import java.awt.Color;
import javax.media.opengl.GL;
import javax.media.opengl.GLAutoDrawable;
import com.sun.opengl.util.Animator;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.media.opengl.GLCanvas;
import javax.media.opengl.GLCapabilities;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.UIManager;
import javax.swing.WindowConstants;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.glu.GLU;


public class Grasoft extends JFrame {

    static {
        // When using a GLCanvas, we have to set the Popup-Menues to be HeavyWeight,
        // so they display properly on top of the GLCanvas
        JPopupMenu.setDefaultLightWeightPopupEnabled(false);
    }

    private Animator animator;

    /** Creates new form MainFrame */
    public Grasoft() {
        initComponents();
        setTitle("Grasoft");

        canvas.addGLEventListener(new GLRenderer());

        animator = new Animator(canvas);

        // This is a workaround for the GLCanvas not adjusting its size, when the frame is resized.
        canvas.setMinimumSize(new Dimension());

        this.addWindowListener(new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent e) {
                // Run this on another thread than the AWT event queue to
                // make sure the call to Animator.stop() completes before
                // exiting
                new Thread(new Runnable() {

                    public void run() {
                        animator.stop();
                        System.exit(0);
                    }
                }).start();
            }
        });
    }

    @Override
    public void setVisible(boolean show){
        if(!show)
            animator.stop();
        super.setVisible(show);
        if(!show)
            animator.start();
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
     private void initComponents() {
        JLabel label = new JLabel();
        canvas = new GLCanvas(createGLCapabilites());

        jPanel1 = new JPanel();
        jButton1 = new JButton();
        jButton2 = new JButton();
        jButton3 = new JButton();
        jButton4 = new JButton();
        jButton5 = new JButton();
        jPanel2 = new JPanel();
        jButton6 = new JButton();
        jButton7 = new JButton();
        jButton8 = new JButton();
        jButton9 = new JButton();
        jButton10 = new JButton();
         jColorChooser1 = new JColorChooser();

        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

        label.setText("                         Grasoft                                                  ");

        jPanel1.setForeground(new Color(204, 204, 255));

        jButton1.setText("Line");
 

        jButton2.setText("Rectangle");

        jButton3.setText("Triangle");

        jButton4.setText("Circle");

        jButton5.setText("Polygon");


        GroupLayout jPanel1Layout = new GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(Alignment.LEADING)
                    .addComponent(jButton5)
                    .addGroup(jPanel1Layout.createParallelGroup(Alignment.TRAILING, false)
                        .addComponent(jButton3, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(jButton2, Alignment.LEADING))
                    .addComponent(jButton4)
                    .addComponent(jButton1))
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addComponent(jButton1)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addComponent(jButton2)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addComponent(jButton3)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addComponent(jButton4)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addComponent(jButton5))
        );

        jButton6.setText("Translate");

        jButton7.setText("Rotate");

        jButton8.setText("Scale");

        jButton9.setText("Shear");

        jButton10.setText("Exit");
        

        GroupLayout jPanel2Layout = new GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel2Layout.createParallelGroup(Alignment.LEADING)
                    .addComponent(jButton6)
                    .addComponent(jButton7)
                    .addComponent(jButton8)
                    .addComponent(jButton9)
                    .addComponent(jButton10))
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addComponent(jButton6)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addComponent(jButton7)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addComponent(jButton8)
                .addPreferredGap(ComponentPlacement.UNRELATED)
                .addComponent(jButton9)
                .addPreferredGap(ComponentPlacement.UNRELATED)
                .addComponent(jButton10)
                .addContainerGap(131, Short.MAX_VALUE))
        );

        GroupLayout layout = new GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(Alignment.LEADING)
                    .addComponent(label)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(Alignment.LEADING)
                            .addComponent(jPanel1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                            .addComponent(jPanel2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(ComponentPlacement.RELATED)
                        .addComponent(canvas, GroupLayout.PREFERRED_SIZE, 602, GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(label, GroupLayout.PREFERRED_SIZE, 21, GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanel1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                        .addGap(61, 61, 61)
                        .addComponent(jPanel2, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addComponent(canvas, GroupLayout.DEFAULT_SIZE, 472, Short.MAX_VALUE))
                .addContainerGap())
        );

        GroupLayout layout1 = new GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(Alignment.LEADING)
                            .addComponent(jColorChooser1, GroupLayout.DEFAULT_SIZE, 1222, Short.MAX_VALUE)
                            .addGroup(layout.createSequentialGroup()
                                .addGroup(layout.createParallelGroup(Alignment.LEADING)
                                    .addComponent(jPanel2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                                    .addComponent(jPanel1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                                .addGap(34, 34, 34)
                                .addComponent(canvas, GroupLayout.DEFAULT_SIZE, 1075, Short.MAX_VALUE))))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(286, 286, 286)
                        .addComponent(label)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(label, GroupLayout.PREFERRED_SIZE, 21, GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanel1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                        .addGap(40, 40, 40)
                        .addComponent(jPanel2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
                    .addComponent(canvas, GroupLayout.PREFERRED_SIZE, 543, GroupLayout.PREFERRED_SIZE))
                .addGap(35, 35, 35)
                .addComponent(jColorChooser1, GroupLayout.PREFERRED_SIZE, 226, GroupLayout.PREFERRED_SIZE)
                .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    // </editor-fold>
// </editor-fold>

          // Variables declaration - do not modify//GEN-BEGIN:variables

    // End of variables declaration//GEN-END:variables

    }


    /**
     * Called from within initComponents().
     * hint: to customize the generated code choose 'Customize Code' in the contextmenu
     * of the selected UI Component you wish to cutomize in design mode.
     * @return Returns customized GLCapabilities.
     */
    private GLCapabilities createGLCapabilites() {

        GLCapabilities capabilities = new GLCapabilities();
        capabilities.setHardwareAccelerated(true);

        // try to enable 2x anti aliasing - should be supported on most hardware
       // capabilities.setNumSamples(2);
        //capabilities.setSampleBuffers(true);

        return capabilities;
    }

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        // Run this in the AWT event thread to prevent deadlocks and race conditions
        EventQueue.invokeLater(new Runnable() {
            public void run() {

                // switch to system l&f for native font rendering etc.
                try{
                    UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
                }catch(Exception ex) {
                    Logger.getLogger(getClass().getName()).log(Level.INFO, "can not enable system look and feel", ex);
                }

                Grasoft frame = new Grasoft();
                frame.setSize(1280,768);
                frame.setVisible(true);
            }
        });
    }


    public class GLRenderer implements GLEventListener {

    public void init(GLAutoDrawable drawable) {
        // Use debug pipeline
        // drawable.setGL(new DebugGL(drawable.getGL()));

        GL gl = drawable.getGL();
        System.err.println("INIT GL IS: " + gl.getClass().getName());

        // Enable VSync
        gl.setSwapInterval(1);

        // Setup the drawing area and shading mode
        gl.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
        gl.glShadeModel(GL.GL_SMOOTH); // try setting this to GL_FLAT and see what happens.



    }

    public void reshape (GLAutoDrawable drawable, int x, int y, int width, int height)  {
        GL gl = drawable.getGL();
        GLU glu = new GLU();

        if (height <= 0) { // avoid a divide by zero error!

            height = 1;
        }
        final float h = (float) width / (float) height;
        gl.glViewport(0,0, 700, 700);

        ///gl.glViewport(0, 0, height, width);
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        glu.gluPerspective(45.0f, h, 1.0, 20.0);
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glLoadIdentity();
    }

    private void drawLine(GL gl, float mode)
    {
                // Move the "drawing cursor" around
        gl.glTranslatef(-1.5f, 0.0f, -6.0f);

        // Drawing Using Triangles
        gl.glBegin(GL.GL_LINES);
            gl.glColor3f(1.0f, 1.0f, 0.0f);    // Set the current drawing color to red
            gl.glVertex3f(0.0f, 1.0f, 0.0f);   // Top
            gl.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
            // Finished Drawing The Triangle
        gl.glEnd();
        gl.glFlush();
    }

    private void drawTriangle(GL gl, float mode)
    {
                // Move the "drawing cursor" around
        //gl.glTranslatef(-1.5f, 0.0f, -6.0f);

        // Drawing Using Triangles
        gl.glBegin(GL.GL_TRIANGLES);
            gl.glColor3f(1.0f, 0.0f, 0.0f);    // Set the current drawing color to red
            gl.glVertex3f(0.0f, 1.0f, 0.0f);   // Top
            gl.glColor3f(0.0f, 1.0f, 0.0f);    // Set the current drawing color to green
            gl.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
            gl.glColor3f(0.0f, 0.0f, 1.0f);    // Set the current drawing color to blue
            gl.glVertex3f(1.0f, -1.0f, 0.0f);  // Bottom Right
        // Finished Drawing The Triangle
        gl.glEnd();
    }


                          private void drawRectangle(GL gl, float mode)
  {

      // Move the "drawing cursor" to another position
           // gl.glTranslatef(3.0f, 0.0f, 0.0f);
        // Draw A Quad
        gl.glBegin(GL.GL_QUADS);
            gl.glColor3f(0.5f, 0.5f, 1.0f);    // Set the current drawing color to light blue
            gl.glVertex3f(-1.0f, 1.0f, 0.0f);  // Top Left
            gl.glVertex3f(1.0f, 1.0f, 0.0f);   // Top Right
            gl.glVertex3f(1.0f, -1.0f, 0.0f);  // Bottom Right
            gl.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
        // Done Drawing The Quad
        gl.glEnd();
    gl.glFlush();
    

    }

                          

    public void display(GLAutoDrawable drawable) {
   final GL gl = drawable.getGL();

        // Clear the drawing area
        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
        // Reset the current matrix to the "identity"
        gl.glLoadIdentity();


         
            
                drawLine(gl, GL.GL_RENDER);
                
                //drawRectangle(gl, GL.GL_RENDER);

                //drawTriangle(gl, GL.GL_RENDER);
               

                jButton1.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent evt) {
                drawTriangle(gl, GL.GL_RENDER);
            }
        });

               jButton2.addMouseListener(new MouseAdapter() {
                     public void mousePressed(MouseEvent evt) {
                         //drawRectangle(gl, GL.GL_RENDER);
                         //gl.glTranslatef(3.0f, 0.0f, 0.0f);
                          gl.glBegin(GL.GL_QUADS);
                            
            gl.glColor3f(0.5f, 0.5f, 1.0f);    // Set the current drawing color to light blue
            gl.glVertex3f(-1.0f, 1.0f, 0.0f);  // Top Left
            gl.glVertex3f(1.0f, 1.0f, 0.0f);   // Top Right
            gl.glVertex3f(1.0f, -1.0f, 0.0f);  // Bottom Right
            gl.glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
        // Done Drawing The Quad
        gl.glEnd();
    //gl.glFlush();
    //animator.stop();
    canvas.repaint();
   
            }
        });

                 jButton3.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent evt) {
                drawTriangle(gl, GL.GL_RENDER);
                gl.glFlush();
            }
        });

 jButton6.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent evt) {
                gl.glPushMatrix();
                 gl.glTranslatef(0.0f, 0.0f, 5.0f);
                 gl.glPopMatrix();
                gl.glFlush();

            }
        });

         jButton7.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                 gl.glRotatef(0.0f, 1.0f, 0.0f, 0.0f);

            }
        });

         jButton8.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                 drawTriangle(gl, GL.GL_RENDER);
            }
        });

        jButton9.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                drawRectangle(gl, GL.GL_RENDER);
                canvas.display();

            }
        });

                jButton10.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                animator.stop();
                System.exit(0);
            }
        });


        
        
        // Flush all drawing operations to the graphics card
        
    }

    
    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
    }
}

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private GLCanvas canvas;
    private JPanel jPanel1;
    private JPanel jPanel2;
    private JButton jButton1;
    private JButton jButton2;
    private JButton jButton3;
    private JButton jButton4;
    private JButton jButton5;
    private JButton jButton6;
    private JButton jButton7;
    private JButton jButton8;
    private JButton jButton9;
    private JButton jButton10;
    private JColorChooser jColorChooser1;

    // End of variables declaration//GEN-END:variables

}