application domain, the display of the application’s state, and the user interaction
with the model and the view. We present several extended examples of MVC implementations and
of the layout of composite application views. The Appendices provide reference materials for the
Smalltalk-80 programmer wishing to understand and use MVC better within the Smalltalk-80
system.
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
MVC and the Issues of Reusability…
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