RehaKassenbuch/src/Tools/DateInputVerifier.java

   1 package Tools;
   2
   3 import java.awt.Color;
   4 import java.text.DateFormat;
   5 import java.text.ParseException;
   6 import java.text.SimpleDateFormat;
   7 import java.util.Date;
   8 import java.util.Locale;
   9
  10 import javax.swing.BorderFactory;
  11 import javax.swing.InputVerifier;
  12 import javax.swing.JComponent;
  13 import javax.swing.JFormattedTextField;
  14 import javax.swing.JOptionPane;
  15 import javax.swing.JTextField;
  16 import javax.swing.SwingUtilities;
  17 import javax.swing.UIManager;
  18 import javax.swing.border.Border;
  19
  20
  21
  22
  23 public class DateInputVerifier extends InputVerifier {
  24         JFormattedTextField input;
  25         public DateInputVerifier(JFormattedTextField tf){
  26                 this.input = tf;
  27         }
  28     public boolean verify (final JComponent input) {
  29     ////System.out.println("Input getText = "+((JRtaTextField)input).getText());
  30     ////System.out.println("L�nge des Inputs = "+((JRtaTextField)input).getText().length());
  31         return this.isAlowedDate((JFormattedTextField)input);
  32       }
  33
  34
  35           private Character placeholder = null;
  36           /**
  37            * Set an Empty Character for delete the Input. If Empty Character is null,
  38            * a valid value need to input.
  39            * @param c Character
  40            */
  41           public void setPlaceholder (final Character c) {
  42             this.placeholder = c;
  43           }
  44
  45           /**
  46            * Return the char for delete the input or null if delete not allowed.
  47            * @return Character
  48            */
  49           public Character getPlaceHolder () {
  50             return this.placeholder;
  51           }
  52
  53     protected boolean isAlowedDate (final JFormattedTextField input) {
  54      if(input.getText().equals("  .  .    ")){
  55          return true;
  56      }
  57      String inhalt = input.getText();
  58         ////System.out.println("In verify / input = "+input.getText());
  59       final DateFormat sdf = this.getDateFormat ();
  60       try {
  61         String teil = inhalt.substring(6).trim();
  62         if(teil.length()==0){
  63                 input.setText("  .  .    ");
  64                 return true;
  65         }
  66         if(teil.length() == 2){
  67                 String jahrtausend = "";
  68                 if(IntegerTools.trailNullAndRetInt(teil) > 20){
  69                         jahrtausend = inhalt.substring(0,6).trim()+"19"+teil;
  70                 }else{
  71                         jahrtausend = inhalt.substring(0,6).trim()+"20"+teil;
  72                 }
  73                 input.setText(jahrtausend);
  74                 ////System.out.println("Datum = "+jahrtausend);
  75         }
  76         if(inhalt.length() >= 8){
  77                 ////System.out.println("L�nge des Strings = "+input.getText().length());
  78                 if(inhalt.substring(6,7).equals("0")){
  79                         String korrekt = inhalt.substring(0,6);
  80                         korrekt = korrekt+"20"+inhalt.substring(6,8);
  81                         input.setText(korrekt);
  82                         ////System.out.println("korrigiertes Datum = "+korrekt);
  83                 }
  84         }
  85         final Date d = sdf.parse (input.getText());
  86         SwingUtilities.invokeLater(new Runnable () {
  87           public void run () {
  88             input.setText(sdf.format(d));
  89           }
  90         });
  91         return true;
  92       }
  93       catch (final ParseException notValidOrDelete) {
  94
  95
  96          /*
  97
  98         if (((DateInputVerifier) input).getPlaceHolder() != null) {
  99           String noMaskValue = null;
 100           if (Locale.getDefault ().getLanguage ().equals (Locale.GERMANY.getLanguage ())) {
 101                   ////System.out.println("InputVerifier - Locale = Germany");
 102             noMaskValue = input.getText().replace ('.',((JFormattedField) input).getPlaceHolder ());
 103           }
 104           else {
 105             noMaskValue = input.getText().replace ('-',((JRtaTextField) input).getPlaceHolder ());
 106                 ////System.out.println("InputVerifier - Locale = English");
 107           }
 108           for (char c : noMaskValue.toCharArray()) {
 109             if (c != ((JRtaTextField) input).getPlaceHolder()) return false;
 110           }
 111           return true;
 112         }
 113         */
 114           //System.out.println("Unzul�ssige Datumseingabe");
 115         JOptionPane.showMessageDialog(null,"Unzulässige Datumseingabe");
 116
 117         return false;
 118       }
 119     }
 120
 121
 122     protected DateFormat getDateFormat () {
 123       if (Locale.getDefault().getLanguage().equals(Locale.GERMANY.getLanguage())) {
 124         return new SimpleDateFormat ("dd.MM.yyyy");
 125       }
 126       else {
 127         return new SimpleDateFormat("yyyy-MM-dd");
 128       }
 129     }
 130
 131     public boolean shouldYieldFocus (final JComponent input) {
 132       if (!verify(input)) {
 133         input.setForeground(Color.RED);
 134         input.setBorder(BorderFactory.createEtchedBorder(Color.RED, new Color (255,50,50)));
 135         return false;
 136       }
 137       else {
 138         //input.setForeground(Color.BLACK);
 139         input.setBorder((Border)UIManager.getLookAndFeelDefaults().get("TextField.border"));
 140         return true;
 141       }
 142     }
 143   }