// Java 3Dテスト用アプレット
// AppearanceTest.java
//   Copyright (c) 1999 ENDO Yasuyuki
//                      mailto:yasuyuki@timedia.co.jp
//                      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;

public class AppearanceTest extends Applet {
  Appearance ap = null;

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

    Panel panel = new Panel();
    this.add(panel, BorderLayout.NORTH);

    panel.add(new Label("Width"));
    TextField tfield = new TextField("1.0", 8);
    tfield.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        float width = 1.0f;
        try {
          width = Float.parseFloat(e.getActionCommand());
          System.out.println(width);
          ap.getLineAttributes().setLineWidth(width);
        } catch (NumberFormatException ex) { }
      }
    });
    panel.add(tfield);

    panel.add(new Label("Pattern"));
    Choice choice = new Choice();
    choice.add("PATTERN_SOLID");
    choice.add("PATTERN_DASH");
    choice.add("PATTERN_DOT");
    choice.add("PATTERN_DASH_DOT");
    choice.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        String item = (String)e.getItem();
        System.out.println(item);
        if (item.equals("PATTERN_SOLID")) {
          ap.getLineAttributes().setLinePattern(LineAttributes.PATTERN_SOLID);
        } else if (item.equals("PATTERN_DASH")) {
          ap.getLineAttributes().setLinePattern(LineAttributes.PATTERN_DASH);
        } else if (item.equals("PATTERN_DOT")) {
          ap.getLineAttributes().setLinePattern(LineAttributes.PATTERN_DOT);
        } else if (item.equals("PATTERN_DASH_DOT")) {
          ap.getLineAttributes().setLinePattern(LineAttributes.PATTERN_DASH_DOT);
        }
      }
    });
    panel.add(choice);
    
    Checkbox check = new Checkbox("Antialias", false);
    check.addItemListener( new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
	int state = e.getStateChange();
	if (state == ItemEvent.SELECTED) {
	  ap.getLineAttributes().setLineAntialiasingEnable(true);
	} else if (state == ItemEvent.DESELECTED) {
	  ap.getLineAttributes().setLineAntialiasingEnable(false);
	}
      }
    });
    panel.add(check);

    GraphicsConfiguration config =
      SimpleUniverse.getPreferredConfiguration();
    Canvas3D canvas = new Canvas3D(config);
    this.add(canvas, BorderLayout.CENTER);

    SimpleUniverse universe = new SimpleUniverse(canvas);
    universe.getViewingPlatform().setNominalViewingTransform();

    BranchGroup scene = createSceneGraph();

    universe.addBranchGraph(scene);
  }

  private BranchGroup createSceneGraph() {
    BranchGroup root = new BranchGroup();

    Point3d[] vertices = new Point3d[6];
    
    vertices[0] = new Point3d(-0.7, -0.1, 0.0);
    vertices[1] = new Point3d(-0.3, -0.7, 0.0);
    vertices[2] = new Point3d(0.2, -0.7, 0.0);
    vertices[3] = new Point3d(0.8, 0.0, 0.0);
    vertices[4] = new Point3d(0.6, 0.4, 0.0);
    vertices[5] = new Point3d(-0.6, 0.6, 0.0);
    
    LineArray geometry = new LineArray(vertices.length, GeometryArray.COORDINATES);
    geometry.setCoordinates(0, vertices);
    
    Shape3D shape = new Shape3D(geometry);
    
    ap = new Appearance();
    ap.setCapability(Appearance.ALLOW_LINE_ATTRIBUTES_READ);

    LineAttributes lattr = new LineAttributes();
    lattr.setCapability(LineAttributes.ALLOW_WIDTH_WRITE);
    lattr.setCapability(LineAttributes.ALLOW_PATTERN_WRITE);
    lattr.setCapability(LineAttributes.ALLOW_ANTIALIASING_WRITE);
    lattr.setLineWidth(1.0f);
    lattr.setLinePattern(LineAttributes.PATTERN_SOLID);
    ap.setLineAttributes(lattr);
    
    shape.setAppearance(ap);
    
    root.addChild(shape);

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