[Java] Swing Loading is loading ...

Effect:

Loadingpanel.java

Package com.learn.loading;
Import Java.awt.Color;
Import java.awt.Dimension;
Import Java.awt.Graphics;
Import Java.awt.Graphics2D;
Import java.awt.RenderingHints;
Import Java.awt.Toolkit;
Import java.awt.event.MouseEvent;
Import Java.awt.event.MouseListener;
Import Java.awt.font.FontRenderContext;
Import Java.awt.font.TextLayout;
Import Java.awt.geom.AffineTransform;
Import Java.awt.geom.Area;
Import Java.awt.geom.Ellipse2D;
Import Java.awt.geom.Point2D;

Import Java.awt.geom.Rectangle2D;
Import javax.swing.JComponent;  

Import Javax.swing.JFrame; public class Loadingpanel extends JComponent implements MouseListener {/** * */private static F  
    inal long serialversionuid = 1L;  
    Protected area[] ticker = NULL;  
    protected Thread animation = null;  
    Protected Boolean started = false;  
    protected int alphalevel = 0;  
    protected int rampdelay = 300;  
    protected float shield = 0.70f;  
    protected String Text = ""; protected int BarsCount = 14;  

    protected float fps = 15.0f;  

    protected renderinghints hints = null;  
    Public Loadingpanel () {This ("");  
    Public Loadingpanel (String text) {This (text, 14);  
    Loadingpanel (String text, int barscount) {This (text, Barscount, 0.70f);  
    Loadingpanel (String text, int barscount, float shield) {This (text, Barscount, shield, 15.0f); Loadingpanel (String text, int barscount, float shield, float fps) {This (text, Barscount, s  
    Hield, FPS, 300); Public Loadingpanel (String text, int barscount, float shield, float fps, int rampdelay) {This.text = t  
        Ext This.rampdelay = Rampdelay >= 0?  
        rampdelay:0; This.shield = Shield >= 0.0f?  
        shield:0.0f; This.fps = fps > 0.0f?  
        fps:15.0f; This.barscount = barscount > 0?  

        barscount:14; this.hints = new RenderinghintS (renderinghints.key_rendering, renderinghints.value_render_quality);  
        This.hints.put (renderinghints.key_antialiasing, renderinghints.value_antialias_on);  
    This.hints.put (Renderinghints.key_fractionalmetrics, renderinghints.value_fractionalmetrics_on);  
        public void SetText (String text) {repaint ();  
    This.text = text;  
    Public String GetText () {return text;  
        public void Start () {Addmouselistener (this);  
        SetVisible (TRUE);  
        Ticker = Buildticker ();  
        Animation = new Thread (new animator (true));  
    Animation.start ();  
            public void Stop () {if (animation!= null) {animation.interrupt ();  
            Animation = null;  
            Animation = new Thread (new animator (false));  
        Animation.start (); } public void Interrupt () {if (animation!= null) {Animation.interrUpT ();  

            Animation = null;  
            Removemouselistener (this);  
        SetVisible (FALSE);  @Override public void Paintcomponent (Graphics g) {if (started) {int width  
            = GetWidth ();  

            int height = getheight ();  

            Double Maxy = 0.0;  
            graphics2d g2 = (graphics2d) g;  

            G2.setrenderinghints (hints);  
            G2.setcolor (New Color (255, 255, 255, (int) (Alphalevel * shield));  

            G2.fillrect (0, 0, width, height);  
                for (int i = 0; i < ticker.length i++) {int channel = 224-128/(i + 1);  
                G2.setcolor (New Color (channel, channel, Channel, Alphalevel));  

                G2.fill (Ticker[i]);  
                Rectangle2D bounds = ticker[i].getbounds2d ();  
                if (Bounds.getmaxy () > Maxy) {maxy = Bounds.getmaxy ();  

         }  
            }   if (text!= null && text.length () > 0) {fontrendercontext context = G2.getfontrenderconte  
                XT ();  
                TextLayout layout = new TextLayout (text, GetFont (), context);  
                Rectangle2D bounds = Layout.getbounds ();  
                G2.setcolor (Getforeground ());  Layout.draw (G2, (float) (Width-bounds.getwidth ())/2, (float) (Maxy + layout.getleading () + 2  
            * Layout.getascent ());  
        }} private area[] Buildticker () {area[] ticker = new Area[barscount];  
        Point2d.double Center = new Point2d.double (double) getwidth ()/2, (Double) getheight ()/2);  

        Double fixedangle = 2.0 * Math.PI/(Barscount);  

            for (Double i = 0.0 i < Barscount, i++) {Area primitive = buildprimitive ();  
            AffineTransform tocenter = affinetransform.gettranslateinstance (Center.getx (), center.gety ()); AffinEtransform Toborder = affinetransform.gettranslateinstance (45.0,-6.0);  

            AffineTransform tocircle = affinetransform.getrotateinstance (-i * fixedangle, Center.getx (), Center.getY ());  
            AffineTransform Towheel = new AffineTransform ();  
            Towheel.concatenate (Tocenter);  

            Towheel.concatenate (Toborder);  
            Primitive.transform (Towheel);  

            Primitive.transform (tocircle);  
        ticker[(int) i] = primitive;  
    return ticker;  
        Private Area buildprimitive () {rectangle2d.double BODY = new Rectangle2d.double (6, 0, 30, 12);  
        Ellipse2d.double head = new ellipse2d.double (0, 0, 12, 12);  

        ellipse2d.double tail = new Ellipse2d.double (30, 0, 12, 12);  
        Area tick = new Area (body);  
        Tick.add (New Area (head));  

        Tick.add (New Area (tail));  
    return tick; } protected class Animator implements Runnable {private BoOlean Rampup = true;  
        Protected Animator (Boolean rampup) {this.rampup = Rampup; @Override public void Run () {point2d.double Center = new Point2d.double (Double) get  
            Width ()/2, (Double) getheight ()/2);  
            Double fixedincrement = 2.0 * Math.PI/(Barscount);  

            AffineTransform tocircle = affinetransform.getrotateinstance (Fixedincrement, Center.getx (), Center.getY ());  
            Long start = System.currenttimemillis ();  
            if (Rampdelay = = 0) {alphalevel = Rampup? 255:0;  
            } started = true;  

            Boolean inramp = Rampup; while (! Thread.interrupted ()) {if (!inramp) {for (int i = 0; i < ticker.length; i++)  
                    {Ticker[i].transform (tocircle);  

                } repaint (); if (rampup{if (Alphalevel < 255) {alphalevel = (int) (255 * (System.currentti  
                        Memillis ()-start)/rampdelay);  
                            if (alphalevel >= 255) {alphalevel = 255;  
                        Inramp = false; else if (Alphalevel > 0) {alphalevel = (int) (255  
                    -(255 * (System.currenttimemillis ()-start)/rampdelay);  
                        if (alphalevel <= 0) {alphalevel = 0;  
                    Break  
                } try {Thread.Sleep (inramp: (int) (1000/FPS));  
                catch (Interruptedexception IE) {break;  
            } Thread.yield ();  
     } if (!rampup) {started = false;           Repaint ();  
                SetVisible (FALSE);  
            Removemouselistener (Loadingpanel.this); @Override public void mouseclicked (MouseEvent e) {} @Override Publi  

    c void mousepressed (MouseEvent e) {} @Override public void mousereleased (MouseEvent e) {} @Override public void mouseentered (MouseEvent e) {} @Override public void mouseexited (Mouseeve
        NT e) {} public static void Main (string[] args) {JFrame frame = new JFrame ();
        // ...

            Loadingpanel GlassPane = new Loadingpanel ();
                Dimension Dimension = Toolkit.getdefaulttoolkit (). Getscreensize ();
        Glasspane.setbounds (Dimension.width)/2, (Dimension.height)/2);
        Frame.setglasspane (GlassPane);
        Glasspane.settext ("Loading data, please wait ..."); Glasspane.start ()//Start animation load effect frame.setvisible(true);
    Later, to disable, close the animation effect//Glasspane.stop () in the appropriate place;
 }
}

When you need it to show, do it:

Thread mythread = new Thread (new Runnable () {

     public void Run ()  {

          Infiniteprogresspanel gl = thisref.glasspane;

          Gl.start ();

          Gl.settext (Please wait while the data is being saved ...);

          try {

             //Here's the thing

             to do ... Gl.settext ("Save complete, Welcome to use.") ");

             Thread.Sleep (1000);

           } catch (Interruptedexception ex) {

           }finally{

             gl.stop ();

           }}}

);

Mythread.start ();