package edu.gatech.cs2335.lemmings.gui;

import java.awt.Font;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;

/**
 * Class LFancyLabel: In addition to the regular label functionality,
 * this guy allows you to specify different fonts for the label.
 *
 * <PRE>
 * Revision History:
 *     v1.0 (Mar. 13, 2004) - Created the LFancyLabel class
 * </PRE>
 *
 * @author <A HREF="mailto:gtg308i@mail.gatech.edu">Vladimir Urazov</A>
 * @version Version 1.0, Mar. 13, 2004
 */
public final  class LFancyLabel extends LLabel {

  /**
   * Show lots of debug output?
   */
  private static final boolean VERBOSE = false;

  /**
   * The default font.
   */
  public static final Font DEFAULT_FONT;

  static {
    //Initialize default font to the first font available
    Font temp = GraphicsEnvironment
      .getLocalGraphicsEnvironment().getAllFonts()[0];
    DEFAULT_FONT = temp.deriveFont(Font.PLAIN, 16.0f);
  }

  /**
   * The font used to render this fancy label.
   */
  private Font currentFont;

  /**
   * Creates a new <code>LFancyLabel</code> instance.
   */
  public LFancyLabel() {
    this(" ");
  }

  /**
   * Creates a new <code>LFancyLabel</code> instance.
   *
   * @param text a <code>String</code> value
   */
  public LFancyLabel(String text) {
    this(text, DEFAULT_FONT);
  }

  /**
   * Creates a new <code>LFancyLabel</code> instance.
   *
   * @param text a <code>String</code> value
   * @param font a <code>Font</code> value
   */
  public LFancyLabel(String text, Font font) {
    super(text);

    setFont(font);
  }

  /**
   * Returns the fint associated with this label.
   *
   * @return a <code>Font</code> value
   */
  public Font getFont() {
    return currentFont;
  }

  /**
   * Sets up a new font value.
   *
   * @param newFont a <code>Font</code> value
   */
  public void setFont(Font newFont) {
    if (newFont == null) {
      throw new NullPointerException();
    }

    currentFont = newFont;
  }

  /**
   * Deep-copies self <b>into the component</b> passed in.
   *
   * @param component a <code>LComponent</code> value
   */
  protected void copy(LComponent component) {
    super.copy(component);

    LFancyLabel target = (LFancyLabel) component;

    target.setFont(new Font(getFont().getName(), getFont().getStyle(),
                            getFont().getSize()));
  }

  /**
   * Performs all of the necessary drawing for this control only. The
   * children will be taken care of separately. This method need not
   * concern itself with them.
   *
   * @param g a <code>Graphics</code> value
   * @return a <code>boolean</code> value
   */
  protected boolean paint(Graphics g) {
    if (VERBOSE) {
        System.out.println("LFancyLabel: Rendering with:");
        System.out.println("\t" + getFont());
        System.out.flush();
    }

    g.setColor(this.getForeground());
    g.setFont(this.getFont());
    g.drawString(this.getText(), this.getBounds().x, this.getBounds().y);

    return true;
  }
}