Different configurations of JFormattedTextField: Date
/*
* Copyright (c) 2003-2005 JGoodies Karsten Lentzsch. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
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* o Redistributions in binary form must reproduce the above copyright notice,
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* o Neither the name of JGoodies Karsten Lentzsch nor the names of
* its contributors may be used to endorse or promote products derived
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package com.jgoodies.validation.tutorial.formatted;
import java.text.DateFormat;
import java.text.Format;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import javax.swing.*;
import javax.swing.text.DateFormatter;
import javax.swing.text.DefaultFormatter;
import javax.swing.text.DefaultFormatterFactory;
import com.jgoodies.binding.value.ValueHolder;
import com.jgoodies.binding.value.ValueModel;
import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.FormLayout;
import com.jgoodies.validation.formatter.EmptyDateFormatter;
import com.jgoodies.validation.formatter.RelativeDateFormatter;
import com.jgoodies.validation.tutorial.formatted.format.DisplayFormat;
import com.jgoodies.validation.tutorial.formatted.format.RelativeDateFormat;
import com.jgoodies.validation.tutorial.util.ExampleComponentFactory;
import com.jgoodies.validation.tutorial.util.MyFocusTraversalPolicy;
import com.jgoodies.validation.tutorial.util.TutorialUtils;
/**
* Demonstrates different configurations of <code>JFormattedTextField</code>
* to display and edit numbers. Shows <ul>
* <li>how to use a custom DateFormat
* <li>how to use a custom DateFormatter
* <li>how to use a custom FormatterFactory
* <li>how to reset a date to <code>null</code>
* <li>how to map the empty string to a special date
* <li>how to commit values on valid texts
* </ul><p>
*
* To look under the hood of this component, this class exposes
* the bound properties <em>text</em>, <em>value</em> and <em>editValid</em>.
*
* @author Karsten Lentzsch
* @version $Revision: 1.8 $
*
* @see JFormattedTextField
* @see JFormattedTextField.AbstractFormatter
*/
public final class DateExample {
public static void main(String[] args) {
try {
UIManager.setLookAndFeel("com.jgoodies.looks.plastic.PlasticXPLookAndFeel");
} catch (Exception e) {
// Likely Plastic is not in the classpath; ignore it.
}
JFrame frame = new JFrame();
frame.setTitle("Formatted :: Dates");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
JComponent panel = new DateExample()
.buildPanel();
frame.getContentPane().add(panel);
frame.pack();
TutorialUtils.locateOnScreenCenter(frame);
frame.setVisible(true);
}
/**
* Builds and returns a panel with a header row and the sample rows.
*
* @return the example panel with a header and the sample rows
*/
public JComponent buildPanel() {
FormLayout layout = new FormLayout(
"r:max(80dlu;pref), 4dlu, 45dlu, 1dlu, pref, 4dlu, pref, 0:grow");
DefaultFormBuilder builder = new DefaultFormBuilder(layout);
builder.setDefaultDialogBorder();
builder.getPanel().setFocusTraversalPolicy(
MyFocusTraversalPolicy.INSTANCE);
Utils.appendTitleRow(builder, "Description");
List fields = appendDemoRows(builder);
String validText = DateFormat.getDateInstance().format(new Date(67, 11, 5));
String invalidText = "aa" + validText;
Utils.appendButtonBar(builder, fields, validText, invalidText);
return builder.getPanel();
}
/**
* Appends the demo rows to the given builder and returns the List of
* formatted text fields.
*
* @param builder the builder used to add components to
* @return the List of formatted text fields
*/
private List appendDemoRows(DefaultFormBuilder builder) {
// The Formatter is choosen by the initial value.
JFormattedTextField defaultDateField =
new JFormattedTextField(new Date());
// The Formatter is choosen by the given Format.
JFormattedTextField noInitialValueField =
new JFormattedTextField(DateFormat.getDateInstance());
// Uses a custom DateFormat.
DateFormat customFormat = DateFormat.getDateInstance(DateFormat.SHORT);
JFormattedTextField customFormatField =
new JFormattedTextField(new DateFormatter(customFormat));
// Uses a RelativeDateFormat.
DateFormat relativeFormat = new RelativeDateFormat();
JFormattedTextField relativeFormatField =
new JFormattedTextField(new DateFormatter(relativeFormat));
// Uses a custom DateFormatter that allows relative input and
// prints natural language strings.
JFormattedTextField relativeFormatterField =
new JFormattedTextField(new RelativeDateFormatter());
// Uses a custom FormatterFactory that used different formatters
// for the display and while editing.
DefaultFormatterFactory formatterFactory =
new DefaultFormatterFactory(new RelativeDateFormatter(false, true),
new RelativeDateFormatter(true, true));
JFormattedTextField relativeFactoryField =
new JFormattedTextField(formatterFactory);
// Wraps a DateFormatter to map empty strings to null and vice versa.
JFormattedTextField numberOrNullField =
new JFormattedTextField(new EmptyDateFormatter());
// Wraps a DateFormatter to map empty strings to -1 and vice versa.
Date epoch = new Date(0); // January 1, 1970
JFormattedTextField numberOrEmptyValueField =
new JFormattedTextField(new EmptyDateFormatter(epoch));
numberOrEmptyValueField.setValue(epoch);
// Commits value on valid edit text
DefaultFormatter formatter = new RelativeDateFormatter();
formatter.setCommitsOnValidEdit(true);
JFormattedTextField commitOnValidEditField =
new JFormattedTextField(formatter);
// A date field as created by the BasicComponentFactory:
// Uses relative date input, and maps empty strings to null.
ValueModel dateHolder = new ValueHolder();
JFormattedTextField componentFactoryField =
ExampleComponentFactory.createDateField(dateHolder);
Format displayFormat = new DisplayFormat(DateFormat.getDateInstance());
List fields = new LinkedList();
fields.add(Utils.appendRow(builder, "Default", defaultDateField, displayFormat));
fields.add(Utils.appendRow(builder, "No initial value", noInitialValueField, displayFormat));
fields.add(Utils.appendRow(builder, "Empty <-> null", numberOrNullField, displayFormat));
fields.add(Utils.appendRow(builder, "Empty <-> epoch", numberOrEmptyValueField, displayFormat));
fields.add(Utils.appendRow(builder, "Short format", customFormatField, displayFormat));
fields.add(Utils.appendRow(builder, "Relative format", relativeFormatField, displayFormat));
fields.add(Utils.appendRow(builder, "Relative formatter", relativeFormatterField, displayFormat));
fields.add(Utils.appendRow(builder, "Relative factory", relativeFactoryField, displayFormat));
fields.add(Utils.appendRow(builder, "Commits on valid edit", commitOnValidEditField, displayFormat));
fields.add(Utils.appendRow(builder, "Relative, maps null", componentFactoryField, displayFormat));
return fields;
}
}
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