1 files changed, 56 insertions, 0 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/internal/common/expressions/GraphicalEditPartPropertyTester.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/internal/common/expressions/GraphicalEditPartPropertyTester.java
new file mode 100644
index 00000000000..2101316c60b
--- /dev/null
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/internal/common/expressions/GraphicalEditPartPropertyTester.java
@@ -0,0 +1,56 @@
+/*****************************************************************************
+ * Copyright (c) 2014, 2016 CEA LIST, 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:
+ *   Gabriel Pascual (ALL4TEC) gabriel.pascual@all4tec.net - Initial API and implementation
+ *   Christian W. Damus - bug 485220
+ *   
+ *****************************************************************************/
+
+package org.eclipse.papyrus.infra.gmfdiag.internal.common.expressions;
+
+import static com.google.common.base.Objects.equal;
+
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
+import org.eclipse.papyrus.infra.gmfdiag.common.Activator;
+import org.eclipse.papyrus.infra.gmfdiag.common.utils.DiagramEditPartsUtil;
+
+/**
+ * Property tester to enable different actions in diagrams.
+ * 
+ * @author Gabriel Pascual
+ *
+ */
+public class GraphicalEditPartPropertyTester extends PropertyTester {
+
+	private static final String SEMANTIC_DELETION_PROPERTY = "isSemanticDeletion"; //$NON-NLS-1$
+
+	private static final String CAN_DELETE_PROPERTY = "canDelete"; //$NON-NLS-1$
+
+	public GraphicalEditPartPropertyTester() {
+		super();
+	}
+
+	@Override
+	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
+		boolean result = false;
+
+		switch (property) {
+		case SEMANTIC_DELETION_PROPERTY:
+			result = equal(expectedValue, DiagramEditPartsUtil.isSemanticDeletion((IGraphicalEditPart) receiver));
+			break;
+		case CAN_DELETE_PROPERTY:
+			boolean canDelete = Activator.getInstance().getGraphicalDeletionHelper().canDelete((IGraphicalEditPart) receiver);
+			result = equal(expectedValue, canDelete);
+			break;
+		}
+
+		return result;
+	}
+}