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MvcUiModule dependency on PlatformUI [message #1736099]

Sat, 25 June 2016 21:38

Robert Onslow

Messages: 27
Registered: March 2016

Junior Member

I'm using GEF4/MVC which needs to integrate into a pure E4/SWT application

This means I do, in my view

@PostConstruct
public void createPartControl(Composite parent) {

Guice.createInjector(new MvcFxModule(), new MvcFxUiModule());
//..create the FX component here

IFXCanvasFactory canvasFactory = injector.getInstance(IFCanvasFactory.class);
FXCanvas canvas = canvasFactory.createCanvas(parent, SWT.NONE);
canvas.setScene(scene);

However I get

java.lang.IllegalStateException: Workbench has not been created yet.
at org.eclipse.ui.PlatformUI.getWorkbench(PlatformUI.java:93)
at org.eclipse.gef4.mvc.ui.MvcUiModule.bindIOperationHistory(MvcUiModule.java:38)

This shows a dependency of MvcFXUIModule on the E3 compatability layer.

Could this dependency be removed?

Robert

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Re: MvcUiModule dependency on PlatformUI [message #1736101 is a reply to message #1736099]

Sun, 26 June 2016 00:41

Colin Sharples

Messages: 96
Registered: July 2009
Location: Wellington, New Zealand

Member

The MVC.UI and MVC.FX.UI modules are for integrating GEF4 with an Eclipse application, so the dependency on PlatformUI is intentional and necessary for integrating with the Eclipse platform. You shouldn't be using MxcFxUiModule in a pure e4 application.

I found it pretty hard to get JavaFX running inside an e4/SWT application, and ended up re-writing my app as a pure JavaFX application, which (IMHO) is a lot better anyway. JavaFX is so much nicer than SWT, and I ended up with a lot less code in the end.

Colin Sharples
CTG Games Ltd
Wellington, New Zealand

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