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Experimental components for JavaFX 2
/**
* Copyright (c) 2011, JFXtras
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package jfxtras.labs.scene.control;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.List;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.ListChangeListener;
import javafx.collections.ObservableList;
import javax.time.calendar.LocalDate;
/**
* Calendar picker component
* The calendar is (and should) be treated as immutable. That means the setter is not used, but when a value is changed a new instance (clone) is put in the calendar property.
*
* @author Tom Eugelink
*/
public class CalendarPicker2 extends LocalDatePicker
{
// ==================================================================================================================
// CONSTRUCTOR
/**
*
*/
public CalendarPicker2()
{
construct();
}
/*
*
*/
private void construct()
{
// construct properties
constructCalendar();
constructCalendars();
}
// ==================================================================================================================
// PROPERTIES
/** Calendar: */
public ObjectProperty calendarProperty() { return calendarObjectProperty; }
final private ObjectProperty calendarObjectProperty = new SimpleObjectProperty(this, "calendar");
// construct property
private void constructCalendar()
{
// if this value is changed by binding, make sure related things are updated
calendarProperty().addListener(new ChangeListener()
{
@Override
public void changed(ObservableValue observableValue, Calendar oldValue, Calendar newValue)
{
localDateProperty().set(createLocalDateFromCalendar(newValue));
}
});
// if the inherited value is changed, make sure calendar is updated
localDateProperty().addListener(new ChangeListener()
{
@Override
public void changed(ObservableValue observableValue, LocalDate oldValue, LocalDate newValue)
{
calendarObjectProperty.set( newValue == null ? null : createCalendarFromLocalDate(newValue));
}
});
}
// java bean API
public Calendar getCalendar() { return calendarObjectProperty.getValue(); }
public void setCalendar(Calendar value) { calendarObjectProperty.setValue(value); }
public CalendarPicker2 withCalendar(Calendar value) { setCalendar(value); return this; }
/** Calendars: */
public ObservableList calendars() { return calendars; }
final private ObservableList calendars = javafx.collections.FXCollections.observableArrayList();
// construct property
private void constructCalendars()
{
// forward changes
calendars().addListener(new ListChangeListener()
{
@Override
public void onChanged(ListChangeListener.Change change)
{
while (change.next())
{
for (Calendar lCalendar : change.getRemoved())
{
LocalDate lLocalDate = createLocalDateFromCalendar(lCalendar);
if (localDates().contains(lLocalDate)) localDates().remove(lLocalDate);
}
for (Calendar lCalendar : change.getAddedSubList())
{
LocalDate lLocalDate = createLocalDateFromCalendar(lCalendar);
if (localDates().contains(lLocalDate) == false) localDates().add(lLocalDate);
}
}
}
});
// handle changes
localDates().addListener(new ListChangeListener()
{
@Override
public void onChanged(ListChangeListener.Change change)
{
while (change.next())
{
for (LocalDate lLocalDate : change.getRemoved())
{
Calendar lCalendar = createCalendarFromLocalDate(lLocalDate);
if (calendars().contains(lCalendar)) calendars().remove(lCalendar);
}
for (LocalDate lLocalDate : change.getAddedSubList())
{
Calendar lCalendar = createCalendarFromLocalDate(lLocalDate);
if (calendars().contains(lCalendar) == false) calendars().add(lCalendar);
}
}
}
});
}
// ==================================================================================================================
// SUPPORT
/**
*
* @param localDate
* @return
*/
private Calendar createCalendarFromLocalDate(LocalDate localDate)
{
if (localDate == null) return null;
Calendar lCalendar = Calendar.getInstance(getLocale());
lCalendar.set(Calendar.YEAR, localDate.getYear());
lCalendar.set(Calendar.MONTH, localDate.getMonthOfYear().getValue() - 1);
lCalendar.set(Calendar.DATE, localDate.getDayOfMonth());
lCalendar.set(Calendar.HOUR_OF_DAY, 0);
lCalendar.set(Calendar.MINUTE, 0);
lCalendar.set(Calendar.SECOND, 0);
lCalendar.set(Calendar.MILLISECOND, 0);
return lCalendar;
}
/**
*
* @param calendar
* @return
*/
private LocalDate createLocalDateFromCalendar(Calendar calendar)
{
if (calendar == null) return null;
LocalDate lLocalDate = LocalDate.of(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH) + 1, calendar.get(Calendar.DATE));
return lLocalDate;
}
/**
* A quick utility method to make a calendar instance human readable
* @param value
* @return
*/
static public String quickFormatCalendar(Calendar value)
{
if (value == null) return "null";
SimpleDateFormat lSimpleDateFormat = (SimpleDateFormat)SimpleDateFormat.getDateInstance(SimpleDateFormat.LONG);
lSimpleDateFormat.applyPattern("yyyy-MM-dd");
return value == null ? "null" : lSimpleDateFormat.format(value.getTime());
}
/**
* A quick utility method to make a list of calendar instances human readable
* @param value
* @return
*/
static public String quickFormatCalendar(List value)
{
if (value == null) return "null";
String s = value.size() + "x [";
for (Calendar lCalendar : value)
{
if (s.endsWith("[") == false) s += ", ";
s += quickFormatCalendar(lCalendar);
}
s += "]";
return s;
}
}