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??1 import ?java.awt.BorderLayout;
 ??2 import ?java.awt.Color;
 ??3 import ?java.awt.Dimension;
 ??4 import ?java.awt.FlowLayout;
 ??5 import ?java.awt.Graphics;
 ??6
??7 import ?javax.swing.JFrame;
 ??8 import ?javax.swing.JLabel;
 ??9 import ?javax.swing.JPanel;
 ?10
?11
?12 public ? class ?ColorPregressBar? extends ?JLabel? {
 ?13 ???? private ? int ?minV_? = ? 0 ;
 ?14 ???? private ? int ?maxV_? = ? 100 ;
 ?15 ???? private ? int ?value_? = ? 0 ;
 ?16 ???? private ? int ?colorWidth_? = ? 0 ;
 ?17 ???? private ?Color?frontColor_? = ? new ?Color( 150 ,? 150 ,? 200 );
 ?18 ???? private ?Color?belowColor_? = ?Color.lightGray;
 ?19 ???? private ?String?endFix_? = ? null ;
 ?20 // ????private?Dimension?preferSize?=?new?Dimension();
?21 ????ColorPregressBar()? {
 ?22 ???????? super ();
 ?23 ????}
?24 ???? public ?ColorPregressBar( int ?minValue,? int ?maxValue)? {
 ?25 ????????setPreferredSize( new ?Dimension( 150 ,? 20 ));
 ?26 ???????? if ?(minValue? >= ?maxValue)? {
 ?27 ???????????? return ;
 ?28 ????????}
?29 ????????minV_? = ?minValue;
 ?30 ????????maxV_? = ?maxValue;
 ?31 ????????modifyValue();
 ?32 ????}
?33 ???? public ? void ?setFrontColor(Color?frontColor)? {
 ?34 ????????frontColor_? = ?frontColor;
 ?35 ????????repaint();
 ?36 ????}
?37 ???? public ? void ?setBelowColor(Color?belowColor)? {
 ?38 ????????belowColor_? = ?belowColor;
 ?39 ????????repaint();
 ?40 ????}
?41 ???? public ? void ?setFix(String?str)? {
 ?42 ????????endFix_? = ?str;
 ?43 ????????repaint();
 ?44 ????}
?45 ???? public ? boolean ?setMinMaxValue( int ?minValue,? int ?maxValue)? {
 ?46 ???????? if ?(minValue? >= ?maxValue)? {
 ?47 ???????????? return ? false ;
 ?48 ????????}
?49 ????????minV_? = ?minValue;
 ?50 ????????maxV_? = ?maxValue;
 ?51 ????????modifyValue();
 ?52 ????????repaint();
 ?53 ???????? return ? true ;
 ?54 ????}
?55 ???? private ? void ?modifyValue()? {
 ?56 ???????? if ?(value_? < ?minV_)? {
 ?57 ????????????value_? = ?minV_;
 ?58 ????????} ? else ? if ?(value_? > ?maxV_)? {
 ?59 ????????????value_? = ?maxV_;
 ?60 ????????}
?61 ????}
?62 ???? protected ? void ?paintComponent(Graphics?g)? {
 ?63 ????????Color?colorTemp? = ?g.getColor();
 ?64 ????????g.setColor(frontColor_);
 ?65 ????????g.fillRect( 0 ,? 0 ,?colorWidth_,?getPreferredSize().height);
 ?66 ????????g.setColor(belowColor_);
 ?67 ????????g.fillRect(colorWidth_,? 0 ,?getPreferredSize().width? - ?colorWidth_,?getPreferredSize().height);
 ?68 ????????g.setColor(colorTemp);
 ?69 ???????? super .paintComponent(g);
 ?70 ????}
?71 ???? public ? void ?setValue( int ?value)? {
 ?72 ???????? if ?(value? < ?minV_)? {
 ?73 ????????????value_? = ?minV_;
 ?74 ????????} ? else ? if ?(value? > ?maxV_)? {
 ?75 ????????????value_? = ?maxV_;
 ?76 ????????} ? else ? {
 ?77 ????????????value_? = ?value;
 ?78 ????????}
?79 ????????colorWidth_? = ?(getPreferredSize().width? * ?(value_? - ?minV_))? / ?(maxV_? - ?minV_);
 ?80 ????????String?txt? = ? "" ? + ?value;
 ?81 ???????? if ?(endFix_? != ? null )? {
 ?82 ????????????txt? += ?endFix_;
 ?83 ????????}
?84 ????????setText(txt);
 ?85 ????}
?86 ????
 ?87 ???? public ? static ? void ?main(String[]?args)? {
 ?88 ????????JFrame?f? = ? new ?JFrame();
 ?89 ????????f.setSize( 400 ,? 300 );
 ?90 ????????ColorPregressBar?progress? = ? new ?ColorPregressBar( - 20 ,? 100 );
 ?91 ????????progress.setFix( " [db] " );
 ?92 ????????progress.setValue( 50 );
 ?93 ????????JPanel?panel? = ? new ?JPanel();
 ?94 ????????panel.setLayout( new ?FlowLayout());
 ?95 ????????panel.add(progress);
 ?96 ????????f.getContentPane().add(panel,?BorderLayout.CENTER);
 ?97 ????????f.show();
 ?98 ????????f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
 ?99
100 ????}
101 }
102