This third part is dedicated to customization that you cannot make using the generation models. This is where you'll have to code to customize your process. But don't worry, GMF Runtime provides a lot of stuff to make it easier. The complete solution to this tutorial is maintained in CVS here. Viewlets will be available after appropriate sections below to focus their content and keep them short.
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Using EMF, models may be created and the java code for them is automatically created. Furthermore, EMF gives the possibility to generate code for an editor using the created model. This editor may be launched as an Eclipse application, which uses the defined model and gives the user the possibility to create model instances.
GMF extends this functionality: Notation symbols may be matched to model types and associations. Based on the definition of notation symbols and the matching, java code for a graphic editor can be generated. Launching it as an eclipse application, the model instances can now be created as a diagram. The model will be a very basic business process model, which consists only of events and process steps.
The goal will be to have a graphical editor, which may be used to create a business process using events and process steps.
Basically this editor will be created without writing a single line of code. Further reading: Here are the sources, which I used for creating the example. First of all we need to use the Eclipse IDE. In the following example I am using the Juno distribution, but other distributions should do fine as well. Install the following plugins:. Next step is to create an EMF Ecore model. On opening the ecorediag file an editor will show, which lets us create the model in a graphical environment.
ProcessShapes are connected using a Sequence. Create the EMF Ecore model for the business processes. In the next step, be sure, that the model folder is selected and give a name for the EMF generator model, i. Select folder and name for the EMF generator model. Select the model importer for the generator model. After, we need to select the EMF. Select the ecore model for the generator model creation.
The basepackage needs to be set to the project name and the folder, in which the model resides. Now everything is set to generate the model and the edit code. Now we may start with the graphical part, defining the notation symbols and map them to the model. The following view should open:. After being successful, the. Updated gmfgpraph file, containing the Figure Gallery. This means, that events will be represented by Ellipses and processSteps by Rectangles. The GMFGraph model should now look like this:.
The file should look like this:. Add the Guide Mapping Model Creation to the model folder of the project. Leave the following two views also like they are. The last view shows the mapping and should look like this:.
We need to make some manual amendments, i. Generate the diagram code from the gmfgen file. Run the. Now you are able to create a very basic process diagram, which consists of events and processSteps. It looks like my choice is permanently baked into the GMF dashboard. Do I have to raze my Eclipse installation to the ground and start over? Your email address will not be published.
This site uses Akismet to reduce spam. Learn how your comment data is processed. Add an empty EMF project. Add Ecore diagram. The update EMF. Add the EMF Generator model. The genmodel file of the project. Properties view of the genmodel. Generate the model and the edit code. The GMF dashboard. Creation of the GMFGraph model. Complete GMFGprah model.
Creating the GMF tooling file. Creation of the GMF tooling file. Adding the file gmfmap to the project. The mapping when creating the GMFMap file. Set the source feature to ERference source. Altering the properties of the GMFMap model. Altering mapping properties. Example of the Diagram Label assignment. Create the generator model. Add a new businessprocess diagram.
Create a basic process. Leave a Reply Cancel reply Your email address will not be published.
Learn Eclipse GMF in 15 minutes
In this tutorial, a mindmap application will be developed, as described here. This tutorial describes the functionality provided by GMF in version 2. It is expected that this tutorial will evolve with GMF to introduce new functionality as it is developed. New functionality will be covered by installments added to this tutorial, each with a corresponding viewlet. A viewlet for this installment of the tutorial can be found here. The complete solution to this tutorial is maintained in Git here.
GMF Tutorial Index
This tutorial assumes that readers are familiar with the basics of building EMF-based applications, and as a shortcut uses the Taipan tutorial introduced in the GMF Tutorial. For the purposes of this tutorial, the only knowledge required about Taipan! The required projects are as follows:. Your workspace navigator should look like this:. Whilst you could deploy the code into one of the existing projects, it is preferable to create a new project to both maintain separation of concerns and to get all the XMF project settings and supporting files that you get free when you create an XMF plugin project from scratch.
Tutorial: Supporting Containment of Shapes
Using EMF, models may be created and the java code for them is automatically created. Furthermore, EMF gives the possibility to generate code for an editor using the created model. This editor may be launched as an Eclipse application, which uses the defined model and gives the user the possibility to create model instances. GMF extends this functionality: Notation symbols may be matched to model types and associations.