source: gli/trunk/src/org/greenstone/gatherer/gui/ExportAsPrompt.java@ 20952

/**
 *#########################################################################
 *
 * A component of the Gatherer application, part of the Greenstone digital
 * library suite from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * <BR><BR>
 *
 * Author: John Thompson, Greenstone Digital Library, University of Waikato
 *
 * <BR><BR>
 *
 * Copyright (C) 1999 New Zealand Digital Library Project
 *
 * <BR><BR>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * <BR><BR>
 *
 * This program 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 General Public License for more details.
 *
 * <BR><BR>
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *########################################################################
 */
package org.greenstone.gatherer.gui;

import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.ArrayList;
import java.util.HashMap;
import javax.swing.*;
import javax.swing.event.*;

import org.greenstone.gatherer.Configuration;
import org.greenstone.gatherer.DebugStream;
import org.greenstone.gatherer.Dictionary;
import org.greenstone.gatherer.Gatherer;
import org.greenstone.gatherer.collection.BasicCollectionConfiguration;
import org.greenstone.gatherer.greenstone.LocalGreenstone;
import org.greenstone.gatherer.shell.GShell;
import org.greenstone.gatherer.shell.GShellEvent;
import org.greenstone.gatherer.shell.GShellListener;
import org.greenstone.gatherer.shell.GDefaultProgressMonitor;
import org.greenstone.gatherer.util.ArrayTools;
import org.greenstone.gatherer.util.CheckList;
import org.greenstone.gatherer.util.CheckListEntry;
import org.greenstone.gatherer.util.StaticStrings;
import org.greenstone.gatherer.util.Utility;

/** This class provides the functionality to export a set of current
 * collections from the GSDLHOME/collect/ directory to various formats
 * (hence ExportAs) using export.pl. The user chooses the collection from a
 * list, where each entry also displays details about itself, confirms the
 * delete of a collection by checking a checkbox then presses the ok button
 * to actually delete the collection.  
 * Copied from WriteCDImagePrompt
 * @author John Thompson, Greenstone Digital Library, University of Waikato
 * @version 2.3
 */
public class ExportAsPrompt
    extends ModalDialog 
    implements GShellListener {

    static final private Dimension LABEL_SIZE = new Dimension(120, 25);
    
    private OKButtonListener ok_button_listener;

    private JLabel saveas_label = null;
    private JComboBox saveas_combobox = null;

    private ArrayList all_collections = null;
    private BasicCollectionConfiguration selected_collection = null;
  /** The list of collections to export */
    private JList list = null;
    /** The currently selected collection for deletion. */
    private BasicCollectionConfiguration collection = null;
    /** A reference to ourself so any inner-classes can dispose of us. */
    private ExportAsPrompt prompt = null;
    /** The close button, which exits the prompt without deleting anything. */
    private JButton cancel_button = null;
    /** The ok button which causes the selected collection to be deleted. */
    private JButton ok_button = null;
    /** The label above details. */
    private JLabel details_label = null;
    /** The label above the list. */
    private JLabel list_label = null;
    /** The text area used to display details about the collection selected. */
    private JTextArea details_textarea = null;
    /** The text area used to display instructions for the cd-rom/dvd export */
    private JTextArea instructions_textarea;
    /** A string array used to pass arguments to the phrase retrieval method. */
    private JTextField title_field = null;
    private JLabel title_label = null;
    private String args[] = null;
    private String cd_title = null;
    /** whether the exporting was successful or not */
    private boolean successful = false;
    /** whether we are trying to export or not */
    private boolean exporting = false;
    /** the error message if any */
    private StringBuffer error_message = null;
    /** The size of the export prompt screen. */
    public static final Dimension SIZE = new Dimension(500, 540);  
    private GDefaultProgressMonitor progress_monitor;    

    private JButton convert_xml_button1 = null;
    private JButton convert_xml_button2 = null;
    private JButton convert_xml_button3 = null;
    private JButton folder_button = null;

    private JPanel instructions_pane = null;
    
    private JPanel convert_xml_pane1 = null;
    private JPanel convert_xml_pane2 = null;
    private JPanel mapping_xml_pane = null;

    private JCheckBox convert_xml_checkbox1 = null; 
    private JCheckBox convert_xml_checkbox2 = null;
    private JCheckBox mapping_xml_checkbox = null;
    
    private JCheckBox output_single_checkbox = null;  

    private JTextField convert_xml_field1 = null;
    private JTextField convert_xml_field2 = null;
    private JTextField mapping_xml_field = null;


    private File xsl_file1 = null;
    private File xsl_file2 = null;
    private File mapping_file = null;

    private JPanel convert_xml_pane = null; 

    private HashMap plugoutMap = new HashMap();
  

    /** Constructor.
     * @see org.greenstone.gatherer.collection.ExportAsPrompt.CancelButtonListener
     * @see org.greenstone.gatherer.collection.ExportAsPrompt.CollectionListListener
     * @see org.greenstone.gatherer.collection.ExportAsPrompt.OKButtonListener
     */
    public ExportAsPrompt() {
    super(Gatherer.g_man, true);
    this.setComponentOrientation(Dictionary.getOrientation());
    plugoutMap.clear();         
    plugoutMap.put("DSpace","dublin-core.xml");
        plugoutMap.put("MARCXML","doc.xml");   
    plugoutMap.put("GreenstoneMETS","doctxt.xml,docmets.xml");     
    plugoutMap.put("FedoraMETS","doctxt.xml,docmets.xml");     

    // this is the order we want them to appear in the list
    String [] saveas_formats = {"GreenstoneMETS", "FedoraMETS", "MARCXML", "DSpace"};
        cancel_button = new GLIButton(Dictionary.get("General.Close"), Dictionary.get("General.Close_Tooltip"));
    
    details_textarea = new JTextArea(Dictionary.get("DeleteCollectionPrompt.No_Collection"));
    details_textarea.setEditable(false);
    details_textarea.setComponentOrientation(Dictionary.getOrientation());
        
    details_label = new JLabel(Dictionary.get("DeleteCollectionPrompt.Collection_Details"));
    details_label.setComponentOrientation(Dictionary.getOrientation());

    instructions_textarea = new JTextArea(Dictionary.get("ExportAsPrompt.Instructions"));
    instructions_textarea.setCaretPosition(0);
    instructions_textarea.setEditable(false);
    instructions_textarea.setLineWrap(true);
    instructions_textarea.setRows(4);
    instructions_textarea.setWrapStyleWord(true);
    instructions_textarea.setComponentOrientation(Dictionary.getOrientation());
             
       
        saveas_label = new JLabel(Dictionary.get("ExportAsPrompt.SaveAs"));
        saveas_label.setComponentOrientation(Dictionary.getOrientation());
        //saveas_label.setPreferredSize(LABEL_SIZE);
        
    saveas_combobox = new JComboBox(saveas_formats);
    saveas_combobox.setOpaque(false);
    saveas_combobox.setToolTipText(Dictionary.get("ExportAsPrompt.SaveAs_Tooltip"));
        saveas_combobox.setComponentOrientation(Dictionary.getOrientation());

    // Add xml conversion feature
    convert_xml_button1 = new GLIButton(Dictionary.get("ExportAsPrompt.Browse"),Dictionary.get("ExportAsPrompt.Browse_Tooltip"));
    convert_xml_button1.setEnabled(false);

    convert_xml_button2 = new GLIButton(Dictionary.get("ExportAsPrompt.Browse"),Dictionary.get("ExportAsPrompt.Browse_Tooltip"));
    convert_xml_button2.setEnabled(false);
    
    convert_xml_button3 = new GLIButton(Dictionary.get("ExportAsPrompt.Browse"),Dictionary.get("ExportAsPrompt.Browse_Tooltip"));
    convert_xml_button3.setEnabled(false);

    convert_xml_checkbox1 = new JCheckBox();
        convert_xml_checkbox1.setText(Dictionary.get("ExportAsPrompt.ApplyXSL","doc.xml"));
        convert_xml_checkbox1.setToolTipText(Dictionary.get("ExportAsPrompt.ApplyXSL_Tooltip"));
        convert_xml_checkbox1.setComponentOrientation(Dictionary.getOrientation());
        
    convert_xml_checkbox2 = new JCheckBox();
        convert_xml_checkbox2.setToolTipText(Dictionary.get("ExportAsPrompt.ApplyXSL_Tooltip"));
        convert_xml_checkbox2.setComponentOrientation(Dictionary.getOrientation());
        
        output_single_checkbox = new JCheckBox();
        output_single_checkbox.setComponentOrientation(Dictionary.getOrientation());
    output_single_checkbox.setText(Dictionary.get("ExportAsPrompt.MARCXMLGroup"));
        output_single_checkbox.setToolTipText(Dictionary.get("ExportAsPrompt.MARCXMLGroup_Tooltip"));


        mapping_xml_checkbox = new JCheckBox();
        mapping_xml_checkbox.setComponentOrientation(Dictionary.getOrientation());
    mapping_xml_checkbox.setText(Dictionary.get("ExportAsPrompt.MappingXML"));
        mapping_xml_checkbox.setToolTipText(Dictionary.get("ExportAsPrompt.MappingXML_Tooltip"));

        convert_xml_field1 = new JTextField();
        convert_xml_field1.setComponentOrientation(Dictionary.getOrientation());
    convert_xml_field1.setEnabled(false);

    convert_xml_field2 = new JTextField();
        convert_xml_field2.setComponentOrientation(Dictionary.getOrientation());
    convert_xml_field2.setEnabled(false);

    mapping_xml_field = new JTextField();
        mapping_xml_field.setComponentOrientation(Dictionary.getOrientation());
    mapping_xml_field.setEnabled(false);

        convert_xml_pane1 = new JPanel(new BorderLayout());
    convert_xml_pane1.setComponentOrientation(Dictionary.getOrientation());                
        
    convert_xml_pane2 = new JPanel(new BorderLayout());
        convert_xml_pane2.setComponentOrientation(Dictionary.getOrientation());
        
    mapping_xml_pane = new JPanel(new BorderLayout());
        mapping_xml_pane.setComponentOrientation(Dictionary.getOrientation());
        
    convert_xml_pane = new JPanel(new GridLayout(3,1));
        convert_xml_pane.setComponentOrientation(Dictionary.getOrientation());
        
    all_collections = new ArrayList();
    //list = new CheckList(true);
    list = new JList(getCollectionListModel());
    list.setComponentOrientation(Dictionary.getOrientation());
    list_label = new JLabel(Dictionary.get("DeleteCollectionPrompt.Collection_List"));
    list_label.setComponentOrientation(Dictionary.getOrientation());
        
    ok_button = new GLIButton(Dictionary.get("ExportAsPrompt.Export"), Dictionary.get("ExportAsPrompt.Export_Tooltip"));
    
    title_field = new JTextField();
        title_field.setComponentOrientation(Dictionary.getOrientation());
    title_field.setToolTipText(Dictionary.get("ExportAsPrompt.Export_Name_Tooltip"));
    title_label = new JLabel(Dictionary.get("ExportAsPrompt.Export_Name"));
        title_label.setComponentOrientation(Dictionary.getOrientation());
        
        folder_button = new GLIButton(Dictionary.get("ExportAsPrompt.Browse"),Dictionary.get("ExportAsPrompt.Browse_Tooltip"));
    folder_button.addActionListener(new FolderButtonListener());
   
       
    prompt = this;
    setSize(SIZE);
    setTitle(Dictionary.get("ExportAsPrompt.Title"));

    setJMenuBar(new SimpleMenuBar("exporting")); 
    cancel_button.addActionListener(new CancelButtonListener());
    list.addListSelectionListener(new CollectionListListener());
    list.clearSelection();
    list.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    ok_button_listener = new OKButtonListener();
    ok_button.addActionListener(ok_button_listener);
    ok_button.setEnabled(false);
    //title.getDocument().addDocumentListener(new DocumentListener());

        convert_xml_button1.addActionListener(new ConvertXMLButtonListener());
    convert_xml_checkbox1.addActionListener(new ConvertXMLCheckboxListener());
    mapping_xml_checkbox.addActionListener(new ConvertXMLCheckboxListener());
    convert_xml_button3.addActionListener(new ConvertXMLButtonListener());
   
    convert_xml_button2.addActionListener(new ConvertXMLButtonListener());
    convert_xml_checkbox2.addActionListener(new ConvertXMLCheckboxListener());

        saveas_combobox.addActionListener(new SaveasListener());        

    }

    /** Destructor. */
    public void destroy() {
        saveas_label = null;
    saveas_combobox = null;
    all_collections.clear();
    all_collections = null;
    cancel_button = null;
    details_textarea = null;
    details_label = null;
    list = null;
    ok_button = null;
    prompt = null;
    selected_collection = null;
    title_field = null;
    title_label = null;
    }

    /** This method causes the modal prompt to be displayed. 
     * returns true if it has exported the collections that are currently selected */
    public boolean display() {
        JScrollPane scrol_tmp;
    // Top pane
    instructions_pane = new JPanel(new BorderLayout());
        instructions_pane.setComponentOrientation(Dictionary.getOrientation());
        instructions_pane.setBorder(BorderFactory.createEmptyBorder(0,0,5,5));
        scrol_tmp = new JScrollPane(instructions_textarea);
        scrol_tmp.setComponentOrientation(Dictionary.getOrientation());
        instructions_pane.add(scrol_tmp, BorderLayout.CENTER);
    
    title_label.setBorder(BorderFactory.createEmptyBorder(0,5,0,15));

    JPanel title_pane = new JPanel(new BorderLayout());
        title_pane.setComponentOrientation(Dictionary.getOrientation());
    title_pane.add(title_label, BorderLayout.LINE_START);
    title_pane.add(title_field, BorderLayout.CENTER);
        title_pane.add(folder_button, BorderLayout.LINE_END);
        //apply xsl pane
          
    convert_xml_pane1.removeAll();
        convert_xml_pane2.removeAll();
    mapping_xml_pane.removeAll();
    convert_xml_pane.removeAll();

    convert_xml_pane1.add(convert_xml_checkbox1, BorderLayout.LINE_START);
    convert_xml_pane1.add(convert_xml_field1, BorderLayout.CENTER);
    convert_xml_pane1.add(convert_xml_button1, BorderLayout.LINE_END);

    convert_xml_pane2.add(convert_xml_checkbox2, BorderLayout.LINE_START);
    convert_xml_pane2.add(convert_xml_field2, BorderLayout.CENTER);
    convert_xml_pane2.add(convert_xml_button2, BorderLayout.LINE_END);
      
    mapping_xml_pane.add(mapping_xml_checkbox, BorderLayout.LINE_START);
    mapping_xml_pane.add(mapping_xml_field, BorderLayout.CENTER);
    mapping_xml_pane.add(convert_xml_button3, BorderLayout.LINE_END);

    convert_xml_pane.add(convert_xml_pane1);
        
        String saveas = (String)saveas_combobox.getSelectedItem();
    // force the updating of which fields we are displaying
    saveas_combobox.setSelectedIndex(0);

        // Save as pane
    JPanel saveas_pane = new JPanel(new BorderLayout());
        saveas_pane.setComponentOrientation(Dictionary.getOrientation());
    saveas_label.setBorder(BorderFactory.createEmptyBorder(0,5,0,15));
    saveas_pane.add(saveas_label, BorderLayout.LINE_START);
    saveas_pane.add(saveas_combobox, BorderLayout.CENTER);

        JPanel tmp_pane = new JPanel(new BorderLayout());
        tmp_pane.setComponentOrientation(Dictionary.getOrientation());
        tmp_pane.add(saveas_pane, BorderLayout.NORTH);
    tmp_pane.add(title_pane, BorderLayout.CENTER);

    instructions_pane.add(tmp_pane, BorderLayout.NORTH);          

    instructions_pane.add(convert_xml_pane, BorderLayout.CENTER);

    // Central pane
    JPanel list_pane = new JPanel(new BorderLayout());
        list_pane.setComponentOrientation(Dictionary.getOrientation());
    list_pane.add(list_label, BorderLayout.NORTH);
        scrol_tmp = new JScrollPane(list);
        scrol_tmp.setComponentOrientation(Dictionary.getOrientation());
    list_pane.add(scrol_tmp, BorderLayout.CENTER);
    list_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 5, 0));

    JPanel details_pane = new JPanel(new BorderLayout());
        details_pane.setComponentOrientation(Dictionary.getOrientation());
    details_pane.add(details_label, BorderLayout.NORTH);
        scrol_tmp = new JScrollPane(details_textarea);
        scrol_tmp.setComponentOrientation(Dictionary.getOrientation());
    details_pane.add(scrol_tmp, BorderLayout.CENTER);
    details_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

    JPanel central_pane = new JPanel(new GridLayout(2, 1));
        central_pane.setComponentOrientation(Dictionary.getOrientation());
    central_pane.add(list_pane);
    central_pane.add(details_pane);
    central_pane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

    // Lower pane
    JPanel button_pane = new JPanel(new GridLayout(1, 2));
        button_pane.setComponentOrientation(Dictionary.getOrientation());
    button_pane.add(ok_button);
    button_pane.add(cancel_button);
    button_pane.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

    JPanel lower_pane = new JPanel(new BorderLayout());
        lower_pane.setComponentOrientation(Dictionary.getOrientation());
    lower_pane.add(button_pane, BorderLayout.SOUTH);
    lower_pane.setBorder(BorderFactory.createEmptyBorder(0, 5, 5, 5));

    // Final.
    JPanel content_pane = (JPanel)this.getContentPane();
        content_pane.setComponentOrientation(Dictionary.getOrientation());
    content_pane.setLayout(new BorderLayout());
    content_pane.add(instructions_pane, BorderLayout.NORTH);
    content_pane.add(central_pane, BorderLayout.CENTER);
    content_pane.add(lower_pane, BorderLayout.SOUTH);

    // Center and display.
    Dimension screen_size = Configuration.screen_size;
    this.setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
    this.setVisible(true); // blocks until the dialog is killed
    return true;
    
    }

    
    /** This method calls the builcol.pl scripts via a GShell so as to not lock up the processor.
     * @see org.greenstone.gatherer.Configuration
     * @see org.greenstone.gatherer.Gatherer
     * @see org.greenstone.gatherer.collection.Collection
     * @see org.greenstone.gatherer.gui.BuildOptions
     * @see org.greenstone.gatherer.shell.GShell
     * @see org.greenstone.gatherer.shell.GShellListener
     * @see org.greenstone.gatherer.shell.GShellProgressMonitor
     * @see org.greenstone.gatherer.util.Utility
     */
    public void exportAsCollections() {
    DebugStream.println("ExportAsPrompt.exportAsCollections()");

    if (selected_collection == null) return;

    cd_title = title_field.getText();

    String export_type = (String) saveas_combobox.getSelectedItem();
      
    // Generate the export.pl command
    ArrayList command_parts_list = new ArrayList();
    if (!Gatherer.isGsdlRemote) {
        command_parts_list.add(Configuration.perl_path);
        command_parts_list.add("-S");
    }
    command_parts_list.add(LocalGreenstone.getBinScriptDirectoryPath() + "export.pl");
    command_parts_list.add("-gli");
    command_parts_list.add("-language");
    command_parts_list.add(Configuration.getLanguage());
    command_parts_list.add("-removeold");
    command_parts_list.add("-saveas");
    command_parts_list.add(export_type);
    command_parts_list.add("-exportdir");
    String export_dir = LocalGreenstone.getTmpDirectoryPath();
        if (cd_title.equals("")) {
            export_dir += "exported_" + export_type;
    }
    else {
        File cd_file = new File(cd_title);
            if (cd_file.isAbsolute())
        export_dir = cd_title + File.separator + "exported_" + export_type;
        else{
                cd_title = cd_title.replaceAll("\\s+","");
                cd_title = cd_title.replaceAll("\\\\+","/");
                cd_title = cd_title.replaceAll("/+","/");
                export_dir +=cd_title;
        }
    }

        command_parts_list.add(export_dir);

        if (!export_type.endsWith("METS") && xsl_file1 !=null){
             command_parts_list.add("-xsltfile");
             command_parts_list.add(xsl_file1.getPath()); 
    }

    //add command specific to MARCXML 
    if (export_type.equals("MARCXML")){
        //add default transformation file
        if (xsl_file1 == null){
        command_parts_list.add("-xsltfile");    
        command_parts_list.add(Configuration.gsdl_path+"etc"+File.separator+"dc2marc.xsl");
        }  

        command_parts_list.add("-mapping_file");
        //default mapping file
        if (mapping_file == null){
        command_parts_list.add(Configuration.gsdl_path+"etc"+File.separator+"dc2marc-mapping.xml");
        }
        else{
        command_parts_list.add(mapping_file.getPath()); 
        }

        if (output_single_checkbox.isSelected()){
        command_parts_list.add("-group_marc");
        }

    }

            
        if (export_type.endsWith("METS") && xsl_file1 !=null){
             command_parts_list.add("-xslt_txt");
             command_parts_list.add(xsl_file1.getPath()); 
    }

         if (export_type.endsWith("METS") && xsl_file2 !=null){
             command_parts_list.add("-xslt_mets");
             command_parts_list.add(xsl_file2.getPath()); 
    }
       
     command_parts_list.add( selected_collection.getShortName());
     

    DebugStream.print("export command = ");
    for (int i = 0; i < command_parts_list.size(); i++) {
        DebugStream.print(command_parts_list.get(i) + " ");
        //System.err.print(command_parts_list.get(i) + " ");          
    }
    DebugStream.println("");

    // Run the export.pl command
    String[] command_parts = (String[]) command_parts_list.toArray(new String[0]);

        progress_monitor = new  GDefaultProgressMonitor();

    GShell process = new GShell(command_parts, GShell.EXPORTAS, 3, this,progress_monitor , GShell.GSHELL_EXPORTAS);
    process.start();
    //process.run();
    DebugStream.println("ExportAsPrompt.exportAsCollections().return");
    
    }


    public void cancelExporting(){
    progress_monitor.setStop(true);           
    }


    /** Shows an export complete prompt. 
     * @param success A <strong>boolean</strong> indicating if the collection was successfully deleted.
     * @see org.greenstone.gatherer.collection.Collection
     */
    public void resultPrompt(boolean success, String extra) {
    args = new String[2];
    
    // coll name
    args[0] = selected_collection.getName() + StaticStrings.SPACE_CHARACTER + StaticStrings.OPEN_PARENTHESIS_CHARACTER + selected_collection.getShortName() + StaticStrings.CLOSE_PARENTHESIS_CHARACTER;
    
    String export_type = (String) saveas_combobox.getSelectedItem();       
        args[1] = LocalGreenstone.getTmpDirectoryPath();
        if (cd_title.equals("")) {
           args[1] += "exported_" + export_type;
    }
    else {
        File cd_file = new File(cd_title);
            if (cd_file.isAbsolute())
        args[1] = cd_title + File.separator + "exported_" + export_type;
        else{
                cd_title = cd_title.replaceAll("\\s+","");
                cd_title = cd_title.replaceAll("\\\\+","/");
                cd_title = cd_title.replaceAll("/+","/");
                args[1] +=cd_title;
        }
    }
        

    String title;
    String label;
    String details;

    if (success) {
      String successMessage = "ExportAsPrompt.Successful_ExportOne";
      title = Dictionary.get("ExportAsPrompt.Successful_Title");
      label = Dictionary.get(successMessage, args);
      details = Dictionary.get("ExportAsPrompt.Successful_Details", args);
    } else {
      String failedMessage = "ExportAsPrompt.Failed_ExportOne";
      title = Dictionary.get("ExportAsPrompt.Failed_Title");
      label = Dictionary.get(failedMessage, args);
      details = Dictionary.get("ExportAsPrompt.Failed_Details", args);
    }
    SimpleResultDialog result_dialog = new SimpleResultDialog(this, title, label, details);
    result_dialog.setVisible(true); // Blocks
    result_dialog.dispose();
    result_dialog = null;
    }

    /** Method to scan the collect directory retrieving and reloading each collection it finds, while building the list of known collections.
     * @see org.greenstone.gatherer.Configuration
     * @see org.greenstone.gatherer.Gatherer
     * @see org.greenstone.gatherer.util.ArrayTools
     * @see org.greenstone.gatherer.util.Utility
     */
  private ListModel getCollectionListModel() {
    DefaultListModel model = new DefaultListModel();
    // Start at the collect dir.
    File collect_directory = new File(Gatherer.getCollectDirectoryPath());
    String file_name = (Gatherer.GS3)? Utility.CONFIG_GS3_FILE : Utility.CONFIG_FILE;
    if (collect_directory.exists()) {
        // Now for each child directory see if it contains a .col file and
        // if so try to load it..
        File collections[] = collect_directory.listFiles();
        ArrayTools.sort(collections);
        for(int i = 0; collections != null && i < collections.length; i++) {
        if(collections[i].isDirectory() && !collections[i].getName().equals(StaticStrings.MODEL_COLLECTION_NAME)) {
            File config_file = new File(collections[i], file_name);
            if (config_file.exists()) {
            BasicCollectionConfiguration config = new BasicCollectionConfiguration(config_file);
            model.addElement(config);               
            config = null;
            }
        }
        }
    }
    return model;
    // Otherwise the collect directory doesn't actually exist, so there ain't much we can do.
  }


    /** All implementation of GShellListener must include this method so the listener can be informed of messages from the GShell.
     * @param event A <strong>GShellEvent</strong> that contains, amoung other things, the message.
     */
    public synchronized void message(GShellEvent event) {
    // Ignore the messages from RecPlug with 'show_progress' set (used for progress bars)
    String message = event.getMessage();
    if (message.startsWith("export.pl>")) {
        message = message.substring(13);
        //DebugStream.println("message = "+event.getMessage());
        error_message.append(message);
        error_message.append("\n");
    }
    }

    /** All implementation of GShellListener must include this method so the listener can be informed when a GShell begins its task. Implementation side-effect, not actually used.
     * @param event A <strong>GShellEvent</strong> that contains details of the initial state of the <strong>GShell</strong> before task comencement.
     */
    public synchronized void processBegun(GShellEvent event) {
    // We don't care. 
    }
    /** All implementation of GShellListener must include this method so the listener can be informed when a GShell completes its task.
     * @param event A <strong>GShellEvent</strong> that contains details of the final state of the <strong>GShell</strong> after task completion.
     */
    public synchronized void processComplete(GShellEvent event) {
    successful = false;
    if(event.getStatus() == GShell.OK) {
        if(event.getType() == GShell.EXPORTAS) {
        successful = true;
        }
    }
    ok_button_listener.processComplete();
    }

    /** A button listener implementation, which listens for actions on the close button and disposes of the dialog when detected. */
    private class CancelButtonListener 
    implements ActionListener {
    /** Any implementation of ActionListener must include this method so we can be informed when the button is actioned.
     * @param event An <strong>ActionEvent</strong> containing all the relevant information garnered from the event itself.
     */
    public void actionPerformed(ActionEvent event) {
        prompt.dispose();
    }
    }

    /** This private class listens for selection events in from the list and then displays the appropriate details for that collection.
     */
    private class CollectionListListener 
    implements ListSelectionListener
    {
    /** Any implementation of ListSelectionListener must include this method so we can be informed when the list selection changes.
     * @param  event a <strong>ListSelectionEvent</strong> containing all the relevant information garnered from the event itself
     */
    public void valueChanged(ListSelectionEvent event)
    {
        // Can only export when something is ticked
        //ok_button.setEnabled(!list.isNothingTicked());

        if (list.isSelectionEmpty()) {
        details_textarea.setText(Dictionary.get("DeleteCollectionPrompt.No_Collection"));
        ok_button.setEnabled(false);
        }
        else {
          BasicCollectionConfiguration collection = (BasicCollectionConfiguration) list.getSelectedValue();
          args = new String[3];
          args[0] = collection.getCreator();
          args[1] = collection.getMaintainer();
          args[2] = collection.getDescription();
          details_textarea.setText(Dictionary.get("DeleteCollectionPrompt.Details", args));
          details_textarea.setCaretPosition(0);
          ok_button.setEnabled(true);
        }
    }

    }
    /** The OK button listener implementation. */
    private class OKButtonListener 
    implements ActionListener {
    private Component glass_pane;
    private MouseListener mouse_blocker_listener;
    private ProgressDialog progress_dialog;

    /** Any implementation of ActionListener must include this method so we can be informed when the button is actioned.
     * @param event An <strong>ActionEvent</strong> containing all the relevant information garnered from the event itself.
     * @see org.greenstone.gatherer.Configuration
     * @see org.greenstone.gatherer.Gatherer
     * @see org.greenstone.gatherer.util.Utility
     */
    public void actionPerformed(ActionEvent event) {
        ///ystem.err.println("OK Clicked");
        // Make sure there are some colls specified
        selected_collection = (BasicCollectionConfiguration)list.getSelectedValue();
        error_message = new StringBuffer();
        
        // Set the cursor to hourglass
        glass_pane = getGlassPane();
        mouse_blocker_listener = new MouseAdapter() {};
        glass_pane.addMouseListener(mouse_blocker_listener);
        glass_pane.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
        glass_pane.setVisible(true);

        // Export the selected collection.
        ///ystem.err.println("Exporting As for named collections");
        exportAsCollections();

        // Show progress dialog
        ///ystem.err.println("Showing progress dialog");
        progress_dialog = new ProgressDialog();
        progress_dialog.setVisible(true);
    }

    public void processComplete() {
        ///ystem.err.println("Process complete");
        // Dispose of progress dialog
   
      
        progress_dialog.setVisible(false);
        progress_dialog.dispose();
        progress_dialog = null;

        // unset the cursor
        glass_pane.setVisible(false);
        glass_pane.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
        glass_pane.removeMouseListener(mouse_blocker_listener);
        glass_pane = null;
        mouse_blocker_listener= null;
        
        if (successful) {
        resultPrompt(true, error_message.toString());
        } else {
        resultPrompt(false, error_message.toString());
        }
        error_message = null;
             
            convert_xml_button1.setEnabled(false); 
            xsl_file1 = null;
            convert_xml_field1.setText("");
            convert_xml_checkbox1.setSelected(false);

        convert_xml_button2.setEnabled(false); 
            xsl_file2 = null;
            convert_xml_field2.setText("");
            convert_xml_checkbox2.setSelected(false);

        mapping_xml_checkbox.setSelected(false);
        output_single_checkbox.setSelected(false);
        convert_xml_button3.setEnabled(false);
            mapping_xml_field.setText("");
        mapping_file = null;

    }

    private class ProgressDialog 
        extends ModalDialog {
        
        private Dimension size = new Dimension(400,110);
        
        public ProgressDialog() {
        super(Gatherer.g_man, Dictionary.get("ExportAsPrompt.Title"), true);
        setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
        setSize(size);
        JPanel content_pane = (JPanel) getContentPane();
        JLabel progress_label = new JLabel(Dictionary.get("ExportAsPrompt.Progress_Label"));
        
        JProgressBar progress_bar = new JProgressBar();
        progress_bar.setIndeterminate(true);
        content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
        GLIButton cancel_button = new GLIButton(Dictionary.get("ExportAsPrompt.Cancel"),Dictionary.get("ExportAsPrompt.Cancel_Tooltip"));
        cancel_button.setMnemonic(KeyEvent.VK_C);
    
        cancel_button.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
                cancelExporting();
            }

                });

                JPanel cancel_panel = new JPanel(new FlowLayout(FlowLayout.CENTER,0,0));
        cancel_panel.add(cancel_button);
                                    
        content_pane.setLayout(new BorderLayout(0,5));
        content_pane.add(progress_label, BorderLayout.NORTH);
        content_pane.add(progress_bar, BorderLayout.CENTER);
        content_pane.add(cancel_panel, BorderLayout.SOUTH);

        // Position
        Rectangle frame_bounds = Gatherer.g_man.getBounds();
        setLocation(frame_bounds.x + (frame_bounds.width - size.width) / 2, frame_bounds.y + (frame_bounds.height - size.height) / 2);
        }
    }
    }

   private class ConvertXMLCheckboxListener implements ActionListener {
    public void actionPerformed(ActionEvent event) {
      
        convert_xml_button1.setEnabled(convert_xml_checkbox1.isSelected());
        convert_xml_field1.setEnabled(convert_xml_checkbox1.isSelected());
        convert_xml_button2.setEnabled(convert_xml_checkbox2.isSelected());
        convert_xml_field2.setEnabled(convert_xml_checkbox2.isSelected());
        convert_xml_button3.setEnabled(mapping_xml_checkbox.isSelected());
        mapping_xml_field.setEnabled(mapping_xml_checkbox.isSelected());
            
    }
    }


     
    private class SaveasListener implements ActionListener {
    
    public void actionPerformed(ActionEvent event) {
        
        convert_xml_checkbox1.setSelected(false);
        convert_xml_checkbox2.setSelected(false);
        mapping_xml_checkbox.setSelected(false);
        output_single_checkbox.setSelected(false);

        convert_xml_button1.setEnabled(false);
            convert_xml_button2.setEnabled(false);
        convert_xml_button3.setEnabled(false);

            convert_xml_field1.setText("");
        convert_xml_field2.setText("");
        mapping_xml_field.setText("");
        
        String saveas = (String)saveas_combobox.getSelectedItem();

        if (convert_xml_pane.getComponentCount() > 1){
        convert_xml_pane.remove(1);
        if (convert_xml_pane.getComponentCount() > 1){
            convert_xml_pane.remove(1);
        }
        }

        if (!saveas.endsWith("METS")){
    
        convert_xml_checkbox1.setText(Dictionary.get("ExportAsPrompt.ApplyXSL",(String)plugoutMap.get(saveas)));    
        if (saveas.equals("MARCXML")){
            convert_xml_pane.add(mapping_xml_pane);
            convert_xml_pane.add(output_single_checkbox);
        }       
        }
        else{
        String[] docs = ((String)plugoutMap.get(saveas)).split(",");
        convert_xml_checkbox1.setText(Dictionary.get("ExportAsPrompt.ApplyXSL",docs[0]));
        convert_xml_checkbox2.setText(Dictionary.get("ExportAsPrompt.ApplyXSL",docs[1])); 
        convert_xml_pane.add(convert_xml_pane2);        
        }
        
        convert_xml_pane.revalidate();
        convert_xml_pane.repaint();
            instructions_pane.revalidate();
            instructions_pane.repaint();
             
    }
    
    }
       
     private class ConvertXMLButtonListener implements ActionListener {
    public void actionPerformed(ActionEvent event) {
        JFileChooser chooser = new JFileChooser();
        // Note: source for ExampleFileFilter can be found in FileChooserDemo,
        // under the demo/jfc directory in the Java 2 SDK, Standard Edition.
        javax.swing.filechooser.FileFilter filter = new javax.swing.filechooser.FileFilter(){
            public boolean accept(File f){
            return f.getPath().endsWith(".xsl")||f.isDirectory()||f.getPath().endsWith(".xml");
            }  

            public String getDescription(){
            return "XSL or XML file";
            }          
      };
        
        chooser.setFileFilter(filter);
        int returnVal = chooser.showOpenDialog(prompt);        

        if(returnVal == JFileChooser.APPROVE_OPTION) {
        if (event.getSource() == convert_xml_button1){

            xsl_file1 = chooser.getSelectedFile();
            convert_xml_field1.setText(xsl_file1.getPath());
        }
                else if (event.getSource() == convert_xml_button2){ 
                     xsl_file2 = chooser.getSelectedFile();
            convert_xml_field2.setText(xsl_file2.getPath());
           
        }
        else {
            mapping_file = chooser.getSelectedFile();
            mapping_xml_field.setText(mapping_file.getPath()); 
        }
        }
    }
     }

 private class FolderButtonListener implements ActionListener {
    public void actionPerformed(ActionEvent event) {
        JFileChooser chooser = new JFileChooser();
        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
       
        int returnVal = chooser.showOpenDialog(prompt);        
        
        if(returnVal == JFileChooser.APPROVE_OPTION) {
        File folder_name = chooser.getSelectedFile();
        title_field.setText(folder_name.getPath());
        }
        
    }
 }
}