+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.browsing.ui.common.node;\r
+\r
+import org.eclipse.core.expressions.PropertyTester;\r
+import org.eclipse.jface.viewers.IStructuredSelection;\r
+import org.simantics.browsing.ui.NodeContext;\r
+import org.simantics.utils.ui.AdaptionUtils;\r
+\r
+public class StandardNodeTester extends PropertyTester {\r
+\r
+ /**\r
+ * Tests if the received resource is an instance of any of the URIs\r
+ * listed in the arguments.\r
+ */\r
+ private static final String FUNCTION = "standardNodeFunction";\r
+\r
+ @Override\r
+ public boolean test(final Object receiver, final String property, final Object[] args, final Object expectedValue) {\r
+\r
+// System.out.println("TEST: " + receiver + ", " + property + ", " + Arrays.toString(args) + ", " + expectedValue);\r
+\r
+ if (!(receiver instanceof IStructuredSelection))\r
+ return false;\r
+\r
+ NodeContext context = AdaptionUtils.adaptToSingle(receiver, NodeContext.class);\r
+\r
+ if (context == null)\r
+ return false;\r
+\r
+ if(FUNCTION.equals(property)) {\r
+\r
+ Object function = context.getConstant(StandardNodes.FUNCTION);\r
+ if(function == null) return false;\r
+ return args[0].equals(function.toString());\r
+\r
+ }\r
+\r
+ return false;\r
+ }\r
+\r
+}\r