Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.common / src / org / simantics / browsing / ui / common / node / StandardNodeTester.java

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/node/StandardNodeTester.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/node/StandardNodeTester.java
new file mode 100644 (file)
index 0000000..600c1a1
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/node/StandardNodeTester.java
@@ -0,0 +1,51 @@
+/*******************************************************************************\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