/** 
  * HF Receiver Controller Applet 1.0.0
  * @author Robert J Morton YE572246C
  * @version 25 November 2001, revanped 16 November 2007, 
  * Swing Version 31 January 2012
  * @copyright Robert J Morton (all rights reserved) */

/* This is the Applet's Confirmation Messages panel */

import javax.swing.*;  // the Swing GUI system
import java.awt.*;     // abstract windiwing toolkit

public class messagespanel extends JPanel {
  private hfbrx_swing hf;
  private Color bg;  // background colour transparent white
  private boolean 
    FrequenciesLoaded = false,
    Error = false;  // true when message is an error message
  int w, h, y;      // panel's width, height, font vertical baseline offset
  String msg;       // string to hold messages
  Font font;        // font for panel lettering

  messagespanel(int w, int h, int y, Font font, hfbrx_swing hf, Color bg) {
    this.w = w; this.h = h; this.font = font;
    this.y = y; this.hf = hf; this.bg = bg;
  }

  void showMsg(String m, boolean b) { msg = m; Error = b; repaint(); }

  public void paint(Graphics g) {

    // clear the field by filling it with background colour
    g.setColor(bg); g.fillRect(0, 0, w, h);

    g.setFont(font);          // use the big bold font
    g.setColor(Color.black);  // show progress message in black lettering

    /* If loading has finished completely, kill label on retry button; 
    else, if this is an ERROR message, change label on retry button
    to "Retry" and display error message in red lettering. */

    if(msg.equals(""))
      hf.RtryBut.setText("");
    else if(Error) {
      hf.RtryBut.setText("Retry");
      g.setColor(Color.red);
    }

    g.drawString(msg,4,y);  // display the message
  }

  public void update(Graphics g) { paint(g); }

}