csvexportdialog.java

Java的Web报表库

/**
 * ========================================
 * JFreeReport : a free Java report library
 * ========================================
 *
 * Project Info:  http://www.jfree.org/jfreereport/index.html
 * Project Lead:  Thomas Morgner;
 *
 * (C) Copyright 2000-2003, by Simba Management Limited and Contributors.
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * --------------------
 * CSVExportDialog.java
 * --------------------
 * (C)opyright 2003, by Thomas Morgner and Contributors.
 *
 * Original Author:  Thomas Morgner;
 * Contributor(s):   David Gilbert (for Simba Management Limited);
 *
 * $Id: CSVExportDialog.java,v 1.15.2.2 2003/08/24 14:18:11 taqua Exp $
 *
 * Changes
 * --------
 * 25-Feb-2003 : Added standard header and Javadocs (DG);
 *
 */
package com.jrefinery.report.preview;

import java.awt.Dialog;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.border.TitledBorder;

import com.jrefinery.report.JFreeReport;
import com.jrefinery.report.targets.csv.CSVProcessor;
import com.jrefinery.report.targets.table.csv.CSVTableProcessor;
import com.jrefinery.report.util.ActionButton;
import com.jrefinery.report.util.ExceptionDialog;
import com.jrefinery.report.util.LengthLimitingDocument;
import com.jrefinery.report.util.ReportConfiguration;
import com.jrefinery.report.util.StringUtil;
import org.jfree.ui.ExtensionFileFilter;

/**
 * A dialog for exporting a report to CSV format.
 *
 * @author Thomas Morgner.
 */
public class CSVExportDialog extends JDialog
{
  /**
   * Internal action class to confirm the dialog and to validate the input.
   */
  private class ActionConfirm extends AbstractAction
  {
    /**
     * Default constructor.
     */
    public ActionConfirm()
    {
      putValue(Action.NAME, getResources().getString("csvexportdialog.confirm"));
    }

    /**
     * Receives notification that the action has occurred.
     *
     * @param e  the action event.
     */
    public void actionPerformed(final ActionEvent e)
    {
      if (performValidate())
      {
        setConfirmed(true);
        setVisible(false);
      }
    }
  }

  /**
   * Internal action class to confirm the dialog and to validate the input.
   */
  private class ActionSelectSeparator extends AbstractAction
  {
    /**
     * Default constructor.
     */
    public ActionSelectSeparator()
    {
    }

    /**
     * Receives notification that the action has occurred.
     *
     * @param e  the action event.
     */
    public void actionPerformed(final ActionEvent e)
    {
      performSeparatorSelection();
    }
  }

  /**
   * Internal action class to cancel the report processing.
   */
  private class ActionCancel extends AbstractAction
  {
    /**
     * Default constructor.
     */
    public ActionCancel()
    {
      putValue(Action.NAME, getResources().getString("csvexportdialog.cancel"));
    }

    /**
     * Receives notification that the action has occurred.
     *
     * @param e  the action event.
     */
    public void actionPerformed(final ActionEvent e)
    {
      setConfirmed(false);
      setVisible(false);
    }
  }

  /**
   * Internal action class to select a target file.
   */
  private class ActionSelectFile extends AbstractAction
  {
    /**
     * Default constructor.
     */
    public ActionSelectFile()
    {
      putValue(Action.NAME, getResources().getString("csvexportdialog.selectFile"));
    }

    /**
     * Receives notification that the action has occurred.
     *
     * @param e  the action event.
     */
    public void actionPerformed(final ActionEvent e)
    {
      performSelectFile();
    }
  }

  /** Filename text field. */
  private JTextField txFilename;

  /** The encoding combo-box. */
  private JComboBox cbEncoding;

  /** The encoding model. */
  private EncodingComboBoxModel encodingModel;

  /** The strict layout check-box. */
  private JCheckBox cbxStrictLayout;

  /** A radio button for tab separators. */
  private JRadioButton rbSeparatorTab;

  /** A radio button for colon separators. */
  private JRadioButton rbSeparatorColon;

  /** A radio button for semi-colon separators. */
  private JRadioButton rbSeparatorSemicolon;

  /** A radio button for other separators. */
  private JRadioButton rbSeparatorOther;

  /** A text field for the 'other' separator. */
  private JTextField txSeparatorOther;

  /** A radio button for exporting data only. */
  private JRadioButton rbExportData;

  /** A radio button for exporting all printed elements. */
  private JRadioButton rbExportPrintedElements;

  /** A file chooser. */
  private JFileChooser fileChooser;

  /** Confirmed flag. */
  private boolean confirmed;

  /** Localised resources. */
  private ResourceBundle resources;

  /** The base resource class. */
  public static final String BASE_RESOURCE_CLASS =
      "com.jrefinery.report.resources.JFreeReportResources";

  /**
   * Creates a new CSV export dialog.
   *
   * @param owner  the dialog owner.
   */
  public CSVExportDialog(final Frame owner)
  {
    super(owner);
    initConstructor();
  }

  /**
   * Creates a new CSV export dialog.
   *
   * @param owner  the dialog owner.
   */
  public CSVExportDialog(final Dialog owner)
  {
    super(owner);
    initConstructor();
  }

  /**
   * Creates a new CSV export dialog.  The created dialog is modal.
   */
  public CSVExportDialog()
  {
    initConstructor();
  }

  /**
   * Initialisation.
   */
  private void initConstructor()
  {
    setModal(true);
    setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
    setTitle(getResources().getString("csvexportdialog.dialogtitle"));
    initialize();
    clear();

    addWindowListener(new WindowAdapter()
    {
      public void windowClosing(final WindowEvent e)
      {
        new ActionCancel().actionPerformed(null);
      }
    }
    );
  }

  /**
   * Retrieves the resources for this dialog. If the resources are not initialized,
   * they get loaded on the first call to this method.
   *
   * @return this frames ResourceBundle.
   */
  protected ResourceBundle getResources()
  {
    if (resources == null)
    {
      resources = ResourceBundle.getBundle(BASE_RESOURCE_CLASS);
    }
    return resources;
  }

  /**
   * Initializes the Swing components of this dialog.
   */
  private void initialize()
  {
    final JPanel contentPane = new JPanel();
    contentPane.setLayout(new GridBagLayout());
    contentPane.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));

    final JLabel lblFileName = new JLabel(getResources().getString("csvexportdialog.filename"));
    final JLabel lblEncoding = new JLabel(getResources().getString("csvexportdialog.encoding"));
    final JButton btnSelect = new ActionButton(new ActionSelectFile());
    cbxStrictLayout = new JCheckBox(getResources().getString("csvexportdialog.strict-layout"));

    txFilename = new JTextField();
    encodingModel = EncodingComboBoxModel.createDefaultModel();
    encodingModel.sort();
    cbEncoding = new JComboBox(encodingModel);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.anchor = GridBagConstraints.WEST;
    gbc.insets = new Insets(3, 1, 1, 1);
    contentPane.add(lblFileName, gbc);

    gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.gridx = 0;
    gbc.gridy = 1;
    gbc.insets = new Insets(1, 1, 1, 1);
    contentPane.add(lblEncoding, gbc);

    gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.gridx = 1;
    gbc.gridy = 0;
    gbc.ipadx = 120;
    gbc.gridwidth = 2;
    gbc.insets = new Insets(3, 1, 1, 1);
    contentPane.add(txFilename, gbc);

    gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 0;
    gbc.gridx = 1;
    gbc.gridy = 1;
    gbc.gridwidth = 2;
    gbc.insets = new Insets(1, 1, 1, 1);
    contentPane.add(cbEncoding, gbc);

    gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 0;
    gbc.gridx = 1;
    gbc.gridy = 2;
    gbc.gridwidth = 2;
    gbc.insets = new Insets(1, 1, 1, 1);
    contentPane.add(cbxStrictLayout, gbc);

    final JPanel p = new JPanel(new GridLayout());
    p.add(createSeparatorPanel());
    p.add(createExportTypePanel());

    gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.BOTH;
    gbc.weighty = 1;
    gbc.weightx = 1;
    gbc.gridx = 1;
    gbc.gridy = 3;
    gbc.gridwidth = 2;
    gbc.insets = new Insets(10, 1, 1, 1);
    contentPane.add(p, gbc);

    gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.NORTHWEST;
    gbc.gridx = 3;
    gbc.gridy = 0;
    gbc.gridheight = 2;
    contentPane.add(btnSelect, gbc);

    // button panel
    final JButton btnCancel = new ActionButton(new ActionCancel());
    final JButton btnConfirm = new ActionButton(new ActionConfirm());
    final JPanel buttonPanel = new JPanel();
    buttonPanel.setLayout(new GridLayout());
    buttonPanel.add(btnConfirm);
    buttonPanel.add(btnCancel);
    btnConfirm.setDefaultCapable(true);
    buttonPanel.registerKeyboardAction(new ActionConfirm(),
        KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0),
        JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
    gbc = new GridBagConstraints();
    gbc.fill = GridBagConstraints.NONE;
    gbc.weightx = 1;
    gbc.gridx = 0;
    gbc.gridwidth = 4;
    gbc.gridy = 6;
    gbc.insets = new Insets(10, 0, 0, 0);
    contentPane.add(buttonPanel, gbc);
    setContentPane(contentPane);
  }

  /**
   * Creates a panel for the export type.
   *
   * @return The panel.
   */
  private JPanel createExportTypePanel()
  {
    // separator panel
    final JPanel exportTypePanel = new JPanel();
    exportTypePanel.setLayout(new GridBagLayout());

    final TitledBorder tb = new TitledBorder(getResources().getString("csvexportdialog.exporttype"));
    exportTypePanel.setBorder(tb);

    rbExportData = new JRadioButton(getResources().getString("csvexportdialog.export.data"));
    rbExportPrintedElements = new JRadioButton(
        getResources().getString("csvexportdialog.export.printed_elements"));

    final ButtonGroup btg = new ButtonGroup();
    btg.add(rbExportData);
    btg.add(rbExportPrintedElements);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.NORTHWEST;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.insets = new Insets(1, 1, 1, 1);
    exportTypePanel.add(rbExportData, gbc);

    gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.NORTHWEST;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.gridx = 0;
    gbc.gridy = 1;
    gbc.weighty = 1; 
    gbc.insets = new Insets(1, 1, 1, 1);
    exportTypePanel.add(rbExportPrintedElements, gbc);

    return exportTypePanel;
  }

  /**
   * Creates a separator panel.
   *
   * @return The panel.
   */
  private JPanel createSeparatorPanel()
  {
    // separator panel
    final JPanel separatorPanel = new JPanel();
    separatorPanel.setLayout(new GridBagLayout());

    final TitledBorder tb = new TitledBorder(getResources().getString("csvexportdialog.separatorchar"));
    separatorPanel.setBorder(tb);

    rbSeparatorTab = new JRadioButton(getResources().getString("csvexportdialog.separator.tab"));
    rbSeparatorColon = new JRadioButton(
        getResources().getString("csvexportdialog.separator.colon"));
    rbSeparatorSemicolon = new JRadioButton(
        getResources().getString("csvexportdialog.separator.semicolon"));
    rbSeparatorOther = new JRadioButton(
        getResources().getString("csvexportdialog.separator.other"));

    final ButtonGroup btg = new ButtonGroup();
    btg.add(rbSeparatorTab);
    btg.add(rbSeparatorColon);
    btg.add(rbSeparatorSemicolon);
    btg.add(rbSeparatorOther);

    final Action selectAction = new ActionSelectSeparator();
    rbSeparatorTab.addActionListener(selectAction);
    rbSeparatorColon.addActionListener(selectAction);
    rbSeparatorSemicolon.addActionListener(selectAction);
    rbSeparatorOther.addActionListener(selectAction);

    final LengthLimitingDocument ldoc = new LengthLimitingDocument(1);
    txSeparatorOther = new JTextField();
    txSeparatorOther.setDocument(ldoc);

    GridBagConstraints gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.gridx = 0;
    gbc.gridy = 0;
    gbc.insets = new Insets(1, 1, 1, 1);
    separatorPanel.add(rbSeparatorTab, gbc);

    gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.gridx = 0;
    gbc.gridy = 1;
    gbc.insets = new Insets(1, 1, 1, 1);
    separatorPanel.add(rbSeparatorColon, gbc);

    gbc = new GridBagConstraints();
    gbc.anchor = GridBagConstraints.WEST;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.weightx = 1;
    gbc.gridx = 0;
    gbc.gridy = 2;
    gbc.insets = new Insets(1, 1, 1, 1);
    separatorPanel.add(rbSeparatorSemicolon, gbc);

    final JPanel otherPanel = new JPanel();
    otherPanel.setLayout(new GridBagLayout());