// Java 3D Test Applet
// MaterialTest.java
//   Copyright (c) 1999 ENDO Yasuyuki
//                      mailto:yasuyuki@javaopen.org
//                      http://www.javaopen.org/j3dbook/index.html

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.SimpleUniverse;
import com.sun.j3d.utils.geometry.Sphere;

public class MaterialTest extends Applet {
  private Material material = new Material();
  private AmbientLight ambientLight = new AmbientLight();

  public MaterialTest() {
    this.setLayout(new BorderLayout());

    Panel uppanel = new Panel();
    uppanel.setLayout(new GridLayout(3, 2));
    this.add(uppanel, BorderLayout.NORTH);
    
    Panel[] uppanels = new Panel[6];
    for (int i=0; i<6; i++) {
      uppanels[i] = new Panel();
      uppanels[i].setLayout(new BorderLayout());
      uppanel.add(uppanels[i]);
    }

    final TextField drfield = new TextField("0.0");
    final Scrollbar drbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    
    drfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getDiffuseColor(color);
          color.x = value;
          material.setDiffuseColor(color);
          drbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    uppanels[0].add(drfield, BorderLayout.WEST);

    drbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getDiffuseColor(color);
        color.x = value;
        material.setDiffuseColor(color);
        drfield.setText(Float.toString(value));
      }
    });
    uppanels[0].add(drbar, BorderLayout.CENTER);
    
    final TextField dgfield = new TextField("0.0");
    final Scrollbar dgbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    
    dgfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getDiffuseColor(color);
          color.y = value;
          material.setDiffuseColor(color);
          dgbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    uppanels[2].add(dgfield, BorderLayout.WEST);

    dgbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getDiffuseColor(color);
        color.y = value;
        material.setDiffuseColor(color);
        dgfield.setText(Float.toString(value));
      }
    });
    uppanels[2].add(dgbar, BorderLayout.CENTER);
    
    final TextField dbfield = new TextField("1.0");
    final Scrollbar dbbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    dbbar.setValue(1000);
    
    dbfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getDiffuseColor(color);
          color.z = value;
          material.setDiffuseColor(color);
          dbbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    uppanels[4].add(dbfield, BorderLayout.WEST);

    dbbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getDiffuseColor(color);
        color.z = value;
        material.setDiffuseColor(color);
        dbfield.setText(Float.toString(value));
      }
    });
    uppanels[4].add(dbbar, BorderLayout.CENTER);


    final TextField erfield = new TextField("0.0");
    final Scrollbar erbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    
    erfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getEmissiveColor(color);
          color.x = value;
          material.setEmissiveColor(color);
          erbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    uppanels[1].add(erfield, BorderLayout.WEST);

    erbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getEmissiveColor(color);
        color.x = value;
        material.setEmissiveColor(color);
        erfield.setText(Float.toString(value));
      }
    });
    uppanels[1].add(erbar, BorderLayout.CENTER);
    
    final TextField egfield = new TextField("0.0");
    final Scrollbar egbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    
    egfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getEmissiveColor(color);
          color.y = value;
          material.setEmissiveColor(color);
          egbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    uppanels[3].add(egfield, BorderLayout.WEST);

    egbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getEmissiveColor(color);
        color.y = value;
        material.setEmissiveColor(color);
        egfield.setText(Float.toString(value));
      }
    });
    uppanels[3].add(egbar, BorderLayout.CENTER);
    
    final TextField ebfield = new TextField("0.0");
    final Scrollbar ebbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    
    ebfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getEmissiveColor(color);
          color.z = value;
          material.setEmissiveColor(color);
          ebbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    uppanels[5].add(ebfield, BorderLayout.WEST);

    ebbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getEmissiveColor(color);
        color.z = value;
        material.setEmissiveColor(color);
        ebfield.setText(Float.toString(value));
      }
    });
    uppanels[5].add(ebbar, BorderLayout.CENTER);

    Panel downpanel = new Panel();
    downpanel.setLayout(new GridLayout(4, 2));
    this.add(downpanel, BorderLayout.SOUTH);
    
    Panel[] downpanels = new Panel[7];
    for (int i=0; i<7; i++) {
      downpanels[i] = new Panel();
      downpanels[i].setLayout(new BorderLayout());
      downpanel.add(downpanels[i]);
    }
    
    final TextField srfield = new TextField("1.0");
    final Scrollbar srbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    srbar.setValue(1000);
    
    srfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getSpecularColor(color);
          color.x = value;
          material.setSpecularColor(color);
          srbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[0].add(srfield, BorderLayout.WEST);

    srbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getSpecularColor(color);
        color.x = value;
        material.setSpecularColor(color);
        srfield.setText(Float.toString(value));
      }
    });
    downpanels[0].add(srbar, BorderLayout.CENTER);
    
    final TextField sgfield = new TextField("1.0");
    final Scrollbar sgbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    sgbar.setValue(1000);
    
    sgfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getSpecularColor(color);
          color.y = value;
          material.setSpecularColor(color);
          sgbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[2].add(sgfield, BorderLayout.WEST);

    sgbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getSpecularColor(color);
        color.y = value;
        material.setSpecularColor(color);
        sgfield.setText(Float.toString(value));
      }
    });
    downpanels[2].add(sgbar, BorderLayout.CENTER);
    
    final TextField sbfield = new TextField("1.0");
    final Scrollbar sbbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    sbbar.setValue(1000);
    
    sbfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getSpecularColor(color);
          color.z = value;
          material.setSpecularColor(color);
          sbbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[4].add(sbfield, BorderLayout.WEST);

    sbbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getSpecularColor(color);
        color.z = value;
        material.setSpecularColor(color);
        sbfield.setText(Float.toString(value));
      }
    });
    downpanels[4].add(sbbar, BorderLayout.CENTER);
    
    final TextField tfield = new TextField("64.0");
    final Scrollbar bar = new Scrollbar(Scrollbar.HORIZONTAL, 1, 1, 1, 129);
    bar.setValue(64);

    tfield.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 1.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 1.0f) value = 1.0f;
          if (value > 128.0f) value = 128.0f;
          material.setShininess(value);
          bar.setValue((int)value);
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[6].add(tfield, BorderLayout.WEST);
    
    bar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)e.getValue();
        material.setShininess(value);
        tfield.setText(Float.toString(value));
      }
    });
    downpanels[6].add(bar, BorderLayout.CENTER);

    final TextField arfield = new TextField("0.2");
    final Scrollbar arbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    arbar.setValue(200);
    
    arfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getAmbientColor(color);
          color.x = value;
          material.setAmbientColor(color);
          arbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[1].add(arfield, BorderLayout.WEST);

    arbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getAmbientColor(color);
        color.x = value;
        material.setAmbientColor(color);
        arfield.setText(Float.toString(value));
      }
    });
    downpanels[1].add(arbar, BorderLayout.CENTER);
    
    final TextField agfield = new TextField("0.2");
    final Scrollbar agbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    agbar.setValue(200);
    
    agfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getAmbientColor(color);
          color.y = value;
          material.setAmbientColor(color);
          agbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[3].add(agfield, BorderLayout.WEST);

    agbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getAmbientColor(color);
        color.y = value;
        material.setAmbientColor(color);
        agfield.setText(Float.toString(value));
      }
    });
    downpanels[3].add(agbar, BorderLayout.CENTER);
    
    final TextField abfield = new TextField("0.2");
    final Scrollbar abbar = new Scrollbar(Scrollbar.HORIZONTAL, 0, 1, 0, 1001);
    abbar.setValue(200);
    
    abfield.addActionListener( new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float value = 0.0f;
        try {
          value = Float.parseFloat(e.getActionCommand());
          if (value < 0.0f) value = 0.0f;
          if (value > 1.0f) value = 1.0f;
          Color3f color = new Color3f();
          material.getAmbientColor(color);
          color.z = value;
          material.setAmbientColor(color);
          abbar.setValue((int)(value * 1000.0f));
        } catch (NumberFormatException ex) {}
      }
    });
    downpanels[5].add(abfield, BorderLayout.WEST);

    abbar.addAdjustmentListener( new AdjustmentListener() {
      public void adjustmentValueChanged(AdjustmentEvent e) {
        float value = (float)(e.getValue()) / 1000.0f;
        Color3f color = new Color3f();
        material.getAmbientColor(color);
        color.z = value;
        material.setAmbientColor(color);
        abfield.setText(Float.toString(value));
      }
    });
    downpanels[5].add(abbar, BorderLayout.CENTER);
    
    
    Checkbox checkbox = new Checkbox("AmbientLight", true);
    checkbox.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        switch (e.getStateChange()) {
          case ItemEvent.SELECTED:
	    ambientLight.setEnable(true);
            break;
          case ItemEvent.DESELECTED:
	    ambientLight.setEnable(false);
            break;
        }
      }
    });
    downpanel.add(checkbox);

    GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
    Canvas3D canvas = new Canvas3D(config);
    this.add(canvas, BorderLayout.CENTER);
    
    SimpleUniverse universe = new SimpleUniverse(canvas);
    universe.getViewingPlatform().setNominalViewingTransform();
    
    universe.addBranchGraph( createSceneGraph() );
  }
  
  private BranchGroup createSceneGraph() {
    BranchGroup root = new BranchGroup();

    BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);

    DirectionalLight light =
      new DirectionalLight( new Color3f(1.0f, 1.0f, 1.0f),
                            new Vector3f(-0.5f, -0.5f, -0.7f) );
    light.setInfluencingBounds(bounds);
    root.addChild(light);

    material.setCapability(Material.ALLOW_COMPONENT_READ);
    material.setCapability(Material.ALLOW_COMPONENT_WRITE);
    material.setDiffuseColor( new Color3f(0.0f, 0.0f, 0.8f) );
    Appearance ap = new Appearance();
    ap.setMaterial(material);

    Sphere sphere = new Sphere(0.6f, ap);
    root.addChild(sphere);
    
    ambientLight.setCapability(Light.ALLOW_STATE_WRITE);
    ambientLight.setInfluencingBounds(bounds);
    root.addChild(ambientLight);

    return root;
  }

  public static void main(String[] args) {
    MaterialTest applet = new MaterialTest();
    Frame frame = new MainFrame(applet, 500, 500);
  }
}