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Difference between revisions of "GEF/GEF4"

< GEF
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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, 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.  
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[[GEF/GEF4 | GEF4]] is the initial name for the the fourth generation API of the [http://www.eclipse.org/gef Graphical Editing Framework (GEF)]. It superseded the [https://www.eclipse.org/gef/draw2d/ Draw2d 3.x], [https://www.eclipse.org/gef/gef_mvc/index.php GEF (MVC) 3.x], and [https://www.eclipse.org/gef/zest/index.php Zest 1.x] legacy components, which are not developed further but only maintained.  
  
== Current Status ==
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With the [https://projects.eclipse.org/projects/tools.gef/releases/5.0.0-oxygen Oxygen release] GEF4 was evolved into GEF 5.0.0, as outlined in [http://nyssen.blogspot.de/2017/02/gef4-1-gef-5.html#Merger%20of%20MVC%20and%20MVC.FX 'GEF4 + 1 = GEF 5'], while the term 'GEF-Legacy' was established to refer to the legacy production components.
Development has been started by creating a new double-precision 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. As this is functionally complete, creation of a new Graphics-API (see Bugzilla [https://bugs.eclipse.org/bugs/show_bug.cgi?id=386029 386029] for details), which abstracts from a concrete windowing toolkit and can be used in SWT and AWT context (we assume that JavaFX might become interesting as an Eclipse RCP rendering possibility on the near term), is the next logical step we have started with. After this, the remaining parts of the Draw2d and Zest2 code base will be migrated, after it GEF (MVC).
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Additional information about current status and plans can also be found here:
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For further information, please consider the [https://github.com/eclipse/gef#eclipse-graphical-editing-framework-gef GitHub README] or the meta-data at [https://projects.eclipse.org/projects/tools.gef projects.eclipse.org].
* [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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== Components ==
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* [[Image:Ok_green.gif]][[GEF/GEF4/Geometry | GEF4 Geometry]] - Provides different abstractions (Euclidean, Projective, Planar) for 2D geometric calculations, and conversions of planar geometries (curves, shapes, poly shapes) to/from respective SWT and AWT equivalents (as well as conversions between these SWT and AWT geometries). ([https://bugs.eclipse.org/bugs/show_bug.cgi?id=355997 355997])
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* [[Image:Progress.gif]][[GEF/GEF4/SwtFX | GEF4 SwtFX]]  - Will provide abstractions for the combined rendering of lightweight (shape and canvas figures) and non-lightweigth (SWT widgets) objects for SWT. It is inspired by concepts of JavaFX and intended to replace the core of Draw2d. ([https://bugs.eclipse.org/bugs/show_bug.cgi?id=410772 410772])
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* [[GEF/GEF4/Layouts|  GEF4 Layouts]] (planned)  - Will provide a data model for layout calculations as well as basic layout algorithms. Will be based on the contents of the <code>org.eclipse.draw2d.graph</code> package as well as on the SWT/JFace independent parts of the <code>org.eclipse.zest.core.layouts</code> plug-in.( [https://bugs.eclipse.org/bugs/show_bug.cgi?id=394219 394219])
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* [[Image:Progress.gif]][[GEF/GEF4/Cloudio | GEF4 Cloudio]]  - Provides support for visualizing tag clouds. (Refactored out of the Zest2 code base, see [https://bugs.eclipse.org/bugs/show_bug.cgi?id=420061 420061] for details)
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* [[Image:Progress.gif]][[GEF/GEF4/Zest | GEF4 Zest]] - Original Zest2 code base, already adopted to GEF4 namespace and versioning, integrated into GEF4 Git repository and update-site. Not yet adopted/re-modularized to depend on other GEF4 components only (i.e. still dependent on Draw2d 3.x). Will be split/re-modularized, some parts will for instance be moved to [[GEF/GEF4/Layouts | GEF4 Layouts]] components ([https://bugs.eclipse.org/bugs/show_bug.cgi?id=372365 372365])
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== Bugs/Enhancements ==
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Bugzilla components (for those listed above) are created one by one as parts of the remaining code base are migrated. In addition, all bugs related to [[GEF/GEF4 | GEF4]] are 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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== Source Code ==
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The complete source code of [[GEF/GEF4 | GEF4]] is located in the [http://git.eclipse.org/c/gef/org.eclipse.gef4.git/ GEF4 Git repository]. For further information on how to obtain it and how set-up in order to contribute, please refer to the [[GEF/Contributor Guide | GEF Project Contributor Guide]].
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== Update Sites ==
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A Tycho-based build infrastructure for the GEF4 provisional component has been configured under [https://hudson.eclipse.org/hudson/job/gef4-master https://hudson.eclipse.org/hudson/job/gef4-master]. 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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* [https://hudson.eclipse.org/hudson/job/gef4-master/lastSuccessfulBuild/artifact/update-site https://hudson.eclipse.org/hudson/job/gef4-master/lastSuccessfulBuild/artifact/update-site]
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In addition to this, integration, milestones, and release builds are promoted to downloads.eclipse.org and can be found here:
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* [http://download.eclipse.org/tools/gef/gef4/updates/integration http://download.eclipse.org/tools/gef/gef4/updates/integration]
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* [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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[[Category:GEF]]
 
[[Category:GEF]]

Latest revision as of 09:09, 15 May 2017

GEF4 is the initial name for the the fourth generation API of the Graphical Editing Framework (GEF). It superseded the Draw2d 3.x, GEF (MVC) 3.x, and Zest 1.x legacy components, which are not developed further but only maintained.

With the Oxygen release GEF4 was evolved into GEF 5.0.0, as outlined in 'GEF4 + 1 = GEF 5', while the term 'GEF-Legacy' was established to refer to the legacy production components.

For further information, please consider the GitHub README or the meta-data at projects.eclipse.org.

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