/*
 * Label3D.java
 */

import java.awt.*;

/* 3D Label Object */
public class Label3D extends Canvas3D {
    String text = null;    // Text String
    int base = 22;         // size base (usually the height)
    int ratio = 2;         // ratio = width/height
    boolean raise = false; // if string is raised (3D)
    boolean fill = true;   // If fill background inside frame

    /** Initalize a Concave Text Label */
    public Label3D(String _text) {
        setFont(bfont);
        setForeground(black);
        text = _text;
        ratio = (text.length()+1)/2;
        if ( ratio == 0 ) ratio++;
    }

    /** Initialize a Text Label with mode setting */
    public Label3D(String _text, int _mode) {
        this(_text);
        mode = _mode;
    }

    /** Initialize a Text Label with mode/raise seetting */
    public Label3D(String _text, int _mode, boolean _raise) {
        this(_text, _mode);
        raise = _raise;
    }

    /* Base Setting */
    public int getBase() { return base;}
    public void setBase(int _base) { base = _base;}

    /* Ratio Setting */
    public int getRatio() { return ratio;}
    public void setRatio(int _ratio) { ratio = _ratio;}

    /* Text Setting */
    public String getText() { return text;}
    public boolean setText(String _text) {
        if ( text == _text ) return false;
        text = _text;
        repaint();
        return true;
    }

    /* Raise Setting */
    public boolean getRaise() { return raise;}
    public boolean setRaise(boolean _raise) {
        if ( raise == _raise ) return false;
        raise = _raise;
        repaint();
        return true;
    }

    /* Overwrite the Panel's preferredSize */
    public Dimension preferredSize() {
      return new Dimension(base*ratio, base);
    }

    /** Respond to a repaint request */
    public void update(Graphics g) {
        if ( g == null ) return;
        int w = size().width-d2;
        int h = size().height-d2;
        Color color = (fill) ? getBackground() : null;
        if ( (mode < 0) || (mode != 0) && !getActive() ) {
          Draw3DRect(g, -depth, color);
          g.clipRect(depth, depth, w, h);
        } else if ( mode > 0 ) {
          Draw3DRect(g, depth, color);
          g.clipRect(depth, depth, w, h);
        } else if ( fill ) {
          g.setColor(color);
          g.fillRect(0, 0, size().width, size().height);
        }
        if ( text == null ) return;
        FontMetrics fm = g.getFontMetrics();
        int x = (size().width-fm.stringWidth(text))/2;
        int y = (size().height-fm.getFont().getSize())/2;
        y += fm.getFont().getSize()-fm.getDescent();
        if ( getActive() ) {
          if ( raise ) {
            g.setColor(ltGray);
            if ( mode < 0 ) g.drawString(text, x-1, y-1);
            else if ( mode > 0 ) g.drawString(text, x+1, y+1);
          }
          g.setColor(getForeground());
        } else g.setColor(Color.blue);
        g.drawString(text, x, y);
    }

    /** Notify Parent the mouseDown Event */
    public boolean mouseDown(Event ev, int x, int y) {
        if ( !getActive() ) return true;
        Notify(ev, this);
        return true;
    }

}