/*

 * 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

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 */

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>

}