Modular specification of GUI layout using constraints

Christof Lutteroth, Gerald Weber

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Abstract

The Auckland Layout Model (ALM) is a novel technique for specifying layout. It generalizes grid-based layouts as they are widely used for print layout as well as for GUI layout. Qualitatively, in ALM the focus switches from the cells of the grid to the tabstops between cells. Quantitatively, the model permits the specification of constraints based on linear algebra, and an optimal layout is calculated using linear programming. ALM provides several advantages for developers: first, it supports several different levels of abstraction through higher-level layout constructs that are automatically translated into the lower-level primitives of linear programming. The formalism of linear programming defines a clean separation of ALM's interface and its implementation. Second, the compositional nature of ALM allows developers to group parts of a specification that belong naturally together, resulting in a modular GUI specification. Our experience has shown that it is much harder to achieve a similar separation of concerns when using common GUI layout techniques.
Original languageEnglish
Title of host publicationProceedings of the 19th Australian Software Engineering Conference (ASWEC), 2008
PublisherIEEE
Pages300-309
Number of pages10
ISBN (Print)9780769531007
DOIs
Publication statusPublished - 2008

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