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diff --git a/sandbox/org.eclipse.papyrus.newchild/src/org/eclipse/papyrus/infra/emf/newchild/runtime/NewchildManager.java b/sandbox/org.eclipse.papyrus.newchild/src/org/eclipse/papyrus/infra/emf/newchild/runtime/NewchildManager.java
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index 00000000000..2b9e2d949cd
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+++ b/sandbox/org.eclipse.papyrus.newchild/src/org/eclipse/papyrus/infra/emf/newchild/runtime/NewchildManager.java
@@ -0,0 +1,102 @@
+/*****************************************************************************
+ * Copyright (c) 2011 CEA LIST.
+ * 
+ * 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:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.emf.newchild.runtime;
+
+import java.io.IOException;
+import java.util.Set;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.papyrus.infra.emf.newchild.Activator;
+import org.eclipse.papyrus.infra.emf.newchild.MenuRoot;
+import org.eclipse.papyrus.infra.emf.newchild.NewchildConfiguration;
+import org.eclipse.papyrus.infra.emf.newchild.menu.FillElement;
+import org.eclipse.papyrus.infra.emf.newchild.menu.FillerFactory;
+import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
+
+/**
+ * A singleton manager for customizable "New child" menu.
+ * 
+ * The custom menus are defined via {@link NewchildConfiguration}, which
+ * may be registered either with an extension point, programatically, or
+ * locally (In the preferences).
+ * 
+ * Once set up, the manager simply takes a IMenuManager and a ISelection,
+ * and fills the menu according to the available {@link NewchildConfiguration}.
+ * 
+ * USAGE : NewchildManager.instance.fillMenu(IMenuManager, IStructuredSelection)
+ * 
+ * See the org.eclipse.papyrus.infra.emf.newchild.configuration extension point.
+ * 
+ * @author Camille Letavernier
+ * 
+ */
+public class NewchildManager {
+
+	/**
+	 * The ID of the menu's top element.
+	 */
+	public static final String TOP = "top"; //$NON-NLS-1$
+
+	/**
+	 * The singleton NewchildManager instance
+	 */
+	public static NewchildManager instance = new NewchildManager();
+
+	/**
+	 * The default {@link #ConstraintEngine} for this manager
+	 */
+	public MenuConstraintEngine constraintEngine;
+
+	private NewchildManager() {
+	}
+
+	/**
+	 * Fills the menuManager with a custom menu
+	 * 
+	 * The menu will be retrieved via registered {@link NewchildConfiguration}s,
+	 * depending on the given selection.
+	 * 
+	 * The menu manager should have an IContributionItem with the {@link #TOP} id ;
+	 * otherwise, the absolute position "top" won't work properly.
+	 * 
+	 * @param menuManager
+	 * @param selection
+	 */
+	public void fillMenu(IMenuManager menuManager, IStructuredSelection selection) {
+		constraintEngine = new MenuConstraintEngine();
+		try {
+			//TODO : Load that from extension point
+			NewchildConfiguration configuration = (NewchildConfiguration)EMFHelper.loadEMFModel(null, URI.createPlatformPluginURI("org.eclipse.papyrus.infra.emf.newchild/Model/NewchildConfiguration.xmi", true));
+			constraintEngine.addConfiguration(configuration);
+		} catch (IOException ex) {
+			Activator.log.error(ex);
+		}
+
+		Set<MenuRoot> roots = findRootsFor(selection);
+		if(roots.isEmpty()) {
+			return;
+		}
+
+		for(MenuRoot root : roots) {
+			Object selectedObject = selection.getFirstElement();
+			FillElement filler = FillerFactory.instance.getFiller(root, selectedObject);
+			filler.fill(menuManager);
+		}
+	}
+
+	private Set<MenuRoot> findRootsFor(IStructuredSelection selection) {
+		Set<MenuRoot> roots = constraintEngine.getDisplayUnits(selection);
+		return roots;
+	}
+}