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[EMF Forms] Custom Databinding converters [message #1750404]

Tue, 20 December 2016 18:28

Regent LArcheveque

Messages: 94
Registered: May 2010

Member

Hi,

I have a model that contains EAttribute with annotations used to define the engineering units such as Celcius or kilometers etc. These annotations are based on the JScience package (javax.measure.unit.Unit). I use EMFForms Renderer Service to contribute custom SWT control to display the units. This works well. Now, I'd like to know how if it is possible to contribute custom converters to the EMFForms databindings. This would allow me to convert data specified in an engineering format into a different but compatible engineering format (e.g. km/h into miles/h, lbs to kg). I do not know where to implement and specify the databinding converters.

Thanks for your help.

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Re: [EMF Forms] Custom Databinding converters [message #1750465 is a reply to message #1750404]

Wed, 21 December 2016 10:35

Eugen Neufeld

Messages: 174
Registered: May 2015

Senior Member

Hi,
as you already have custom controls, you can override the org.eclipse.emf.ecp.view.spi.core.swt.SimpleControlSWTControlSWTRenderer.createBindings(Control) method.
Take a look at the NumberControlSWTRenderer how it overrides the createBindings with custom converter etc.

Cheers,
Eugen
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Eugen Neufeld

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