Examples of javax.swing.text.NumberFormatter

javax.swing.text.NumberFormatter
NumberFormatter subclasses InternationalFormatter adding special behavior for numbers. Among the specializations are (these are only used if the NumberFormatter does not display invalid numbers, for example, setAllowsInvalid(false)):
- Pressing +/- (- is determined from the DecimalFormatSymbols associated with the DecimalFormat) in any field but the exponent field will attempt to change the sign of the number to positive/negative.
- Pressing +/- (- is determined from the DecimalFormatSymbols associated with the DecimalFormat) in the exponent field will attempt to change the sign of the exponent to positive/negative.
If you are displaying scientific numbers, you may wish to turn on overwrite mode, setOverwriteMode(true). For example:
```
 DecimalFormat decimalFormat = new DecimalFormat("0.000E0"); NumberFormatter textFormatter = new NumberFormatter(decimalFormat); textFormatter.setOverwriteMode(true); textFormatter.setAllowsInvalid(false); 
```
If you are going to allow the user to enter decimal values, you should either force the DecimalFormat to contain at least one decimal (#.0###), or allow the value to be invalid setAllowsInvalid(true). Otherwise users may not be able to input decimal values.
NumberFormatter provides slightly different behavior to stringToValue than that of its superclass. If you have specified a Class for values, {@link #setValueClass}, that is one of of Integer, Long, Float, Double, Byte or Short and the Format's parseObject returns an instance of Number, the corresponding instance of the value class will be created using the constructor appropriate for the primitive type the value class represents. For example: setValueClass(Integer.class) will cause the resulting value to be created via new Integer(((Number)formatter.parseObject(string)).intValue()). This is typically useful if you wish to set a min/max value as the various Number implementations are generally not comparable to each other. This is also useful if for some reason you need a specific Number implementation for your values.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @since 1.4

        StringBuilder numberFormatString = new StringBuilder();
        numberFormatString.append("0").append((decimalPlaces > 0? "." : ""));
        for (int i = 0; i < decimalPlaces; i++) {
            numberFormatString.append("0");
        }
        nf = new NumberFormatter(new DecimalFormat(numberFormatString.toString()));
    }

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    /*
     * Set Margins dialog fields in accordance with the given MediaMargins object
    */
    private void setMargins(MediaMargins margins) {
        NumberFormatter fmt = getFloatFormatter();
        try {
            leftTxt.setText(fmt.valueToString(
                    new Float(margins.getX1(MediaMargins.MM))));
            rightTxt.setText(fmt.valueToString(
                    new Float(margins.getX2(MediaMargins.MM))));
            topTxt.setText(fmt.valueToString(
                    new Float(margins.getY1(MediaMargins.MM))));
            bottomTxt.setText(fmt.valueToString(
                    new Float(margins.getY2(MediaMargins.MM))));
        } catch (ParseException e) {
            /* Ignore incorrect float format */
        }
    }

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    private boolean updateMargins() {
        float x1;
        float y1;
        float x2; 
        float y2;    
        NumberFormatter format = getFloatFormatter();
    
        if (!leftTxt.isEnabled()) {
            removeAttribute(MediaPrintableArea.class);
            removeAttribute(MediaMargins.class);
            return true;
        }
    
        try {
            x1 = ((Float) format.stringToValue(leftTxt.getText())).floatValue();
            x2 = ((Float) format.stringToValue(rightTxt.getText())).floatValue();
            y1 = ((Float) format.stringToValue(topTxt.getText())).floatValue();
            y2 = ((Float) format.stringToValue(bottomTxt.getText())).floatValue();
        } catch(ParseException e) {
            return false;
        }
    
        if (sizeBox.isEnabled()

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        assertTrue(commitAction instanceof TextAction);
        //TODO check commit & cancel actions
    }


    public void testCommitEdit() {
        tf.setFormatter(new NumberFormatter());
        assertNull(tf.getValue());
        tf.setText("678");
        try {
            tf.commitEdit();
        } catch (ParseException e) {

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    public void testNumberEditor_formatter() {
        NumberEditor numEditor = new NumberEditor(spinner);
        spinner.setEditor(numEditor);
        final Integer max1 = new Integer(777);
        NumberFormatter numberFormatter = ((NumberFormatter) numEditor.getTextField()
                .getFormatter());
        numberFormatter.setMaximum(max1);
        assertSame(numberFormatter.getMaximum(), max1);
        assertSame(numEditor.getModel().getMaximum(), max1);
        final Integer max2 = new Integer(555);
        numEditor.getModel().setMaximum(max2);
        assertSame(numberFormatter.getMaximum(), max2);
        assertSame(numEditor.getModel().getMaximum(), max2);
        SpinnerNumberModel old = (SpinnerNumberModel) spinner.getModel();
        spinner.setModel(abstractModel);
        final Integer max3 = new Integer(333);
        old.setMaximum(max3);

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    public String convertCal4String(Calendar cal)
            throws ICalendarServiceException {
        DecimalFormat yformat = new DecimalFormat("0000");
        DecimalFormat format = new DecimalFormat("00");
        NumberFormatter formatter = new NumberFormatter();


        try {
            formatter.setFormat(yformat);
            String year = formatter.valueToString(new Integer(cal.get(Calendar.YEAR)));
            formatter.setFormat(format);
            String month = formatter.valueToString(new Integer(cal.get(Calendar.MONTH) + 1));
            String day = formatter.valueToString(new Integer(cal.get(Calendar.DAY_OF_MONTH)));


            return year + month + day;
        } catch (ParseException e) {
            logger.error("Error during parsing.", e);
            throw new ICalendarServiceException(

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          txtSearchField.setVisible(false);
          NumberFormat mzFormatter = MZmineCore.getConfiguration()
              .getMZFormat();
          Range mzRange = peakList.getRowsMZRange();
          DefaultFormatterFactory mzFormatFac = new DefaultFormatterFactory(
              new NumberFormatter(mzFormatter));
          minSearchField.setFormatterFactory(mzFormatFac);
          minSearchField.setValue(mzRange.getMin());
          maxSearchField.setFormatterFactory(mzFormatFac);
          maxSearchField.setValue(mzRange.getMax());
          break;


        case RT :
          minSearchField.setVisible(true);
          maxSearchField.setVisible(true);
          labelRange.setVisible(true);
          txtSearchField.setVisible(false);
          NumberFormat rtFormatter = MZmineCore.getConfiguration()
              .getRTFormat();
          Range rtRange = peakList.getRowsRTRange();
          DefaultFormatterFactory rtFormatFac = new DefaultFormatterFactory(
              new NumberFormatter(rtFormatter));
          minSearchField.setFormatterFactory(rtFormatFac);
          minSearchField.setValue(rtRange.getMin());
          maxSearchField.setFormatterFactory(rtFormatFac);
          maxSearchField.setValue(rtRange.getMax());
          break;

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    maxTxtField.removePropertyChangeListener(property, listener);
  }


  public void setNumberFormat(NumberFormat format) {
    DefaultFormatterFactory fac = new DefaultFormatterFactory(
        new NumberFormatter(format));
    minTxtField.setFormatterFactory(fac);
    maxTxtField.setFormatterFactory(fac);
  }

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        jPanel3.setPreferredSize(new Dimension(500, 380));


        jLabel3.setText(NbBundle.getMessage(ConfigDialog.class, "ConfigDialog.jLabel1.text")); // NOI18N


        defaultThrottleTextBox1.setFormatterFactory(new DefaultFormatterFactory(new NumberFormatter(new DecimalFormat("#0"))));


        Binding binding = Bindings.createAutoBinding(UpdateStrategy.READ_WRITE, this, ELProperty.create("${globalConfig[\"profile.defaultThrottle\"]}"), defaultThrottleTextBox1, BeanProperty.create("value"));
        bindingGroup.addBinding(binding);


        jLabel4.setText(NbBundle.getMessage(ConfigDialog.class, "ConfigDialog.jLabel2.text")); // NOI18N

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    // End of variables declaration//GEN-END:variables
    
    private static class IntegerFormatterFactory extends AbstractFormatterFactory {
        @Override
        public AbstractFormatter getFormatter(JFormattedTextField tf) {
            NumberFormatter formatter = new NumberFormatter(new DecimalFormat("#0"));
            formatter.setValueClass(Integer.class);
            formatter.setAllowsInvalid(true);
            formatter.setCommitsOnValidEdit(false);
            formatter.setMinimum(0);
            return formatter;
        };

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