Class DatePicker

dayCellFactory

public final ObjectProperty<Callback<DatePicker,DateCell>> dayCellFactoryProperty

 final Callback<DatePicker, DateCell> dayCellFactory = new Callback<DatePicker, DateCell>() {
     public DateCell call(final DatePicker datePicker) {
         return new DateCell() {
             @Override public void updateItem(LocalDate item, boolean empty) {
                 super.updateItem(item, empty);

                 if (MonthDay.from(item).equals(MonthDay.of(9, 25))) {
                     setTooltip(new Tooltip("Happy Birthday!"));
                     setStyle("-fx-background-color: #ff4444;");
                 }
                 if (item.equals(LocalDate.now().plusDays(1))) {
                     // Tomorrow is too soon.
                     setDisable(true);
                 }
             }
         };
     }
 };
 datePicker.setDayCellFactory(dayCellFactory);
 

Default value:

null

See Also:

getDayCellFactory(), setDayCellFactory(Callback)

chronology

public final ObjectProperty<Chronology> chronologyProperty

See Also:

getChronology(), setChronology(Chronology)

showWeekNumbers

public final BooleanProperty showWeekNumbersProperty

See Also:

isShowWeekNumbers(), setShowWeekNumbers(boolean)

converter

public final ObjectProperty<StringConverter<LocalDate>> converterProperty

 datePicker.setConverter(new StringConverter<LocalDate>() {
     String pattern = "yyyy-MM-dd";
     DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern);

     {
         datePicker.setPromptText(pattern.toLowerCase());
     }

     @Override public String toString(LocalDate date) {
         if (date != null) {
             return dateFormatter.format(date);
         } else {
             return "";
         }
     }

     @Override public LocalDate fromString(String string) {
         if (string != null && !string.isEmpty()) {
             return LocalDate.parse(string, dateFormatter);
         } else {
             return null;
         }
     }
 });
 

   final StringConverter<LocalDate> defaultConverter = datePicker.getConverter();
   datePicker.setConverter(new StringConverter<LocalDate>() {
       @Override public String toString(LocalDate value) {
           return defaultConverter.toString(value);
       }

       @Override public LocalDate fromString(String text) {
           try {
               return defaultConverter.fromString(text);
           } catch (DateTimeParseException ex) {
               System.err.println("HelloDatePicker: "+ex.getMessage());
               throw ex;
           }
       }
   });
 

   @Override public LocalDate fromString(String text) {
       if (text != null && !text.isEmpty()) {
           Locale locale = Locale.getDefault(Locale.Category.FORMAT);
           Chronology chrono = datePicker.getChronology();
           String pattern =
               DateTimeFormatterBuilder.getLocalizedDateTimePattern(FormatStyle.SHORT,
                                                                    null, chrono, locale);
           String prePattern = pattern.substring(0, pattern.indexOf("y"));
           String postPattern = pattern.substring(pattern.lastIndexOf("y")+1);
           int baseYear = LocalDate.now().getYear() - 99;
           DateTimeFormatter df = new DateTimeFormatterBuilder()
                       .parseLenient()
                       .appendPattern(prePattern)
                       .appendValueReduced(ChronoField.YEAR, 2, 2, baseYear)
                       .appendPattern(postPattern)
                       .toFormatter();
           return LocalDate.from(chrono.date(df.parse(text)));
       } else {
           return null;
       }
   }
 

See Also:

getConverter(), setConverter(StringConverter)

editor

public final ReadOnlyObjectProperty<TextField> editorProperty

See Also:

getEditor()

DatePicker

public DatePicker()

DatePicker

public DatePicker(LocalDate localDate)

Parameters:

localDate - to be set as the currently selected date in the DatePicker. Can be null.

setDayCellFactory

public final void setDayCellFactory(Callback<DatePicker,​DateCell> value)

Property description:

A custom cell factory can be provided to customize individual day cells in the DatePicker popup. Refer to DateCell and Cell for more information on cell factories. Example:

 final Callback<DatePicker, DateCell> dayCellFactory = new Callback<DatePicker, DateCell>() {
     public DateCell call(final DatePicker datePicker) {
         return new DateCell() {
             @Override public void updateItem(LocalDate item, boolean empty) {
                 super.updateItem(item, empty);

                 if (MonthDay.from(item).equals(MonthDay.of(9, 25))) {
                     setTooltip(new Tooltip("Happy Birthday!"));
                     setStyle("-fx-background-color: #ff4444;");
                 }
                 if (item.equals(LocalDate.now().plusDays(1))) {
                     // Tomorrow is too soon.
                     setDisable(true);
                 }
             }
         };
     }
 };
 datePicker.setDayCellFactory(dayCellFactory);
 

Default value:

null

getDayCellFactory

public final Callback<DatePicker,DateCell> getDayCellFactory()

Property description:

A custom cell factory can be provided to customize individual day cells in the DatePicker popup. Refer to DateCell and Cell for more information on cell factories. Example:

 final Callback<DatePicker, DateCell> dayCellFactory = new Callback<DatePicker, DateCell>() {
     public DateCell call(final DatePicker datePicker) {
         return new DateCell() {
             @Override public void updateItem(LocalDate item, boolean empty) {
                 super.updateItem(item, empty);

                 if (MonthDay.from(item).equals(MonthDay.of(9, 25))) {
                     setTooltip(new Tooltip("Happy Birthday!"));
                     setStyle("-fx-background-color: #ff4444;");
                 }
                 if (item.equals(LocalDate.now().plusDays(1))) {
                     // Tomorrow is too soon.
                     setDisable(true);
                 }
             }
         };
     }
 };
 datePicker.setDayCellFactory(dayCellFactory);
 

Default value:

null

dayCellFactoryProperty

public final ObjectProperty<Callback<DatePicker,DateCell>> dayCellFactoryProperty()

 final Callback<DatePicker, DateCell> dayCellFactory = new Callback<DatePicker, DateCell>() {
     public DateCell call(final DatePicker datePicker) {
         return new DateCell() {
             @Override public void updateItem(LocalDate item, boolean empty) {
                 super.updateItem(item, empty);

                 if (MonthDay.from(item).equals(MonthDay.of(9, 25))) {
                     setTooltip(new Tooltip("Happy Birthday!"));
                     setStyle("-fx-background-color: #ff4444;");
                 }
                 if (item.equals(LocalDate.now().plusDays(1))) {
                     // Tomorrow is too soon.
                     setDisable(true);
                 }
             }
         };
     }
 };
 datePicker.setDayCellFactory(dayCellFactory);
 

Default value:

null

See Also:

getDayCellFactory(), setDayCellFactory(Callback)

chronologyProperty

public final ObjectProperty<Chronology> chronologyProperty()

See Also:

getChronology(), setChronology(Chronology)

getChronology

public final Chronology getChronology()

Property description:

The calendar system used for parsing, displaying, and choosing dates in the DatePicker control.

The default value is returned from a call to Chronology.ofLocale(Locale.getDefault(Locale.Category.FORMAT)). The default is usually IsoChronology unless provided explicitly in the Locale by use of a Locale calendar extension. Setting the value to null will restore the default chronology.

setChronology

public final void setChronology(Chronology value)

Property description:

The calendar system used for parsing, displaying, and choosing dates in the DatePicker control.

The default value is returned from a call to Chronology.ofLocale(Locale.getDefault(Locale.Category.FORMAT)). The default is usually IsoChronology unless provided explicitly in the Locale by use of a Locale calendar extension. Setting the value to null will restore the default chronology.

showWeekNumbersProperty

public final BooleanProperty showWeekNumbersProperty()

See Also:

isShowWeekNumbers(), setShowWeekNumbers(boolean)

setShowWeekNumbers

public final void setShowWeekNumbers(boolean value)

Property description:

Whether the DatePicker popup should display a column showing week numbers.

The default value is specified in a resource bundle, and depends on the country of the current locale.

isShowWeekNumbers

public final boolean isShowWeekNumbers()

Property description:

Whether the DatePicker popup should display a column showing week numbers.

The default value is specified in a resource bundle, and depends on the country of the current locale.

converterProperty

public final ObjectProperty<StringConverter<LocalDate>> converterProperty()

 datePicker.setConverter(new StringConverter<LocalDate>() {
     String pattern = "yyyy-MM-dd";
     DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern);

     {
         datePicker.setPromptText(pattern.toLowerCase());
     }

     @Override public String toString(LocalDate date) {
         if (date != null) {
             return dateFormatter.format(date);
         } else {
             return "";
         }
     }

     @Override public LocalDate fromString(String string) {
         if (string != null && !string.isEmpty()) {
             return LocalDate.parse(string, dateFormatter);
         } else {
             return null;
         }
     }
 });
 

   final StringConverter<LocalDate> defaultConverter = datePicker.getConverter();
   datePicker.setConverter(new StringConverter<LocalDate>() {
       @Override public String toString(LocalDate value) {
           return defaultConverter.toString(value);
       }

       @Override public LocalDate fromString(String text) {
           try {
               return defaultConverter.fromString(text);
           } catch (DateTimeParseException ex) {
               System.err.println("HelloDatePicker: "+ex.getMessage());
               throw ex;
           }
       }
   });
 

   @Override public LocalDate fromString(String text) {
       if (text != null && !text.isEmpty()) {
           Locale locale = Locale.getDefault(Locale.Category.FORMAT);
           Chronology chrono = datePicker.getChronology();
           String pattern =
               DateTimeFormatterBuilder.getLocalizedDateTimePattern(FormatStyle.SHORT,
                                                                    null, chrono, locale);
           String prePattern = pattern.substring(0, pattern.indexOf("y"));
           String postPattern = pattern.substring(pattern.lastIndexOf("y")+1);
           int baseYear = LocalDate.now().getYear() - 99;
           DateTimeFormatter df = new DateTimeFormatterBuilder()
                       .parseLenient()
                       .appendPattern(prePattern)
                       .appendValueReduced(ChronoField.YEAR, 2, 2, baseYear)
                       .appendPattern(postPattern)
                       .toFormatter();
           return LocalDate.from(chrono.date(df.parse(text)));
       } else {
           return null;
       }
   }
 

See Also:

getConverter(), setConverter(StringConverter)

setConverter

public final void setConverter(StringConverter<LocalDate> value)

Property description:

Converts the input text to an object of type LocalDate and vice versa.

If not set by the application, the DatePicker skin class will set a converter based on a DateTimeFormatter for the current Locale and chronology. This formatter is then used to parse and display the current date value. Setting the value to null will restore the default converter.

Example using an explicit formatter:

 datePicker.setConverter(new StringConverter<LocalDate>() {
     String pattern = "yyyy-MM-dd";
     DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern);

     {
         datePicker.setPromptText(pattern.toLowerCase());
     }

     @Override public String toString(LocalDate date) {
         if (date != null) {
             return dateFormatter.format(date);
         } else {
             return "";
         }
     }

     @Override public LocalDate fromString(String string) {
         if (string != null && !string.isEmpty()) {
             return LocalDate.parse(string, dateFormatter);
         } else {
             return null;
         }
     }
 });
 

Example that wraps the default formatter and catches parse exceptions:

   final StringConverter<LocalDate> defaultConverter = datePicker.getConverter();
   datePicker.setConverter(new StringConverter<LocalDate>() {
       @Override public String toString(LocalDate value) {
           return defaultConverter.toString(value);
       }

       @Override public LocalDate fromString(String text) {
           try {
               return defaultConverter.fromString(text);
           } catch (DateTimeParseException ex) {
               System.err.println("HelloDatePicker: "+ex.getMessage());
               throw ex;
           }
       }
   });
 

The default base year for parsing input containing only two digits for the year is 2000 (see DateTimeFormatter). This default is not useful for allowing a person's date of birth to be typed. The following example modifies the converter's fromString() method to allow a two digit year for birth dates up to 99 years in the past.

   @Override public LocalDate fromString(String text) {
       if (text != null && !text.isEmpty()) {
           Locale locale = Locale.getDefault(Locale.Category.FORMAT);
           Chronology chrono = datePicker.getChronology();
           String pattern =
               DateTimeFormatterBuilder.getLocalizedDateTimePattern(FormatStyle.SHORT,
                                                                    null, chrono, locale);
           String prePattern = pattern.substring(0, pattern.indexOf("y"));
           String postPattern = pattern.substring(pattern.lastIndexOf("y")+1);
           int baseYear = LocalDate.now().getYear() - 99;
           DateTimeFormatter df = new DateTimeFormatterBuilder()
                       .parseLenient()
                       .appendPattern(prePattern)
                       .appendValueReduced(ChronoField.YEAR, 2, 2, baseYear)
                       .appendPattern(postPattern)
                       .toFormatter();
           return LocalDate.from(chrono.date(df.parse(text)));
       } else {
           return null;
       }
   }
 

getConverter

public final StringConverter<LocalDate> getConverter()

Property description:

Converts the input text to an object of type LocalDate and vice versa.

If not set by the application, the DatePicker skin class will set a converter based on a DateTimeFormatter for the current Locale and chronology. This formatter is then used to parse and display the current date value. Setting the value to null will restore the default converter.

Example using an explicit formatter:

 datePicker.setConverter(new StringConverter<LocalDate>() {
     String pattern = "yyyy-MM-dd";
     DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern);

     {
         datePicker.setPromptText(pattern.toLowerCase());
     }

     @Override public String toString(LocalDate date) {
         if (date != null) {
             return dateFormatter.format(date);
         } else {
             return "";
         }
     }

     @Override public LocalDate fromString(String string) {
         if (string != null && !string.isEmpty()) {
             return LocalDate.parse(string, dateFormatter);
         } else {
             return null;
         }
     }
 });
 

Example that wraps the default formatter and catches parse exceptions:

   final StringConverter<LocalDate> defaultConverter = datePicker.getConverter();
   datePicker.setConverter(new StringConverter<LocalDate>() {
       @Override public String toString(LocalDate value) {
           return defaultConverter.toString(value);
       }

       @Override public LocalDate fromString(String text) {
           try {
               return defaultConverter.fromString(text);
           } catch (DateTimeParseException ex) {
               System.err.println("HelloDatePicker: "+ex.getMessage());
               throw ex;
           }
       }
   });
 

The default base year for parsing input containing only two digits for the year is 2000 (see DateTimeFormatter). This default is not useful for allowing a person's date of birth to be typed. The following example modifies the converter's fromString() method to allow a two digit year for birth dates up to 99 years in the past.

   @Override public LocalDate fromString(String text) {
       if (text != null && !text.isEmpty()) {
           Locale locale = Locale.getDefault(Locale.Category.FORMAT);
           Chronology chrono = datePicker.getChronology();
           String pattern =
               DateTimeFormatterBuilder.getLocalizedDateTimePattern(FormatStyle.SHORT,
                                                                    null, chrono, locale);
           String prePattern = pattern.substring(0, pattern.indexOf("y"));
           String postPattern = pattern.substring(pattern.lastIndexOf("y")+1);
           int baseYear = LocalDate.now().getYear() - 99;
           DateTimeFormatter df = new DateTimeFormatterBuilder()
                       .parseLenient()
                       .appendPattern(prePattern)
                       .appendValueReduced(ChronoField.YEAR, 2, 2, baseYear)
                       .appendPattern(postPattern)
                       .toFormatter();
           return LocalDate.from(chrono.date(df.parse(text)));
       } else {
           return null;
       }
   }
 

getEditor

public final TextField getEditor()

Property description:

The editor for the DatePicker.

editorProperty

public final ReadOnlyObjectProperty<TextField> editorProperty()

See Also:

getEditor()

getClassCssMetaData

public static List<CssMetaData<? extends Styleable,?>> getClassCssMetaData()

Returns:

The CssMetaData associated with this class, which may include the CssMetaData of its superclasses.

getControlCssMetaData

public List<CssMetaData<? extends Styleable,?>> getControlCssMetaData()

Overrides:

getControlCssMetaData in class Control

Returns:

unmodifiable list of the controls css styleable properties

Since:

JavaFX 8.0