private void sort(int column) {
    if (table.getItemCount() <= 1) return;

    TableItem[] items = table.getItems();
    String[][] data = new String[items.length][table.getColumnCount()];
    for (int i = 0; i < items.length; i++) {
      for (int j = 0; j < table.getColumnCount(); j++) {
        data[i][j] = items[i].getText(j);
      }
    }

    Arrays.sort(data, new RowComparator(column));

    if (lastSortColumn != column) {
      table.setSortColumn(table.getColumn(column));
      table.setSortDirection(SWT.DOWN);
      for (int i = 0; i < data.length; i++) {
        items[i].setText(data[i]);
      }
      lastSortColumn = column;
    } else {
      // reverse order if the current column is selected again
      table.setSortDirection(SWT.UP);
      int j = data.length - 1;
      for (int i = 0; i < data.length; i++) {
        items[i].setText(data[j--]);
      }
      lastSortColumn = -1;
    }
  }
  private void sort(int column) {
    if (table.getItemCount() <= 1) return;

    TableItem[] items = table.getItems();
    String[][] data = new String[items.length][table.getColumnCount()];
    for (int i = 0; i < items.length; i++) {
      for (int j = 0; j < table.getColumnCount(); j++) {
        data[i][j] = items[i].getText(j);
      }
    }

    Arrays.sort(data, new RowComparator(column));

    for (int i = 0; i < data.length; i++) {
      items[i].setText(data[i]);
    }
  }
  public JTable getTable(ArrayList list, Table element) throws InvalidTemplateException {
    int rows = element.getRowCount();
    int columns = element.getColumnCount();
    int[] widths = element.getColumnWidths();
    int size = element.getUserInputs().size();
    if (list.size() == 0) return new JTable();

    CustomProvisioningTable tableElement = new CustomProvisioningTable();
    JTable table = tableElement.getTable(list, rows, columns, widths);
    return table;
  }
 private void editEntry(TableItem item) {
   DataEntryDialog dialog = new DataEntryDialog(shell);
   dialog.setLabels(columnNames);
   String[] values = new String[table.getColumnCount()];
   for (int i = 0; i < values.length; i++) {
     values[i] = item.getText(i);
   }
   dialog.setValues(values);
   values = dialog.open();
   if (values != null) {
     item.setText(values);
     isModified = true;
   }
 }
  private boolean save() {
    if (file == null) return saveAs();

    Cursor waitCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    TableItem[] items = table.getItems();
    String[] lines = new String[items.length];
    for (int i = 0; i < items.length; i++) {
      String[] itemText = new String[table.getColumnCount()];
      for (int j = 0; j < itemText.length; j++) {
        itemText[j] = items[i].getText(j);
      }
      lines[i] = encodeLine(itemText);
    }

    FileWriter fileWriter = null;
    try {
      fileWriter = new FileWriter(file.getAbsolutePath(), false);
      for (int i = 0; i < lines.length; i++) {
        fileWriter.write(lines[i]);
      }
    } catch (FileNotFoundException e) {
      displayError(resMessages.getString("File_not_found") + "\n" + file.getName());
      return false;
    } catch (IOException e) {
      displayError(resMessages.getString("IO_error_write") + "\n" + file.getName());
      return false;
    } finally {
      shell.setCursor(null);
      waitCursor.dispose();

      if (fileWriter != null) {
        try {
          fileWriter.close();
        } catch (IOException e) {
          displayError(resMessages.getString("IO_error_close") + "\n" + file.getName());
          return false;
        }
      }
    }

    shell.setText(resMessages.getString("Title_bar") + file.getName());
    isModified = false;
    return true;
  }
  /** Converts an encoded <code>String</code> to a String array representing a table entry. */
  private String[] decodeLine(String line) {
    if (line == null) return null;

    String[] parsedLine = new String[table.getColumnCount()];
    for (int i = 0; i < parsedLine.length - 1; i++) {
      int index = line.indexOf(DELIMITER);
      if (index > -1) {
        parsedLine[i] = line.substring(0, index);
        line = line.substring(index + DELIMITER.length(), line.length());
      } else {
        return null;
      }
    }

    if (line.indexOf(DELIMITER) != -1) return null;

    parsedLine[parsedLine.length - 1] = line;

    return parsedLine;
  }
  private void openAddressBook() {
    FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);

    fileDialog.setFilterExtensions(new String[] {"*.adr;", "*.*"});
    fileDialog.setFilterNames(
        new String[] {
          resAddressBook.getString("Book_filter_name") + " (*.adr)",
          resAddressBook.getString("All_filter_name") + " (*.*)"
        });
    String name = fileDialog.open();

    if (name == null) return;
    File file = new File(name);
    if (!file.exists()) {
      displayError(
          resAddressBook.getString("File")
              + file.getName()
              + " "
              + resAddressBook.getString("Does_not_exist"));
      return;
    }

    Cursor waitCursor = shell.getDisplay().getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    FileReader fileReader = null;
    BufferedReader bufferedReader = null;
    String[] data = new String[0];
    try {
      fileReader = new FileReader(file.getAbsolutePath());
      bufferedReader = new BufferedReader(fileReader);
      String nextLine = bufferedReader.readLine();
      while (nextLine != null) {
        String[] newData = new String[data.length + 1];
        System.arraycopy(data, 0, newData, 0, data.length);
        newData[data.length] = nextLine;
        data = newData;
        nextLine = bufferedReader.readLine();
      }
    } catch (FileNotFoundException e) {
      displayError(resAddressBook.getString("File_not_found") + "\n" + file.getName());
      return;
    } catch (IOException e) {
      displayError(resAddressBook.getString("IO_error_read") + "\n" + file.getName());
      return;
    } finally {

      shell.setCursor(null);

      if (fileReader != null) {
        try {
          fileReader.close();
        } catch (IOException e) {
          displayError(resAddressBook.getString("IO_error_close") + "\n" + file.getName());
          return;
        }
      }
    }

    String[][] tableInfo = new String[data.length][table.getColumnCount()];
    int writeIndex = 0;
    for (int i = 0; i < data.length; i++) {
      String[] line = decodeLine(data[i]);
      if (line != null) tableInfo[writeIndex++] = line;
    }
    if (writeIndex != data.length) {
      String[][] result = new String[writeIndex][table.getColumnCount()];
      System.arraycopy(tableInfo, 0, result, 0, writeIndex);
      tableInfo = result;
    }
    Arrays.sort(tableInfo, new RowComparator(0));

    for (int i = 0; i < tableInfo.length; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(tableInfo[i]);
    }
    shell.setText(resAddressBook.getString("Title_bar") + fileDialog.getFileName());
    isModified = false;
    this.file = file;
  }
  private void openAddressBook(String name) {
    if (name == null) return;
    File file = new File(name);
    if (!file.exists()) {
      displayError(
          resMessages.getString("File")
              + file.getName()
              + " "
              + resMessages.getString("Does_not_exist"));
      return;
    }

    Cursor waitCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);

    FileReader fileReader = null;
    BufferedReader bufferedReader = null;
    String[] data = new String[0];
    try {
      fileReader = new FileReader(file.getAbsolutePath());
      bufferedReader = new BufferedReader(fileReader);
      String nextLine = bufferedReader.readLine();
      while (nextLine != null) {
        String[] newData = new String[data.length + 1];
        System.arraycopy(data, 0, newData, 0, data.length);
        newData[data.length] = nextLine;
        data = newData;
        nextLine = bufferedReader.readLine();
      }
    } catch (FileNotFoundException e) {
      displayError(resMessages.getString("File_not_found") + "\n" + file.getName());
      return;
    } catch (IOException e) {
      displayError(resMessages.getString("IO_error_read") + "\n" + file.getName());
      return;
    } finally {

      shell.setCursor(null);
      waitCursor.dispose();

      if (fileReader != null) {
        try {
          fileReader.close();
        } catch (IOException e) {
          displayError(resMessages.getString("IO_error_close") + "\n" + file.getName());
          return;
        }
      }
    }

    String[][] tableInfo = new String[data.length][table.getColumnCount()];
    for (int i = 0; i < data.length; i++) {
      tableInfo[i] = decodeLine(data[i]);
    }

    Arrays.sort(tableInfo, new RowComparator(0));

    for (int i = 0; i < tableInfo.length; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(tableInfo[i]);
    }
    shell.setText(resMessages.getString("Title_bar") + file.getName());
    isModified = false;
    this.file = file;
  }