import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JComponent;
import javax.swing.JFrame;

import typo.Box;

public class Page extends JComponent {
  private static final long serialVersionUID = 1L;

  Box b;
  int textWidth;
  int textHeight;
  int windowWidth;
  int windowHeight;
  final static int leftMargin = 50;
  final static int rightMargin = 50;
  final static int topMargin = 50;

  public void paint(Graphics g) {
    g.drawLine(0, topMargin, windowWidth, topMargin);
    g.drawLine(leftMargin, 0, leftMargin, windowHeight);
    g.drawLine(leftMargin + textWidth, 0, leftMargin + textWidth, windowHeight);
    boolean ok = b.draw(g, leftMargin, topMargin, textWidth);
    if (! ok) System.out.println("overfull hbox!");
  }

  public Page(Box b, int w, int h) {
    this.b = b;
    this.textWidth = w;
    this.textHeight = h;
    windowWidth = textWidth + leftMargin + rightMargin;
    windowHeight = topMargin + textHeight;
    // construire une fenêtre
    final JFrame f = new JFrame("Typographie (échap pour fermer)");
    f.setSize(windowWidth, windowHeight); // dimensions
    f.add(this); // qui contient notre JComponent
    f.addKeyListener(new KeyListener() {
      @Override
      public void keyTyped(KeyEvent e) {}
      @Override
      public void keyPressed(KeyEvent e) {}
      @Override
      public void keyReleased(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_ESCAPE) f.dispose();
      }
    });
    // pour terminer le programme
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    // il faut le dire !
    f.setVisible(true);
  }

  public Page(Box b, int w) {
    this(b, w, 300);
  }

}