Changeset 8971 for trunk/gli/src/org/greenstone/gatherer/gems/GEMSPreferences.java

Timestamp:

2005-02-07T10:36:51+13:00 (19 years ago)

Author:

mdewsnip

Message:

More GEMS fixes, by Matthew Whyte. Can now create subelements of subelements.

File:

• trunk/gli/src/org/greenstone/gatherer/gems/GEMSPreferences.java (modified) (17 diffs)

trunk/gli/src/org/greenstone/gatherer/gems/GEMSPreferences.java

@@ -35 +35 @@
 import javax.swing.*;
 import javax.swing.event.*;
+import javax.swing.border.*;
 import org.greenstone.gatherer.Configuration;
 import org.greenstone.gatherer.Dictionary;
@@ -51 +52 @@
     static final public String CONNECTION_PREFS = "connection";
     static final public String GENERAL_PREFS = "general";
-
-
     static final private Dimension LABEL_SIZE = new Dimension(280, 25);
-    static final private Dimension ROW_SIZE = new Dimension(640, 25);
     static final private Dimension SIZE = new Dimension(640, 345);
-    static final private String TRUE = "true";
-
-    // private CheckList warning_preferences_check_list;
-    private EmailField email_field;
+
+    //private EmailField email_field;
     private JButton apply_button;
     private JButton cancel_button;
     private JButton ok_button;
-    private JCheckBox use_subfields_checkbox;
-    
+
     private JCheckBox use_proxy_checkbox;
-    private JCheckBox view_extracted_metadata_checkbox;
-    
     private JCheckBox workflow_create;
     private JCheckBox workflow_mirror;
@@ -74 +67 @@
     private JCheckBox workflow_design;
     private JCheckBox workflow_export;
+
     private JComboBox language_combobox;
-    private JList language_limited_jlist;
-    
-    private JComboBox servlet_combobox; // GS3
-    private JComboBox site_combobox; // GS3
+    private JList language_limited_jlist;  
+    private JList language_code_jlist; 
+    private JComboBox servlet_combobox;
+    private JComboBox site_combobox;
     private JLabel interface_language_label;
     private JLabel language_label;
-    private JLabel library_path_label;
-    private JLabel predefined_label;
-    private JLabel program_label;
-    private JLabel proxy_host_label;
-    private JLabel proxy_port_label;
-    private JLabel title_label;
-    private JPanel servlet_pane;
+
     private JRadioButton assistant_mode_radio_button;
     private JRadioButton expert_mode_radio_button;
-    private JRadioButton librarian_mode_radio_button;
     private JRadioButton systems_mode_radio_button;
     private JSpinner proxy_port_field;
     private JTabbedPane tab_pane;
     private JTextArea mode_description_textarea;
-    private JTextField library_path_field;
-    private JTextField program_field;
     private JTextField proxy_host_field;
     private GEMSPreferences self;
 
     private String current_site_selection;
+
     public GEMSPreferences() {
-    this(GENERAL_PREFS);
-    }
-
-    public GEMSPreferences(String initial_view) {
     // Initialize
     super(Gatherer.g_man, true);
@@ -118 +100 @@
     JPanel general_preferences = createGeneralPreferences();
     tab_pane.add("Preferences.General", general_preferences);
-    //tab_pane.add("Preferences.Mode", createModePreferences());
-    // !! Temporarily disabled for the UNESCO CD-ROM !!
-    // tab_pane.add("Preferences.Workflow", createWorkflowPreferences());
-    //JPanel connection_preferences = createConnectionPreferences();
-    //tab_pane.add("Preferences.Connection", connection_preferences);
-    //tab_pane.add("Preferences.Warnings", createWarningPreferences());
         
     Dictionary.register(tab_pane);
@@ -155 +131 @@
     content_pane.add(button_pane, BorderLayout.SOUTH);
 
-    Dimension frame_size;// = Gatherer.g_man.getSize();
-    Point frame_location;// = Gatherer.g_man.getLocation();
-    //setLocation(frame_location.x + ((frame_size.width - SIZE.width) / 2), frame_location.y + ((frame_size.height - SIZE.height)));
-    //setLocation(((frame_size.width - SIZE.width) / 2), ((frame_size.height - SIZE.height)));
         setLocation(400, 300);
-
-    
     tab_pane.setSelectedComponent(general_preferences);
-    
-
     
     // Clean up
     general_preferences = null;
-    //connection_preferences = null;
-    frame_location = null;
-    frame_size = null;
     cancel_button = null;
     ok_button = null;
@@ -185 +150 @@
     // Build the model of available languages
     ArrayList dictionary_model = new ArrayList();
-
-    // Old method for determining what languages should be available in the combobox
-    /*
-    dictionary_model.add(new DictionaryEntry(Locale.ENGLISH));
-    File classes_folder = new File(Utility.BASE_DIR + StaticStrings.CLASSES_FOLDER);
-    File[] possible_dictionaries = classes_folder.listFiles();
-    for(int i = 0; i < possible_dictionaries.length; i++) {
-        String filename = possible_dictionaries[i].getName();
-        if(filename.endsWith(StaticStrings.PROPERTIES_FILE_EXTENSION) && filename.indexOf(StaticStrings.UNDERSCORE_CHARACTER) != -1) {
-        StringTokenizer tokenizer = new StringTokenizer(filename.substring(filename.indexOf(StaticStrings.UNDERSCORE_CHARACTER) + 1, filename.indexOf(StaticStrings.STOP_CHARACTER)), StaticStrings.UNDERSCORE_CHARACTER);
-        Locale locale = null;
-        switch(tokenizer.countTokens()) {
-        case 1:
-            locale = new Locale(tokenizer.nextToken().toLowerCase());
-            break;
-        case 2:
-            locale = new Locale(tokenizer.nextToken().toLowerCase(), tokenizer.nextToken().toUpperCase());
-            break;
-        }
-        tokenizer = null;
-        // Open the file and read the first line
-        String description = null;
-        try {
-            BufferedReader br = new BufferedReader(new FileReader(possible_dictionaries[i]));
-            String first_line = br.readLine();
-            br.close();
-            description = first_line.substring(first_line.indexOf(StaticStrings.COLON_CHARACTER) + 1);
-        }
-        catch(Exception error) {
-        }
-        DictionaryEntry entry = new DictionaryEntry(description, locale);
-        description = null;
-        locale = null;
-        if(!dictionary_model.contains(entry)) {
-            dictionary_model.add(entry);
-        }
-        entry = null;
-        }
-        filename = null;
-    }
-    possible_dictionaries = null;
-    classes_folder = null;
-    */
 
     // The new method makes use of the successor to the languages.dat file, classes/xml/languages.xml
@@ -254 +176 @@
     interface_language_label.setPreferredSize(LABEL_SIZE);
         
-        
     Dictionary.registerText(interface_language_label, "GEMS.Preferences.Selected_Languages_Tooltip");
-    email_field = new EmailField(Configuration.getColor("coloring.error_background", false));
-    email_field.setText(Configuration.getEmail());
-    Dictionary.registerTooltip(email_field, "GEMS.Preferences.Selected_Languages_Tooltip");
-
-    // Extracted metadata
-        
-    //Dictionary.registerBoth(view_extracted_metadata_checkbox, "Preferences.General.View_Extracted_Metadata", "Preferences.General.View_Extracted_Metadata_Tooltip");
-
-    
-    // Show file sizes
-    use_subfields_checkbox = new JCheckBox();
-        JLabel use_subfields_checkbox_label = new JLabel();
-        use_subfields_checkbox_label.setPreferredSize(new Dimension(225, 30));
-    use_subfields_checkbox.setSelected(false);
-        use_subfields_checkbox.setVisible(false);
-        use_subfields_checkbox_label.setVisible(false);
-      
-     //  String blah = Configuration.getString("coloring.workspace_tree_background",true);
-        //  System.out.println("before"+ blah);
-          
-    if (Configuration.get("GEMS.Preferences.Use_Subelements", true)) {
-            use_subfields_checkbox.setSelected(true);
-    }
-    Dictionary.registerBoth(use_subfields_checkbox_label, "GEMS.Preferences.Use_Subelements", "GEMS.Preferences.Use_Subelements_Tooltip");
-    
+    //email_field = new EmailField(Configuration.getColor("coloring.error_background", false));
+    //email_field.setText(Configuration.getEmail());
+    //Dictionary.registerTooltip(email_field, "GEMS.Preferences.Selected_Languages_Tooltip");
 
     // Language
@@ -286 +185 @@
     language_label = new JLabel();
     language_label.setPreferredSize(LABEL_SIZE);
-        
    
     Dictionary.registerText(language_label, "Preferences.General.Interface_Language");
@@ -299 +197 @@
         }
     }
-    
-        //create language_limited_jlist
-        //String [] newer = {"blah", "asfd", "dfjdddd", "blee11" ,"asdfsdfsdf", "asdfdsf","asdfsdfsdf", "asdfdsf","asdfsdfsdf", "asdfdsf","safd", "safd", "safd", "safd"};
-        
-        
         
         //create language selected box, and high light the apprpropate ones
-         int [] selectedLanguages = new int[300];
-         int selectedLanguagesLength = 0;
-     
-            
-        //GemsLanguageManager gemsLangManager = new GemsLanguageManager("/home/arosmain/gsdl/gli/classes/xml/languages.xml");
+    int [] selectedLanguages = new int[300];
+    int selectedLanguagesLength = 0;
+                 
+    //GemsLanguageManager gemsLangManager = new GemsLanguageManager("/home/arosmain/gsdl/gli/classes/xml/languages.xml");
         GEMSLanguageManager gemsLangManager = new GEMSLanguageManager(Configuration.gsdl_path + "/gli/classes/xml/languages.xml");
-        
-         
-         language_limited_jlist = new JList(gemsLangManager.getLanguageCodesToArray());     
+
+    //Create the visible JList, and then another one with just the language codes. 
+    language_code_jlist = new JList(gemsLangManager.getLanguageCodesToArray());  
+    language_limited_jlist = new JList(gemsLangManager.getLanguageCodesAndNames());
+
+    //Set the list up to display tabs properly
+    TabListCellRenderer renderer = new TabListCellRenderer();
+    renderer.setTabs(new int[] {50, 200, 300});
+    language_limited_jlist.setCellRenderer(renderer);
+
         String enabled_languages =  Configuration.getString("GEMS.Preferences.Selected_Languages", true);
-    //we have a string : enabled_languages that contains an array of strings delimited by comma's
+    //we have a string: enabled_languages that contains an array of strings delimited by comma's
         String []enabled_languages_split = enabled_languages.split(",");
         Object []language_codes_array = gemsLangManager.getLanguageCodesToArray();
         
-        //System.out.println("before: " +enabled_languages_split[0].toString() + " meh: " + enabled_languages);
-        Vector selected = new Vector();
-        
-        //for each enabled_languages_split
-            //check which languages match, and store the index in selectedLanguages
+        //for each enabled_languages_split, check which languages match, and store the index in selectedLanguages
         for(int k = 0; k < enabled_languages_split.length; k++) {
             
@@ -331 +226 @@
                 //if the codes  match, then include the index p into the vector selectedLanguages
                 if (language_codes_array[p].toString().toLowerCase().trim().compareTo(enabled_languages_split[k].toLowerCase().trim()) == 0)
-              {
-                 // System.out.println(language_codes_array[p].toString().toLowerCase().trim() + " " + enabled_languages_split[k].toLowerCase().trim());
-              
-               //  selected.add(p);
-                   selectedLanguages[selectedLanguagesLength] = p;
-                   selectedLanguagesLength++;
-                   language_limited_jlist.addSelectionInterval(p,p);
-              }
-             
-                
-            }
-            
-            
+            {
+            selectedLanguages[selectedLanguagesLength] = p;
+            selectedLanguagesLength++;
+            language_limited_jlist.addSelectionInterval(p,p);
+            }   
+            }   
         }
        
-        //selectedLanguages should contain the indices of the languages that should be selected as
-        //stated in enabled_languages
-     
-        //language_limited_jlist.setSelectedIndices(selectedLanguages);
-       // language_limited_jlist.addSelectionInterval(1,1);
-        //language_limited_jlist.setSelectedIndex(1);
-               
-        //because the very first language(index 0) gets chosen no matter what... 
-        //then I unselected the 0 index, and then check the config file to see if that particular language is
-        //indeed selected
-     //  language_limited_jlist.set
-        
- 
-        
-
     // Connect
     language_combobox.addActionListener(new LanguageComboboxListener());
 
     // Layout
-        
         JScrollPane langScrollPane = new JScrollPane(language_limited_jlist);
-      
-        //langScrollPane.getViewport().setView(language_limited_jlist);
-        
-       // langScrollPane.setSize(175, 100);
         langScrollPane.setPreferredSize(new Dimension(100, 100));
     lang_limited_pane.setLayout(new GridLayout(1,3));
@@ -376 +244 @@
     lang_limited_pane.add(langScrollPane);
         
-        
     language_pane.setLayout(new BorderLayout());
     language_pane.add(language_label, BorderLayout.WEST);
@@ -382 +249 @@
         
     general_pane.setBorder(org.greenstone.gatherer.gui.BorderFactory.createEmptyBorder(5,5,5,5));
-    //general_pane.setLayout(new GridLayout(4,1,0,5));
     general_pane.setLayout(null);
-    
-         general_pane.add(lang_limited_pane);
+    general_pane.add(lang_limited_pane);
     general_pane.add(language_pane);
     //general_pane.add(view_extracted_metadata_checkbox);
-    general_pane.add(use_subfields_checkbox);
-        general_pane.add(use_subfields_checkbox_label);
         Insets general_pane_insets = general_pane.getInsets();
         
@@ -397 +260 @@
         language_pane.setBounds(20+general_pane_insets.left, 130+general_pane_insets.top, 
                             language_pane.getPreferredSize().width, language_pane.getPreferredSize().height);
-        
-        use_subfields_checkbox_label.setBounds(20+general_pane_insets.left, 200+general_pane_insets.top, 
-                            use_subfields_checkbox_label.getPreferredSize().width, use_subfields_checkbox_label.getPreferredSize().height);
-       
-        use_subfields_checkbox.setBounds(295+general_pane_insets.left, 200+general_pane_insets.top, 
-                            use_subfields_checkbox.getPreferredSize().width, use_subfields_checkbox.getPreferredSize().height);
        
     return general_pane;
@@ -416 +273 @@
     public void actionPerformed(ActionEvent event) {
         // Submit the various changes
-        // Connection preferences
-     /*   String program_str = program_field.getText();
-        if(program_str.length() > 0 && program_str.indexOf("%1") == -1) {
-        program_str = program_str + " %1";
-        }
-        Configuration.setPreviewCommand(program_str);
-
-        boolean site_changed = false;
-        if (Gatherer.GS3) {
-        String current_site = Configuration.site_name;
-        String new_site =(String)site_combobox.getSelectedItem() ;
-        if (!new_site.equals(current_site)) {
-            site_changed = true;
-        }
-        Configuration.setSiteAndServlet(new_site, (String)servlet_combobox.getSelectedItem());
-        }
-        
-        Configuration.set("general.use_proxy", true, use_proxy_checkbox.isSelected());
-        Configuration.setString("general.proxy_host", true, proxy_host_field.getText());
-        Configuration.setString("general.proxy_port", true, proxy_port_field.getValue() + "");
-        Gatherer.setProxy();
-
-        // General preferences
-        Configuration.setEmail(email_field.getText());
-
-        Configuration.set("general.show_file_size", Configuration.COLLECTION_SPECIFIC, use_subfields_checkbox.isSelected());
-        // Force both workspace and collection trees to redraw
-        if (Gatherer.g_man != null) {
-        Gatherer.g_man.refreshWorkspaceTree(DragTree.TREE_DISPLAY_CHANGED);
-        Gatherer.g_man.refreshCollectionTree(DragTree.TREE_DISPLAY_CHANGED);
-        }
-*/
-            //save selected languages list box
-            
-            //goes here
-            
-            //save subfield checkbox
-            
-        Configuration.set("Gems.Preferences.Use_Subelements", true, use_subfields_checkbox.isSelected());
-      //  Gatherer.g_man.enrich_pane.valueChanged((TreeSelectionEvent) null); // Refresh metadata table
-
-            
+
             //save interface language
         String current_lang = Configuration.getLanguage();
@@ -465 +281 @@
         }
             
-            
-            
-            //////////////////////save language limited jlist selections
-            
-             Vector stringVector = new Vector();
-        
-             Object[] selectedValues = language_limited_jlist.getSelectedValues();
-             String concatString = new String();
-             
-             for(int k = 0; k < selectedValues.length; k++) {
-                // System.out.println(language_limited_jlist.getComponent(0).toString());//allSelectedLanguages[k]
-                 
-                 //System.out.println(selectedValues[k]);
-                 
-                 if(selectedValues.length-k > 1) 
-                 concatString = concatString.concat(selectedValues[k].toString() +",");
-                 else
-                 concatString = concatString.concat(selectedValues[k].toString());
-                   
+        //Set language_code_jlist to have the same selections as the language_limited_jlist.
+        //(before, there was only one JList, and it only contained the language codes).
+        int[] selection = language_limited_jlist.getSelectedIndices();
+        language_code_jlist.setSelectedIndices(selection);
+        Object[] selectedValues = language_code_jlist.getSelectedValues();
+        String concatString = new String();
+        
+        for(int k = 0; k < selectedValues.length; k++) { 
+        if(selectedValues.length-k > 1) 
+            concatString = concatString.concat(selectedValues[k].toString() +",");
+        else
+            concatString = concatString.concat(selectedValues[k].toString());
              }
             
-            
-           // System.out.println("final cat string: "+ concatString);
-            
-        
             Configuration.setString("GEMS.Preferences.Selected_Languages",true, concatString);
             
-            ///////////////////
-/*
-        // Mode preferences
-        int current_mode = Configuration.getMode();
-        int new_mode;
-        if(assistant_mode_radio_button.isSelected()) {
-        new_mode = Configuration.ASSISTANT_MODE;
-        }
-        else if(systems_mode_radio_button.isSelected()) {
-        new_mode = Configuration.SYSTEMS_MODE;
-        }
-        else if(expert_mode_radio_button.isSelected()) {
-        new_mode = Configuration.EXPERT_MODE;
-        }
-        else  {
-        new_mode = Configuration.LIBRARIAN_MODE;
-        }
-        // If there has been a change in modes, update the config, and also inform the persistant gui views that have a need to know
-        if(new_mode != current_mode) {
-        Configuration.setMode(new_mode);
-        Collection collection = Gatherer.c_man.getCollection();
-        if (collection != null) {
-            collection.cdm.modeChanged(new_mode);
-        }
-        Gatherer.g_man.modeChanged(new_mode);
-        }
-        // Warning preferences
-        for(int i = 0; i < warning_preferences_check_list.getEntryCount(); i++) {
-        Entry entry = warning_preferences_check_list.get(i);
-        Configuration.set(entry.getProperty(), true, entry.isSelected());
-        }
-
-        if (Gatherer.GS3 && site_changed && Gatherer.c_man.getCollection()!=null) {
-        // shut down the collection
-        System.err.println("shutting down teh collection");
-        Gatherer.g_man.closeCurrentCollection();
-        }
-*/
-        // Workflow preferences
-        // Configuration.set("workflow.mirror", false, workflow_mirror.isSelected());
-        // Configuration.set("workflow.gather", false, workflow_gather.isSelected());
-        // Configuration.set("workflow.enrich", false, workflow_enrich.isSelected());
-        // Configuration.set("workflow.design", false, workflow_design.isSelected());
-        // Configuration.set("workflow.export", false, workflow_export.isSelected());
-        // Configuration.set("workflow.create", false, workflow_create.isSelected());
-        // Gatherer.g_man.workflowUpdate("Mirror", workflow_mirror.isSelected());
-        // Gatherer.g_man.workflowUpdate("Gather", workflow_gather.isSelected());
-        // Gatherer.g_man.workflowUpdate("Enrich", workflow_enrich.isSelected());
-        // Gatherer.g_man.workflowUpdate("Design", (workflow_design.isSelected() && Configuration.getMode() > Configuration.ASSISTANT_MODE));
-        // Gatherer.g_man.workflowUpdate("Export", workflow_export.isSelected());
-        // Gatherer.g_man.workflowUpdate("Create", workflow_create.isSelected());
-
         // Always save configuration changes immediately (in case the GLI crashes)
         Configuration.save();
@@ -592 +345 @@
     }
 
-    /** This listener updates the mode description depending on what mode is selected. */
-    private class ModeRadioButtonListener
-    implements ActionListener {
-    public void actionPerformed(ActionEvent event) {
-        Object source = event.getSource();
-        if(source == assistant_mode_radio_button) {
-        mode_description_textarea.setText(Dictionary.get("Preferences.Mode.Assistant_Description"));
-        }
-        else if(source == expert_mode_radio_button) {
-        mode_description_textarea.setText(Dictionary.get("Preferences.Mode.Expert_Description"));
-        }
-        else if(source == systems_mode_radio_button) {
-        mode_description_textarea.setText(Dictionary.get("Preferences.Mode.Systems_Description"));
-        }
-        else {
-        mode_description_textarea.setText(Dictionary.get("Preferences.Mode.Librarian_Description"));
-        }
-        source = null;
-    }
-    }
-
-    private class PredefinedActionListener
-    implements ActionListener {
-    public void actionPerformed(ActionEvent event) {
-        JComboBox cb = (JComboBox) event.getSource();
-        WorkflowElementWrapper element = (WorkflowElementWrapper) cb.getSelectedItem();
-        CheckboxUpdater task = new CheckboxUpdater(element);
-        SwingUtilities.invokeLater(task);
-    }
-
-    private class CheckboxUpdater
-        implements Runnable {
-        private WorkflowElementWrapper element;
-        public CheckboxUpdater(WorkflowElementWrapper element) {
-        this.element = element;
-        }
-        public void run() {
-        workflow_create.setSelected(element.getEnabled("create"));
-        workflow_mirror.setSelected(element.getEnabled("mirror"));
-        workflow_gather.setSelected(element.getEnabled("gather"));
-        workflow_enrich.setSelected(element.getEnabled("enrich"));
-        workflow_design.setSelected(element.getEnabled("design"));
-        workflow_export.setSelected(element.getEnabled("export"));
-        }
-    }
-    }
 
     private class LanguageComboboxListener
@@ -651 +358 @@
     }
     }
-
-    private class SiteComboboxListener
-    implements ActionListener {
-    private boolean ignore_event=false;
-    public void actionPerformed(ActionEvent event) {
-        System.err.println("event occurred "+event.paramString());
-        String site = (String) site_combobox.getSelectedItem();
-        System.err.println("new site = "+site);
-        if (!site.equals(current_site_selection)) {
-        current_site_selection = site;
-        System.err.println("changed the current selection");
-        ArrayList servlet_options = Gatherer.servlet_config.getServletsForSite(current_site_selection);
-        if (servlet_options == null) {
-            System.err.println("no servlets for this site");
-            servlet_combobox.setModel(new DefaultComboBoxModel());
-            Dictionary.registerTooltip(servlet_combobox, "Preferences.Connection.Servlet_Tooltip2");
-            servlet_combobox.setEnabled(false);
-
-        } else {
-            System.err.println(ArrayTools.objectArrayToString(servlet_options.toArray()));
-            servlet_combobox.setModel(new DefaultComboBoxModel(servlet_options.toArray()));
-            Dictionary.registerTooltip(servlet_combobox, "Preferences.Connection.Servlet_Tooltip");
-            servlet_combobox.setEnabled(true);
-        }
-        }
-    }    
-    }
-
-    private class UseProxyListener
-    implements ActionListener {
-    public void actionPerformed(ActionEvent event) {
-        boolean enabled = use_proxy_checkbox.isSelected();
-        Configuration.set("general.use_proxy", true, enabled);
-        // Fortunately this is already driven by the event thread.
-        proxy_host_field.setEnabled(enabled);
-        proxy_port_field.setEnabled(enabled);
-    }
-    }
-
-    private class WorkflowElementWrapper {
-    private Element element;
-    private String text;
-    public WorkflowElementWrapper(Element element) {
-        this.element = element;
-    }
-    public boolean getEnabled(String name) {
-        boolean result = true;
-        if(element.getAttribute(name).equalsIgnoreCase("false")) {
-        result = false;
-        }
-        return result;
-    }
-    public String toString() {
-        if(text == null) {
-        text = element.getFirstChild().getNodeValue();
-        }
-        return text;
-    }
-    }
 }
+
+
+/**
+   A custom list renderer, to display tabs in the JList properly.
+
+   @see http://manning.com/sbe/files/uts2/Chapter10html/Chapter10.htm
+   Added by Matthew Whyte
+   Date last modified: 1/02/05
+ */
+class TabListCellRenderer extends JLabel implements ListCellRenderer
+{
+    protected static Border m_noFocusBorder;
+    protected FontMetrics m_fm = null;
+    protected Insets m_insets = new Insets(0, 0, 0, 0);
+    
+    protected int m_defaultTab = 50;
+    protected int[] m_tabs = null;
+    
+    public TabListCellRenderer()
+    {
+    super();
+    m_noFocusBorder = new EmptyBorder(1, 1, 1, 1);
+    setOpaque(true);
+    setBorder(m_noFocusBorder);
+    }
+
+    public Component getListCellRendererComponent(JList list,
+                          Object value, int index, boolean isSelected, boolean cellHasFocus)     
+    {         
+    setText(value.toString());
+    
+    setBackground(isSelected ? list.getSelectionBackground() : list.getBackground());
+    setForeground(isSelected ? list.getSelectionForeground() : list.getForeground());
+    
+    setFont(list.getFont());
+    setBorder((cellHasFocus) ? UIManager.getBorder("List.focusCellHighlightBorder") : m_noFocusBorder);
+    
+    return this;
+    }
+    
+    public void setDefaultTab(int defaultTab) { m_defaultTab = defaultTab; }
+    
+    public int getDefaultTab() { return m_defaultTab; }
+
+    public void setTabs(int[] tabs) { m_tabs = tabs; }
+
+    public int[] getTabs() { return m_tabs; }
+
+    public int getTab(int index)
+    {
+    if (m_tabs == null)
+        return m_defaultTab*index;
+        
+    int len = m_tabs.length;
+    if (index >= 0 && index < len)
+        return m_tabs[index];
+
+    return m_tabs[len-1] + m_defaultTab*(index-len+1);
+    }
+
+
+    public void paint(Graphics g)
+    {
+    m_fm = g.getFontMetrics();
+    
+    g.setColor(getBackground());
+    g.fillRect(0, 0, getWidth(), getHeight());
+    getBorder().paintBorder(this, g, 0, 0, getWidth(), getHeight());
+
+    g.setColor(getForeground());
+    g.setFont(getFont());
+    m_insets = getInsets();
+    int x = m_insets.left;
+    int y = m_insets.top + m_fm.getAscent();
+
+    StringTokenizer st = new StringTokenizer(getText(), "\t");
+    while (st.hasMoreTokens()) 
+    {
+          String sNext = st.nextToken();
+          g.drawString(sNext, x, y);
+        x += m_fm.stringWidth(sNext);
+
+        if (!st.hasMoreTokens())
+            break;
+        int index = 0;
+        while (x >= getTab(index))
+            index++;
+        x = getTab(index);
+    }
+    }   
+}