--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/visualizer/FilterWindow/src/com/sun/hotspot/igv/filterwindow/CheckNode.java	Tue Feb 07 22:41:09 2012 +0100
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+package com.sun.hotspot.igv.filterwindow;
+
+import com.sun.hotspot.igv.data.ChangedEvent;
+import org.openide.nodes.AbstractNode;
+import org.openide.nodes.Children;
+import org.openide.util.Lookup;
+
+/**
+ *
+ * @author Thomas Wuerthinger
+ */
+public class CheckNode extends AbstractNode {
+
+    private ChangedEvent<CheckNode> selectionChangedEvent;
+    public boolean selected;
+    public boolean enabled;
+
+    public CheckNode(Children c, Lookup lookup) {
+        super(c, lookup);
+        selectionChangedEvent = new ChangedEvent<>(this);
+        selected = false;
+        enabled = true;
+    }
+
+    public ChangedEvent<CheckNode> getSelectionChangedEvent() {
+        return selectionChangedEvent;
+    }
+
+    public boolean isSelected() {
+        return selected;
+    }
+
+    public void setSelected(boolean b) {
+        if (b != selected) {
+            selected = b;
+            selectionChangedEvent.fire();
+        }
+    }
+
+    public void setEnabled(boolean b) {
+        enabled = b;
+    }
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+}