1 files changed, 41 insertions, 0 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/internal/service/EditPolicyProviderServiceImpl.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/internal/service/EditPolicyProviderServiceImpl.java
new file mode 100644
index 00000000000..ad13bf561cc
--- /dev/null
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/internal/service/EditPolicyProviderServiceImpl.java
@@ -0,0 +1,41 @@
+/*****************************************************************************
+ * Copyright (c) 2018 EclipseSource 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:
+ *   EclipseSource - Initial API and implementation (Bug 533701)
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.gmfdiag.common.internal.service;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.gef.EditPart;
+import org.eclipse.gmf.runtime.diagram.ui.services.editpolicy.IEditPolicyProvider;
+import org.eclipse.papyrus.infra.gmfdiag.common.service.EditPolicyProviderService;
+import org.eclipse.papyrus.infra.gmfdiag.common.service.EditPolicyProviderTester;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Reference;
+
+import com.google.common.base.Predicates;
+
+@Component
+public class EditPolicyProviderServiceImpl implements EditPolicyProviderService {
+
+	private Set<EditPolicyProviderTester> testers = new HashSet<>();
+
+	@Override
+	public boolean isEnabled(IEditPolicyProvider provider, EditPart editPart) {
+		return testers.stream().map(tester -> tester.isEnabled(provider, editPart)).noneMatch(Predicates.equalTo(Boolean.FALSE));
+	}
+
+	@Reference
+	public void registerTester(EditPolicyProviderTester tester) {
+		testers.add(tester);
+	}
+}