[jboss-user] [jBPM] - Integrating jBPM BPMNModelEditor with eclipse RCP

[Lokesh Shiva Ramu]

Lokesh Shiva Ramu [http://community.jboss.org/people/lokeshsan] created the discussion

"Integrating jBPM BPMNModelEditor with eclipse RCP"

To view the discussion, visit: http://community.jboss.org/message/589263#589263

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Hi,

I have to integrate BPMNModelEditor with my RCP client.  I need to show the BPMNModelEditor as a page in a multipage editor.  None of the classes in the plugin "org.drools.eclipse" are exported, therefore I cannot use them.  No other means provided to plug to this editor.  When I try to open this editor by passing an IStorageEditorInput instance.  I get following exceptions.

java.lang.IllegalArgumentException: Unknown model object null
    at org.drools.eclipse.flow.ruleflow.editor.editpart.RuleFlowEditPartFactory.createEditPart(RuleFlowEditPartFactory.java:96)
    at org.eclipse.gef.ui.parts.AbstractEditPartViewer.setContents(AbstractEditPartViewer.java:626)
    at org.drools.eclipse.flow.common.editor.GenericModelEditor.initializeGraphicalViewer(GenericModelEditor.java:177)
    at org.eclipse.gef.ui.parts.GraphicalEditor.createGraphicalViewer(GraphicalEditor.java:158)
    at org.eclipse.gef.ui.parts.GraphicalEditorWithPalette.createPartControl(GraphicalEditorWithPalette.java:63)
    at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:670)
    at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465)
    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595)
    at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:289)
    at org.eclipse.ui.internal.WorkbenchPage.makeActiveEditor(WorkbenchPage.java:1268)

What I could see from code is, there is an assumption that the IEditorInput to the editor will always be of type IFileEditorInput.  The createModel() function in BPMNModelEditor, does a type cast with this assumption.  If there is a failure in constructing model, then null is set as model.

Can BPMNModelEditor be integrated with RCP application.  What is the best way to provide a jBPM editor in eclipse RCP.  I am not particular to open the jBPM editor as part of page.  Even if its a standalone page its fine.  I cannot show .jbpm files in my RCP.  I need to open jBPM editor based on stream based editor input. 

Any one who has integrated the BPMNModelEditor in there RCP application ?

Any suggestion is hightly appreciated.

Thanks and Regards,
Lokesh
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