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Difference between revisions of "GEF/GEF4"

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[[GEF/GEF4 | GEF4]] is the unified effort to develop a new GEF 4.0 code base as a modernization of the current one (Draw2d and GEF (MVC) 3.x and Zest 1.x, in the following referred to as ''GEF proper''). Being developed in parallel to maintaining the GEF proper code base, [[GEF/GEF4 | GEF4]] is set up as a provisional component in order to not being bound to the same API compatibility constraints. Up to now development has been started by creating a new double-precsision Geometry API (see Bugzilla [https://bugs.eclipse.org/bugs/show_bug.cgi?id=355997 355997] for details) based on the Draw2d Geometry classes as a nucleus. Plans are to port the remaining parts of the Draw2d and GEF (MVC) 3.8 code base to it after the Juno release, as well as the up to now independently developed Zest2 code base (see  [https://bugs.eclipse.org/bugs/show_bug.cgi?id=372365 bug #372365] for details).
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__NOTOC__
  
* [[GEF/GEF4/Geometry | GEF4 Geometry]]
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[[GEF/GEF4 | GEF4]] is the unified effort to develop a new GEF 4.x code base as a modernization of the current production components Draw2d/GEF (MVC) 3.x, and Zest 1.x. Being developed in parallel to maintaining the production components, [[GEF/GEF4 | GEF4]] is set up as a set of smaller, more lightweight [[#Components | components]] that currently only provide provisional API.
  
== Bugs/Enhancements ==
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Additional information about our plans and can be inferred from the following talks:
There is no specific Bugzilla component to classify bugs for [[GEF/GEF4 | GEF4]]. Up to now, all bugs that are related to [[GEF/GEF4 | GEF4]] are thus prefixed <code>[GEF4]</code>. [https://bugs.eclipse.org/bugs/buglist.cgi?query_format=advanced&list_id=674650&short_desc=%5BGEF4%5D&short_desc_type=casesubstring&classification=Tools&product=GEF Here] is a list of all bugs currently related to [[GEF/GEF4 | GEF4]].
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* [http://www.eclipsecon.org/2012/sites/eclipsecon.org.2012/files/GEF_Past_Present_Future_0.pdf Alexander Nyßen (2012): GEF - Past, Present, and Future, EclipseCon NA, Reston (VA), 2012]
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* [http://www.eclipsecon.org/europe2012/sites/eclipsecon.org.europe2012/files/GEF4_Share_And_Enjoy_0.pdf Alexander Nyßen (2012): GEF4 - Share And Enjoy..., EclipseCon Europe, Ludwigsburg, 2012]
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* [http://www.eclipsecon.org/2013/sessions/gef4-share-and-enjoy Alexander Nyßen (2013): GEF4 - (Continue to) Share and Enjoy..., EclipseCon NA, Boston (MA), 2013]
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* [[media:GEF4_SwtFX.pdf | Alexander Nyßen (2013): GEF4 SwtFX (Lightning Talks), EclipseCon Europe, Ludwigsburg, 2013 ]]
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* [[media:GEF4.pdf | Alexander Nyßen (2013): GEF4, RheinJug, Düsseldorf, 2013 ]]
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* [https://www.eclipsecon.org/na2014/sites/default/files/slides/GEF4_There_s_really_something_going_on_0.pdf Alexander Nyßen (2014): GEF4 - There's really something going on!, EclipseCon NA, San Francisco (CA), 2014]
  
== Source Code ==
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== Current Status ==
After the Juno release, the complete source code of the [[GEF/GEF4 | GEF4]] provisional component will be located in the [http://git.eclipse.org/c/gef/org.eclipse.gef4.git/ GEF4 Git repository]. Up to now it only includes the [[GEF/GEF4/Geometry | GEF4 Geometry]] in its current state as well as the already existing release engineering infrastructure. The source code of the Zest2 component can now be found in the [http://git.eclipse.org/c/gef/org.eclipse.zest.git Zest Git repository].
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Work is currently being spent on developing a JavaFX-based replacement for the core of GEF (GEF4 FX, GEF4 SwtFX, GEF4 MVC), as well as further migration of the former Zest2 code base (GEF4 Layout, GEF4 Graph, GEF4 DOT, GEF4 Zest.FX). Integration builds are available on a weekly basis (see [[#Developer Resources | Developer Resources]]), and we are intending to publish a first release of the GEF4 components with the Mars simultaneous release.
  
== Update Sites ==
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== Components ==
A Tycho-based build infrastructure for the GEF4 provisional component has been configured under [https://hudson.eclipse.org/hudson/job/gef4-nightly-tycho https://hudson.eclipse.org/hudson/job/gef4-nightly-tycho]. The build job is triggered hourly in case of changes to the source code repository and further once per day. It produces an update-site, which does not get promoted to downloads.eclipse.org, but can directly be consumed from:
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[[Image:GEF4_Vision.png|500px]]
  
* [https://hudson.eclipse.org/hudson/job/gef4-nightly-tycho/lastSuccessfulBuild/artifact/update-site https://hudson.eclipse.org/hudson/job/gef4-nightly-tycho/lastSuccessfulBuild/artifact/update-site]
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* [[Image:Ok_green.gif]][[GEF/GEF4/Geometry | <span style="color:#FFFFFF; background:#268558">GEF4 Geometry (Geometry / Geoemtry.Convert.SWT / Geometry.Convert.FX)</span>]] - 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). Is already quite stable but still requires some performance optimizations. Also, change notification support is still lacking.
  
In addition to this, integration, milestones, and release builds are promoted to downloads.eclipse.org and can be found here:
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* [[Image:Progress.gif]][[GEF/GEF4/FX | <span style="color:#FFFFFF; background:#4C6084">GEF4 FX</span>]] - Provides support for rendering IGeometry-based JavaFX shapes, visual anchor implementations, and common JavaFX-specific abstractions (IFXConnection) to be used by upstream components. Will have to be extended with additional anchor implementations, decorations, and custom widgets.
  
* [http://download.eclipse.org/tools/gef/gef4/updates/integration http://download.eclipse.org/tools/gef/gef4/updates/integration]
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* [[Image:Progress.gif]][[GEF/GEF4/SwtFX | <span style="color:#FFFFFF; background:#705384">GEF4 SwtFX</span>]] - Provides support for embedding SWT Controls (generic adapter as well as specific adapters for Button, StyledText) via adapters into a JavaFX scene graph using the JavaFX SWT integration. Also enhances the JavaFX-SWT-Integration with forwarding of touch gestures. Will have to be extended to provide dedicated support for adapting additional SWT controls.
* [http://download.eclipse.org/tools/gef/gef4/updates/milestones http://download.eclipse.org/tools/gef/gef4/updates/milestones]
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* [http://download.eclipse.org/tools/gef/gef4/updates/releases http://download.eclipse.org/tools/gef/gef4/updates/releases]
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Note that while integration builds are promoted automatically once per week (every friday), milestone and release builds are published only manually on the respective occasions (not yet). Further note that these update sites are merged (so old builds are preserved), while the nightly update site gets replaced on each build.
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* [[Image:Progress.gif]][[GEF/GEF4/MVC | <span style="color:#FFFFFF; background:#05124E">GEF4 MVC (MVC / MVC.UI / MVC.FX / MVC.FX.UI)</span>]]  - 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.
  
== Presentations ==
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* [[Image:Progress.gif]][[GEF/GEF4/Graph | <span style="color:#FFFFFF; background:#960607">GEF4 Graph</span>]] Provides a (currently) very simply, UI-independent data-model (Graph, Node, Edge). Will need to be extended to suit as underlying data model for GEF4 Layout (sub-graphs).
* [http://www.eclipsecon.org/2012/sites/eclipsecon.org.2012/files/GEF_Past_Present_Future_0.pdf Alexander Nyßen (2012): GEF - Past, Present, and Future. EclipseCon NA, Reston (VA), 2012]
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* [[Image:Progress.gif]][[GEF/GEF4/Layout | <span style="color:#FFFFFF; background:#7C866A">GEF4 Layout</span>]] - Provides layout algorithm implementations as well as a data-model facade to feed these algorithms. Will have to be harmonized with GEF4 Graph, so that GEF4 graph models can be used as underlying data-model.
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* [[Image:Glass.gif]][[GEF/GEF4/Zest | <span style="color:#FFFFFF; background:#206FAD">GEF4 Zest (Zest.FX / Zest.FX.UI)</span>]] - Will provide graph-based visualization based on JavaFX. So far transferred from original Zest2 code base, adopted to GEF4 namespace and versioning, and integrated into GEF4 Git repository and update-site. Not yet fully adopted/re-modularized to depend on other GEF4 components only (i.e. still dependent on Draw2d 3.x). However, the GEF4 Layout, GEF4 Graph, GEF4 DOT, and GEF4 Cloudio components have already been factored out ([https://bugs.eclipse.org/bugs/show_bug.cgi?id=372365 372365]).
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* [[Image:Progress.gif]][[GEF/GEF4/DOT | <span style="color:#FFFFFF; background:#561D8E">GEF4 DOT (DOT / DOT.UI)</span>]] Provides GraphViz DOT-Editor (Xtext) and import/export to GEF4 Graph. Will have to be extended to e.g. support sub-graphs.
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* [[Image:Ok_green.gif]][[GEF/GEF4/Cloudio | <span style="color:#FFFFFF; background:#8A3572">GEF4 Cloudio</span>]]  - Provides support for visualizing tag clouds. Is based on SWT/JFace, integrated in the Eclipse UI, and will (at least for now) not be ported to JavaFX.
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== Developer Resources ==
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All relevant information about how to obtain our source code, where to find our Hudson build jobs, update sites, mailing lists, or our forum, etc. can all be found in the respective sections of the [https://projects.eclipse.org/projects/tools.gef GEF project dashboard]. In addition to this, there is a dedicated [[GEF/Contributor Guide | GEF Project Contributor Guide]] that describes how to setup a workspace, provide a patch, execute a headless Tycho-build, and more.
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[[Category:GEF]]

Revision as of 11:26, 20 March 2014


GEF4 is the unified effort to develop a new GEF 4.x code base as a modernization of the current production components Draw2d/GEF (MVC) 3.x, and Zest 1.x. Being developed in parallel to maintaining the production components, GEF4 is set up as a set of smaller, more lightweight components that currently only provide provisional API.

Additional information about our plans and can be inferred from the following talks:

Current Status

Work is currently being spent on developing a JavaFX-based replacement for the core of GEF (GEF4 FX, GEF4 SwtFX, GEF4 MVC), as well as further migration of the former Zest2 code base (GEF4 Layout, GEF4 Graph, GEF4 DOT, GEF4 Zest.FX). Integration builds are available on a weekly basis (see Developer Resources), and we are intending to publish a first release of the GEF4 components with the Mars simultaneous release.

Components

GEF4-Components.png

  • Ok green.gif GEF4 Geometry (Geometry / Geoemtry.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). Is already quite stable but still requires some performance optimizations. Also, change notification support is still lacking.
  • Progress.gif GEF4 FX - Provides support for rendering IGeometry-based JavaFX shapes, visual anchor implementations, and common JavaFX-specific abstractions (IFXConnection) to be used by upstream components. Will have to be extended with additional anchor implementations, decorations, and custom widgets.
  • Progress.gif GEF4 SwtFX - Provides support for embedding SWT Controls (generic adapter as well as specific adapters for Button, StyledText) via adapters into a JavaFX scene graph using the JavaFX SWT integration. Also enhances the JavaFX-SWT-Integration with forwarding of touch gestures. Will have to be extended to provide dedicated support for adapting additional SWT controls.
  • Progress.gif GEF4 MVC (MVC / MVC.UI / MVC.FX / MVC.FX.UI) - 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.
  • Progress.gif GEF4 Graph Provides a (currently) very simply, UI-independent data-model (Graph, Node, Edge). Will need to be extended to suit as underlying data model for GEF4 Layout (sub-graphs).
  • Progress.gif GEF4 Layout - Provides layout algorithm implementations as well as a data-model facade to feed these algorithms. Will have to be harmonized with GEF4 Graph, so that GEF4 graph models can be used as underlying data-model.
  • Glass.gif GEF4 Zest (Zest.FX / Zest.FX.UI) - Will provide graph-based visualization based on JavaFX. So far transferred from original Zest2 code base, adopted to GEF4 namespace and versioning, and integrated into GEF4 Git repository and update-site. Not yet fully adopted/re-modularized to depend on other GEF4 components only (i.e. still dependent on Draw2d 3.x). However, the GEF4 Layout, GEF4 Graph, GEF4 DOT, and GEF4 Cloudio components have already been factored out (372365).
  • Progress.gif GEF4 DOT (DOT / DOT.UI) Provides GraphViz DOT-Editor (Xtext) and import/export to GEF4 Graph. Will have to be extended to e.g. support sub-graphs.
  • Ok green.gif GEF4 Cloudio - Provides support for visualizing tag clouds. Is based on SWT/JFace, integrated in the Eclipse UI, and will (at least for now) not be ported to JavaFX.

Developer Resources

All relevant information about how to obtain our source code, where to find our Hudson build jobs, update sites, mailing lists, or our forum, etc. can all be found in the respective sections of the GEF project dashboard. In addition to this, there is a dedicated GEF Project Contributor Guide that describes how to setup a workspace, provide a patch, execute a headless Tycho-build, and more.

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