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Difference between revisions of "Dawn Codegen"

(Generate the EMFfragment with Dawn)
(Generate the GMF extension with Dawn)
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===Generate the GMF extension with Dawn===

Revision as of 06:50, 5 June 2011

Dawn CodeGen Tutorial

Before you start make sure that you have the following components installed:

  • EMF
  • CDO
  • Dawn
  • GMF


We will examine the Dawn Codegen by using the Acore example from the Dawn SDK. In the beginning we need to get all necessary model files. Open the Plug-ins View (Window-->Show View-->Others) as shown in the picture below.

Dawn openpluginsView.png

Now select the plug-in org.eclipse.emf.cdo.dawn.examples.acore and import it as soure plug-in

Dawn PluginsView2.png

Generate the EMF extension with Dawn

Generate the EMF plugins

Now we will generate the code as you would do it for a normal project. This means the model code, the edit plug-in and GMF diagram plug-in.


Dawn Genmodel

Now your workspace contains the plug-ins: the one containing the model code, the edit plug-in and the diagram plug-in. Now right click the the gmf gen model an examine the context menu. You will see an additional entry called "Generate Dawn Genmodel"


Running this will create a new file called acore.dawngenmodel. This model contains specific information for the Dawn generator.


For example it allows to configure the names of the extension classes generated by dawn.


Generate GMF extension with Dawn

Generate the GMF plugins

Let's generate the GMF diagram plug-in.


Generate the fragment

In a final step now right click the Dawn genmodel and choose "Generate Dawn GMF Fragment" from the context menu.


Now a fragment will be created containing all the specific extensions for your diagram.


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