GUI refactoring 2

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@178 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

1 files changed, 0 insertions, 1410 deletions

diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java
deleted file mode 100644
index d4d6efef..00000000
--- a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/SimpleGUI.java
+++ /dev/null
@@ -1,1410 +0,0 @@
-/*
- * Copyright 2008 Federal Chancellery Austria and
- * Graz University of Technology
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package at.gv.egiz.bku.gui;
-
-import at.gv.egiz.smcc.PINSpec;
-import at.gv.egiz.stal.HashDataInput;
-import java.awt.Container;
-import java.awt.Cursor;
-import java.awt.Font;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.MouseAdapter;
-import java.awt.event.MouseEvent;
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.reflect.InvocationTargetException;
-import java.net.URL;
-import java.text.MessageFormat;
-import java.util.List;
-import java.util.Locale;
-import java.util.ResourceBundle;
-import javax.swing.GroupLayout;
-import javax.swing.ImageIcon;
-import javax.swing.JButton;
-import javax.swing.JFileChooser;
-import javax.swing.JLabel;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.JPasswordField;
-import javax.swing.JScrollPane;
-import javax.swing.JTable;
-import javax.swing.JTextArea;
-import javax.swing.LayoutStyle;
-import javax.swing.SwingUtilities;
-import javax.swing.table.TableModel;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- *
- * @author clemens
- */
-public class SimpleGUI implements BKUGUIFacade {
-    
-    private static final Log log = LogFactory.getLog(SimpleGUI.class);
-
-    protected HelpMouseListener helpListener;
-    
-    protected Container contentPane;
-    protected ResourceBundle messages;
-    /** left and right side main panels */
-    protected JPanel iconPanel;
-    protected JPanel contentPanel;
-    /** right side content panels and layouts */
-    protected JPanel headerPanel;
-    protected JPanel mainPanel;
-    protected JPanel buttonPanel;
-    /** right side fixed labels  */
-    protected JLabel titleLabel;
-    protected JLabel helpLabel;
-    /** remember the pinfield to return to worker */
-    protected JPasswordField pinField;
-
-    protected int buttonSize;
-    
-    /** gui style config (default 'simple') */
-    protected boolean renderHeaderPanel = false;
-    protected boolean renderIconPanel = false;
-    protected boolean renderCancelButton = false;
-
-    /**
-     * set contentPane
-     * init message bundle
-     * configure the style 
-     * register the help listener
-     * create GUI (on event-dispatching thread)
-     * 
-     * @param contentPane
-     * @param locale
-     * @param guiStyle
-     * @param background
-     * @param helpListener
-     */
-    public SimpleGUI(Container contentPane, Locale locale, Style guiStyle, URL background, ActionListener helpListener) {
-      this.contentPane = contentPane;
-
-      if (locale != null) {
-          messages = ResourceBundle.getBundle(MESSAGES_BUNDLE, locale);
-      } else {
-          messages = ResourceBundle.getBundle(MESSAGES_BUNDLE);
-      }
-
-      if (guiStyle == Style.advanced) {
-        renderHeaderPanel = true;
-        renderIconPanel = false;
-        renderCancelButton = true;
-      }
-
-      registerHelpListener(helpListener);
-      
-      createGUI(background);
-    }
-    
-    private void createGUI(final URL background) {
-
-        try {
-
-          log.debug("scheduling gui initialization");
-      
-            SwingUtilities.invokeAndWait(new Runnable() {
-
-                @Override
-                public void run() {
-                  
-                  log.debug("initializing gui");
-
-                  if (renderIconPanel) {
-                    initIconPanel(background);
-                    initContentPanel(null);
-                  } else {
-                    initContentPanel(background);
-                  }
-                  
-                  GroupLayout layout = new GroupLayout(contentPane);
-                  contentPane.setLayout(layout);
-                  
-                  if (renderIconPanel) {
-                    layout.setHorizontalGroup(layout.createSequentialGroup()
-                        .addComponent(iconPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-                        .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
-                        .addComponent(contentPanel, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));
-                    layout.setVerticalGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                      .addComponent(iconPanel, GroupLayout.Alignment.TRAILING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                      .addComponent(contentPanel, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));
-                  } else {
-                    layout.setHorizontalGroup(layout.createSequentialGroup().addComponent(contentPanel));
-                    layout.setVerticalGroup(layout.createSequentialGroup().addComponent(contentPanel));
-                  }
-                }
-            });
-        } catch (Exception ex) {
-            throw new RuntimeException("Failed to init GUI: " + ex.getMessage());
-        }
-    }
-    
-    protected void initIconPanel(URL background) {
-      if (background == null) {
-        background = getClass().getResource(DEFAULT_BACKGROUND);
-      }
-      if ("file".equals(background.getProtocol())) {
-        log.warn("file:// background images not permitted: " + background);
-        background = getClass().getResource(DEFAULT_BACKGROUND);
-      }
-      log.debug("loading icon panel background " + background);
-      
-      iconPanel = new JPanel();
-      JLabel iconLabel = new JLabel();
-      iconLabel.setIcon(new ImageIcon(background));
-
-      GroupLayout iconPanelLayout = new GroupLayout(iconPanel);
-      iconPanel.setLayout(iconPanelLayout);
-      iconPanelLayout.setHorizontalGroup(
-        iconPanelLayout.createSequentialGroup()
-          .addContainerGap()
-          .addComponent(iconLabel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE));
-          // no gap here (contentPanel has containerGap)
-      iconPanelLayout.setVerticalGroup(
-        iconPanelLayout.createSequentialGroup()
-          .addContainerGap()
-          .addComponent(iconLabel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-          .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));
-    }
-
-    protected void initContentPanel(URL background) { 
-
-      if (background == null) {
-        background = getClass().getResource(DEFAULT_BACKGROUND);
-      }
-      if ("file".equals(background.getProtocol())) {
-        log.warn("file:// background images not permitted: " + background);
-        background = getClass().getResource(DEFAULT_BACKGROUND);
-      }
-      log.debug("loading background " + background);
-      contentPanel = new ImagePanel(background);
-
-      mainPanel = new JPanel();
-      mainPanel.setOpaque(false);
-      buttonPanel = new JPanel(); 
-      buttonPanel.setOpaque(false);
-
-      helpLabel = new JLabel();
-      helpLabel.setIcon(new ImageIcon(getClass().getResource(HELP_IMG))); 
-      helpLabel.getAccessibleContext().setAccessibleName(messages.getString(ALT_HELP));
-      helpLabel.addMouseListener(helpListener);
-      helpLabel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
-    
-      buttonSize = initButtonSize(messages, renderCancelButton);
-        
-      if (renderHeaderPanel) {
-        headerPanel = new JPanel();
-        headerPanel.setOpaque(false);
-
-        titleLabel = new JLabel();
-        titleLabel.setFont(titleLabel.getFont().deriveFont(titleLabel.getFont().getStyle() |
-          java.awt.Font.BOLD, titleLabel.getFont().getSize() + 2));
-
-        GroupLayout headerPanelLayout = new GroupLayout(headerPanel);
-        headerPanel.setLayout(headerPanelLayout);
-
-        headerPanelLayout.setHorizontalGroup(
-          headerPanelLayout.createSequentialGroup()
-            .addComponent(titleLabel, 0, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE)
-            .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-            .addComponent(helpLabel));
-        headerPanelLayout.setVerticalGroup(
-          headerPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-            .addComponent(titleLabel, 0, GroupLayout.PREFERRED_SIZE, Short.MAX_VALUE)
-            .addComponent(helpLabel));
-      }
-
-      GroupLayout contentPanelLayout = new GroupLayout(contentPanel);
-      contentPanel.setLayout(contentPanelLayout);
-
-      GroupLayout.ParallelGroup horizontalContentInner = contentPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING);
-      if (renderHeaderPanel) {
-        horizontalContentInner
-                .addComponent(headerPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE);
-      }
-      horizontalContentInner
-              .addComponent(mainPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-              .addComponent(buttonPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE);
-      GroupLayout.SequentialGroup horizontalContentOuter = contentPanelLayout.createSequentialGroup();
-      if (!renderIconPanel) {
-        horizontalContentOuter
-                .addContainerGap();
-      }
-      horizontalContentOuter
-              .addGroup(horizontalContentInner)
-              .addContainerGap();
-      contentPanelLayout.setHorizontalGroup(horizontalContentOuter);
-      
-      GroupLayout.SequentialGroup verticalContent = contentPanelLayout.createSequentialGroup();
-      verticalContent.addContainerGap();
-      if (renderHeaderPanel) {
-        verticalContent.addComponent(headerPanel, 0, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-          .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED);
-      }
-      verticalContent.addComponent(mainPanel, 0, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) 
-        .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
-        .addComponent(buttonPanel, 0, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-        .addContainerGap();
-      contentPanelLayout.setVerticalGroup(verticalContent);
-    }
-
-    @Override
-    public Locale getLocale() {
-      return messages.getLocale();
-    }
-
-    @Override
-    public void showWelcomeDialog() {
-      
-      log.debug("scheduling welcome dialog");
-      
-        SwingUtilities.invokeLater(new Runnable() {
-
-            @Override
-            public void run() {
-              
-              log.debug("show welcome dialog");
-              
-                mainPanel.removeAll();
-                buttonPanel.removeAll();
-
-                helpListener.setHelpTopic(HELP_WELCOME);
-                
-                JLabel welcomeMsgLabel = new JLabel();
-                welcomeMsgLabel.setFont(welcomeMsgLabel.getFont().deriveFont(welcomeMsgLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                
-                if (renderHeaderPanel) {
-                  titleLabel.setText(messages.getString(TITLE_WELCOME));
-                  welcomeMsgLabel.setText(messages.getString(MESSAGE_WAIT));
-                } else {
-                  welcomeMsgLabel.setText(messages.getString(TITLE_WELCOME));   
-                }
-                
-                GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-                mainPanel.setLayout(mainPanelLayout);
-
-                GroupLayout.SequentialGroup messageHorizontal = mainPanelLayout.createSequentialGroup()
-                        .addComponent(welcomeMsgLabel);
-                GroupLayout.Group messageVertical = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                        .addComponent(welcomeMsgLabel);
-                if (!renderHeaderPanel) {
-                  messageHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                          .addComponent(helpLabel); 
-                  messageVertical
-                          .addComponent(helpLabel);
-                }
-
-                mainPanelLayout.setHorizontalGroup(messageHorizontal);
-                mainPanelLayout.setVerticalGroup(messageVertical);
-                
-                contentPanel.validate();
-
-            }
-        });
-    }
-
-    @Override
-    public void showInsertCardDialog(final ActionListener cancelListener, final String cancelCommand) {
-      
-      log.debug("scheduling insert card dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-            @Override
-            public void run() {
-              
-              log.debug("show insert card dialog");
-      
-                mainPanel.removeAll();
-                buttonPanel.removeAll();
-
-                if (renderHeaderPanel) {
-                  titleLabel.setText(messages.getString(TITLE_INSERTCARD));
-                }
-                
-                helpListener.setHelpTopic(HELP_INSERTCARD);
-
-                JLabel insertCardMsgLabel = new JLabel();
-                insertCardMsgLabel.setFont(insertCardMsgLabel.getFont().deriveFont(insertCardMsgLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                insertCardMsgLabel.setText(messages.getString(MESSAGE_INSERTCARD));
-
-                GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-                mainPanel.setLayout(mainPanelLayout);
-
-                GroupLayout.SequentialGroup messageHorizontal = mainPanelLayout.createSequentialGroup()
-                        .addComponent(insertCardMsgLabel);
-                GroupLayout.ParallelGroup messageVertical = mainPanelLayout.createParallelGroup()
-                        .addComponent(insertCardMsgLabel);
-                
-                if (!renderHeaderPanel) {
-                  messageHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                          .addComponent(helpLabel);    
-                  messageVertical
-                          .addComponent(helpLabel);
-                }
-                
-                mainPanelLayout.setHorizontalGroup(messageHorizontal);
-                mainPanelLayout.setVerticalGroup(messageVertical);
-                
-                if (renderCancelButton) {
-                  JButton cancelButton = new JButton();
-                  cancelButton.setText(messages.getString(BUTTON_CANCEL));
-                  cancelButton.addActionListener(cancelListener);
-                  cancelButton.setActionCommand(cancelCommand);
-
-                  GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-                  buttonPanel.setLayout(buttonPanelLayout);
-
-                  buttonPanelLayout.setHorizontalGroup(
-                    buttonPanelLayout.createSequentialGroup()
-                          .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                          .addComponent(cancelButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE));
-                  buttonPanelLayout.setVerticalGroup(
-                    buttonPanelLayout.createSequentialGroup()
-                      .addComponent(cancelButton));
-                }
-
-                contentPanel.validate();
-            }
-        });
-    }
-
-    /**
-     * only difference to showInsertCard: title text: card not supported
-     * @param cancelListener
-     * @param cancelCommand
-     */
-    @Override
-    public void showCardNotSupportedDialog(final ActionListener cancelListener, final String cancelCommand) {
-        
-      log.debug("scheduling card not supported dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-            @Override
-            public void run() {
-                
-              log.debug("show card not supported dialog");
-                
-              mainPanel.removeAll();
-              buttonPanel.removeAll();
-
-              JLabel insertCardMsgLabel = new JLabel();
-              insertCardMsgLabel.setFont(insertCardMsgLabel.getFont().deriveFont(insertCardMsgLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-
-              if (renderHeaderPanel) {
-                titleLabel.setText(messages.getString(TITLE_CARD_NOT_SUPPORTED));
-                insertCardMsgLabel.setText(messages.getString(MESSAGE_INSERTCARD));
-              } else {
-                insertCardMsgLabel.setText(messages.getString(TITLE_CARD_NOT_SUPPORTED)); 
-              }
-
-              helpListener.setHelpTopic(HELP_CARDNOTSUPPORTED);
-              
-              GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-              mainPanel.setLayout(mainPanelLayout);
-
-              GroupLayout.SequentialGroup messageHorizontal = mainPanelLayout.createSequentialGroup()
-                      .addComponent(insertCardMsgLabel);
-              GroupLayout.Group messageVertical = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                      .addComponent(insertCardMsgLabel);
-              if (!renderHeaderPanel) {
-                messageHorizontal
-                        .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                        .addComponent(helpLabel);
-                messageVertical
-                        .addComponent(helpLabel);
-              } 
-              
-              mainPanelLayout.setHorizontalGroup(messageHorizontal);
-              mainPanelLayout.setVerticalGroup(messageVertical);
-                
-              if (renderCancelButton) {
-                JButton cancelButton = new JButton();
-                cancelButton.setText(messages.getString(BUTTON_CANCEL));
-                cancelButton.addActionListener(cancelListener);
-                cancelButton.setActionCommand(cancelCommand);
-
-                GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-                buttonPanel.setLayout(buttonPanelLayout);
-
-                buttonPanelLayout.setHorizontalGroup(
-                  buttonPanelLayout.createSequentialGroup()
-                        .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                        .addComponent(cancelButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE));
-                buttonPanelLayout.setVerticalGroup(
-                  buttonPanelLayout.createSequentialGroup()
-                    .addComponent(cancelButton));
-              }
-              
-              contentPanel.validate();
-            }
-        });
-    }
-
-  private static int initButtonSize(ResourceBundle messages, boolean renderCancelButton) {
-
-    int buttonSize = 0;
-    
-    JButton b = new JButton();
-    b.setText(messages.getString(BUTTON_OK));
-    if (b.getPreferredSize().width > buttonSize) {
-      buttonSize = b.getPreferredSize().width;
-    }
-    b.setText(messages.getString(BUTTON_SIGN));
-    if (b.getPreferredSize().width > buttonSize) {
-      buttonSize = b.getPreferredSize().width;
-    }
-    b.setText(messages.getString(BUTTON_BACK));
-    if (b.getPreferredSize().width > buttonSize) {
-      buttonSize = b.getPreferredSize().width;
-    }
-    b.setText(messages.getString(BUTTON_SAVE));
-    if (b.getPreferredSize().width > buttonSize) {
-      buttonSize = b.getPreferredSize().width;
-    }
-    if (renderCancelButton) {
-      b.setText(messages.getString(BUTTON_CANCEL));
-      if (b.getPreferredSize().width > buttonSize) {
-        buttonSize = b.getPreferredSize().width;
-      }
-    }
-    return buttonSize;
-  }
-
-    private void showCardPINDialog(final PINSpec pinSpec, final int numRetries, final ActionListener okListener, final String okCommand, final ActionListener cancelListener, final String cancelCommand) {
-        
-      log.debug("scheduling card-pin dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-            @Override
-            public void run() {
-
-              log.debug("show card-pin dialog");
-      
-                mainPanel.removeAll();
-                buttonPanel.removeAll();
-
-                if (renderHeaderPanel) {
-                  if (numRetries < 0) {
-                      String cardpinTitle = messages.getString(TITLE_CARDPIN);
-                      titleLabel.setText(MessageFormat.format(cardpinTitle, new Object[]{pinSpec.getLocalizedName()}));
-                  } else {
-                      titleLabel.setText(messages.getString(TITLE_RETRY));
-                  }
-                }
-
-                JButton okButton = new JButton();
-                okButton.setFont(okButton.getFont().deriveFont(okButton.getFont().getStyle() & ~java.awt.Font.BOLD));
-                okButton.setText(messages.getString(BUTTON_OK));
-                okButton.setEnabled(false);
-                okButton.setActionCommand(okCommand);
-                okButton.addActionListener(okListener);
-
-                JLabel cardPinLabel = new JLabel();
-                cardPinLabel.setFont(cardPinLabel.getFont().deriveFont(cardPinLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                String pinLabel = messages.getString(LABEL_PIN);
-                cardPinLabel.setText(MessageFormat.format(pinLabel, new Object[]{pinSpec.getLocalizedName()}));
-
-                pinField = new JPasswordField();
-                pinField.setText("");
-                pinField.setDocument(new PINDocument(pinSpec, okButton));
-                pinField.setActionCommand(okCommand);
-                pinField.addActionListener(new ActionListener() {
-
-                    @Override
-                    public void actionPerformed(ActionEvent e) {
-                        if (pinField.getPassword().length >= pinSpec.getMinLength()) {
-                            okListener.actionPerformed(e);
-                        }
-                    }
-                });
-
-                JLabel infoLabel = new JLabel();
-                if (numRetries < 0) {
-                  infoLabel.setFont(infoLabel.getFont().deriveFont(infoLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                  String infoPattern = messages.getString(MESSAGE_ENTERPIN);
-                  infoLabel.setText(MessageFormat.format(infoPattern, new Object[] {pinSpec.getLocalizedName()}));
-                  helpListener.setHelpTopic(HELP_CARDPIN);
-                } else {
-                  infoLabel.setFont(infoLabel.getFont().deriveFont(infoLabel.getFont().getStyle() | java.awt.Font.BOLD));
-                  infoLabel.setText(MessageFormat.format(messages.getString(MESSAGE_RETRIES), new Object[]{String.valueOf(numRetries)}));
-                  infoLabel.setForeground(ERROR_COLOR);
-                  helpListener.setHelpTopic(HELP_RETRY);
-                }
-                
-                JLabel pinsizeLabel = new JLabel();
-                pinsizeLabel.setFont(pinsizeLabel.getFont().deriveFont(pinsizeLabel.getFont().getStyle() & ~java.awt.Font.BOLD, pinsizeLabel.getFont().getSize()-2));
-                String pinsizePattern = messages.getString(LABEL_PINSIZE);
-                String pinSize = String.valueOf(pinSpec.getMinLength());
-                if (pinSpec.getMinLength() != pinSpec.getMaxLength()) {
-                    pinSize += "-" + pinSpec.getMaxLength();
-                }
-                pinsizeLabel.setText(MessageFormat.format(pinsizePattern, new Object[]{pinSize}));
-                
-                GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-                mainPanel.setLayout(mainPanelLayout);
-
-                GroupLayout.ParallelGroup mainHorizontal = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING);
-                GroupLayout.SequentialGroup pinHorizontal = mainPanelLayout.createSequentialGroup()
-                      .addComponent(cardPinLabel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-                      .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                      .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.TRAILING)
-                        .addComponent(pinField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) //))
-                        .addComponent(pinsizeLabel));
-                
-                GroupLayout.SequentialGroup mainVertical = mainPanelLayout.createSequentialGroup();
-                
-                if (!renderHeaderPanel) {
-                  GroupLayout.SequentialGroup infoHorizontal = mainPanelLayout.createSequentialGroup()
-                          .addComponent(infoLabel) //, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE);
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                          .addComponent(helpLabel); //, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-                  mainHorizontal
-                          .addGroup(infoHorizontal)
-                          .addGroup(pinHorizontal);
-                  GroupLayout.ParallelGroup infoVertical = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                          .addComponent(infoLabel)
-                          .addComponent(helpLabel);
-                  mainVertical
-                          .addGroup(infoVertical)
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED);
-                } else {
-                  mainHorizontal
-                          .addGroup(pinHorizontal);
-                }
-
-                mainVertical
-                  .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE)
-                    .addComponent(cardPinLabel)
-                    .addComponent(pinField))
-                  .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                  .addComponent(pinsizeLabel);
-                
-                mainPanelLayout.setHorizontalGroup(mainHorizontal);
-                mainPanelLayout.setVerticalGroup(mainVertical);
-                
-                
-                GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-                buttonPanel.setLayout(buttonPanelLayout);
-
-                GroupLayout.SequentialGroup buttonHorizontal = buttonPanelLayout.createSequentialGroup()
-                        .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                        .addComponent(okButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE);
-                GroupLayout.Group buttonVertical;
-                
-                if (renderCancelButton) {
-                  JButton cancelButton = new JButton();
-                  cancelButton.setText(messages.getString(BUTTON_CANCEL));
-                  cancelButton.setActionCommand(cancelCommand);
-                  cancelButton.addActionListener(cancelListener);
-
-                  buttonHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                          .addComponent(cancelButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE);
-                  buttonVertical = buttonPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE) 
-                          .addComponent(okButton)
-                          .addComponent(cancelButton); 
-                } else {
-                  buttonVertical = buttonPanelLayout.createSequentialGroup()
-                          .addComponent(okButton);
-                }
-                
-                buttonPanelLayout.setHorizontalGroup(buttonHorizontal);
-                buttonPanelLayout.setVerticalGroup(buttonVertical);
-
-                pinField.requestFocusInWindow();
-                contentPanel.validate();
-
-            }
-        });
-    }
-
-    @Override
-    public void showCardPINDialog(PINSpec pinSpec, ActionListener okListener, String okCommand, ActionListener cancelListener, String cancelCommand) {
-        showCardPINDialog(pinSpec, -1, okListener, okCommand, cancelListener, cancelCommand);
-    }
-
-    @Override
-    public void showCardPINRetryDialog(PINSpec pinSpec, int numRetries, ActionListener okListener, String okCommand, ActionListener cancelListener, String cancelCommand) {
-        showCardPINDialog(pinSpec, numRetries, okListener, okCommand, cancelListener, cancelCommand);
-    }
-
-    @Override
-    public void showSignaturePINDialog(PINSpec pinSpec, ActionListener signListener, String signCommand, ActionListener cancelListener, String cancelCommand, ActionListener hashdataListener, String hashdataCommand) {
-        showSignaturePINDialog(pinSpec, -1, signListener, signCommand, cancelListener, cancelCommand, hashdataListener, hashdataCommand);
-    }
-
-    @Override
-    public void showSignaturePINRetryDialog(PINSpec pinSpec, int numRetries, ActionListener okListener, String okCommand, ActionListener cancelListener, String cancelCommand, ActionListener hashdataListener, String hashdataCommand) {
-        showSignaturePINDialog(pinSpec, numRetries, okListener, okCommand, cancelListener, cancelCommand, hashdataListener, hashdataCommand);
-    }
-
-    private void showSignaturePINDialog(final PINSpec pinSpec, final int numRetries, final ActionListener signListener, final String signCommand, final ActionListener cancelListener, final String cancelCommand, final ActionListener hashdataListener, final String hashdataCommand) {
-
-      log.debug("scheduling signature-pin dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-            @Override
-            public void run() {
-              
-              log.debug("show signature-pin dialog");
-      
-                mainPanel.removeAll();
-                buttonPanel.removeAll();
-                
-                if (renderHeaderPanel) {
-                  if (numRetries < 0) {
-                      titleLabel.setText(messages.getString(TITLE_SIGN));
-                  } else {
-                      titleLabel.setText(messages.getString(TITLE_RETRY));
-                  }
-                }
-
-                JButton signButton = new JButton();
-                signButton.setFont(signButton.getFont().deriveFont(signButton.getFont().getStyle() & ~java.awt.Font.BOLD));
-                signButton.setText(messages.getString(BUTTON_SIGN));
-                signButton.setEnabled(false);
-                signButton.setActionCommand(signCommand);
-                signButton.addActionListener(signListener);
-
-                JLabel signPinLabel = new JLabel();
-                signPinLabel.setFont(signPinLabel.getFont().deriveFont(signPinLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                String pinLabel = messages.getString(LABEL_PIN);
-                signPinLabel.setText(MessageFormat.format(pinLabel, new Object[]{pinSpec.getLocalizedName()}));
-
-                pinField = new JPasswordField();
-                pinField.setText("");
-                pinField.setDocument(new PINDocument(pinSpec, signButton));
-                pinField.setActionCommand(signCommand);
-                pinField.addActionListener(new ActionListener() {
-
-                    @Override
-                    public void actionPerformed(ActionEvent e) {
-                        if (pinField.getPassword().length >= pinSpec.getMinLength()) {
-                            signListener.actionPerformed(e);
-                        }
-                    }
-                });
-
-                JLabel pinsizeLabel = new JLabel();
-                pinsizeLabel.setFont(pinsizeLabel.getFont().deriveFont(pinsizeLabel.getFont().getStyle() & ~java.awt.Font.BOLD, pinsizeLabel.getFont().getSize()-2));
-                String pinsizePattern = messages.getString(LABEL_PINSIZE);
-                String pinSize = String.valueOf(pinSpec.getMinLength());
-                if (pinSpec.getMinLength() != pinSpec.getMaxLength()) {
-                    pinSize += "-" + pinSpec.getMaxLength();
-                }
-                pinsizeLabel.setText(MessageFormat.format(pinsizePattern, new Object[]{pinSize}));
-
-                JLabel infoLabel = new JLabel();
-                if (numRetries < 0) {
-                  infoLabel.setFont(infoLabel.getFont().deriveFont(infoLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                  infoLabel.setText(messages.getString(MESSAGE_HASHDATALINK));
-                  infoLabel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
-                  infoLabel.setForeground(HYPERLINK_COLOR);
-                  infoLabel.addMouseListener(new MouseAdapter() {
-
-                      @Override
-                      public void mouseClicked(MouseEvent me) {
-                          ActionEvent e = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, hashdataCommand);
-                          hashdataListener.actionPerformed(e);
-                      }
-                  });
-                  helpListener.setHelpTopic(HELP_SIGNPIN);
-                } else {
-                  infoLabel.setFont(infoLabel.getFont().deriveFont(infoLabel.getFont().getStyle() | java.awt.Font.BOLD));
-                  infoLabel.setText(MessageFormat.format(messages.getString(MESSAGE_RETRIES), new Object[]{String.valueOf(numRetries)}));
-                  infoLabel.setForeground(ERROR_COLOR);
-                  helpListener.setHelpTopic(HELP_RETRY);
-                }
-
-                GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-                mainPanel.setLayout(mainPanelLayout);
-                
-                GroupLayout.SequentialGroup infoHorizontal = mainPanelLayout.createSequentialGroup()
-                        .addComponent(infoLabel);
-                GroupLayout.ParallelGroup infoVertical = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                        .addComponent(infoLabel);
-                       
-                if (!renderHeaderPanel) {
-                  infoHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                          .addComponent(helpLabel); //, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE);
-                  infoVertical
-                          .addComponent(helpLabel);
-                }
-
-                mainPanelLayout.setHorizontalGroup(
-                  mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                    .addGroup(infoHorizontal)
-                    .addGroup(mainPanelLayout.createSequentialGroup()
-                        .addComponent(signPinLabel, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
-                        .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                        .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.TRAILING)
-                          .addComponent(pinField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                          .addComponent(pinsizeLabel))));
-
-                mainPanelLayout.setVerticalGroup(
-                  mainPanelLayout.createSequentialGroup()
-                    .addGroup(infoVertical)
-                    .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                    .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE)
-                        .addComponent(signPinLabel)
-                        .addComponent(pinField))
-                    .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                    .addComponent(pinsizeLabel));
-
-                GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-                buttonPanel.setLayout(buttonPanelLayout);
-
-                GroupLayout.SequentialGroup buttonHorizontal = buttonPanelLayout.createSequentialGroup()
-                        .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                        .addComponent(signButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE);
-                GroupLayout.Group buttonVertical;
-                
-                if (renderCancelButton) {
-                  JButton cancelButton = new JButton();
-                  cancelButton.setText(messages.getString(BUTTON_CANCEL));
-                  cancelButton.setActionCommand(cancelCommand);
-                  cancelButton.addActionListener(cancelListener);
-
-                  buttonHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                          .addComponent(cancelButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE);
-                  
-                  buttonVertical = buttonPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE)
-                          .addComponent(signButton)
-                          .addComponent(cancelButton); 
-                } else {
-                  buttonVertical = buttonPanelLayout.createSequentialGroup()
-                          .addComponent(signButton);
-                }
-                
-                buttonPanelLayout.setHorizontalGroup(buttonHorizontal);
-                buttonPanelLayout.setVerticalGroup(buttonVertical);
-
-                pinField.requestFocusInWindow();
-                contentPanel.validate();
-
-            }
-        });
-    }
-
-    @Override
-    public void showErrorDialog(final String errorMsgKey, final Object[] errorMsgParams, final ActionListener okListener, final String okCommand) {
-        
-      log.debug("scheduling error dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-          @Override
-            public void run() {
-
-                log.debug("show error dialog");
-                
-                mainPanel.removeAll();
-                buttonPanel.removeAll();
-
-                if (renderHeaderPanel) {
-                  titleLabel.setText(messages.getString(TITLE_ERROR));
-                }
-
-                helpListener.setHelpTopic(errorMsgKey);
-                
-                String errorMsgPattern = messages.getString(errorMsgKey);
-                String errorMsg = MessageFormat.format(errorMsgPattern, errorMsgParams);
-                
-                JLabel errorMsgLabel = new JLabel();
-                errorMsgLabel.setFont(errorMsgLabel.getFont().deriveFont(errorMsgLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                errorMsgLabel.setText(errorMsg);
-
-                GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-                mainPanel.setLayout(mainPanelLayout);
-
-                GroupLayout.ParallelGroup mainHorizontal = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING);
-                GroupLayout.SequentialGroup mainVertical = mainPanelLayout.createSequentialGroup();
-                
-                if (!renderHeaderPanel) {
-                  JLabel errorTitleLabel = new JLabel();
-                  errorTitleLabel.setFont(errorTitleLabel.getFont().deriveFont(errorTitleLabel.getFont().getStyle() | java.awt.Font.BOLD));
-                  errorTitleLabel.setText(messages.getString(TITLE_ERROR));
-                  errorTitleLabel.setForeground(ERROR_COLOR);
-                
-                  mainHorizontal
-                          .addGroup(mainPanelLayout.createSequentialGroup()
-                            .addComponent(errorTitleLabel)
-                            .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                            .addComponent(helpLabel));
-                  mainVertical
-                          .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                            .addComponent(errorTitleLabel)
-                            .addComponent(helpLabel));
-                }
-                
-                mainPanelLayout.setHorizontalGroup(mainHorizontal
-                        .addComponent(errorMsgLabel));
-                mainPanelLayout.setVerticalGroup(mainVertical
-                        .addComponent(errorMsgLabel));
-                
-                JButton okButton = new JButton();
-                okButton.setFont(okButton.getFont().deriveFont(okButton.getFont().getStyle() & ~java.awt.Font.BOLD));
-                okButton.setText(messages.getString(BUTTON_OK));
-                okButton.setActionCommand(okCommand);
-                okButton.addActionListener(okListener);
-
-                GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-                buttonPanel.setLayout(buttonPanelLayout);
-
-                buttonPanelLayout.setHorizontalGroup(
-                  buttonPanelLayout.createSequentialGroup()
-                        .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                        .addComponent(okButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE));
-                buttonPanelLayout.setVerticalGroup(
-                  buttonPanelLayout.createSequentialGroup()
-                    .addComponent(okButton));
-
-                contentPanel.validate();
-            }
-        });
-    }
-
-    @Override
-    public void showErrorDialog(final String errorMsgKey, final Object[] errorMsgParams) {
-      
-      log.debug("scheduling error  dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-        @Override
-        public void run() {
-          
-          log.debug("show error dialog");
-      
-          mainPanel.removeAll();
-          buttonPanel.removeAll();
-
-          if (renderHeaderPanel) {
-            titleLabel.setText(messages.getString(TITLE_ERROR));
-          }
-
-          helpListener.setHelpTopic(errorMsgKey);
-          
-          String errorMsgPattern = messages.getString(errorMsgKey);
-          String errorMsg = MessageFormat.format(errorMsgPattern, errorMsgParams);
-
-          JLabel errorMsgLabel = new JLabel();
-          errorMsgLabel.setFont(errorMsgLabel.getFont().deriveFont(errorMsgLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-          errorMsgLabel.setText(errorMsg);
-          
-          GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-          mainPanel.setLayout(mainPanelLayout);
-
-          
-          GroupLayout.ParallelGroup mainHorizontal = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING);
-          GroupLayout.SequentialGroup mainVertical = mainPanelLayout.createSequentialGroup();
-
-          if (!renderHeaderPanel) {
-            JLabel errorTitleLabel = new JLabel();
-            errorTitleLabel.setFont(errorTitleLabel.getFont().deriveFont(errorTitleLabel.getFont().getStyle() | java.awt.Font.BOLD));
-            errorTitleLabel.setText(messages.getString(TITLE_ERROR));
-            errorTitleLabel.setForeground(ERROR_COLOR);
-
-            mainHorizontal
-                    .addGroup(mainPanelLayout.createSequentialGroup()
-                      .addComponent(errorTitleLabel)
-                      .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                      .addComponent(helpLabel));
-            mainVertical
-                    .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                      .addComponent(errorTitleLabel)
-                      .addComponent(helpLabel));
-          }
-
-          mainPanelLayout.setHorizontalGroup(mainHorizontal
-                  .addComponent(errorMsgLabel));
-          mainPanelLayout.setVerticalGroup(mainVertical
-                  .addComponent(errorMsgLabel));
-          
-          contentPanel.validate();
-        }
-      });
-    }
-
-    @Override
-    public void showWaitDialog(final String waitMessage) {
-        
-      log.debug("scheduling wait dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-            @Override
-            public void run() {
-        
-              log.debug("show wait dialog");
-              
-                mainPanel.removeAll();
-                buttonPanel.removeAll();
-
-                if (renderHeaderPanel) {
-                  titleLabel.setText(messages.getString(TITLE_WAIT));
-                }
-                
-                helpListener.setHelpTopic(HELP_WAIT);
-                
-                JLabel waitMsgLabel = new JLabel();
-                waitMsgLabel.setFont(waitMsgLabel.getFont().deriveFont(waitMsgLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-                if (waitMessage != null) {
-                    waitMsgLabel.setText("<html>" + waitMessage + "</html>");
-                } else {
-                    waitMsgLabel.setText(messages.getString(MESSAGE_WAIT));
-                }
-
-                GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-                mainPanel.setLayout(mainPanelLayout);
-
-                GroupLayout.SequentialGroup messageHorizontal = mainPanelLayout.createSequentialGroup()
-                        .addComponent(waitMsgLabel);
-                GroupLayout.ParallelGroup messageVertical = mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                        .addComponent(waitMsgLabel);
-                
-                if (!renderHeaderPanel) {
-                  messageHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                          .addComponent(helpLabel);
-                  messageVertical
-                          .addComponent(helpLabel);
-                }
-                mainPanelLayout.setHorizontalGroup(messageHorizontal);
-                mainPanelLayout.setVerticalGroup(messageVertical);
-                
-                contentPanel.validate();
-            }
-        });
-    }
-
-    @Override
-    public char[] getPin() {
-        if (pinField != null) {
-            return pinField.getPassword();
-        }
-        return null;
-    }
-    
-    /**
-     * TODO handle multiple references in HashDataViewer
-     * @param signedReferences
-     * @param okListener
-     * @param okCommand
-     */
-    @Override
-    public void showHashDataInputDialog(final List<HashDataInput> signedReferences, final ActionListener okListener, final String okCommand) {
-      
-      if (signedReferences == null) {
-        showErrorDialog(messages.getString(ERR_NO_HASHDATA), new Object[] {"No SignedReferences provided"}, okListener, okCommand);
-        return;
-      }
-      
-      ActionListener saveHashDataListener = new ActionListener() {
-
-          @Override
-          public void actionPerformed(ActionEvent e) {
-              showSaveHashDataInputDialog(signedReferences, okListener, okCommand);
-          }
-      };
-      
-      if (signedReferences.size() == 1) {
-        
-//        if (standalone) {
-          
-          showHashDataViewer(signedReferences, saveHashDataListener, "save");
-          
-//        } else {
-//          if ("text/plain".equals(signedReferences.get(0).getMimeType())) {
-//            
-//            ActionListener saveHashDataListener = new ActionListener() {
-//
-//                @Override
-//                public void actionPerformed(ActionEvent e) {
-//                    showSaveHashDataInputDialog(signedReferences, okListener, okCommand);
-//                }
-//            };
-//            
-//            try {
-//              String hashDataText = getText(signedReferences.get(0));
-//              showPlainTextHashDataInputDialog(hashDataText, saveHashDataListener, "save", okListener, okCommand);
-//            } catch (IOException ex) {
-//              showErrorDialog(messages.getString(ERR_NO_HASHDATA), new Object[] {ex.getMessage()}, okListener, okCommand);
-//            }
-//          
-//          } else {
-//            showSaveHashDataInputDialog(signedReferences, okListener, okCommand);
-//          }
-//        }
-      } else {
-
-//        final HashDataTableModel tableModel = new HashDataTableModel(signedReferences);
-//
-//        ActionListener saveHashDataListener = new ActionListener() {
-//
-//            @Override
-//            public void actionPerformed(ActionEvent e) {
-//              showSaveHashDataInputDialog(tableModel.getSelectedHashData(), okListener, okCommand);
-//            }
-//        };
-        
-        SimpleHashDataTableModel tableModel = new SimpleHashDataTableModel(signedReferences);
-        showMultipleHashDataInputDialog(tableModel, okListener, okCommand, saveHashDataListener, "save");
-      }
-    }
-    
-    /**
-     * blocks until dialog returns (is closed)
-     * @param hashDataText
-     * @param saveListener
-     * @param saveCommand
-     */
-    private void showHashDataViewer(final List<HashDataInput> signedReferences, final ActionListener saveListener, final String saveCommand) {
-      
-      try {
-        log.debug("scheduling plaintext hashdatainput dialog");
-
-        SwingUtilities.invokeAndWait(new Runnable() {
-
-          @Override
-          public void run() {
-
-            log.debug("show plaintext hashdatainput dialog");
-
-            ActionListener l = helpListener.getActionListener();
-            HashDataViewer.showHashDataInput(contentPane, signedReferences, messages, saveListener, saveCommand, l);
-          }
-        });
-        
-      } catch (InterruptedException ex) {
-        log.error("Failed to display HashDataViewer: " + ex.getMessage());
-      } catch (InvocationTargetException ex) {
-        log.error("Failed to display HashDataViewer: " + ex.getMessage());
-      }
-    }
-    
-//    private void showPlainTextHashDataInputDialog(final String hashDataText, final ActionListener saveListener, final String saveCommand, final ActionListener cancelListener, final String cancelCommand) {
-//      
-//      log.debug("scheduling plaintext hashdatainput dialog");
-//      
-//      SwingUtilities.invokeLater(new Runnable() {
-//
-//        @Override
-//        public void run() {
-//          
-//          log.debug("show plaintext hashdatainput dialog");
-//      
-//          mainPanel.removeAll();
-//          buttonPanel.removeAll();
-//
-//          helpListener.setHelpTopic(HELP_HASHDATA);
-//
-//          JLabel refIdLabel = new JLabel();
-//          refIdLabel.setFont(refIdLabel.getFont().deriveFont(refIdLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-//          refIdLabel.setText(messages.getString(MESSAGE_HASHDATA)); //MessageFormat.format(refIdLabelPattern, new Object[]{refId}));
-//
-//          JTextArea hashDataTextArea = new JTextArea(hashDataText);
-//          hashDataTextArea.setEditable(false);
-//          hashDataTextArea.setFont(new Font(HASHDATA_FONT, hashDataTextArea.getFont().getStyle(), hashDataTextArea.getFont().getSize()));
-//          hashDataTextArea.setLineWrap(true);
-//          hashDataTextArea.setWrapStyleWord(true);
-//
-//          JScrollPane hashDataScrollPane = new JScrollPane(hashDataTextArea);
-//
-//          GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-//          mainPanel.setLayout(mainPanelLayout);
-//
-//          mainPanelLayout.setHorizontalGroup(
-//             mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-//              .addGroup(mainPanelLayout.createSequentialGroup()
-//                .addComponent(refIdLabel)
-//                .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-//                .addComponent(helpLabel))
-//              .addComponent(hashDataScrollPane, 0, 0, Short.MAX_VALUE));
-//
-//          mainPanelLayout.setVerticalGroup(
-//            mainPanelLayout.createSequentialGroup()
-//              .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-//                .addComponent(refIdLabel)
-//                .addComponent(helpLabel))
-//              .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-//              .addComponent(hashDataScrollPane, 0, 0, Short.MAX_VALUE));
-//
-//          JButton backButton = new JButton();
-//          backButton.setFont(backButton.getFont().deriveFont(backButton.getFont().getStyle() & ~java.awt.Font.BOLD));
-//          backButton.setText(messages.getString(BUTTON_BACK));
-//          backButton.setActionCommand(cancelCommand);
-//          backButton.addActionListener(cancelListener);
-//
-//          GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-//          buttonPanel.setLayout(buttonPanelLayout);
-//
-//          buttonPanelLayout.setHorizontalGroup(
-//            buttonPanelLayout.createSequentialGroup()
-//                  .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-//                  .addComponent(backButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE));
-//          buttonPanelLayout.setVerticalGroup(
-//            buttonPanelLayout.createSequentialGroup()
-//              .addComponent(backButton));
-//
-//          contentPanel.validate();
-//        }
-//      });
-//    }
-
-    private void showMultipleHashDataInputDialog(final TableModel signedReferences, final ActionListener cancelListener, final String cancelCommand, final ActionListener saveListener, final String saveCommand) {
-      
-      log.debug("scheduling multiple hashdatainput dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-        @Override
-        public void run() {
-          
-          log.debug("show multiple hashdatainput dialog");
-          
-          mainPanel.removeAll();
-          buttonPanel.removeAll();
-
-          if (renderHeaderPanel) {
-            titleLabel.setText(messages.getString(TITLE_HASHDATA));
-          }
-          
-          helpListener.setHelpTopic(HELP_HASHDATALIST);
-          
-          JLabel refIdLabel = new JLabel();
-          refIdLabel.setFont(refIdLabel.getFont().deriveFont(refIdLabel.getFont().getStyle() & ~java.awt.Font.BOLD));
-          String refIdLabelPattern = messages.getString(MESSAGE_HASHDATALIST);
-          refIdLabel.setText(MessageFormat.format(refIdLabelPattern, new Object[]{signedReferences.getRowCount()}));
-
-          JTable hashDataTable = new JTable();
-          hashDataTable.setDefaultRenderer(HashDataInput.class, new HyperLinkRenderer());
-          hashDataTable.setModel(signedReferences);
-          hashDataTable.setTableHeader(null);
-  //        hashDataTable.setShowVerticalLines(false);
-  //        hashDataTable.setRowSelectionAllowed(false);
-//          TableColumn selectCol = hashDataTable.getColumnModel().getColumn(1);
-//          selectCol.setMinWidth(CHECKBOX_WIDTH);
-//          selectCol.setMaxWidth(CHECKBOX_WIDTH);
-
-
-//          hashDataTable.setPreferredScrollableViewportSize(mainPanel.getPreferredSize());
-
-          JScrollPane hashDataScrollPane = new JScrollPane(hashDataTable);
-
-          GroupLayout mainPanelLayout = new GroupLayout(mainPanel);
-          mainPanel.setLayout(mainPanelLayout);
-
-          mainPanelLayout.setHorizontalGroup(
-            mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-              .addGroup(mainPanelLayout.createSequentialGroup()
-                .addComponent(refIdLabel)
-                .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED, 0, Short.MAX_VALUE)
-                .addComponent(helpLabel))
-              .addComponent(hashDataScrollPane, 0, 0, Short.MAX_VALUE));
-
-          mainPanelLayout.setVerticalGroup(
-            mainPanelLayout.createSequentialGroup()
-              .addGroup(mainPanelLayout.createParallelGroup(GroupLayout.Alignment.LEADING)
-                .addComponent(refIdLabel)
-                .addComponent(helpLabel))
-              .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-              .addComponent(hashDataScrollPane, 0, 0, hashDataTable.getPreferredSize().height+3));
-
-          JButton backButton = new JButton();
-          backButton.setFont(backButton.getFont().deriveFont(backButton.getFont().getStyle() & ~java.awt.Font.BOLD));
-          backButton.setText(messages.getString(BUTTON_BACK));
-          backButton.setActionCommand(cancelCommand);
-          backButton.addActionListener(cancelListener);
-
-                GroupLayout buttonPanelLayout = new GroupLayout(buttonPanel);
-                buttonPanel.setLayout(buttonPanelLayout);
-
-                GroupLayout.SequentialGroup buttonHorizontal = buttonPanelLayout.createSequentialGroup()
-                        .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
-                        .addComponent(backButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE);
-                GroupLayout.ParallelGroup buttonVertical = buttonPanelLayout.createParallelGroup(GroupLayout.Alignment.BASELINE)
-                        .addComponent(backButton);
-                
-                if (renderCancelButton) {
-                  //render save button
-                  JButton saveButton = new JButton();
-                  saveButton.setText(messages.getString(BUTTON_SAVE));
-                  saveButton.setActionCommand(saveCommand);
-                  saveButton.addActionListener(saveListener);
-
-                  buttonHorizontal
-                          .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
-                          .addComponent(backButton, GroupLayout.PREFERRED_SIZE, buttonSize, GroupLayout.PREFERRED_SIZE);
-                  buttonVertical
-                          .addComponent(saveButton);
-                }
-                
-                buttonPanelLayout.setHorizontalGroup(buttonHorizontal);
-                buttonPanelLayout.setVerticalGroup(buttonVertical);
-
-          contentPanel.validate();
-        }
-      });
-    }
-    
-    private void showSaveHashDataInputDialog(final List<HashDataInput> signedRefs, final ActionListener okListener, final String okCommand) {
-      
-      log.debug("scheduling save hashdatainput dialog");
-      
-      SwingUtilities.invokeLater(new Runnable() {
-
-        @Override
-        public void run() {
-          
-          log.debug("show save hashdatainput dialog");
-      
-          String userHome = System.getProperty("user.home");
-          
-          JFileChooser fileDialog = new JFileChooser(userHome); 
-          fileDialog.setMultiSelectionEnabled(false);
-          fileDialog.setDialogType(JFileChooser.SAVE_DIALOG);
-          fileDialog.setFileHidingEnabled(true);
-          if (signedRefs.size() == 1) {
-            fileDialog.setDialogTitle(messages.getString(WINDOWTITLE_SAVE));
-            fileDialog.setFileSelectionMode(JFileChooser.FILES_ONLY);
-            String mimeType = signedRefs.get(0).getMimeType();
-            MimeFilter mimeFilter = new MimeFilter(mimeType, messages);
-            fileDialog.setFileFilter(mimeFilter);
-            String filename = messages.getString(SAVE_HASHDATAINPUT_PREFIX) + MimeFilter.getExtension(mimeType);
-            fileDialog.setSelectedFile(new File(userHome, filename));
-          } else {
-            fileDialog.setDialogTitle(messages.getString(WINDOWTITLE_SAVEDIR));
-            fileDialog.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
-          }
-          
-          //parent contentPane -> placed over applet
-          switch (fileDialog.showSaveDialog(fileDialog)) {
-            case JFileChooser.APPROVE_OPTION:
-              File f = fileDialog.getSelectedFile();
-              for (HashDataInput hashDataInput : signedRefs) {
-                String mimeType = hashDataInput.getMimeType();
-                String id = hashDataInput.getReferenceId();
-                File file;
-                if (f.isDirectory()) {
-                  String filename = messages.getString(SAVE_HASHDATAINPUT_PREFIX) + '_' + id + MimeFilter.getExtension(mimeType);
-                  file = new File(f, filename);
-                } else {
-                  file = f;
-                }
-                if (file.exists()) {
-                  String ovrwrt = messages.getString(MESSAGE_OVERWRITE);
-                  int overwrite = JOptionPane.showConfirmDialog(fileDialog, MessageFormat.format(ovrwrt, file), messages.getString(WINDOWTITLE_OVERWRITE), JOptionPane.OK_CANCEL_OPTION);
-                  if (overwrite != JOptionPane.OK_OPTION) {
-                    continue;
-                  }
-                }
-                if (log.isDebugEnabled()) {
-                    log.debug("Writing HashDataInput " + id + " (" + mimeType + ") to file " + file);
-                }
-                FileOutputStream fos = null;
-                try {
-                    fos = new FileOutputStream(file);
-                    BufferedOutputStream bos = new BufferedOutputStream(fos);
-                    InputStream hdi = hashDataInput.getHashDataInput();
-                    int b;
-                    while ((b = hdi.read()) != -1) {
-                        bos.write(b);
-                    }
-                    bos.flush();
-                    bos.close();
-                } catch (IOException ex) {
-                    log.error("Failed to write HashDataInput to file " + file + ": " + ex.getMessage());
-                    showErrorDialog(ERR_WRITE_HASHDATA, new Object[] {ex.getMessage()}, null, null);
-                    ex.printStackTrace();
-                } finally {
-                    try {
-                        fos.close();
-                    } catch (IOException ex) {
-                    }
-                }    
-              }  
-          }
-          log.debug("done saving hashdatainput");
-          okListener.actionPerformed(new ActionEvent(fileDialog, ActionEvent.ACTION_PERFORMED, okCommand));
-        }
-      });
-    }
-    
-//    private static String getText(HashDataInput hdi) throws IOException {
-//      ByteArrayOutputStream baos = null;
-//      try {
-//        InputStream hashDataIS = hdi.getHashDataInput();
-//        if (hashDataIS == null) {
-//          log.error("No HashDataInput stream for reference " + hdi.getReferenceId());
-//          return null;
-//        } else {
-//          baos = new ByteArrayOutputStream(hashDataIS.available());
-//          int c;
-//          while ((c = hashDataIS.read()) != -1) {
-//              baos.write(c);
-//          }
-//          String encoding = hdi.getEncoding();
-//          if (encoding == null) {
-//            //default for URL-encoded
-//            encoding = "UTF-8";
-//          }
-//          return baos.toString(encoding);
-//        }
-//      } catch (IOException ex) {
-//          log.error("Failed to read HashDataInput for reference " + hdi.getReferenceId() + ": " + ex.getMessage());
-//          throw ex; 
-//      } finally {
-//          try {
-//              baos.close();
-//          } catch (IOException ex) {
-//          }
-//      }
-//    }
-    
-    private void registerHelpListener(ActionListener helpListener) {
-      if (helpListener != null) {
-        this.helpListener = new HelpMouseListener(helpListener);
-      } else {
-        log.error("no help listener provided, will not be able to display help");
-        this.helpListener = new HelpMouseListener(new ActionListener() {
-
-          @Override
-          public void actionPerformed(ActionEvent e) {
-            log.error("no help listener registered (requested help topic: " + e.getActionCommand() + ")");
-          }
-        });
-      }
-    }
-}