formtext_formtextdate.html

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<TITLE>Creating a Text Field to Display and Edit a Date
(Java Developers Almanac Example)
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  <h3>
    e995.  
    Creating a Text Field to Display and Edit a Date</h3>

This example uses a <code>JFormattedTextField</code> to allow the display and
editing of a date. By default, when the component loses the focus and
the modified value is a valid date, the modified value is
saved. Otherwise, if the modified value is not a valid date, the
modified value is discarded and the old value is displayed.


<pre>
    // Support a date in the MEDIUM format in the current locale;
    // see <a href="../java.text/FormatDateDef.html" class="eglink"><font size="-1"><b>e322</b> Formatting and Parsing a Date Using Default Formats</font></a>.
    // For Locale.ENGLISH, the format would be Feb 8, 2002.
    JFormattedTextField tft1 = new JFormattedTextField(new Date());
    
    // Support a date in the SHORT format using the current locale.
    // For Locale.ENGLISH, the format would be 2/8/02.
    JFormattedTextField tft2 = new JFormattedTextField(DateFormat.getDateInstance(DateFormat.<font color="#0066ff"><i>SHORT</i></font>));
    tft2.setValue(new Date());
    
    // Support a date with the custom format: 2002-8-2
    JFormattedTextField tft3 = new JFormattedTextField(new SimpleDateFormat(<font color="#0066ff"><i>"yyyy-M-d"</i></font>));
    tft3.setValue(new Date());
    // See also <a href="../java.text/FormatDate.html" class="eglink"><font size="-1"><b>e320</b> Formatting a Date Using a Custom Format</font></a>
    
    // Retrieve the date from the text field
    Date date = (Date)tft3.getValue();
</pre>
The following example demonstrates how to dynamically change the format:

<pre>
    // Change the format to: 2/8/2002
    DateFormatter fmt = (DateFormatter)tft3.getFormatter();
    fmt.setFormat(new SimpleDateFormat(<font color="#0066ff"><i>"d/M/yyyy"</i></font>));
    
    // Reformat the display
    tft3.setValue(tft3.getValue());
</pre>
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            &nbsp;Related Examples
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e994. <a class="eglink" href="formtext_FormTextNum.html?l=rel">
    Creating a Text Field to Display and Edit a Number
</a>
<br>

e996. <a class="eglink" href="formtext_FormTextMask.html?l=rel">
    Creating a Text Field to Display and Edit a Phone Number
</a>
<br>


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        See also: 
<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Actions%20and%20Key%20Bindings">
    Actions and Key Bindings
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Caret%20and%20Selection">
    Caret and Selection
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Events">
    Events
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JEditorPane">
    JEditorPane
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextArea">
    JTextArea
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextComponent">
    JTextComponent
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextField">
    JTextField
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#JTextPane">
    JTextPane
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Styles">
    Styles
</a>&nbsp;&nbsp;

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