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Use of 2.1.0 e(fx)clipse Target Definition breaks standard e4 application template. [message #1708240]

Mon, 14 September 2015 17:31

Eclipse User

Use of 2.1.0 e(fx)clipse Target Definition breaks standard e4 application template. I have created two e4 application projects/bundles to show what I am seeing. See screen captures for more details.

Manually adding the org.eclipse.set and org.eclipse.jface jars to the project preferences does not fix the issue either. The Target Definition does a nice job of trimming down the number of jars from 907 to 325. Maybe it trimmed the number of jars too much?

It seems there was an assumption that the if an application is going to use JavaFX and e(fx)clipse that swt and jface would not be needed. It also seems there is an unintended consequence to the assumption. As it stands now a developer must separate two different e4 applications into two workspaces, one for JavaFX and one for swt/jface. I would think this would be an issue for large applications that imbed other libraries, that use swt and /or jface, for a subset of application features. Or is there something wrong in my thinking?

The other option is switching between Target Definitions in a single workspace. But I don't see how that would work during build time.

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Re: Use of 2.1.0 e(fx)clipse Target Definition breaks standard e4 application template. [message #1708243 is a reply to message #1708240]

Mon, 14 September 2015 18:08

Eclipse User

Paul,
If you wanted to use SWT and JFace why would you have moved to FX? If you only have a small amount of SWT (or Swing) you can do that under FX. Conversely, if you want to use a small amount of FX under SWT (or Swing) you can do that. But you need to choose a primary scheme for the GUI and GUI control of your application. The control systems are different. What is your product main control loop going to be, an FX system or a SWT system? I don't believe it can be both.

Whatever you choose, you can embed components of the other, but one system needs to be primary. See http://docs.oracle.com/javafx/2/swt_interoperability/jfxpub-swt_interoperability.htm and http://stackoverflow.com/questions/14812360/is-it-possible-to-embed-a-swt-composite-into-a-javafx-scene

Re: Use of 2.1.0 e(fx)clipse Target Definition breaks standard e4 application template. [message #1708245 is a reply to message #1708243]

Mon, 14 September 2015 18:21

Eclipse User

Excellent answer. Thanks for the links. That cleared up my confusion.

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