ConstraintJS

Oney, Stephen; Myers, Brad A.; Brandt, Jonathan

doi:10.1145/2380116.2380146

Cited by 75 publications

(7 citation statements)

References 16 publications

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“…Interaction designers and programmers often think in terms of states [29,39,50] instead of modules. With ConstraintJS [46] and InterState [47], Oney et al provide tools to model application logic in terms of states, and UI events are mapped onto transitions between those states. SwingStates add support for Finite State Machines (FSMs) to the widely used Java Swing Toolkit [4].…”

Section: Generating Feedforwardmentioning

confidence: 99%

Fortunettes

Coppers

Luyten

Vanacken

et al. 2019

Proc. ACM Hum.-Comput. Interact.

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Fig. 1. Feedforward at the widget level to provide an answer to the what if question "What will happen if I click this checkbox?". Feedback is commonly used to explain what happened in an interface. What if questions, on the other hand, remain mostly unanswered. In this paper, we present the concept of enhanced widgets capable of visualizing their future state, which helps users to understand what will happen without committing to an action. We describe two approaches to extend GUI toolkits to support widget-level feedforward, and illustrate the usefulness of widget-level feedforward in a standardized interface to control the weather radar in commercial aircraft. In our evaluation, we found that users require less clicks to achieve tasks and are more confident about their actions when feedforward information was available. These findings suggest that widget-level feedforward is highly suitable in applications the user is unfamiliar with, or when high confidence is desirable. CCS Concepts: • Human-centered computing → Graphical user interfaces; Interaction paradigms; HCI theory, concepts and models; Interaction design theory, concepts and paradigms; User interface toolkits;

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Section: Generating Feedforwardmentioning

confidence: 99%

Fortunettes

Coppers

Luyten

Vanacken

et al. 2019

Proc. ACM Hum.-Comput. Interact.

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“…Formally, comparison of domain-specific actions (DSAs) is specified by the operator . (4) Note that these comparison operators are structural for both syntax and semantics of language constructs. They result useful when the DSL variants were built-up by using practices such as clone-and-clone.…”

Section: Language Modules How To Identify Them?mentioning

confidence: 99%

“…The adoption of such a language-oriented vision has motivated the construction of a large variety of DSLs. There are, for example, DSLs to build graphical user interfaces [4], to specify security policies [5], or to ease off mobile applications' prototyping [6].…”

Section: Introductionmentioning

confidence: 99%

“…The first situation is the use of well-known formalisms through different domains. Consider the case of finite state machines, which have been used in a the construction of DSLs for a large spectrum of domains such as definition of graphical user interfaces [4] or games prototyping [9]. Those DSLs share typical state machine concepts such as states or transitions.…”

Section: Introductionmentioning

confidence: 99%

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Reverse engineering language product lines from existing DSL variants

Méndez-Acuña

Galindo

Combemale

et al. 2017

Journal of Systems and Software

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The use of domain-specific languages (DSLs) has become a successful technique to develop complex systems. In this context, an emerging phenomenon is the existence of DSL variants, which are different versions of a DSL adapted to specific purposes but that still share commonalities. In such a case, the challenge for language designers is to reuse, as much as possible, previously defined language constructs to narrow implementation from scratch. To overcome this challenge, recent research in software languages engineering introduced the the notion of language product lines. Similarly to software product lines, language product lines are often built from a set of existing DSL variants.In this article, we propose a reverse-engineering technique to ease-off such a development scenario. Our approach receives a set of DSL variants which are used to automatically recover a language modular design and to synthesize the corresponding variability models. The validation is performed in a project involving industrial partners that required three different variants of a DSL for finite state machines. This validation shows that our approach is able to correctly identify commonalities and variability.

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“…Our tool is implemented as a web application. We used ConstraintJS [15] to manage the constraints among the data and the spreadsheet cells. Here we describe the key features for using hierarchical data in Gneiss.…”

Section: Gneissmentioning

confidence: 99%

Using and Exploring Hierarchical Data in Spreadsheets

Chang

Myers

2016

Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems

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More and more data nowadays exist in hierarchical formats such as JSON due to the increasing popularity of web applications and web services. While many end-user systems support getting hierarchical data from databases without programming, they provide very little support for using hierarchical data beyond turning the data into a flat string or table. In this paper, we present a spreadsheet tool for using and exploring hierarchical datasets. We introduce novel interaction techniques and algorithms to manipulate and visualize hierarchical data in a spreadsheet using the data's relative hierarchical relationships with the data in its adjacent columns. Our tool leverages the data's structural information to support selecting, grouping, joining, sorting and filtering hierarchical data in spreadsheets. Our lab study showed that our tool helped spreadsheet users complete data exploration tasks nearly two times faster than using Excel and even outperform programmers in most tasks.

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ConstraintJS

Cited by 75 publications

References 16 publications

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Reverse engineering language product lines from existing DSL variants

Using and Exploring Hierarchical Data in Spreadsheets

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