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

            format.setMaximumFractionDigits(0);
            format.setMinimumIntegerDigits(0);
            format.setMaximumIntegerDigits(5);
            format.setParseIntegerOnly(true);
            format.setDecimalSeparatorAlwaysShown(false);
            NumberFormatter nf = new NumberFormatter(format);
            nf.setMinimum(new Integer(1));
            nf.setMaximum(new Integer(Integer.MAX_VALUE));
            nf.setAllowsInvalid(true);
            nf.setCommitsOnValidEdit(true);
            tfRangeFrom = new JFormattedTextField(nf);
            tfRangeFrom.setColumns(4);
            tfRangeFrom.setEnabled(false);
            tfRangeFrom.addActionListener(this);
            tfRangeFrom.addFocusListener(this);
            tfRangeFrom.setFocusLostBehavior(
                JFormattedTextField.PERSIST);
            pnlBottom.add(tfRangeFrom);
            lblRangeTo = new JLabel(getMsg("label.rangeto"));
            lblRangeTo.setEnabled(false);
            pnlBottom.add(lblRangeTo);
            NumberFormatter nfto;
            try {
                nfto = (NumberFormatter)nf.clone();
            } catch (CloneNotSupportedException e) {
                nfto = new NumberFormatter();
            }
            tfRangeTo = new JFormattedTextField(nfto);
            tfRangeTo.setColumns(4);
            tfRangeTo.setEnabled(false);
            tfRangeTo.addFocusListener(this);

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            format.setMinimumFractionDigits(1);
            format.setMaximumFractionDigits(2);
            format.setMinimumIntegerDigits(1);
            format.setParseIntegerOnly(false);
            format.setDecimalSeparatorAlwaysShown(true);
            NumberFormatter nf = new NumberFormatter(format);
            nf.setMinimum(new Float(0.0f));
            nf.setMaximum(new Float(999.0f));
            nf.setAllowsInvalid(true);
            nf.setCommitsOnValidEdit(true);


            leftMargin = new JFormattedTextField(nf);
            leftMargin.addFocusListener(this);
            leftMargin.addActionListener(this);
            rightMargin = new JFormattedTextField(nf);

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      JFormattedTextField.AbstractFormatter formatter = null;
      Format numberFormat = null;
      Object value = null;
      if ( attribValueLwr.equals( "integer" )) {
        numberFormat = NumberFormat.getIntegerInstance();
        formatter = new NumberFormatter( (NumberFormat)numberFormat );
        value = new Integer( 0 );
      }
      else if ( attribValueLwr.equals( "currency" )) {
        numberFormat = NumberFormat.getCurrencyInstance( Locale.getDefault());
        formatter = new NumberFormatter( (NumberFormat)numberFormat );
      }
      else if ( attribValueLwr.equals( "decimal"))  {
        numberFormat = DecimalFormat.getNumberInstance();
        formatter = new NumberFormatter( (NumberFormat)numberFormat );
        value = new Double( 0.0 );
      }
      else if ( attribValueLwr.equals( "date")) {
        numberFormat = DateFormat.getDateInstance();
        formatter = new DateFormatter( (DateFormat)numberFormat );

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            }
            for (int i = 1; i <= fraction; i++) {
                sb.append("0");
            }
            DecimalFormat df = new DecimalFormat(sb.toString());
            NumberFormatter nf = new NumberFormatter(df);
            DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
            ((JFormattedTextField)childComponent).setFormatterFactory(factory);
        }
        
        ((JComboBox)component).addActionListener(
                new ActionAdapter() {
            
                    public void actionPerformed(ActionEvent e) {
                        
                        if (ComponentManager.getValue(component) != null) {
                            CurrencyPlugin cp = CurrencyPlugin.getInstance();
                            StringBuffer sb = new StringBuffer("###" + cp.getSepor() + "###");
                            int fraction = cp.getFraction(ComponentManager.getValue(component).toString());
                            if (fraction > 0) {
                                sb.append(cp.getFpoint());
                            }
                            for (int i = 1; i <= fraction; i++) {
                                sb.append("0");
                            }
                            DecimalFormat df = new DecimalFormat(sb.toString());
                            NumberFormatter nf = new NumberFormatter(df);
                            DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                            ((JFormattedTextField)childComponent).setFormatterFactory(factory);
                        }
                        
                    }

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            }
            for (int i = 1; i <= fraction; i++) {
                sb.append("0");
            }
            DecimalFormat df = new DecimalFormat(sb.toString());
            NumberFormatter nf = new NumberFormatter(df);
            DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
            ((JFormattedTextField)childComponent).setFormatterFactory(factory);
        }
        
        ((JComboBox)component).addActionListener(
                new ActionAdapter() {
            
                    public void actionPerformed(ActionEvent e) {
                                                
                        if (ComponentManager.getValue(component) != null) {
                            CurrencyPlugin cp = CurrencyPlugin.getInstance();
                            UomPlugin up = UomPlugin.getInstance();
                            StringBuffer sb = new StringBuffer("###" + cp.getSepor() + "###");
                            int fraction = up.getFraction(ComponentManager.getValue(component).toString());
                            if (fraction > 0) {
                                sb.append(".");
                            }
                            for (int i = 1; i <= fraction; i++) {
                                sb.append("0");
                            }
                            DecimalFormat df = new DecimalFormat(sb.toString());
                            NumberFormatter nf = new NumberFormatter(df);
                            DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                            ((JFormattedTextField)childComponent).setFormatterFactory(factory);
                        }
                        
                    }

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        } else if (component instanceof JTextField) {
            JTextField textField = (JTextField)component;
            if (component instanceof JFormattedTextField) {
                JFormattedTextField ftf = (JFormattedTextField)textField;
                if (ftf.getFormatter() instanceof NumberFormatter) {
                    NumberFormatter nf = (NumberFormatter)ftf.getFormatter();
                    try {
                        value = nf.stringToValue(ftf.getText());
                    } catch (Exception e) {
                        //e.printStackTrace();
                    }
                } else {
                    value = ((JFormattedTextField)textField).getValue();

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                                }
                                for (int i = 1; i <= fraction; i++) {
                                    sb.append("0");
                                }
                                DecimalFormat df = new DecimalFormat(sb.toString());
                                NumberFormatter nf = new NumberFormatter(df);
                                DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                                ((JFormattedTextField)cComponent).setFormatterFactory(factory);
                            }


                        }

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                                }
                                for (int i = 1; i <= fraction; i++) {
                                    sb.append("0");
                                }
                                DecimalFormat df = new DecimalFormat(sb.toString());
                                NumberFormatter nf = new NumberFormatter(df);
                                DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                                ((JFormattedTextField)cComponent).setFormatterFactory(factory);
                            }


                        }

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                    }
                    for (int i = 1; i <= fraction; i++) {
                        sb.append("0");
                    }
                    DecimalFormat df = new DecimalFormat(sb.toString());
                    NumberFormatter nf = new NumberFormatter(df);
                    DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                    ((JFormattedTextField)component).setFormatterFactory(factory);
                } else if (childColumn.getInputType() == 12) {
                    JComponent component = childComponentExt.getComponent();
                    CurrencyPlugin cp = CurrencyPlugin.getInstance();
                    UomPlugin up = UomPlugin.getInstance();
                    if (column.getPControls() != null) {
                        StringTokenizer st = new StringTokenizer(column.getPControls(), ".");
                        String tableName = (String)st.nextElement();
                        String columnName = (String)st.nextElement();
                        ComponentExt pComponentExt = relationManager.findComponentExt(tableName, columnName);
                        Object pValue = ComponentManager.getValue(pComponentExt.getComponent());
                        StringBuffer sb = new StringBuffer("###" + cp.getSepor() + "###");
                        int fraction = Integer.parseInt(GlobalValueManager.getValue("APPLIATION.DEFFRACTION"));
                        if (pValue != null)
                            fraction = up.getFraction(pValue.toString());
                        if (fraction > 0) {
                            sb.append(".");
                        }
                        for (int i = 1; i <= fraction; i++) {
                            sb.append("0");
                        }
                        DecimalFormat df = new DecimalFormat(sb.toString());
                        NumberFormatter nf = new NumberFormatter(df);
                        DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                        ((JFormattedTextField)component).setFormatterFactory(factory);
                    }                            
                }
            }

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                        }
                        for (int i = 1; i <= fraction; i++) {
                            sb.append("0");
                        }
                        DecimalFormat df = new DecimalFormat(sb.toString());
                        NumberFormatter nf = new NumberFormatter(df);
                        DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                        ((JFormattedTextField)component).setFormatterFactory(factory);
                    } else if (childColumn.getInputType() == 12) {
                        JComponent component = childComponentExt.getComponent();
                        CurrencyPlugin cp = CurrencyPlugin.getInstance();
                        UomPlugin up = UomPlugin.getInstance();
                        StringTokenizer st = new StringTokenizer(column.getPControls(), ".");
                        String tableName = (String)st.nextElement();
                        String columnName = (String)st.nextElement();
                        ComponentExt pComponentExt = relationManager.findComponentExt(tableName, columnName);
                        Object pValue = ComponentManager.getValue(pComponentExt.getComponent());
                        StringBuffer sb = new StringBuffer("###" + cp.getSepor() + "###");
                        int fraction = Integer.parseInt(GlobalValueManager.getValue("APPLIATION.DEFFRACTION"));
                        if (pValue != null)
                            fraction = up.getFraction(pValue.toString());
                        if (fraction > 0) {
                            sb.append(".");
                        }
                        for (int i = 1; i <= fraction; i++) {
                            sb.append("0");
                        }
                        DecimalFormat df = new DecimalFormat(sb.toString());
                        NumberFormatter nf = new NumberFormatter(df);
                        DefaultFormatterFactory factory = new DefaultFormatterFactory(nf);
                        ((JFormattedTextField)component).setFormatterFactory(factory);
                    }
                }

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