Java JFormattedTextField類代碼示例

import javax.swing.JFormattedTextField; //導入依賴的package包/類
public static void Limpar_Campos_Tela(JPanel tela) {
    for (Component componente : tela.getComponents()) {
        if (componente instanceof JPanel) {
            Limpar_Campos_Tela((JPanel) componente);
        }
        if (componente instanceof JTextField) {
            ((JTextField) componente).setText("");
        }
        if (componente instanceof JFormattedTextField) {
            ((JFormattedTextField) componente).setText("");
        }
        if(componente instanceof JScrollPane){
            JViewport viewport = ((JScrollPane)componente).getViewport(); 
            JTable table = (JTable)viewport.getView();
            
            DefaultTableModel model = (DefaultTableModel) table.getModel();
            model.getDataVector().removeAllElements();
            model.fireTableDataChanged();
        }
    }
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
private void initializeTextFields() {

		DecimalFormatSymbols symbols = new DecimalFormatSymbols();
		symbols.setDecimalSeparator('.');

		NumberFormat format = new DecimalFormat("0.00", symbols);
		format.setMaximumFractionDigits(2);

		NumberFormatter formatter = new NumberFormatter(format);
		formatter.setMinimum(0.0);
		formatter.setMaximum(10000000.0);
		formatter.setAllowsInvalid(false);

		this.txtPeso = new JFormattedTextField(formatter);
		this.txtPeso.setValue(0.0);

		GridBagConstraints gbc_textField = new GridBagConstraints();
		gbc_textField.gridwidth = 10;
		gbc_textField.insets = new Insets(0, 0, 5, 0);
		gbc_textField.fill = GridBagConstraints.BOTH;
		gbc_textField.gridx = 2;
		gbc_textField.gridy = 10;
		this.panelSecond.add(this.txtPeso, gbc_textField);
		this.txtPeso.setColumns(10);

	}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
/**
 * Selects the passed in field, returning true if it is found, false
 * otherwise.
 */
private boolean select(JFormattedTextField ftf, AttributedCharacterIterator iterator, DateFormat.Field field)
{
	int max = ftf.getDocument().getLength();

	iterator.first();
	do
	{
		Map<Attribute, Object> attrs = iterator.getAttributes();

		if( attrs != null && attrs.containsKey(field) )
		{
			int start = iterator.getRunStart(field);
			int end = iterator.getRunLimit(field);

			if( start != -1 && end != -1 && start <= max && end <= max )
			{
				ftf.select(start, end);
			}
			return true;
		}
	}
	while( iterator.next() != CharacterIterator.DONE );
	return false;
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
public Object getCellEditorValue() {
    JFormattedTextField ftf = (JFormattedTextField) getComponent();
    Object o = ftf.getValue();
    if (o instanceof Integer) {
        return o;
    } else if (o instanceof Number) {
        return new Integer(((Number) o).intValue());
    } else {
        if (DEBUG) {
            System.out.println("getCellEditorValue: o isn't a Number");
        }
        try {
            return integerFormat.parseObject(o.toString());
        } catch (ParseException exc) {
            System.err.println("getCellEditorValue: can't parse o: " + o);
            return null;
        }
    }
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
private void destacarCampo(JFormattedTextField field) {
  final int timerDelay = 500;
  final int totalTime = 2000;
  
  final int totalCount = totalTime / timerDelay;
  Timer timer = new Timer(timerDelay, new ActionListener(){
    int count = 0;

    public void actionPerformed(ActionEvent evt) {
      if (count % 2 == 0) {
        field.setBorder(new LineBorder(Color.RED, 2, true));
        field.requestFocus();
      } else {
	        field.setBorder(new LineBorder(Color.GRAY, 1, false));
        if (count >= totalCount) { 
          ((Timer)evt.getSource()).stop();
        }
      }
      count++;
    }
  });
  timer.start();
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
@Override
public boolean stopCellEditing() {
    JFormattedTextField ftf = (JFormattedTextField) getComponent();
    if (ftf.isEditValid()) {
        try {
            ftf.commitEdit();
        } catch (java.text.ParseException ex) {
        }

    } else { //text is invalid
        Toolkit.getDefaultToolkit().beep();
        textField.selectAll();
        return false; //don't let the editor go away
    }
    return super.stopCellEditing();
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
@Override
public Object getCellEditorValue() {
    JFormattedTextField ftf = (JFormattedTextField) getComponent();
    Object o = ftf.getValue();
    if (o instanceof Integer) {
        return o;
    } else if (o instanceof Number) {
        return new Integer(((Number) o).intValue());
    } else {
        try {
            return integerFormat.parseObject(o.toString());
        } catch (ParseException ex) {
            LOGGER.log(Level.FINE, "getCellEditorValue: can't parse {0}", o);
            return null;
        }
    }
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
@Override
public Object getCellEditorValue() {
    JFormattedTextField ftf = (JFormattedTextField) getComponent();
    Object o = ftf.getValue();
    if (o instanceof Double) {
        return o;
    } else if (o instanceof Number) {
        return new Double(((Number) o).doubleValue());
    } else {
        try {
            return doubleFormat.parseObject(o.toString());
        } catch (ParseException ex) {
            LOGGER.log(Level.FINE, "getCellEditorValue: can't parse {0}", o);
            return null;
        }
    }
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
/**
 * Creates the {@link JPanel} showing the mission time.
 * 
 * @param maxwidth
 *            the dimension of the longest label
 * @return the JPanel showing the mission time
 */
private JPanel createMtPanel(Dimension maxwidth) {
	Double mtVal = inverse.evaluate(reliabilityFunction, standardMT);

	JLabel pmtLabel = new JLabel("P[MT] =");
	pmtLabel.setMinimumSize(maxwidth);

	JLabel mtLabel = new JLabel("MT:");
	mtLabel.setMinimumSize(maxwidth);

	mtProbability = new JFormattedTextField(mtFieldFormat);
	mtProbability.addActionListener(MeasurePanel.this);
	mtProbability.setPreferredSize(new Dimension(70, 15));
	mtProbability.setHorizontalAlignment(SwingConstants.RIGHT);
	mtProbability.setText(standardMT.toString());

	mt = new JLabel(mtVal.toString());

	return createSubPanel("Mission-Time", pmtLabel, mtProbability, mtLabel, mt);
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
/**
 * Returns the calendarField under the start of the selection, or -1 if
 * there is no valid calendar field under the selection (or the spinner
 * isn't editing dates.
 */
private int getCalendarField(JSpinner spinner)
{
	JComponent editor = spinner.getEditor();

	if( editor instanceof JSpinner.DateEditor )
	{
		JSpinner.DateEditor dateEditor = (JSpinner.DateEditor) editor;
		JFormattedTextField ftf = dateEditor.getTextField();
		int start = ftf.getSelectionStart();
		JFormattedTextField.AbstractFormatter formatter = ftf.getFormatter();

		if( formatter instanceof InternationalFormatter )
		{
			Format.Field[] fields = ((InternationalFormatter) formatter).getFields(start);

			for( int counter = 0; counter < fields.length; counter++ )
			{
				if( fields[counter] instanceof DateFormat.Field )
				{
					int calendarField;

					if( fields[counter] == DateFormat.Field.HOUR1 )
					{
						calendarField = Calendar.HOUR;
					}
					else
					{
						calendarField = ((DateFormat.Field) fields[counter]).getCalendarField();
					}
					if( calendarField != -1 )
					{
						return calendarField;
					}
				}
			}
		}
	}
	return -1;
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
/**
 * Returns either the default formatter, display formatter, editor
 * formatter or null formatter based on the state of the
 * JFormattedTextField.
 *
 * @param source JFormattedTextField requesting
 *               JFormattedTextField.AbstractFormatter
 * @return JFormattedTextField.AbstractFormatter to handle
 *         formatting duties.
 */
public JFormattedTextField.AbstractFormatter getFormatter(
                 JFormattedTextField source) {
    JFormattedTextField.AbstractFormatter format = null;

    if (source == null) {
        return null;
    }
    Object value = source.getValue();

    if (value == null) {
        format = getNullFormatter();
    }
    if (format == null) {
        if (source.hasFocus()) {
            format = getEditFormatter();
        }
        else {
            format = getDisplayFormatter();
        }
        if (format == null) {
            format = getDefaultFormatter();
        }
    }
    return format;
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
public SingleIntegerFieldOptionsPanel(String labelString,
                                      final InspectionProfileEntry owner,
                                      @NonNls final String property,
                                      int integerFieldColumns) {
    super(new GridBagLayout());
    final JLabel label = new JLabel(labelString);
    final JFormattedTextField valueField = createIntegerFieldTrackingValue(owner, property, integerFieldColumns);
    final GridBagConstraints constraints = new GridBagConstraints();
    constraints.gridx = 0;
    constraints.gridy = 0;
    constraints.insets.right = UIUtil.DEFAULT_HGAP;
    constraints.weightx = 0.0;
    constraints.anchor = GridBagConstraints.BASELINE_LEADING;
    constraints.fill = GridBagConstraints.NONE;
    add(label, constraints);
    constraints.gridx = 1;
    constraints.gridy = 0;
    constraints.weightx = 1.0;
    constraints.weighty = 1.0;
    constraints.insets.right = 0;
    constraints.anchor = GridBagConstraints.BASELINE_LEADING;
    constraints.fill = GridBagConstraints.NONE;
    add(valueField, constraints);
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
@Override
public Object stringToValue (String string)
        throws ParseException
{
    try {
        JFormattedTextField ftf = getFormattedTextField();
        Object value = ftf.getValue();

        if (value instanceof Integer) {
            return Integer.valueOf(string, 16);
        } else if (value instanceof Long) {
            return Long.valueOf(string, 16);
        } else {
            throw new IllegalArgumentException(
                    "Illegal Number class for HexaFormatter " + value.getClass());
        }
    } catch (NumberFormatException ex) {
        throw new ParseException(string, 0);
    }
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
/**
 * Workaround for a swing bug : when the user enters an illegal value, the
 * text is forced to the last value.
 *
 * @param spinner the spinner to update
 */
public static void fixIntegerList (final JSpinner spinner)
{
    JSpinner.DefaultEditor editor;
    editor = (JSpinner.DefaultEditor) spinner.getEditor();

    final JFormattedTextField ftf = editor.getTextField();
    ftf.getInputMap().put(KeyStroke.getKeyStroke("ENTER"), "enterAction");
    ftf.getActionMap().put(
            "enterAction",
            new AbstractAction()
    {
        @Override
        public void actionPerformed (ActionEvent e)
        {
            try {
                spinner.setValue(Integer.parseInt(ftf.getText()));
            } catch (Exception ex) {
                // Reset to last value
                ftf.setText(ftf.getValue().toString());
            }
        }
    });
}
 

import javax.swing.JFormattedTextField; //導入依賴的package包/類
/**
 * Sets integer number format to JFormattedTextField instance,
 * sets value of JFormattedTextField instance to object's field value,
 * synchronizes object's field value with the value of JFormattedTextField instance.
 *
 * @param textField  JFormattedTextField instance
 * @param owner      an object whose field is synchronized with {@code textField}
 * @param property   object's field name for synchronization
 */
public static void setupIntegerFieldTrackingValue(final JFormattedTextField textField,
                                                  final InspectionProfileEntry owner,
                                                  final String property) {
    NumberFormat formatter = NumberFormat.getIntegerInstance();
    formatter.setParseIntegerOnly(true);
    textField.setFormatterFactory(new DefaultFormatterFactory(new NumberFormatter(formatter)));
    textField.setValue(getPropertyValue(owner, property));
    final Document document = textField.getDocument();
    document.addDocumentListener(new DocumentAdapter() {
        @Override
        public void textChanged(DocumentEvent e) {
            try {
                textField.commitEdit();
                setPropertyValue(owner, property,
                        ((Number) textField.getValue()).intValue());
            } catch (ParseException e1) {
                // No luck this time
            }
        }
    });
}