2 files changed, 26 insertions, 10 deletions

diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIImpl.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIImpl.java
index f564c07a..1d5a2cf4 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIImpl.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/BKUGUIImpl.java
@@ -38,9 +38,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.ResourceBundle;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-import javax.swing.CellRendererPane;
 import javax.swing.GroupLayout;
 import javax.swing.ImageIcon;
 import javax.swing.JButton;
@@ -51,7 +48,6 @@ import javax.swing.JPanel;
 import javax.swing.JPasswordField;
 import javax.swing.JScrollPane;
 import javax.swing.JTable;
-import javax.swing.JTextField;
 import javax.swing.LayoutStyle;
 import javax.swing.ListSelectionModel;
 import javax.swing.SwingUtilities;
@@ -1064,7 +1060,9 @@ public class BKUGUIImpl implements BKUGUIFacade {
     @Override
     public char[] getPin() {
         if (pinField != null) {
-            return pinField.getPassword();
+          char[] pin = pinField.getPassword();
+          pinField = null;
+          return pin;
         }
         return null;
     }
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java
index 2054ae86..87b636f0 100644
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java
+++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/PinDocument.java
@@ -22,6 +22,7 @@ import java.util.regex.Pattern;
 import javax.swing.JButton;
 import javax.swing.text.AttributeSet;
 import javax.swing.text.BadLocationException;
+import javax.swing.text.Document;
 import javax.swing.text.PlainDocument;
 
 /**
@@ -30,9 +31,10 @@ import javax.swing.text.PlainDocument;
  */
 class PINDocument extends PlainDocument {
 
-        private PINSpec pinSpec;
-        private Pattern pinPattern;
-        private JButton enterButton;
+        protected PINSpec pinSpec;
+        protected Pattern pinPattern;
+        protected JButton enterButton;
+        protected Document compareTo;
 
         public PINDocument(PINSpec pinSpec, JButton enterButton) {
             this.pinSpec = pinSpec;
@@ -44,6 +46,11 @@ class PINDocument extends PlainDocument {
             this.enterButton = enterButton;
         }
 
+        public PINDocument(PINSpec pinSpec, JButton enterButton, Document compareTo) {
+          this(pinSpec, enterButton);
+          this.compareTo = compareTo;
+        }
+
         @Override
         public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
             if (pinSpec.getMaxLength() < 0 || pinSpec.getMaxLength() >= (getLength() + str.length())) {
@@ -58,12 +65,23 @@ class PINDocument extends PlainDocument {
                     super.insertString(offs, str, a);
                 }
             }
-            enterButton.setEnabled(getLength() >= pinSpec.getMinLength());
+            if (enterButton != null) {
+              enterButton.setEnabled(getLength() >= pinSpec.getMinLength() && compare());
+            }
         }
 
         @Override
         public void remove(int offs, int len) throws BadLocationException {
             super.remove(offs, len);
-            enterButton.setEnabled(getLength() >= pinSpec.getMinLength());
+            if (enterButton != null) {
+              enterButton.setEnabled(getLength() >= pinSpec.getMinLength() && compare());
+            }
+        }
+
+        private boolean compare() throws BadLocationException {
+          if (compareTo == null) {
+            return true;
+          }
+          return compareTo.getText(0, compareTo.getLength()).equals(getText(0, getLength()));
         }
     }
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