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Thread: Beginner... stuck on how to use FormattedFields in java for inserting dates

  1. #1
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    Question Beginner... stuck on how to use FormattedFields in java for inserting dates

    I know the below code is supposed to format the FormattedTextField but it doesn't seem to do anything to the form (shown in the picture below). I was wanting, when the form loaded: the text field to look something like this

    00/00/2014 - 00:00 am


    Where the user is able to

    - enter datelike information around the symbol separators ( / or : )

    - But where the user could not remove these symbol separators

    Code:
      package datefield;
     
        import javax.swing.JFormattedTextField;
        import javax.swing.text.DateFormatter;
     
     
        public class NewJFrame extends javax.swing.JFrame {
     
            public NewJFrame() {
                initComponents();
                formattedTextField();
            }
     
    public void formattedTextField()
       {
            jFormattedTextField1 = new JFormattedTextField(new SimpleDateFormat("MM/dd/yy - mm:HH"));
            jFormattedTextField1.setValue(new Date());
            add(jFormattedTextField1);
       }

    sO3em.jpg


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    Default Re: Beginner... stuck on how to use FormattedFields in java for inserting dates

    hello,

    As per my understanding of the problem, you want the user to input a date on the text field then as he/she type the text is automatically converted to the format that you want?

    regards

    [edit]

    sorry i think i get what you mean now,

    i think you could use a MaskFormatter

    JFormattedTextField jFormattedTextField1 = new JFormattedTextField(new MaskFormatter("##'/##'/## '- ##':##"));

    just make sure the initial value will fit in the specified mask criteria

    source :
    http://docs.oracle.com/javase/7/docs...Formatter.html

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    Default Re: Beginner... stuck on how to use FormattedFields in java for inserting dates

    How do I use the above code, when I try to execute it from within a button nothing happens.


    What I was hoping for, was as soon as the form loaded three backslashes where locked into place in the jFormatedTextField wherein the user could type a date around them e.g. 10/10/2014

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    Default Re: Beginner... stuck on how to use FormattedFields in java for inserting dates

    using your code above

     
            jFormattedTextField1 = new JFormattedTextField(new SimpleDateFormat("MM/dd/yy - mm:HH"));
            jFormattedTextField1.setValue(new Date());
            add(jFormattedTextField1);

    make some alterations

    initialize your : jFormattedTextField1 like so
    JFormattedTextField jFormattedTextField1 = new JFormattedTextField(new MaskFormatter("##'/##'/## '- ##':##"));

    is guess youd want to have initial value using
    jFormattedTextField1.setValue(new Date()); ?

    you have to make the for mat of new Date match the format of the mask using simpledateformater

    or else onload the textfield would be blank.

    if correctly applied

    it should have

    02/11/14 - 02:57

    note : the slash, dash and colon will not be deleted even if the user tries to. i already tried it with your code

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    Default Re: Beginner... stuck on how to use FormattedFields in java for inserting dates

    Also posted at: Beginner... stuck on how to use FormattedFields in java for inserting dates

    http://forums.devshed.com/java-help-...ml#post2924572
    If you don't understand my answer, don't ignore it, ask a question.

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