TimeChooser

/** *  * Copyright: Ares. All Rights Reserved. Company: Insigma HT *  * @author Ares <a href="mailto:[e-mail]>send email</a> * @date 2013-11-17 16:53 *  *       Revision History *  *       Date Programmer Notes --------- --------------------- *       -------------------------------------------- 2013-11-17 Ares initial *  *       1. you can change date format by parameter. 2. you can change week label content by *       showTEXT. 3. you can change dayOfWeek order by defaultStartDAY. */package ref;import java.awt.BasicStroke;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Component;import java.awt.Cursor;import java.awt.Dimension;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.GridLayout;import java.awt.Point;import java.awt.Polygon;import java.awt.Stroke;import java.awt.Toolkit;import java.awt.event.FocusEvent;import java.awt.event.FocusListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.List;import javax.swing.BorderFactory;import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.PopupFactory;import javax.swing.SwingUtilities;import javax.swing.event.AncestorEvent;import javax.swing.event.AncestorListener;/** * @author Ares * @Describe(Date Chooser class) */public class Chooser    extends JPanel{    private static final long serialVersionUID = -5384012731547358720L;    private Calendar calendar;    private Calendar now = Calendar.getInstance();    private JPanel calendarPanel;    private java.awt.Font font = new java.awt.Font( "Times", java.awt.Font.PLAIN, 12 );    private java.text.SimpleDateFormat sdf;    private final LabelManager lm = new LabelManager();    private javax.swing.Popup pop;    private TitlePanel titlePanel;    private BodyPanel bodyPanel;    private FooterPanel footerPanel;    private JComponent showDate;    private boolean isShow = false;    private static final String DEFAULTFORMAT = "yyyy-MM-dd";    private static final String[] showTEXT = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };    private static WeekLabel[] weekLabels = new WeekLabel[7];    private static int defaultStartDAY = 0;//0 is from Sun, 1 is from Mon, 2 is from Tue    private Chooser(java.util.Date date, String format, int startDAY)    {        if( startDAY > -1 && startDAY < 7 )            defaultStartDAY = startDAY;        int dayIndex = defaultStartDAY;        for( int i = 0; i < 7; i++ )        {            if( dayIndex > 6 )                dayIndex = 0;            weekLabels[i] = new WeekLabel( dayIndex, showTEXT[dayIndex] );            dayIndex++;        }        sdf = new java.text.SimpleDateFormat( format );        calendar = Calendar.getInstance();        calendar.setTime( date );        initCalendarPanel();    }    public static Chooser getInstance( java.util.Date date, String format )    {        return new Chooser( date, format, defaultStartDAY );    }    public static Chooser getInstance( java.util.Date date )    {        return getInstance( date, DEFAULTFORMAT );    }    public static Chooser getInstance( String format )    {        return getInstance( new java.util.Date(), format );    }    public static Chooser getInstance()    {        return getInstance( new java.util.Date(), DEFAULTFORMAT );    }    private void initCalendarPanel()    {        calendarPanel = new JPanel( new java.awt.BorderLayout() );        calendarPanel.setBorder( javax.swing.BorderFactory.createLineBorder( new java.awt.Color( 0xAA, 0xAA, 0xAA ) ) );        calendarPanel.add( titlePanel = new TitlePanel(), java.awt.BorderLayout.NORTH );        calendarPanel.add( bodyPanel = new BodyPanel(), java.awt.BorderLayout.CENTER );        calendarPanel.add( footerPanel = new FooterPanel(), java.awt.BorderLayout.SOUTH );        this.addAncestorListener( new AncestorListener()        {            public void ancestorAdded( AncestorEvent event )            {            }            public void ancestorRemoved( AncestorEvent event )            {                hidePanel();            }            //hide pop when move component.              public void ancestorMoved( AncestorEvent event )            {                hidePanel();            }        } );    }    public void register( final JComponent showComponent )    {        this.showDate = showComponent;        showComponent.setRequestFocusEnabled( true );        showComponent.addMouseListener( new MouseAdapter()        {            public void mousePressed( MouseEvent me )            {                showComponent.requestFocusInWindow();            }        } );        this.add( showComponent, BorderLayout.CENTER );        this.setPreferredSize( new Dimension( 90, 25 ) );        this.setBorder( BorderFactory.createLineBorder( Color.GRAY ) );        showComponent.addMouseListener( new MouseAdapter()        {            public void mouseEntered( MouseEvent me )            {                if( showComponent.isEnabled() )                {                    showComponent.setCursor( new Cursor( Cursor.HAND_CURSOR ) );                }            }            public void mouseExited( MouseEvent me )            {                if( showComponent.isEnabled() )                {                    showComponent.setCursor( new Cursor( Cursor.DEFAULT_CURSOR ) );                    showComponent.setForeground( Color.BLACK );                }            }            public void mousePressed( MouseEvent me )            {                if( showComponent.isEnabled() )                {                    showComponent.setForeground( Color.BLUE );                    if( isShow )                    {                        hidePanel();                    }                    else                    {                        showPanel( showComponent );                    }                }            }            public void mouseReleased( MouseEvent me )            {                if( showComponent.isEnabled() )                {                    showComponent.setForeground( Color.BLACK );                }            }        } );        showComponent.addFocusListener( new FocusListener()        {            public void focusLost( FocusEvent e )            {                hidePanel();            }            public void focusGained( FocusEvent e )            {            }        } );    }    //hide the main panel.    private void hidePanel()    {        if( pop != null )        {            isShow = false;            pop.hide();            pop = null;        }    }    //show the main panel.    private void showPanel( Component owner )    {        if( pop != null )            pop.hide();        Point show = new Point( 0, showDate.getHeight() );        SwingUtilities.convertPointToScreen( show, showDate );        Dimension size = Toolkit.getDefaultToolkit().getScreenSize();        int x = show.x;        int y = show.y;        if( x < 0 )            x = 0;        if( x > size.width - 212 )            x = size.width - 212;        if( y > size.height - 167 )            y -= 165;        pop = PopupFactory.getSharedInstance().getPopup( owner, calendarPanel, x, y );        pop.show();        isShow = true;    }    // change text or label's content.    private void commit()    {        if( showDate instanceof JTextField )        {            ( (JTextField) showDate ).setText( sdf.format( calendar.getTime() ) );        }        else if( showDate instanceof JLabel )        {            ( (JLabel) showDate ).setText( sdf.format( calendar.getTime() ) );        }        hidePanel();    }    // control panel    private class TitlePanel        extends JPanel    {        private static final long serialVersionUID = -2865282186037420798L;        private JLabel preYear, preMonth, center, nextMonth, nextYear, centercontainer;        public TitlePanel()        {            super( new java.awt.BorderLayout() );            this.setBackground( new java.awt.Color( 190, 200, 200 ) );            initTitlePanel();        }        private void initTitlePanel()        {            preYear = new JLabel( "<<", JLabel.CENTER );            preMonth = new JLabel( "<", JLabel.CENTER );            center = new JLabel( "", JLabel.CENTER );            centercontainer = new JLabel( "", JLabel.CENTER );            nextMonth = new JLabel( ">", JLabel.CENTER );            nextYear = new JLabel( ">>", JLabel.CENTER );            preYear.setToolTipText( "Last Year" );            preMonth.setToolTipText( "Last Month" );            nextMonth.setToolTipText( "Next Month" );            nextYear.setToolTipText( "Next Year" );            preYear.setBorder( javax.swing.BorderFactory.createEmptyBorder( 2, 10, 0, 0 ) );            preMonth.setBorder( javax.swing.BorderFactory.createEmptyBorder( 2, 15, 0, 0 ) );            nextMonth.setBorder( javax.swing.BorderFactory.createEmptyBorder( 2, 0, 0, 15 ) );            nextYear.setBorder( javax.swing.BorderFactory.createEmptyBorder( 2, 0, 0, 10 ) );            centercontainer.setLayout( new java.awt.BorderLayout() );            centercontainer.add( preMonth, java.awt.BorderLayout.WEST );            centercontainer.add( center, java.awt.BorderLayout.CENTER );            centercontainer.add( nextMonth, java.awt.BorderLayout.EAST );            this.add( preYear, java.awt.BorderLayout.WEST );            this.add( centercontainer, java.awt.BorderLayout.CENTER );            this.add( nextYear, java.awt.BorderLayout.EAST );            this.setPreferredSize( new java.awt.Dimension( 210, 25 ) );            updateDate();            preYear.addMouseListener( new MyMouseAdapter( preYear, Calendar.YEAR, -1 ) );            preMonth.addMouseListener( new MyMouseAdapter( preMonth, Calendar.MONTH, -1 ) );            nextMonth.addMouseListener( new MyMouseAdapter( nextMonth, Calendar.MONTH, 1 ) );            nextYear.addMouseListener( new MyMouseAdapter( nextYear, Calendar.YEAR, 1 ) );        }        private void updateDate()        {            center.setText( calendar.get( Calendar.YEAR ) + "-" + ( calendar.get( Calendar.MONTH ) + 1 ) );        }        // listener for control label.        class MyMouseAdapter            extends java.awt.event.MouseAdapter        {            JLabel label;            private int type, value;            public MyMouseAdapter(final JLabel label, final int type, final int value)            {                this.label = label;                this.type = type;                this.value = value;            }            public void mouseEntered( java.awt.event.MouseEvent me )            {                label.setCursor( new java.awt.Cursor( java.awt.Cursor.HAND_CURSOR ) );                label.setForeground( java.awt.Color.RED );            }            public void mouseExited( java.awt.event.MouseEvent me )            {                label.setCursor( new java.awt.Cursor( java.awt.Cursor.DEFAULT_CURSOR ) );                label.setForeground( java.awt.Color.BLACK );            }            public void mousePressed( java.awt.event.MouseEvent me )            {                calendar.add( type, value );                label.setForeground( java.awt.Color.WHITE );                refresh();            }            public void mouseReleased( java.awt.event.MouseEvent me )            {                label.setForeground( java.awt.Color.BLACK );            }        }    }    // body panel, include week labels and day labels.    private class BodyPanel        extends JPanel    {        private static final long serialVersionUID = 5677718768457235447L;        public BodyPanel()        {            super( new GridLayout( 7, 7 ) );            this.setPreferredSize( new java.awt.Dimension( 210, 140 ) );            initMonthPanel();        }        private void initMonthPanel()        {            updateDate();        }        public void updateDate()        {            this.removeAll();            lm.clear();            java.util.Date temp = calendar.getTime();            Calendar cal = Calendar.getInstance();            cal.setTime( temp );            cal.set( Calendar.DAY_OF_MONTH, 1 );            int index = cal.get( Calendar.DAY_OF_WEEK );            cal.add( Calendar.DAY_OF_MONTH, defaultStartDAY - index );            for( WeekLabel weekLabel : weekLabels )            {                this.add( weekLabel );            }            for( int i = 0; i < 42; i++ )            {                cal.add( Calendar.DAY_OF_MONTH, 1 );                lm.addLabel( new DayLabel( cal ) );            }            for( DayLabel my : lm.getLabels() )            {                this.add( my );            }        }    }    private class FooterPanel        extends JPanel    {        private static final long serialVersionUID = 8135037333899746736L;        private JLabel dateLabel;        public FooterPanel()        {            super( new BorderLayout() );            initFooterPanel();        }        private void initFooterPanel()        {            dateLabel = new JLabel( "Today is : " + sdf.format( new java.util.Date() ) );            dateLabel.addMouseListener( new MouseListener()            {                @Override                public void mouseReleased( MouseEvent e )                {                }                @Override                public void mousePressed( MouseEvent e )                {                    calendar.setTime( new Date() );                    refresh();                    commit();                }                @Override                public void mouseExited( MouseEvent e )                {                    dateLabel.setForeground( Color.BLACK );                }                @Override                public void mouseEntered( MouseEvent e )                {                    dateLabel.setCursor( new Cursor( Cursor.HAND_CURSOR ) );                    dateLabel.setForeground( Color.CYAN );                }                @Override                public void mouseClicked( MouseEvent e )                {                }            } );            this.add( dateLabel );        }        public void updateDate()        {        };    }    //refresh all panel    private void refresh()    {        titlePanel.updateDate();        bodyPanel.updateDate();        footerPanel.updateDate();        SwingUtilities.updateComponentTreeUI( this );    }    private class WeekLabel        extends JLabel    {        private static final long serialVersionUID = -8053965084432740110L;        private String name;        public WeekLabel(int index, String name)        {            super( name, JLabel.CENTER );            this.name = name;        }        public String toString()        {            return name;        }    }    private class DayLabel        extends JLabel        implements java.util.Comparator<DayLabel>, java.awt.event.MouseListener, java.awt.event.MouseMotionListener    {        private static final long serialVersionUID = -6002103678554799020L;        private boolean isSelected;        private int year, month, day;        public DayLabel(Calendar cal)        {            super( "" + cal.get( Calendar.DAY_OF_MONTH ), JLabel.CENTER );            this.year = cal.get( Calendar.YEAR );            this.month = cal.get( Calendar.MONTH );            this.day = cal.get( Calendar.DAY_OF_MONTH );            this.setFont( font );            this.addMouseListener( this );            this.addMouseMotionListener( this );            if( month == calendar.get( Calendar.MONTH ) )                this.setForeground( java.awt.Color.BLACK );            else                this.setForeground( java.awt.Color.LIGHT_GRAY );        }        public boolean getIsSelected()        {            return isSelected;        }        public void setSelected( boolean b, boolean isDrag )        {            isSelected = b;            if( b && !isDrag )            {                int temp = calendar.get( Calendar.MONTH );                calendar.set( year, month, day );                if( temp == month )                {                    SwingUtilities.updateComponentTreeUI( bodyPanel );                }                else                {                    refresh();                }                this.repaint();            }        }        @Override        protected void paintComponent( Graphics g )        {            //set curr select day's background            if( day == calendar.get( Calendar.DAY_OF_MONTH ) && month == calendar.get( Calendar.MONTH ) )            {                g.setColor( new java.awt.Color( 0xBB, 0xBF, 0xDA ) );                g.fillRect( 0, 0, getWidth(), getHeight() );            }            //set current day's border            if( year == now.get( Calendar.YEAR ) && month == now.get( Calendar.MONTH )                && day == now.get( Calendar.DAY_OF_MONTH ) )            {                Graphics2D gd = (Graphics2D) g;                gd.setColor( new java.awt.Color( 0x55, 0x55, 0x88 ) );                Polygon p = new Polygon();                p.addPoint( 0, 0 );                p.addPoint( getWidth() - 1, 0 );                p.addPoint( getWidth() - 1, getHeight() - 1 );                p.addPoint( 0, getHeight() - 1 );                gd.drawPolygon( p );            }            if( isSelected )            {                Stroke s = new BasicStroke( 1.0f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL, 1.0f, new float[] {                        2.0f, 2.0f }, 1.0f );                Graphics2D gd = (Graphics2D) g;                gd.setStroke( s );                gd.setColor( Color.BLACK );                Polygon p = new Polygon();                p.addPoint( 0, 0 );                p.addPoint( getWidth() - 1, 0 );                p.addPoint( getWidth() - 1, getHeight() - 1 );                p.addPoint( 0, getHeight() - 1 );                gd.drawPolygon( p );            }            super.paintComponent( g );        }        public boolean contains( Point p )        {            return this.getBounds().contains( p );        }        private void update()        {            repaint();        }        @Override        public void mouseDragged( MouseEvent e )        {        }        @Override        public void mouseMoved( MouseEvent e )        {        }        @Override        public void mouseClicked( MouseEvent e )        {        }        @Override        public void mousePressed( MouseEvent e )        {            isSelected = true;            update();        }        @Override        public void mouseReleased( MouseEvent e )        {            Point p = SwingUtilities.convertPoint( this, e.getPoint(), bodyPanel );            this.setForeground( Color.BLACK );            lm.setSelect( p, false );            commit();        }        @Override        // change color when mouse over.        public void mouseEntered( MouseEvent e )        {            this.setForeground( Color.CYAN );            this.repaint();        }        @Override        // change color when mouse exit.        public void mouseExited( MouseEvent e )        {            if( month == calendar.get( Calendar.MONTH ) )                this.setForeground( java.awt.Color.BLACK );            else                this.setForeground( java.awt.Color.LIGHT_GRAY );            this.repaint();        }        @Override        public int compare( DayLabel o1, DayLabel o2 )        {            Calendar c1 = Calendar.getInstance();            c1.set( o1.year, o1.month, o1.day );            Calendar c2 = Calendar.getInstance();            c2.set( o2.year, o2.month, o2.day );            return c1.compareTo( c2 );        }    }    private class LabelManager    {        private List<DayLabel> list;        public LabelManager()        {            list = new ArrayList<Chooser.DayLabel>();        }        public List<DayLabel> getLabels()        {            return list;        }        public void addLabel( DayLabel label )        {            list.add( label );        }        public void clear()        {            list.clear();        }        public void setSelect( Point p, boolean b )        {            //如果是拖动,则要优化一下,以提高效率              if( b )            {                //表示是否能返回,不用比较完所有的标签,能返回的标志就是把上一个标签和                  //将要显示的标签找到了就可以了                  boolean findPrevious = false, findNext = false;                for( DayLabel lab : list )                {                    if( lab.contains( p ) )                    {                        findNext = true;                        if( lab.getIsSelected() )                            findPrevious = true;                        else                            lab.setSelected( true, b );                    }                    else if( lab.getIsSelected() )                    {                        findPrevious = true;                        lab.setSelected( false, b );                    }                    if( findPrevious && findNext )                        return;                }            }            else            {                DayLabel temp = null;                for( DayLabel m : list )                {                    if( m.contains( p ) )                    {                        temp = m;                    }                    else if( m.getIsSelected() )                    {                        m.setSelected( false, b );                    }                }                if( temp != null )                    temp.setSelected( true, b );            }        }    }    /**     * @param args     */    public static void main( String[] args )    {        JFrame jf = new JFrame( "Date Picker Test" );        jf.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );        jf.setLayout( null );        jf.setBounds( 400, 200, 600, 400 );        Chooser ser = Chooser.getInstance();        javax.swing.JTextField text = new JTextField();        text.setBounds( 10, 10, 200, 30 );        text.setText( "2013-10-11" );        ser.register( text );        Chooser ser2 = Chooser.getInstance( "yyyy年MM月dd日" );        JLabel label = new JLabel( "please click me." );        label.setBounds( 10, 50, 200, 30 );        ser2.register( label );        jf.add( text );        jf.add( label );        jf.setVisible( true );    }}