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WebLaf is a Java Swing Look and Feel and extended components library for cross-platform applications
/*
* This file is part of WebLookAndFeel library.
*
* WebLookAndFeel library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WebLookAndFeel library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WebLookAndFeel library. If not, see dateListeners = new ArrayList ( 1 );
/**
* Calendar title format.
* Usually displays currently visible month and year.
*/
protected SimpleDateFormat titleFormat = new SimpleDateFormat ( "MMMM yyyy" );
/**
* Whether sunday should be the first day of week or not.
*/
protected boolean startWeekFromSunday = false;
/**
* Whether should display week numbers or not.
*/
protected boolean displayWeekNumbers = false;
/**
* Whether should animate month transitions or not.
*/
protected boolean animate = true;
/**
* Whether should perform horizontal slide animation or not.
*/
protected boolean horizontalSlide = true;
/**
* Date buttons customizer.
*/
protected DateCustomizer dateCustomizer;
/**
* Currently selected date.
*/
protected Date date;
/**
* Displayed month date.
*/
protected Date shownDate;
/**
* Previously displayed month date.
* Used to perform animation in a specific direction.
*/
protected Date oldShownDate;
/**
* UI components.
*/
protected WebButton previousSkip;
protected WebButton previous;
protected WebLabel titleLabel;
protected WebButton next;
protected WebButton nextSkip;
protected WebPanel weekHeaders;
protected WebPanel monthDays;
protected ComponentTransition monthDaysTransition;
protected WebToggleButton lastSelectedDayButton;
/**
* Constructs new calendar without selected date.
*/
public WebCalendar ()
{
this ( StyleId.calendar, null );
}
/**
* Constructs new calendar with the specified selected date.
*
* @param date selected date
*/
public WebCalendar ( final Date date )
{
this ( StyleId.calendar, date );
}
/**
* Constructs new calendar without selected date.
*
* @param id style ID
*/
public WebCalendar ( final StyleId id )
{
this ( id, null );
}
/**
* Constructs new calendar with the specified selected date.
*
* @param id style ID
* @param date selected date
*/
public WebCalendar ( final StyleId id, final Date date )
{
super ( id, new BorderLayout ( 0, 0 ) );
putClientProperty ( SwingUtils.HANDLES_ENABLE_STATE, true );
this.date = date != null ? new Date ( date.getTime () ) : null;
this.shownDate = date != null ? new Date ( date.getTime () ) : new Date ();
// Main layout
final WebPanel centerPanel = new WebPanel ();
centerPanel.setOpaque ( false );
add ( centerPanel, BorderLayout.CENTER );
// Header panel
final WebPanel header = new WebPanel ( StyleId.calendarHeaderPanel.at ( this ) );
add ( header, BorderLayout.NORTH );
previousSkip = new WebButton ( StyleId.calendarPrevYearButton.at ( header ), previousSkipIcon );
previousSkip.addActionListener ( new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
changeYear ( -1 );
}
} );
previous = new WebButton ( StyleId.calendarPrevMonthButton.at ( header ), previousIcon );
previous.addActionListener ( new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
changeMonth ( -1 );
}
} );
final WebPanel leftHeader = new WebPanel ( new BorderLayout () );
leftHeader.setOpaque ( false );
leftHeader.add ( previousSkip, BorderLayout.WEST );
leftHeader.add ( previous, BorderLayout.EAST );
header.add ( leftHeader, BorderLayout.WEST );
titleLabel = new WebLabel ( StyleId.calendarTitleLabel.at ( header ) );
titleLabel.setBoldFont ();
updateTitleLabel ();
header.add ( titleLabel, BorderLayout.CENTER );
next = new WebButton ( StyleId.calendarNextMonthButton.at ( header ), nextIcon );
next.addActionListener ( new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
changeMonth ( 1 );
}
} );
nextSkip = new WebButton ( StyleId.calendarNextYearButton.at ( header ), nextSkipIcon );
nextSkip.addActionListener ( new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
changeYear ( 1 );
}
} );
final WebPanel rightHeader = new WebPanel ( new BorderLayout () );
rightHeader.setOpaque ( false );
rightHeader.add ( next, BorderLayout.WEST );
rightHeader.add ( nextSkip, BorderLayout.EAST );
header.add ( rightHeader, BorderLayout.EAST );
// Week days
weekHeaders = new WebPanel ( StyleId.calendarWeekTitlesPanel.at ( this ) );
centerPanel.add ( weekHeaders, BorderLayout.NORTH );
updateWeekHeaders ();
// Month days panel
monthDays = createMonthPanel ();
updateMonth ( monthDays );
// Days panel transition
monthDaysTransition = new ComponentTransition ( monthDays );
monthDaysTransition.setOpaque ( false );
monthDaysTransition.addTransitionListener ( new TransitionAdapter ()
{
@Override
public void transitionFinished ()
{
requestFocusToSelected ();
}
} );
centerPanel.add ( monthDaysTransition, BorderLayout.CENTER );
}
/**
* Switches to new title label.
* In case animation is disabled simply changes title text.
*/
protected void updateTitleLabel ()
{
titleLabel.setText ( titleFormat.format ( shownDate ) );
}
/**
* Switches view to new displayed month.
*
* @param animate whether should animate transition or not
*/
protected void updateMonth ( final boolean animate )
{
// Even if someone is asking to animate transition we have to honor calendar settings
// If it isn't set to be animated then we should never animate any transitions within it
if ( animate && isAnimate () )
{
// Creating new dates panel
monthDays = createMonthPanel ();
updateMonth ( monthDays );
// Setting collapse transition effects
final boolean ltr = getComponentOrientation ().isLeftToRight ();
// Transition effect
final SlideTransitionEffect effect = new SlideTransitionEffect ();
effect.setType ( SlideType.moveBoth );
effect.setDirection ( oldShownDate.getTime () > shownDate.getTime () ? getNextDirection ( ltr ) : getPrevDirection ( ltr ) );
effect.setSpeed ( 20 );
monthDaysTransition.setTransitionEffect ( effect );
// Starting animated transition
monthDaysTransition.performTransition ( monthDays );
}
else
{
// Simply updating current dates panel
updateMonth ( monthDays );
requestFocusToSelected ();
}
}
/**
* Changes displayed month.
*
* @param change months change amount
*/
protected void changeMonth ( int change )
{
// Reverse date change due to reversed orientation
if ( !getComponentOrientation ().isLeftToRight () )
{
change = -change;
}
final Calendar calendar = Calendar.getInstance ();
calendar.setTime ( shownDate );
calendar.set ( Calendar.DAY_OF_MONTH, 1 );
calendar.set ( Calendar.MONTH, calendar.get ( Calendar.MONTH ) + change );
setShownDate ( calendar.getTime () );
}
/**
* Changes displayed year.
*
* @param change years change amount
*/
protected void changeYear ( int change )
{
// Reverse date change due to reversed orientation
if ( !getComponentOrientation ().isLeftToRight () )
{
change = -change;
}
final Calendar calendar = Calendar.getInstance ();
calendar.setTime ( shownDate );
calendar.set ( Calendar.DAY_OF_MONTH, 1 );
calendar.set ( Calendar.YEAR, calendar.get ( Calendar.YEAR ) + change );
setShownDate ( calendar.getTime () );
}
/**
* Returns content columns.
*
* @return content columns
*/
protected double[] getContentColumns ()
{
final double f = TableLayout.FILL;
final double p = TableLayout.PREFERRED;
return displayWeekNumbers ? new double[]{ f, p, f, p, f, p, f, p, f, p, f, p, f, p, f } :
new double[]{ f, p, f, p, f, p, f, p, f, p, f, p, f };
}
/**
* Returns first content column.
*
* @return first content column
*/
protected int getFirstDatesColumn ()
{
return displayWeekNumbers ? 2 : 0;
}
/**
* Creates and returns month panel.
*
* @return created month panel
*/
protected WebPanel createMonthPanel ()
{
final double f = TableLayout.FILL;
final double[] cols = getContentColumns ();
final double[] rows = { f, f, f, f, f, f };
return new WebPanel ( StyleId.calendarMonthPanel.at ( this ), new TableLayout ( new double[][]{ cols, rows }, 0, 0 ) );
}
/**
* Requests focus to last selected date button.
*/
protected void requestFocusToSelected ()
{
if ( lastSelectedDayButton != null )
{
lastSelectedDayButton.requestFocusInWindow ();
}
}
/**
* Returns next month transition direction.
*
* @param ltr whether LTR orientation or not
* @return next month transition direction
*/
protected Direction getNextDirection ( final boolean ltr )
{
return horizontalSlide ? ltr ? Direction.right : Direction.left : Direction.up;
}
/**
* Returns previous month transition direction.
*
* @param ltr whether LTR orientation or not
* @return previous month transition direction
*/
protected Direction getPrevDirection ( final boolean ltr )
{
return horizontalSlide ? ltr ? Direction.left : Direction.right : Direction.down;
}
/**
* Updates week headers.
*/
protected void updateWeekHeaders ()
{
weekHeaders.removeAll ();
final double[] cols = getContentColumns ();
final double[] rows = { TableLayout.PREFERRED };
weekHeaders.setLayout ( new TableLayout ( new double[][]{ cols, rows } ) );
final StyleId separatorId = StyleId.calendarWeekTitleSeparator.at ( weekHeaders );
final StyleId weekNumberId = StyleId.calendarWeekTitleLabel.at ( weekHeaders );
final StyleId dayOfWeekId = StyleId.calendarWeekTitleLabel.at ( weekHeaders );
if ( displayWeekNumbers )
{
final WebLabel weekNumber = new WebLabel ( weekNumberId, "weblaf.ex.calendar.weekNumber" );
weekNumber.setFontSizeAndStyle ( 10, Font.BOLD );
weekHeaders.add ( weekNumber, "0,0" );
weekHeaders.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "1,0" );
}
int col = getFirstDatesColumn ();
for ( int i = 1; i <= 7; i++ )
{
final int day = !startWeekFromSunday ? i : i == 1 ? 7 : i - 1;
final WebLabel dayOfWeekLabel = new WebLabel ( dayOfWeekId, "weblaf.ex.calendar.dayOfWeek." + day );
dayOfWeekLabel.setFontSizeAndStyle ( 10, Font.BOLD );
weekHeaders.add ( dayOfWeekLabel, col + ",0" );
col++;
if ( i < 7 )
{
weekHeaders.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), col + ",0" );
col++;
}
}
weekHeaders.revalidate ();
weekHeaders.repaint ();
}
/**
* Updates displayed month date buttons.
*
* @param monthDays panel to update
*/
protected void updateMonth ( final JPanel monthDays )
{
monthDays.removeAll ();
lastSelectedDayButton = null;
// Separators
final StyleId separatorId = StyleId.calendarMonthDateSeparator.at ( monthDays );
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "1,0,1,5" );
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "3,0,3,5" );
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "5,0,5,5" );
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "7,0,7,5" );
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "9,0,9,5" );
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "11,0,11,5" );
if ( displayWeekNumbers )
{
monthDays.add ( new WebSeparator ( separatorId, WebSeparator.VERTICAL ), "13,0,13,5" );
}
final ButtonGroup dates = new ButtonGroup ();
final Calendar calendar = Calendar.getInstance ();
calendar.setTime ( shownDate );
calendar.set ( Calendar.DAY_OF_MONTH, 1 );
final int max = getContentColumns ().length;
int col = getFirstDatesColumn ();
int row = 0;
int days = 0;
// Applying start week day shift
final int dayOfWeek = calendar.get ( Calendar.DAY_OF_WEEK );
final int shift;
switch ( dayOfWeek )
{
case Calendar.MONDAY:
shift = startWeekFromSunday ? 1 : 7;
break;
case Calendar.TUESDAY:
shift = startWeekFromSunday ? 2 : 1;
break;
case Calendar.WEDNESDAY:
shift = startWeekFromSunday ? 3 : 2;
break;
case Calendar.THURSDAY:
shift = startWeekFromSunday ? 4 : 3;
break;
case Calendar.FRIDAY:
shift = startWeekFromSunday ? 5 : 4;
break;
case Calendar.SATURDAY:
shift = startWeekFromSunday ? 6 : 5;
break;
case Calendar.SUNDAY:
shift = startWeekFromSunday ? 7 : 6;
break;
default:
shift = 0;
break;
}
TimeUtils.changeByDays ( calendar, -shift );
// Week numbers
if ( displayWeekNumbers )
{
final StyleId weekNumberId = StyleId.calendarWeekTitleLabel.at ( weekHeaders );
int week = calendar.get ( Calendar.WEEK_OF_YEAR );
for ( int i = 0; i < 6; i++ )
{
final WebLabel weekNumberLabel = new WebLabel ( weekNumberId, "" + week );
weekNumberLabel.setFontSizeAndStyle ( 10, Font.BOLD );
monthDays.add ( weekNumberLabel, "0," + i );
week++;
}
}
// Month before
while ( calendar.get ( Calendar.DAY_OF_MONTH ) > 1 )
{
final Date thisDate = calendar.getTime ();
final StyleId dayId = StyleId.calendarPreviousMonthDateToggleButton.at ( monthDays );
final WebToggleButton day = new WebToggleButton ( dayId, "" + calendar.get ( Calendar.DAY_OF_MONTH ) );
day.addItemListener ( new ItemListener ()
{
@Override
public void itemStateChanged ( final ItemEvent e )
{
final WebToggleButton dayButton = ( WebToggleButton ) e.getSource ();
if ( dayButton.isSelected () )
{
setDateImpl ( thisDate );
}
}
} );
if ( dateCustomizer != null )
{
dateCustomizer.customize ( day, thisDate );
}
monthDays.add ( day, col + "," + row );
dates.add ( day );
TimeUtils.increaseByDay ( calendar );
days++;
col += 2;
if ( col > max )
{
col = getFirstDatesColumn ();
row++;
}
}
// Current month
do
{
final boolean weekend = calendar.get ( Calendar.DAY_OF_WEEK ) == 1 || calendar.get ( Calendar.DAY_OF_WEEK ) == 7;
final boolean selected = date != null && TimeUtils.isSameDay ( calendar, date.getTime () );
final Date thisDate = calendar.getTime ();
final StyleId dayId = weekend ? StyleId.calendarWeekendMonthDateToggleButton.at ( monthDays ) :
StyleId.calendarCurrentMonthDateToggleButton.at ( monthDays );
final WebToggleButton day = new WebToggleButton ( dayId, "" + calendar.get ( Calendar.DAY_OF_MONTH ) );
day.setSelected ( selected );
day.addActionListener ( new ActionListener ()
{
@Override
public void actionPerformed ( final ActionEvent e )
{
lastSelectedDayButton = ( WebToggleButton ) e.getSource ();
setDateImpl ( thisDate );
}
} );
if ( dateCustomizer != null )
{
dateCustomizer.customize ( day, thisDate );
}
monthDays.add ( day, col + "," + row );
dates.add ( day );
if ( selected )
{
lastSelectedDayButton = day;
}
TimeUtils.increaseByDay ( calendar );
days++;
col += 2;
if ( col > max )
{
col = getFirstDatesColumn ();
row++;
}
}
while ( calendar.get ( Calendar.DAY_OF_MONTH ) > 1 );
// Month after
final int left = 6 * 7 - days;
for ( int i = 1; i <= left; i++ )
{
final Date thisDate = calendar.getTime ();
final StyleId dayId = StyleId.calendarNextMonthDateToggleButton.at ( monthDays );
final WebToggleButton day = new WebToggleButton ( dayId, "" + calendar.get ( Calendar.DAY_OF_MONTH ) );
day.addItemListener ( new ItemListener ()
{
@Override
public void itemStateChanged ( final ItemEvent e )
{
final WebToggleButton dayButton = ( WebToggleButton ) e.getSource ();
if ( dayButton.isSelected () )
{
setDateImpl ( thisDate );
}
}
} );
if ( dateCustomizer != null )
{
dateCustomizer.customize ( day, thisDate );
}
monthDays.add ( day, col + "," + row );
dates.add ( day );
TimeUtils.increaseByDay ( calendar );
col += 2;
if ( col > max )
{
col = getFirstDatesColumn ();
row++;
}
}
monthDays.revalidate ();
monthDays.repaint ();
}
/**
* Returns title format.
*
* @return title format
*/
public SimpleDateFormat getTitleFormat ()
{
return titleFormat;
}
/**
* Sets title format.
*
* @param titleFormat title format
*/
public void setTitleFormat ( final SimpleDateFormat titleFormat )
{
this.titleFormat = titleFormat;
updateTitleLabel ();
}
/**
* Returns currently selected date.
*
* @return currently selected date
*/
public Date getDate ()
{
return date;
}
/**
* Sets currently selected and displayed date.
*
* @param date date to select and display
*/
public void setDate ( final Date date )
{
setDate ( date, isAnimate () );
}
/**
* Sets currently selected and displayed date.
*
* @param date date to select and display
* @param animate whether should animate month transition or not
*/
public void setDate ( final Date date, final boolean animate )
{
if ( !CompareUtils.equals ( this.date, date ) )
{
setDateImpl ( date, animate );
}
}
/**
* Sets currently selected and displayed date.
*
* @param date date to select and display
*/
protected void setDateImpl ( final Date date )
{
setDateImpl ( date, isAnimate () );
}
/**
* Sets currently selected and displayed date.
*
* @param date date to select and display
* @param animate whether should animate month transition or not
*/
protected void setDateImpl ( final Date date, final boolean animate )
{
this.date = date;
setShownDate ( date, animate );
fireDateSelected ( date );
}
/**
* Returns displayed month date.
*
* @return displayed month date
*/
public Date getShownDate ()
{
return shownDate;
}
/**
* Sets displayed month date.
*
* @param date displayed month date
*/
public void setShownDate ( final Date date )
{
setShownDate ( date, isAnimate () );
}
/**
* Sets displayed month date.
*
* @param date displayed month date
* @param animate whether should animate month transition or not
*/
public void setShownDate ( Date date, final boolean animate )
{
// Do not allow displayed date to be null
if ( date == null )
{
date = new Date ();
}
this.oldShownDate = this.shownDate;
this.shownDate = date;
final Calendar calendar = Calendar.getInstance ();
calendar.setTime ( oldShownDate );
final int oldMonth = calendar.get ( Calendar.MONTH );
final int oldYear = calendar.get ( Calendar.YEAR );
calendar.setTime ( date );
final int newMonth = calendar.get ( Calendar.MONTH );
final int newYear = calendar.get ( Calendar.YEAR );
if ( oldMonth != newMonth || oldYear != newYear )
{
updateTitleLabel ();
updateMonth ( animate );
}
}
/**
* Returns whether sunday should be the first day of week or not.
*
* @return true if sunday should be the first day of week, false otherwise
*/
public boolean isStartWeekFromSunday ()
{
return startWeekFromSunday;
}
/**
* Sets whether sunday should be the first day of week or not.
*
* @param startWeekFromSunday whether sunday should be the first day of week or not
*/
public void setStartWeekFromSunday ( final boolean startWeekFromSunday )
{
this.startWeekFromSunday = startWeekFromSunday;
updateWeekHeaders ();
updateMonth ( monthDays );
}
/**
* Returns whether week numbers are displayed or not.
*
* @return true if week numbers are displayed, false otherwise
*/
public boolean isDisplayWeekNumbers ()
{
return displayWeekNumbers;
}
/**
* Sets whether should display week numbers or not.
*
* @param display whether should display week numbers or not
*/
public void setDisplayWeekNumbers ( final boolean display )
{
this.displayWeekNumbers = display;
updateWeekHeaders ();
updateMonth ( monthDays );
}
/**
* Returns whether should animate month transitions or not.
*
* @return true if should animate month transitions, false otherwise
*/
public boolean isAnimate ()
{
return animate;
}
/**
* Sets whether should animate month transitions or not.
*
* @param animate whether should animate month transitions or not
*/
public void setAnimate ( final boolean animate )
{
this.animate = animate;
}
/**
* Returns whether should perform horizontal slide animation or not.
*
* @return true if should perform horizontal slide animation, false otherwise
*/
public boolean isHorizontalSlide ()
{
return horizontalSlide;
}
/**
* Sets whether should perform horizontal slide animation or not.
*
* @param horizontalSlide whether should perform horizontal slide animation or not
*/
public void setHorizontalSlide ( final boolean horizontalSlide )
{
this.horizontalSlide = horizontalSlide;
}
/**
* Returns date buttons customizer.
*
* @return date buttons customizer
*/
public DateCustomizer getDateCustomizer ()
{
return dateCustomizer;
}
/**
* Sets date buttons customizer.
*
* @param dateCustomizer date buttons customizer
*/
public void setDateCustomizer ( final DateCustomizer dateCustomizer )
{
this.dateCustomizer = dateCustomizer;
updateMonth ( monthDays );
}
@Override
public void setEnabled ( final boolean enabled )
{
super.setEnabled ( enabled );
SwingUtils.setEnabledRecursively ( this, enabled, true );
}
/**
* Adds date selection listener.
*
* @param listener date selection listener
*/
public void addDateSelectionListener ( final DateListener listener )
{
dateListeners.add ( listener );
}
/**
* Removes date selection listener.
*
* @param listener date selection listener
*/
public void removeDateSelectionListener ( final DateListener listener )
{
dateListeners.remove ( listener );
}
/**
* Informs about date selection change.
*
* @param date new selected date
*/
public void fireDateSelected ( final Date date )
{
for ( final DateListener listener : CollectionUtils.copy ( dateListeners ) )
{
listener.dateChanged ( date );
}
}
}