End-user composition of graphical user interfaces by composite pattern

Vanderdonckt, Jean;Grolaux, Donatien
(2019) 11th ACM SIGCHI Symposium on Engineering Interactive Computing Systems — Location: Valencia, Spain (18.June.2019)

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We present ComPat, an open source visual editor enabling end users to compose graphical user interfaces based on the composite pattern, a common software engineering design pattern: any widget or group of widgets is treated the same way as a single instance of the same type of widget. ComPat exploits a grid of rows and columns, where each cell, regulated by layout constraints, is populated either by direct import of widgets from a palette or by pattern application. In order to compose graphical user interfaces, any portion could be cut, copied, pasted, and treated as a single object thanks to the composite pattern, thus facilitating reusability. Any portion becomes a pattern that can be applied either by direct instantiation or by rewriting. ComPat automatically generates a Java Swing graphical user interface corresponding to the composition and stores its definition in a User Interface Description Language based on a XML Schema.
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Vanderdonckt, J., & Grolaux, D. (2019). End-user composition of graphical user interfaces by composite pattern. Proceedings of the ACM SIGCHI Symposium on Engineering Interactive Computing Systems - EICS ’19. Published. 11th ACM SIGCHI Symposium on Engineering Interactive Computing Systems, Valencia, Spain. https://doi.org/10.1145/3319499.3328236