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mwienand edited this page Aug 15, 2016 · 16 revisions

This wiki provides the user documentation for the end-user tools, as well as the developer documentation for the different framework components offered by the Eclipse Graphical Editing Framework (GEF). You may also consult the Further Reading section if you are interested in the evolution and future plans of this project.

For a general introduction and guidelines about how to install the end-user tools or how to get started with the framework components, please refer to the README first.

The documentation for the legacy components Draw2d 3.x, GEF (MVC) 3.x, and Zest 1.x are located in the eclipse/gef-legacy wiki.

User Documentation

GEF provides a Graphviz DOT authoring component and a Tag Cloud renderer component, which may be used as end-user tools in an Eclipse environment. The user documentation for both end-user tools is provided in terms of a DOT User Guide and a Cloudio User Guide.

Developer Documentation

GEF is constituted of nine loosely coupled framework components, each broken down into one or more modules. Each module is technically realized through a pair of Eclipse bundle and related feature, each component accordingly through an SDK feature that bundles all module features with their respective sources, as well as a shared documentation feature.

The naming of the components' modules indicate their UI-toolkit and Eclipse UI dependencies. That is, module names containing '.SWT', '.JFace', or '.FX' indicate a respective dependency to SWT, JFace, or JavaFX. Module names containing '.UI' indicate a dependency to the Eclipse UI. Please note that '.FX' is only used to indicate dependencies on the JavaFX UI toolkit and that JavaFX collections and properties are used throughout (except by Geometry and Cloudio).

  • Common - Provides basic abstractions and infrastructure used by (potentially) all other components, including an enhanced adaptable pattern and notification support.

  • Geometry (Geometry / Geometry.Convert.SWT / Geometry.Convert.FX) - Provides different abstractions (Euclidean, Projective, Planar) for 2D geometric calculations, and conversions of planar geometries (curves, shapes, poly shapes) to/from respective SWT, AWT, and JavaFX equivalents (as well as conversions between SWT and AWT geometries).

Usage of API is demonstrated by undeployed Geometry Examples.

  • FX (FX / FX.SWT / FX.JFace) - Provides support for rendering Geometry-based shapes, as well as abstractions that are needed in the context of graphical editors and views, i.e. visual anchor implementations and a connection abstraction. Also enhances the JavaFX-SWT-Integration with forwarding of touch gestures and provides proper support for embedding SWT Controls via a generic adapter into a JavaFX scene graph (within the context of the JavaFX SWT integration).

Usage of API is demonstrated by undeployed FX Examples and FX SWT Examples.

  • Graph - Provides a simple, UI-independent data-model (Graph, Node, Edge) for representing directed graphs. It is used as the data model for DOT and the underlying visualization-model for Zest.

Usage of API is demonstrated by undeployed Graph Examples.

  • Layout - Provides layout algorithm implementations as well as a model facade to adapt layout model data for these algorithms.

Usage of API is demonstrated by undeployed Layout Examples.

  • MVC (MVC / MVC.UI / MVC.FX / MVC.FX.UI) - Provides the core model-view-controller framework to build up graphical editors and views. Provides an UI toolkit independent and a JavaFX specific layer, as well as Eclipse-UI integration for both. Can be used to build standalone and Eclipse-integrated editors and views.

Usage of API is demonstrated by a bundled MVC Logo Example, which is available as a standalone application, an Eclipse Workbench UI integrated view, as well as a JNLP-based web application.

Usage of API is demonstrated by a bundled Zest Graph Example, which is available as a standalone application and an Eclipse Workbench UI integrated view, as well as undeployed Zest Examples and Zest JFace Examples.

Usage of (still internal) API is demonstrated by undeployed DOT Examples.

  • Cloudio (Coudio.UI) - Provides support for visualizing tag clouds. It is based on SWT/JFace, integrated in the Eclipse UI, and will (at least for now) not be ported to JavaFX.

Usage of (still internal) API is demonstrated by undeployed Cloudio UI Examples.

Further Reading

Further information about the history and current plans, as well as on technical details can be inferred from the following presentations/articles/posts:

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