diff -r bdc3f1b79fb7 -r a00905527ec2 jdk/test/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/spinner/MandelbrotControl.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/spinner/MandelbrotControl.java	Wed Mar 30 19:05:58 2016 -0700
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2007, 2016, 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.swingset3.demos.spinner;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.geom.Point2D;
+import javax.swing.event.ChangeListener;
+import javax.swing.event.ChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyChangeEvent;
+
+import com.sun.swingset3.demos.ResourceManager;
+
+/**
+ * @author Mikhail Lapshin
+ */
+public class MandelbrotControl extends JPanel {
+
+    private final JMandelbrot mandelbrot;
+    private JSpinner iterSpinner;
+    private CoordSpinner xSpinner;
+    private CoordSpinner ySpinner;
+    private static final double COORD_SPINNER_STEP = 0.1d; // part of width or height
+    private final ResourceManager resourceManager;
+
+    public MandelbrotControl(JMandelbrot mandelbrot,
+            ResourceManager resourceManager) {
+        this.mandelbrot = mandelbrot;
+        this.resourceManager = resourceManager;
+        createUI();
+        installListeners();
+    }
+
+    private void createUI() {
+        setLayout(new FlowLayout(FlowLayout.LEADING, 5, 0));
+        setBorder(BorderFactory.createTitledBorder(
+                resourceManager.getString("SpinnerDemo.fractalControls")));
+        JSpinnerPanel spinnerPanel = new JSpinnerPanel();
+
+        //<snip>Create spinner
+        iterSpinner = new JSpinner(new SpinnerNumberModel(
+                mandelbrot.getMaxIteration(), 10, 100000, 50));
+        //</snip>
+        //<snip>Add change listener using anonymus inner class
+        iterSpinner.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                mandelbrot.setMaxIteration((Integer) iterSpinner.getValue());
+                mandelbrot.calculatePicture();
+            }
+        });
+        //</snip>
+        spinnerPanel.addSpinner(
+                resourceManager.getString("SpinnerDemo.iterations"), iterSpinner);
+
+        //<snip>Create spinner
+        final double xValue = mandelbrot.getCenter().getX();
+        double width = mandelbrot.getXHighLimit() - mandelbrot.getXLowLimit();
+        xSpinner = new CoordSpinner(xValue, width * COORD_SPINNER_STEP);
+        //</snip>
+        //<snip>Add change listener using anonymus inner class
+        xSpinner.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                Double newX = (Double) xSpinner.getValue();
+                mandelbrot.setCenter(new Point2D.Double(
+                        newX, mandelbrot.getCenter().getY()));
+                mandelbrot.calculatePicture();
+            }
+        });
+        //</snip>
+        spinnerPanel.addSpinner(
+                resourceManager.getString("SpinnerDemo.x"), xSpinner);
+
+        //<snip>Create spinner
+        final double yValue = mandelbrot.getCenter().getY();
+        double height = mandelbrot.getYHighLimit() - mandelbrot.getYLowLimit();
+        ySpinner = new CoordSpinner(yValue, height * COORD_SPINNER_STEP);
+        //</snip>
+        //<snip>Add change listener using anonymus inner class
+        ySpinner.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                Double newY = (Double) ySpinner.getValue();
+                mandelbrot.setCenter(new Point2D.Double(
+                        mandelbrot.getCenter().getX(), newY));
+                mandelbrot.calculatePicture();
+            }
+        });
+        //</snip>
+        spinnerPanel.addSpinner(
+                resourceManager.getString("SpinnerDemo.y"), ySpinner);
+
+        add(spinnerPanel);
+    }
+
+    private void installListeners() {
+        mandelbrot.addPropertyChangeListener(
+                JMandelbrot.CENTER_PROPERTY_NAME,
+                new PropertyChangeListener() {
+            @Override
+            public void propertyChange(PropertyChangeEvent evt) {
+                double width = mandelbrot.getXHighLimit()
+                        - mandelbrot.getXLowLimit();
+                double newX = mandelbrot.getCenter().getX();
+                xSpinner.updateModel(newX, width * COORD_SPINNER_STEP);
+                double height = mandelbrot.getYHighLimit()
+                        - mandelbrot.getYLowLimit();
+                double newY = mandelbrot.getCenter().getY();
+                ySpinner.updateModel(newY, height * COORD_SPINNER_STEP);
+            }
+        }
+        );
+    }
+
+    //<snip>Customized spinner class
+    // It uses special format for NumberEditor and has constant preferred width
+    private static class CoordSpinner extends JSpinner {
+
+        @Override
+        protected JComponent createEditor(SpinnerModel model) {
+            return new NumberEditor(this, "#.####################");
+        }
+
+        public CoordSpinner(double value, double stepSize) {
+            super(new SpinnerNumberModel(value, -100, 100, stepSize));
+        }
+
+        //A useful shortcut method
+        public void updateModel(double value, double stepSize) {
+            SpinnerNumberModel model = (SpinnerNumberModel) getModel();
+            model.setValue(value);
+            model.setStepSize(stepSize);
+        }
+
+        @Override
+        public Dimension getPreferredSize() {
+            Dimension prefSize = super.getPreferredSize();
+            prefSize.setSize(180, prefSize.getHeight());
+            return prefSize;
+        }
+    }
+    //</snip>
+}