1 files changed, 48 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/structuremergeviewer/handler/propertytester/MergedToPropertyTester.java b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/structuremergeviewer/handler/propertytester/MergedToPropertyTester.java
new file mode 100644
index 000000000..75447c35f
--- /dev/null
+++ b/plugins/org.eclipse.emf.compare.ide.ui/src/org/eclipse/emf/compare/ide/ui/internal/structuremergeviewer/handler/propertytester/MergedToPropertyTester.java
@@ -0,0 +1,48 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Obeo.
+ * 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:
+ *     Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.emf.compare.ide.ui.internal.structuremergeviewer.handler.propertytester;
+
+import org.eclipse.compare.CompareConfiguration;
+import org.eclipse.compare.CompareEditorInput;
+import org.eclipse.core.expressions.PropertyTester;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+
+/**
+ * A property tester linked with
+ * {@link org.eclipse.emf.compare.rcp.ui.internal.structuremergeviewer.handler.AbstractMergedTo}. It returns
+ * true when both model sides are editable.
+ * 
+ * @author <a href="mailto:axel.richard@obeo.fr">Axel Richard</a>
+ * @since 3.0
+ */
+public class MergedToPropertyTester extends PropertyTester {
+
+	/**
+	 * {@inheritDoc}
+	 * 
+	 * @see org.eclipse.core.expressions.PropertyTester#test(java.lang.Object, java.lang.String,
+	 *      java.lang.Object[], java.lang.Object)
+	 */
+	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
+		if (receiver instanceof IEditorPart) {
+			IEditorInput i = ((IEditorPart)receiver).getEditorInput();
+			if (i instanceof CompareEditorInput) {
+				CompareConfiguration configuration = ((CompareEditorInput)i).getCompareConfiguration();
+				if (configuration.isLeftEditable() && configuration.isRightEditable()) {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+}