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Java 8 Swing Date Picker. Easy to use, good looking, nice features, and
localized. Uses the JSR-310 standard.
package com.github.lgooddatepicker.demo;
import com.github.lgooddatepicker.calendarpanel.CalendarPanel;
import com.github.lgooddatepicker.zinternaltools.DemoPanel;
import com.github.lgooddatepicker.datepicker.DatePicker;
import javax.swing.JButton;
import javax.swing.JFrame;
import java.awt.event.ActionEvent;
import java.util.Locale;
import java.awt.Color;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.GridBagConstraints;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JPanel;
import com.github.lgooddatepicker.datepicker.DatePickerSettings;
import com.github.lgooddatepicker.optionalusertools.DateChangeListener;
import com.github.lgooddatepicker.optionalusertools.PickerUtilities;
import com.github.lgooddatepicker.zinternaltools.DateChangeEvent;
import com.github.lgooddatepicker.zinternaltools.InternalUtilities;
import com.github.lgooddatepicker.zinternaltools.WrapLayout;
import com.github.lgooddatepicker.zinternaltools.CalendarSelectionEvent;
import com.github.lgooddatepicker.zinternaltools.DateTimeChangeEvent;
import com.github.lgooddatepicker.zinternaltools.TimeChangeEvent;
import com.github.lgooddatepicker.optionalusertools.DateVetoPolicy;
import com.github.lgooddatepicker.optionalusertools.DateHighlightPolicy;
import com.github.lgooddatepicker.optionalusertools.TimeChangeListener;
import com.github.lgooddatepicker.optionalusertools.TimeVetoPolicy;
import com.github.lgooddatepicker.datetimepicker.DateTimePicker;
import com.github.lgooddatepicker.optionalusertools.DateTimeChangeListener;
import com.github.lgooddatepicker.timepicker.TimePicker;
import com.github.lgooddatepicker.timepicker.TimePickerSettings;
import com.github.lgooddatepicker.timepicker.TimePickerSettings.TimeIncrement;
import com.privatejgoodies.forms.factories.CC;
import javax.swing.border.LineBorder;
import com.github.lgooddatepicker.optionalusertools.CalendarSelectionListener;
import com.github.lgooddatepicker.zinternaltools.HighlightInformation;
import java.awt.Dimension;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionListener;
import java.io.InputStream;
import java.net.URL;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.Month;
import java.time.format.DateTimeFormatter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.ImageIcon;
/**
* FullDemo, This class contains a demonstration of various features of the DatePicker library
* components.
*
* Optional features: Most of the features shown in this demo are optional. The simplest usage only
* requires creating a date picker instance and adding it to a panel or window. The selected date
* can then be retrieved with the function datePicker.getDate(). For a simpler demo, see
* "BasicDemo.java".
*
* Running the demo: This is an executable demonstration. To run the demo, click "run file" (or the
* equivalent command) for the class in your IDE.
*/
public class FullDemo {
// This holds our main frame.
static JFrame frame;
// This holds our display panel.
static DemoPanel panel;
// These hold date pickers.
static DatePicker datePicker;
static DatePicker datePicker1;
static DatePicker datePicker2;
// These hold time pickers.
static TimePicker timePicker;
static TimePicker timePicker1;
static TimePicker timePicker2;
// These hold DateTimePickers.
static DateTimePicker dateTimePicker1;
static DateTimePicker dateTimePicker2;
static DateTimePicker dateTimePicker3;
static DateTimePicker dateTimePicker4;
static DateTimePicker dateTimePicker5;
// Date pickers are placed on the rows at a set interval.
static final int rowMultiplier = 4;
/**
* main, The application entry point.
*/
public static void main(String[] args) {
///////////////////////////////////////////////////////////////////////////////////////////
// If desired, set a swing look and feel here.
try {
/*
// Set a specific look and feel.
for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
UIManager.setLookAndFeel(info.getClassName());
break;
}
}
// Set a random look and feel.
LookAndFeelInfo[] installedLooks = UIManager.getInstalledLookAndFeels();
int lookIndex = (int) (Math.random() * installedLooks.length);
UIManager.setLookAndFeel(installedLooks[lookIndex].getClassName());
System.out.println(installedLooks[lookIndex].getClassName().toString());
*/
} catch (Exception e) {
}
///////////////////////////////////////////////////////////////////////////////////////////
// Create a frame, a panel, and our demo buttons.
frame = new JFrame();
frame.setTitle("LGoodDatePicker Demo " + InternalUtilities.getProjectVersionString());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel = new DemoPanel();
frame.getContentPane().add(panel);
createDemoButtons();
///////////////////////////////////////////////////////////////////////////////////////////
// This section creates DatePickers, with various features.
//
// Create a settings variable for repeated use.
DatePickerSettings dateSettings;
int row = rowMultiplier;
// Create a date picker: With default settings
datePicker1 = new DatePicker();
panel.panel1.add(datePicker1, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 1, Default Settings:");
// Create a date picker: With highlight policy.
dateSettings = new DatePickerSettings();
datePicker2 = new DatePicker(dateSettings);
dateSettings.highlightPolicy = new SampleHighlightPolicy();
panel.panel1.add(datePicker2, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 2, Highlight Policy:");
// Create a date picker: With veto policy.
// Note: Veto policies can only be set after constructing the date picker.
dateSettings = new DatePickerSettings();
datePicker = new DatePicker(dateSettings);
dateSettings.setVetoPolicy(new SampleDateVetoPolicy());
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 3, Veto Policy:");
// Create a date picker: With both policies.
// Note: Veto policies can only be set after constructing the date picker.
dateSettings = new DatePickerSettings();
datePicker = new DatePicker(dateSettings);
dateSettings.highlightPolicy = new SampleHighlightPolicy();
dateSettings.setVetoPolicy(new SampleDateVetoPolicy());
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 4, Both Policies:");
// Create a date picker: Change calendar size.
dateSettings = new DatePickerSettings();
dateSettings.sizeDatePanelMinimumHeight *= 1.6;
dateSettings.sizeDatePanelMinimumWidth *= 1.6;
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 5, Change Calendar Size:");
// Create a date picker: Custom color.
dateSettings = new DatePickerSettings();
dateSettings.colorBackgroundCalendarPanel = Color.green;
dateSettings.colorBackgroundWeekdayLabels = Color.orange;
dateSettings.colorBackgroundMonthAndYear = Color.yellow;
dateSettings.colorBackgroundTodayAndClear = Color.yellow;
dateSettings.colorBackgroundNavigateYearMonthButtons = Color.cyan;
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 6, Change Colors:");
// Create a date picker: Custom button icon.
// You can replace the example image with any image file that is desired.
// See also: JButton.setPressedIcon() and JButton.setDisabledIcon().
// Get the example image icon.
URL dateImageURL = FullDemo.class.getResource("/images/datepickerbutton1.png");
Image dateExampleImage = Toolkit.getDefaultToolkit().getImage(dateImageURL);
ImageIcon dateExampleIcon = new ImageIcon(dateExampleImage);
// Create the date picker, and apply the image icon.
dateSettings = new DatePickerSettings();
dateSettings.setInitialDateToToday();
datePicker = new DatePicker(dateSettings);
JButton datePickerButton = datePicker.getComponentToggleCalendarButton();
datePickerButton.setText("");
datePickerButton.setIcon(dateExampleIcon);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 7, Custom Icon:");
// Create a date picker: Custom font.
dateSettings = new DatePickerSettings();
dateSettings.setFontValidDate(new Font("Monospaced", Font.ITALIC | Font.BOLD, 17));
dateSettings.colorTextValidDate = new Color(0, 100, 0);
dateSettings.setInitialDateToToday();
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 8, Custom Font:");
// Create a date picker: Custom Date Format.
// When creating a date pattern string for BCE dates, use "u" instead of "y" for the year.
// For more details about that, see: DatePickerSettings.setFormatForDatesBeforeCommonEra().
// The various codes for the date pattern string are described at this link:
// https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html
dateSettings = new DatePickerSettings();
dateSettings.setFormatForDatesCommonEra("yyyy/MM/dd");
dateSettings.setFormatForDatesBeforeCommonEra("uuuu/MM/dd");
dateSettings.setInitialDateToToday();
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 9, Custom Date Format:");
// Create a date picker: Another Custom Date Format.
// When creating a date pattern string for BCE dates, use "u" instead of "y" for the year.
// For more details about that, see: DatePickerSettings.setFormatForDatesBeforeCommonEra().
// The various codes for the date pattern string are described at this link:
// https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html
dateSettings = new DatePickerSettings();
dateSettings.setFormatForDatesCommonEra("d MMM yyyy");
dateSettings.setFormatForDatesBeforeCommonEra("d MMM uuuu");
dateSettings.setInitialDateToToday();
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 10, Another Custom Date Format:");
// Create a date picker: Change first weekday.
dateSettings = new DatePickerSettings();
dateSettings.firstDayOfWeek = DayOfWeek.MONDAY;
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 11, Set First Day Of Week (Mon):");
// Create a date picker: No empty dates. (aka null)
dateSettings = new DatePickerSettings();
dateSettings.setAllowEmptyDates(false);
datePicker = new DatePicker(dateSettings);
datePicker.addDateChangeListener(new SampleDateChangeListener("datePicker12 (Disallow Empty Dates or Null), "));
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 12, Disallow Empty Dates:");
// Create a date picker: Disallow keyboard editing.
dateSettings = new DatePickerSettings();
dateSettings.setAllowKeyboardEditing(false);
dateSettings.setInitialDateToToday();
datePicker = new DatePicker(dateSettings);
panel.panel1.add(datePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel1, 1, (row++ * rowMultiplier), "Date 13, Disallow Keyboard Editing:");
///////////////////////////////////////////////////////////////////////////////////////////
// This section creates TimePickers. (1 to 5)
//
// Create some variables for repeated use.
TimePickerSettings timeSettings;
row = rowMultiplier;
// Create a time picker: With default settings
timePicker1 = new TimePicker();
panel.panel2.add(timePicker1, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 1, Default Settings:");
// Create a time picker: With No Buttons.
timeSettings = new TimePickerSettings();
timeSettings.setDisplayToggleTimeMenuButton(false);
timeSettings.setInitialTimeToNow();
timePicker2 = new TimePicker(timeSettings);
panel.panel2.add(timePicker2, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 2, No Buttons:");
// Create a time picker: With Spinner Buttons.
timeSettings = new TimePickerSettings();
timeSettings.setDisplayToggleTimeMenuButton(false);
timeSettings.setDisplaySpinnerButtons(true);
timeSettings.setInitialTimeToNow();
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 3, With Spinner Buttons:");
// Create a time picker: With All Buttons.
timeSettings = new TimePickerSettings();
timeSettings.setDisplaySpinnerButtons(true);
timeSettings.setInitialTimeToNow();
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 4, With All Buttons:");
// Create a time picker: 15 minute interval, and 24 hour clock.
timeSettings = new TimePickerSettings();
timeSettings.use24HourClockFormat();
timeSettings.initialTime = LocalTime.of(15, 30);
timeSettings.generatePotentialMenuTimes(TimeIncrement.FifteenMinutes, null, null);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 5, Interval 15 minutes, and 24 hour clock:");
// Create a time picker: Localized (Chinese).
Locale chineseLocale = new Locale("zh");
timeSettings = new TimePickerSettings(chineseLocale);
timeSettings.initialTime = LocalTime.now();
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 6, Localized (to Chinese):");
// Create a time picker: Custom button icon.
// You can replace the example image with any desired image file.
// See also: JButton.setPressedIcon() and JButton.setDisabledIcon().
// Get the example image icon.
URL timeIconURL = FullDemo.class.getResource("/images/timepickerbutton1.png");
Image timeExampleImage = Toolkit.getDefaultToolkit().getImage(timeIconURL);
ImageIcon timeExampleIcon = new ImageIcon(timeExampleImage);
// Create the time picker, and apply the image icon.
timeSettings = new TimePickerSettings();
timeSettings.initialTime = LocalTime.of(15, 00);
timePicker = new TimePicker(timeSettings);
JButton timePickerButton = timePicker.getComponentToggleTimeMenuButton();
timePickerButton.setText("");
timePickerButton.setIcon(timeExampleIcon);
// Adjust the button size to fit the new icon.
Dimension newTimeButtonSize = new Dimension(
timeExampleIcon.getIconWidth() + 4, timeExampleIcon.getIconHeight() + 4);
timePickerButton.setPreferredSize(newTimeButtonSize);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 7, Custom Icon:");
///////////////////////////////////////////////////////////////////////////////////////////
// This section creates DateTimePickers. (1 to 5)
//
// Create a DateTimePicker: Default settings
dateTimePicker1 = new DateTimePicker();
panel.panel2.add(dateTimePicker1, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "DateTimePicker 1, Default settings:");
// Create a DateTimePicker: Disallow empty dates and times.
dateSettings = new DatePickerSettings();
timeSettings = new TimePickerSettings();
dateSettings.setAllowEmptyDates(false);
timeSettings.setAllowEmptyTimes(false);
dateTimePicker2 = new DateTimePicker(dateSettings, timeSettings);
panel.panel2.add(dateTimePicker2, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "DateTimePicker 2, Disallow empty dates and times:");
// Create a DateTimePicker: With change listener.
dateTimePicker3 = new DateTimePicker();
dateTimePicker3.addDateTimeChangeListener(new SampleDateTimeChangeListener("dateTimePicker3"));
panel.panel2.add(dateTimePicker3, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "DateTimePicker 3, With Change Listener:");
///////////////////////////////////////////////////////////////////////////////////////////
// This section creates any remaining TimePickers.
// Create a time picker: Disallow Empty Times.
timeSettings = new TimePickerSettings();
timeSettings.setAllowEmptyTimes(false);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 8, Disallow Empty Times:");
// Create a time picker: With TimeChangeListener.
timeSettings = new TimePickerSettings();
timePicker = new TimePicker(timeSettings);
timePicker.addTimeChangeListener(new SampleTimeChangeListener("timePicker7"));
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 9, With a TimeChangeListener:");
// Create a time picker: With more visible rows.
timeSettings = new TimePickerSettings();
timeSettings.maximumVisibleMenuRows = 20;
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 10, With 20 visible menu rows:");
// Create a time picker: Custom Format.
timeSettings = new TimePickerSettings();
timeSettings.setFormatForDisplayTime("ha");
timeSettings.setFormatForMenuTimes("ha");
timeSettings.initialTime = LocalTime.of(15, 00);
timeSettings.generatePotentialMenuTimes(TimeIncrement.OneHour, null, null);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 11, Custom Format:");
// Create a time picker: With Veto Policy.
timeSettings = new TimePickerSettings();
timePicker = new TimePicker(timeSettings);
timeSettings.setVetoPolicy(new SampleTimeVetoPolicy());
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier),
"Time 12, With Veto Policy (Only 9a-5p allowed):");
// Create a time picker: Seconds precision.
timeSettings = new TimePickerSettings();
timeSettings.setFormatForDisplayTime(PickerUtilities.createFormatterFromPatternString(
"HH:mm:ss", timeSettings.getLocale()));
timeSettings.setFormatForMenuTimes(PickerUtilities.createFormatterFromPatternString(
"HH:mm", timeSettings.getLocale()));
timeSettings.initialTime = LocalTime.of(15, 00, 00);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 13, Seconds precision (ISO format):");
// Create a time picker: Milliseconds precision.
timeSettings = new TimePickerSettings();
timeSettings.setFormatForDisplayTime(PickerUtilities.createFormatterFromPatternString(
"HH:mm:ss.SSS", timeSettings.getLocale()));
timeSettings.setFormatForMenuTimes(PickerUtilities.createFormatterFromPatternString(
"HH:mm", timeSettings.getLocale()));
timeSettings.initialTime = LocalTime.of(15, 00, 00, 999000000);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 14, Millisecond precision (ISO format):");
// Create a time picker: Nanoseconds precision.
timeSettings = new TimePickerSettings();
DateTimeFormatter displayTimeFormatter = DateTimeFormatter.ISO_LOCAL_TIME;
timeSettings.setFormatForDisplayTime(displayTimeFormatter);
timeSettings.setFormatForMenuTimes(PickerUtilities.createFormatterFromPatternString(
"HH:mm", timeSettings.getLocale()));
timeSettings.initialTime = LocalTime.of(15, 00, 00, 999999999);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier),
"Time 15, Nanosecond precision:
(ISO format. Use \".\" to type nanoseconds.)");
// Create a time picker: Disallow Keyboard Editing.
timeSettings = new TimePickerSettings();
timeSettings.setAllowKeyboardEditing(false);
timePicker = new TimePicker(timeSettings);
panel.panel2.add(timePicker, getConstraints(1, (row * rowMultiplier), 1));
panel.addLabel(panel.panel2, 1, (row++ * rowMultiplier), "Time 16, Disallow Keyboard Editing:");
///////////////////////////////////////////////////////////////////////////////////////////
// This section creates any remaining DateTimePickers.
// (None here at the moment.)
///////////////////////////////////////////////////////////////////////////////////////////
// This section creates date pickers and labels for demonstrating the language translations.
int rowMarker = 0;
addLocalizedPickerAndLabel(++rowMarker, "Arabic:", "ar");
addLocalizedPickerAndLabel(++rowMarker, "Chinese:", "zh");
addLocalizedPickerAndLabel(++rowMarker, "Czech:", "cs");
addLocalizedPickerAndLabel(++rowMarker, "Danish:", "da");
addLocalizedPickerAndLabel(++rowMarker, "Dutch:", "nl");
addLocalizedPickerAndLabel(++rowMarker, "English:", "en");
addLocalizedPickerAndLabel(++rowMarker, "French:", "fr");
addLocalizedPickerAndLabel(++rowMarker, "German:", "de");
addLocalizedPickerAndLabel(++rowMarker, "Greek:", "el");
addLocalizedPickerAndLabel(++rowMarker, "Hindi:", "hi");
addLocalizedPickerAndLabel(++rowMarker, "Italian:", "it");
addLocalizedPickerAndLabel(++rowMarker, "Indonesian:", "in");
addLocalizedPickerAndLabel(++rowMarker, "Japanese:", "ja");
addLocalizedPickerAndLabel(++rowMarker, "Korean:", "ko");
addLocalizedPickerAndLabel(++rowMarker, "Polish:", "pl");
addLocalizedPickerAndLabel(++rowMarker, "Portuguese:", "pt");
addLocalizedPickerAndLabel(++rowMarker, "Romanian:", "ro");
addLocalizedPickerAndLabel(++rowMarker, "Russian:", "ru");
addLocalizedPickerAndLabel(++rowMarker, "Spanish:", "es");
addLocalizedPickerAndLabel(++rowMarker, "Swedish:", "sv");
addLocalizedPickerAndLabel(++rowMarker, "Turkish:", "tr");
addLocalizedPickerAndLabel(++rowMarker, "Vietnamese:", "vi");
// This section creates an independent CalendarPanel.
// This CalendarPanel includes a calendar selection listener and a border.
DatePickerSettings settings = new DatePickerSettings();
CalendarPanel calendarPanel = new CalendarPanel(settings);
calendarPanel.setSelectedDate(LocalDate.now());
calendarPanel.addCalendarSelectionListener(new SampleCalendarSelectionListener());
calendarPanel.setBorder(new LineBorder(Color.lightGray));
panel.independentCalendarPanel.add(calendarPanel, CC.xy(2, 2));
// Display the frame.
frame.pack();
frame.validate();
int maxWidth = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds().width;
int maxHeight = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds().height;
frame.setSize(maxWidth / 4 * 3, maxHeight / 8 * 7);
frame.setLocation(maxWidth / 8, maxHeight / 16);
frame.setVisible(true);
}
/**
* getConstraints, This returns a grid bag constraints object that can be used for placing a
* component appropriately into a grid bag layout.
*/
private static GridBagConstraints getConstraints(int gridx, int gridy, int gridwidth) {
GridBagConstraints gc = new GridBagConstraints();
gc.fill = GridBagConstraints.NONE;
gc.anchor = GridBagConstraints.WEST;
gc.gridx = gridx;
gc.gridy = gridy;
gc.gridwidth = gridwidth;
return gc;
}
/**
* addLocalizedPickerAndLabel, This creates a date picker whose locale is set to the specified
* language. This also sets the picker to today's date, creates a label for the date picker, and
* adds the components to the language panel.
*/
private static void addLocalizedPickerAndLabel(int rowMarker, String labelText,
String languageCode) {
// Create the localized date picker and label.
Locale locale = new Locale(languageCode);
DatePickerSettings settings = new DatePickerSettings(locale);
// Set a minimum size for the localized date pickers, to improve the look of the demo.
settings.setSizeTextFieldMinimumWidth(125);
settings.setSizeTextFieldMinimumWidthDefaultOverride(true);
settings.setInitialDateToToday();
DatePicker localizedDatePicker = new DatePicker(settings);
panel.panel4.add(localizedDatePicker, getConstraints(1, (rowMarker * rowMultiplier), 1));
panel.addLabel(panel.panel4, 1, (rowMarker * rowMultiplier), labelText);
}
/**
* setTimeOneWithTimeTwoButtonClicked, This sets the time in time picker one, to whatever time
* is currently set in time picker two.
*/
private static void setTimeOneWithTimeTwoButtonClicked(ActionEvent e) {
LocalTime timePicker2Time = timePicker2.getTime();
timePicker1.setTime(timePicker2Time);
// Display message.
String message = "The timePicker1 value was set using the timePicker2 value!\n\n";
String timeString = timePicker1.getTimeStringOrSuppliedString("(null)");
String messageAddition = ("The timePicker1 value is currently set to: " + timeString + ".");
panel.messageTextArea.setText(message + messageAddition);
}
/**
* setTwoWithY2KButtonClicked, This sets the date in date picker two, to New Years Day 2000.
*/
private static void setTwoWithY2KButtonClicked(ActionEvent e) {
// Set date picker date.
LocalDate dateY2K = LocalDate.of(2000, Month.JANUARY, 1);
datePicker2.setDate(dateY2K);
// Display message.
String dateString = datePicker2.getDateStringOrSuppliedString("(null)");
String message = "The datePicker2 date was set to New Years 2000!\n\n";
message += ("The datePicker2 date is currently set to: " + dateString + ".");
panel.messageTextArea.setText(message);
}
/**
* setOneWithTwoButtonClicked, This sets the date in date picker one, to whatever date is
* currently set in date picker two.
*/
private static void setOneWithTwoButtonClicked(ActionEvent e) {
// Set date from date picker 2.
LocalDate datePicker2Date = datePicker2.getDate();
datePicker1.setDate(datePicker2Date);
// Display message.
String message = "The datePicker1 date was set using the datePicker2 date!\n\n";
message += getDatePickerOneDateText();
panel.messageTextArea.setText(message);
}
/**
* setOneWithFeb31ButtonClicked, This sets the text in date picker one, to a nonexistent date
* (February 31st). The last valid date in a date picker is always saved. This is a programmatic
* demonstration of what happens when the user enters invalid text.
*/
private static void setOneWithFeb31ButtonClicked(ActionEvent e) {
// Set date picker text.
datePicker1.setText("February 31, 1950");
// Display message.
String message = "The datePicker1 text was set to: \"" + datePicker1.getText() + "\".\n";
message += "Note: The stored date (the last valid date), did not change because"
+ " February never has 31 days.\n\n";
message += getDatePickerOneDateText();
panel.messageTextArea.setText(message);
}
/**
* getOneAndShowButtonClicked, This retrieves and displays whatever date is currently set in
* date picker one.
*/
private static void getOneAndShowButtonClicked(ActionEvent e) {
// Get and display date picker text.
panel.messageTextArea.setText(getDatePickerOneDateText());
}
/**
* clearOneAndTwoButtonClicked, This clears date picker one.
*/
private static void clearOneAndTwoButtonClicked(ActionEvent e) {
// Clear the date pickers.
datePicker1.clear();
datePicker2.clear();
// Display message.
String message = "The datePicker1 and datePicker2 dates were cleared!\n\n";
message += getDatePickerOneDateText() + "\n";
String date2String = datePicker2.getDateStringOrSuppliedString("(null)");
message += ("The datePicker2 date is currently set to: " + date2String + ".");
panel.messageTextArea.setText(message);
}
/**
* getDatePickerOneDateText, This returns a string indicating the current date stored in date
* picker one.
*/
private static String getDatePickerOneDateText() {
// Create date string for date picker 1.
String dateString = datePicker1.getDateStringOrSuppliedString("(null)");
return ("The datePicker1 date is currently set to: " + dateString + ".");
}
/**
* createDemoButtons, This creates the buttons for the demo, adds an action listener to each
* button, and adds each button to the display panel.
*/
private static void createDemoButtons() {
JPanel buttonPanel = new JPanel(new WrapLayout());
panel.scrollPaneForButtons.setViewportView(buttonPanel);
// Create each demo button, and add it to the panel.
// Add an action listener to link it to its appropriate function.
JButton showIntro = new JButton("Show Introduction Message");
showIntro.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
showIntroductionClicked(e);
}
});
// showIntro.addActionListener(e -> showIntroductionClicked(e));
buttonPanel.add(showIntro);
JButton setTwoWithY2K = new JButton("Set DatePicker Two with New Years Day 2000");
setTwoWithY2K.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
setTwoWithY2KButtonClicked(e);
}
});
// setTwoWithY2K.addActionListener(e -> setTwoWithY2KButtonClicked(e));
buttonPanel.add(setTwoWithY2K);
JButton setDateOneWithTwo = new JButton("Set DatePicker One with the date in Two");
setDateOneWithTwo.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
setOneWithTwoButtonClicked(e);
}
});
// setDateOneWithTwo.addActionListener(e -> setOneWithTwoButtonClicked(e));
buttonPanel.add(setDateOneWithTwo);
JButton setOneWithFeb31 = new JButton("Set Text in DatePicker One to Feb 31, 1950");
setOneWithFeb31.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
setOneWithFeb31ButtonClicked(e);
}
});
// setOneWithFeb31.addActionListener(e -> setOneWithFeb31ButtonClicked(e));
buttonPanel.add(setOneWithFeb31);
JButton getOneAndShow = new JButton("Get and show the date in DatePicker One");
getOneAndShow.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
getOneAndShowButtonClicked(e);
}
});
// getOneAndShow.addActionListener(e -> getOneAndShowButtonClicked(e));
buttonPanel.add(getOneAndShow);
JButton clearOneAndTwo = new JButton("Clear DatePickers One and Two");
clearOneAndTwo.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
clearOneAndTwoButtonClicked(e);
}
});
// clearOneAndTwo.addActionListener(e -> clearOneAndTwoButtonClicked(e));
buttonPanel.add(clearOneAndTwo);
JButton toggleButton = new JButton("Toggle DatePicker One");
toggleButton.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
toggleDateOneButtonClicked();
}
});
buttonPanel.add(toggleButton);
JButton setTimeOneWithTwo = new JButton("TimePickers: Set TimePicker One with the time in Two");
setTimeOneWithTwo.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
setTimeOneWithTimeTwoButtonClicked(e);
}
});
// setTimeOneWithTwo.addActionListener(e -> setTimeOneWithTimeTwoButtonClicked(e));
buttonPanel.add(setTimeOneWithTwo);
JButton timeToggleButton = new JButton("Toggle TimePicker One");
timeToggleButton.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
toggleTimeOneButtonClicked();
}
});
buttonPanel.add(timeToggleButton);
// Add a button for showing system information.
JButton showSystemInformationButton = new JButton("JDK Versions");
showSystemInformationButton.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
showSystemInformationButtonClicked();
}
});
buttonPanel.add(showSystemInformationButton);
}
/**
* showIntroductionClicked, This displays an introduction message about the date picker.
*/
private static void showIntroductionClicked(ActionEvent e) {
panel.messageTextArea.setText("Interface: \nMost items in a date picker are clickable. "
+ "These include... The buttons for previous and next month, the buttons for "
+ "previous and next year, the \"today\" text, the \"clear\" text, and individual "
+ "dates. A click on the month or year label (at the top), will open a menu for "
+ "changing the month or year.\n\nGeneral features: \n* Automatic "
+ "internationalization. \n* Relatively compact source code.\n* Creating a "
+ "DatePicker, TimePicker, or DateTimePicker requires only one line of code.\n"
+ "* Open source code base.\n\n"
+ "Data types: \nThe standard Java 8 time library is used to store dates, "
+ "and they are convertible to other data types. \n(The Java 8 time package "
+ "is also called \"java.time\" or \"JSR-310\", and was developed by the author "
+ "of Joda Time.)\n\nVeto and Highlight Policies: \nThese policies are optional. "
+ "A veto policy restricts the dates that can be selected. A highlight policy "
+ "provides a visual highlight on desired dates, with optional tooltips. If today "
+ "is vetoed, the \"today\" button will be grey and disabled.\n\nDate values and "
+ "automatic validation: \nEvery date picker stores its current text, and its last "
+ "valid date. The last valid date is returned when you call DatePicker.getDate(). "
+ "If the user types into the text field, any text that is not a valid date will "
+ "be displayed in red, any vetoed date will have a strikethrough, and valid "
+ "dates will display in black. When the focus on a date picker is lost, the text "
+ "is always set to match the last valid date.\n\nTimePicker basic features: \n"
+ "Pressing the up or down arrow keys will change the displayed time by one "
+ "minute. Holding down the arrow keys, or holding the (optional) timespinner "
+ "buttons will change the time at an accelerating rate. Clicking the time drop "
+ "down button (or pressing the right arrow key) will open a time selection menu. "
+ "The default intervals and range in the time drop down menu may optionally be "
+ "changed by the programmer (in the TimePickerSettings class)."
+ "\n\n\n");
panel.messageTextArea.setCaretPosition(0);
}
/**
* toggleDateOneButtonClicked, This toggles (opens or closes) date picker one.
*/
private static void toggleDateOneButtonClicked() {
datePicker1.togglePopup();
String message = "The datePicker1 calendar popup is ";
message += (datePicker1.isPopupOpen()) ? "open!" : "closed!";
panel.messageTextArea.setText(message);
}
/**
* toggleTimeOneButtonClicked, This toggles (opens or closes) time picker one.
*/
private static void toggleTimeOneButtonClicked() {
timePicker1.togglePopup();
String message = "The timePicker1 menu popup is ";
message += (timePicker1.isPopupOpen()) ? "open!" : "closed!";
panel.messageTextArea.setText(message);
}
/**
* showSystemInformationButtonClicked, This shows the current system information.
*/
private static void showSystemInformationButtonClicked() {
String runningJavaVersion = InternalUtilities.getJavaRunningVersionAsString();
String targetJavaVersion = InternalUtilities.getJavaTargetVersionFromPom();
String projectVersion = InternalUtilities.getProjectVersionString();
boolean isBackport = ("1.6".equals(targetJavaVersion));
String message = "";
message += "## Current configuration ##";
message += "\nLGoodDatePicker version: \"LGoodDatePicker ";
message += (isBackport) ? ("Backport " + projectVersion) : (projectVersion + " (Standard)");
message += "\".";
message += "\nJava target version: Java " + targetJavaVersion;
message += "\nJava running version: " + runningJavaVersion;
message += "\n\nMinimum Requirements:"
+ "\n\"LGoodDatePicker Standard\" requires Java 1.8 (or above). "
+ "\n\"LGoodDatePicker Backport\" requires Java 1.6 or 1.7.";
panel.messageTextArea.setText(message);
}
/**
* SampleDateChangeListener, A date change listener provides a way for a class to receive
* notifications whenever the date has changed in a DatePicker.
*/
private static class SampleDateChangeListener implements DateChangeListener {
/**
* datePickerName, This holds a chosen name for the date picker that we are listening to,
* for generating date change messages in the demo.
*/
public String datePickerName;
/**
* Constructor.
*/
private SampleDateChangeListener(String datePickerName) {
this.datePickerName = datePickerName;
}
/**
* dateChanged, This function will be called each time that the date in the applicable date
* picker has changed. Both the old date, and the new date, are supplied in the event
* object. Note that either parameter may contain null, which represents a cleared or empty
* date.
*/
@Override
public void dateChanged(DateChangeEvent event) {
LocalDate oldDate = event.getOldDate();
LocalDate newDate = event.getNewDate();
String oldDateString = PickerUtilities.localDateToString(oldDate, "(null)");
String newDateString = PickerUtilities.localDateToString(newDate, "(null)");
String messageStart = "\nThe date in " + datePickerName + " has changed from: ";
String fullMessage = messageStart + oldDateString + " to: " + newDateString + ".";
if (!panel.messageTextArea.getText().startsWith(messageStart)) {
panel.messageTextArea.setText("");
}
panel.messageTextArea.append(fullMessage);
}
}
/**
* SampleDateTimeChangeListener, A DateTimeChangeListener provides a way for a class to receive
* notifications whenever the date or time has changed in a DateTimePicker.
*/
private static class SampleDateTimeChangeListener implements DateTimeChangeListener {
/**
* dateTimePickerName, This holds a chosen name for the component that we are listening to,
* for generating time change messages in the demo.
*/
public String dateTimePickerName;
/**
* Constructor.
*/
private SampleDateTimeChangeListener(String dateTimePickerName) {
this.dateTimePickerName = dateTimePickerName;
}
/**
* dateOrTimeChanged, This function will be called whenever the in date or time in the
* applicable DateTimePicker has changed.
*/
@Override
public void dateOrTimeChanged(DateTimeChangeEvent event) {
// Report on the overall DateTimeChangeEvent.
String messageStart = "\n\nThe LocalDateTime in " + dateTimePickerName + " has changed from: (";
String fullMessage = messageStart + event.getOldDateTime() + ") to (" + event.getNewDateTime() + ").";
if (!panel.messageTextArea.getText().startsWith(messageStart)) {
panel.messageTextArea.setText("");
}
panel.messageTextArea.append(fullMessage);
// Report on any DateChangeEvent, if one exists.
DateChangeEvent dateEvent = event.getDateChangeEvent();
if (dateEvent != null) {
String dateChangeMessage = "\nThe DatePicker value has changed from (" + dateEvent.getOldDate()
+ ") to (" + dateEvent.getNewDate() + ").";
panel.messageTextArea.append(dateChangeMessage);
}
// Report on any TimeChangeEvent, if one exists.
TimeChangeEvent timeEvent = event.getTimeChangeEvent();
if (timeEvent != null) {
String timeChangeMessage = "\nThe TimePicker value has changed from ("
+ timeEvent.getOldTime() + ") to (" + timeEvent.getNewTime() + ").";
panel.messageTextArea.append(timeChangeMessage);
}
}
}
/**
* SampleDateVetoPolicy, A veto policy is a way to disallow certain dates from being selected in
* calendar. A vetoed date cannot be selected by using the keyboard or the mouse.
*/
private static class SampleDateVetoPolicy implements DateVetoPolicy {
/**
* isDateAllowed, Return true if a date should be allowed, or false if a date should be
* vetoed.
*/
@Override
public boolean isDateAllowed(LocalDate date) {
// Disallow days 7 to 11.
if ((date.getDayOfMonth() >= 7) && (date.getDayOfMonth() <= 11)) {
return false;
}
// Disallow odd numbered saturdays.
if ((date.getDayOfWeek() == DayOfWeek.SATURDAY) && ((date.getDayOfMonth() % 2) == 1)) {
return false;
}
// Allow all other days.
return true;
}
}
/**
* SampleHighlightPolicy, A highlight policy is a way to visually highlight certain dates in the
* calendar. These may be holidays, or weekends, or other significant dates.
*/
private static class SampleHighlightPolicy implements DateHighlightPolicy {
/**
* getHighlightInformationOrNull, Implement this function to indicate if a date should be
* highlighted, and what highlighting details should be used for the highlighted date.
*
* If a date should be highlighted, then return an instance of HighlightInformation. If the
* date should not be highlighted, then return null.
*
* You may (optionally) fill out the fields in the HighlightInformation class to give any
* particular highlighted day a unique foreground color, background color, or tooltip text.
* If the color fields are null, then the default highlighting colors will be used. If the
* tooltip field is null (or empty), then no tooltip will be displayed.
*
* Dates that are passed to this function will never be null.
*/
@Override
public HighlightInformation getHighlightInformationOrNull(LocalDate date) {
// Highlight a chosen date, with a tooltip and a red background color.
if (date.getDayOfMonth() == 25) {
return new HighlightInformation(Color.red, null, "It's the 25th!");
}
// Highlight all Saturdays with a unique background and foreground color.
if (date.getDayOfWeek() == DayOfWeek.SATURDAY) {
return new HighlightInformation(Color.orange, Color.yellow, "It's Saturday!");
}
// Highlight all Sundays with default colors and a tooltip.
if (date.getDayOfWeek() == DayOfWeek.SUNDAY) {
return new HighlightInformation(null, null, "It's Sunday!");
}
// All other days should not be highlighted.
return null;
}
}
/**
* SampleTimeChangeListener, A time change listener provides a way for a class to receive
* notifications whenever the time has changed in a TimePicker.
*/
private static class SampleTimeChangeListener implements TimeChangeListener {
/**
* timePickerName, This holds a chosen name for the time picker that we are listening to,
* for generating time change messages in the demo.
*/
public String timePickerName;
/**
* Constructor.
*/
private SampleTimeChangeListener(String timePickerName) {
this.timePickerName = timePickerName;
}
/**
* timeChanged, This function will be called whenever the time in the applicable time picker
* has changed. Note that the value may contain null, which represents a cleared or empty
* time.
*/
@Override
public void timeChanged(TimeChangeEvent event) {
LocalTime oldTime = event.getOldTime();
LocalTime newTime = event.getNewTime();
String oldTimeString = PickerUtilities.localTimeToString(oldTime, "(null)");
String newTimeString = PickerUtilities.localTimeToString(newTime, "(null)");
String messageStart = "\nThe time in " + timePickerName + " has changed from: ";
String fullMessage = messageStart + oldTimeString + " to: " + newTimeString + ".";
if (!panel.messageTextArea.getText().startsWith(messageStart)) {
panel.messageTextArea.setText("");
}
panel.messageTextArea.append(fullMessage);
}
}
/**
* SampleTimeVetoPolicy, A veto policy is a way to disallow certain times from being selected in
* the time picker. A vetoed time cannot be added to the time drop down menu. A vetoed time
* cannot be selected by using the keyboard or the mouse.
*/
private static class SampleTimeVetoPolicy implements TimeVetoPolicy {
/**
* isTimeAllowed, Return true if a time should be allowed, or false if a time should be
* vetoed.
*/
@Override
public boolean isTimeAllowed(LocalTime time) {
// Only allow times from 9a to 5p, inclusive.
return PickerUtilities.isLocalTimeInRange(
time, LocalTime.of(9, 00), LocalTime.of(17, 00), true);
}
}
/**
* SampleCalendarSelectionListener, A calendar selection listener provides a way for a class to
* receive notifications whenever a date has been selected in an -independent- CalendarPanel.
*/
private static class SampleCalendarSelectionListener implements CalendarSelectionListener {
/**
* selectionChanged, This function will be called each time that a date is selected in the
* independent CalendarPanel. The new and old selected dates are supplied in the event
* object. These parameters may contain null, which represents a cleared or empty date.
*
* By intention, this function will be called even if the user selects the same value twice
* in a row. This is so that the programmer can catch all events of interest. Duplicate
* events can optionally be detected with the function CalendarSelectionEvent.isDuplicate().
*/
@Override
public void selectionChanged(CalendarSelectionEvent event) {
LocalDate oldDate = event.getOldDate();
LocalDate newDate = event.getNewDate();
String oldDateString = PickerUtilities.localDateToString(oldDate, "(null)");
String newDateString = PickerUtilities.localDateToString(newDate, "(null)");
String messageStart = "\nIndependent Calendar Panel: The selected date has changed from '";
String fullMessage = messageStart + oldDateString + "' to '" + newDateString + "'. ";
fullMessage += (event.isDuplicate()) ? "(Event marked as duplicate.)" : "";
if (!panel.messageTextArea.getText().startsWith(messageStart)) {
panel.messageTextArea.setText("");
}
panel.messageTextArea.append(fullMessage);
}
}
}
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