1 files changed, 75 insertions, 0 deletions
diff --git a/plugins/developer/org.eclipse.papyrus.dev.assistants.codegen/src/org/eclipse/papyrus/dev/assistants/codegen/internal/handlers/GenerateModelingAssistantsFromGMFGenHandler.java b/plugins/developer/org.eclipse.papyrus.dev.assistants.codegen/src/org/eclipse/papyrus/dev/assistants/codegen/internal/handlers/GenerateModelingAssistantsFromGMFGenHandler.java
new file mode 100644
index 00000000000..1d6493f7ca2
--- /dev/null
+++ b/plugins/developer/org.eclipse.papyrus.dev.assistants.codegen/src/org/eclipse/papyrus/dev/assistants/codegen/internal/handlers/GenerateModelingAssistantsFromGMFGenHandler.java
@@ -0,0 +1,75 @@
+/*****************************************************************************
+ * Copyright (c) 2015 Christian W. Damus and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *  Christian W. Damus - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.dev.assistants.codegen.internal.handlers;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.gmf.codegen.gmfgen.GMFGenPackage;
+import org.eclipse.gmf.codegen.gmfgen.GenEditorGenerator;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.papyrus.dev.assistants.codegen.generator.GMFGenToAssistantsGenerator;
+import org.eclipse.papyrus.infra.core.utils.AdapterUtils;
+import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
+import org.eclipse.papyrus.infra.gmfdiag.assistant.util.AssistantResource;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.eclipse.ui.statushandlers.StatusManager;
+
+/**
+ * Handler for the "generate modeling assistants from GMF diagram generator model" command.
+ */
+public class GenerateModelingAssistantsFromGMFGenHandler extends AbstractHandler {
+
+	public GenerateModelingAssistantsFromGMFGenHandler() {
+		super();
+	}
+
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		ISelection selection = HandlerUtil.getCurrentSelection(event);
+		if (selection instanceof IStructuredSelection) {
+			IStructuredSelection sselection = (IStructuredSelection) selection;
+			if (!sselection.isEmpty()) {
+				IFile file = AdapterUtils.adapt(sselection.getFirstElement(), IFile.class, null);
+				final ResourceSet rset = new ResourceSetImpl();
+				try {
+					Resource resource = rset.getResource(URI.createPlatformResourceURI(file.getFullPath().toString(), true), true);
+					Object input = EcoreUtil.getObjectByType(resource.getContents(), GMFGenPackage.eINSTANCE.getGenEditorGenerator());
+					if (input instanceof GenEditorGenerator) {
+						GenEditorGenerator editor = (GenEditorGenerator) input;
+
+						GMFGenToAssistantsGenerator assistantsGenerator = new GMFGenToAssistantsGenerator(editor);
+						URI outputURI = resource.getURI().trimFileExtension().appendFileExtension(AssistantResource.FILE_EXTENSION);
+						IStatus status = assistantsGenerator.generate(editor, outputURI);
+						if (status.getSeverity() >= IStatus.ERROR) {
+							StatusManager.getManager().handle(status, StatusManager.SHOW | StatusManager.LOG);
+						}
+					}
+				} finally {
+					EMFHelper.unload(rset);
+				}
+			}
+		}
+
+		return null;
+	}
+
+}