Navigator: Align with JFX Context Menu Changes

Issue-Ref: 3922
Issue-Url: https://af3-developer.fortiss.org/issues/3922

Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.af3.rcp.application/src/org/fortiss/af3/rcp/application/.ratings

 AF3Application.java 9bd897f7c02bfffc9be41c4fcb9ceca088a574b4 GREEN
 AF3ApplicationActivator.java cf948c7116dae2311d06e2fa54f51fd05aa3f2e8 GREEN
-NewProjectContextMenu.java cda28ae7d66ca140f24d13ec2e205c02068c3dc1 GREEN
+NewProjectContextMenu.java 41211702d344db4639d43c64026d82f454fbda40 YELLOW

org.fortiss.af3.rcp.application/src/org/fortiss/af3/rcp/application/NewProjectContextMenu.java

@@ -24,11 +24,14 @@ import java.util.List;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.jface.action.ActionContributionItem;
 import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.ui.internal.actions.CommandAction;
 import org.fortiss.tooling.kernel.ui.extension.IContextMenuContributor;
 import org.fortiss.tooling.kernel.ui.extension.data.ContextMenuContextProvider;
 import org.fortiss.tooling.kernel.ui.service.IContextMenuService;
 import org.fortiss.tooling.kernel.ui.service.INavigatorService;
 
+import javafx.scene.control.MenuItem;
+
 /**
  * Context menu contributions to include new project action.
  * 
@@ -36,6 +39,31 @@ import org.fortiss.tooling.kernel.ui.service.INavigatorService;
  */
 public class NewProjectContextMenu implements IContextMenuContributor {
 
+	/** {@inheritDoc} */
+	@Override
+	public List<MenuItem> getContributedMenuItems(EObject selection,
+			ContextMenuContextProvider contextProvider) {
+		// if the user right-clicks in an empty area (no selection)
+		if(selection == null && INavigatorService.getInstance().isNavigatorView(contextProvider) &&
+				getNewAF3ProjectAction() != null && getNewAF3LibraryAction() != null) {
+			// add possibility to create new projects to context menu
+			List<MenuItem> contributionItems = new ArrayList<>();
+
+			CommandAction newPrj = getNewAF3ProjectAction();
+			MenuItem newPrjItem = new MenuItem(newPrj.getText());
+			newPrjItem.setOnAction(dv -> newPrj.run());
+			contributionItems.add(newPrjItem);
+
+			CommandAction newAf3Library = getNewAF3LibraryAction();
+			MenuItem newAf3LibraryItem = new MenuItem(newAf3Library.getText());
+			newAf3LibraryItem.setOnAction(dv -> newAf3Library.run());
+			contributionItems.add(newAf3LibraryItem);
+
+			return contributionItems;
+		}
+		return null;
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	public List<IContributionItem> getContributedItems(EObject selection,