AOL File Library: 12,000 to 12,999/12000.zip/AOLDLs/Online-Tools/Java-Applets/JAVAAPPS.lzh/JAVAAPPS/GLOWBUTT/GLOWBUTT.EXE/glowbutton.java

Java Source | 1996-03-11 | 3.0 KB | 133 lines

// Glow buttons - the name says it all


// Amit C. (ConnectSoft Ruksun, Pune, India) [e-mail]





import java.awt.Color ;


import java.awt.Graphics;


import java.util.Date;


import java.lang.String ;


import java.util.StringTokenizer;





public class glowbutton extends java.applet.Applet implements Runnable


{


    Thread    GlowThread ;


    int        i = 0 ;


    Color    GlowColor1 = new Color(0,0,0);


    Color    GlowColor2= new Color(0,0,0);


    Color    GlowColor3 = new Color(0,0,0);





    public void init()


    {


                                    // The glowing colors


        GlowColor1 = StringToColor (


                               MygetStringParam("glowcolor1", "0,0,0"),


                            Color.cyan ) ;





        GlowColor2 = StringToColor (


                               MygetStringParam("glowcolor2", "0,0,0"),


                            Color.darkGray ) ;





        GlowColor3 = StringToColor (


                               MygetStringParam("glowcolor3", "0,0,0"),


                            Color.magenta ) ;


    }


    public void start()


    {


        if (GlowThread == null)


        {


            GlowThread = new Thread(this, "Glow");


            GlowThread.start();


        }


    }





    public void run()


    {


        while (GlowThread != null)


        {


            repaint();


            try


            {


                GlowThread.sleep(200);            // Sleep for 800 millisec


            }


            catch (InterruptedException e)


            {


            }


        }


    }





    public void paint(Graphics g)


    {


        g.setColor (Color.black ) ;


        g.drawRect (0, 0, size().width - 1, size().height - 1 ) ;





        g.setColor (Color.gray ) ;


        g.drawRect (1, 1, size().width - 2, size().height - 2 ) ;


        g.drawRect (2, 2, size().width - 3, size().height - 3 ) ;








        if ( i == 0 )                // What color to fill in with!


            g.setColor (GlowColor1 ) ;


        else


            if (i == 1 )


                g.setColor (GlowColor2 ) ;


            else


                g.setColor (GlowColor3 ) ;





        g.fillRect (3, 3, size().width - 4, size().height - 4 ) ;


        i = i+ 1 ;


        i = i % 3 ;


    }





    public void stop()


    {


        GlowThread.stop();


        GlowThread = null;


    }





    // A changed version of getparam


    public    String    MygetStringParam (String att, String def)


    {


        String ret;





        try


        {


            ret = getParameter(att);


            if (ret.length() < 1)


                return def;


            else


                return ret;


        }


        catch(Exception e)


        {


            return def;


        }


    }





    // Given a string parses it to get the colors


    public Color StringToColor (String strColor_p, Color clrDefault_p )


    {


        if (strColor_p.length ( ) == 0)


        {


            return clrDefault_p ;


        }





        int r;


        int g;


        int b;


                                        // Delimiter is ','


        StringTokenizer st = new StringTokenizer (strColor_p, ",") ;





        try


        {


            r = Integer.valueOf(st.nextToken()).intValue();


            g = Integer.valueOf(st.nextToken()).intValue();


            b = Integer.valueOf(st.nextToken()).intValue();


            return new Color(r,g,b);


        }


        catch (Exception e)


        {


            return clrDefault_p;


        }


    }





}