Index: /main/trunk/gli/src/org/greenstone/gatherer/cdm/BaseIndexManager.java
===================================================================
--- /main/trunk/gli/src/org/greenstone/gatherer/cdm/BaseIndexManager.java	(revision 36150)
+++ /main/trunk/gli/src/org/greenstone/gatherer/cdm/BaseIndexManager.java	(revision 36150)
@@ -0,0 +1,820 @@
+/**
+ *#########################################################################
+ *
+ * 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.
+ *
+ * Author: John Thompson, Greenstone Digital Library, University of Waikato
+ *
+ * Copyright (C) 1999 New Zealand Digital Library Project
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.cdm;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+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.gui.DesignPaneHeader;
+import org.greenstone.gatherer.gui.GComboBox;
+import org.greenstone.gatherer.gui.GLIButton;
+import org.greenstone.gatherer.gui.ModalDialog;
+import org.greenstone.gatherer.gui.SimpleMenuBar;
+import org.greenstone.gatherer.metadata.MetadataElement;
+import org.greenstone.gatherer.metadata.MetadataSetManager;
+import org.greenstone.gatherer.util.CheckList;
+import org.greenstone.gatherer.util.JarTools;
+import org.greenstone.gatherer.util.XMLTools;
+import org.greenstone.gatherer.util.StaticStrings;
+import org.w3c.dom.*;
+/** This is a base class, inherited by indexes, sortfields, facets, which all pretty much do the same thing just with different element names. It is responsible for storing the indexes/sorts/facets which have been assigned to this collection and the default index (if there is one), and providing methods for interacting with both these data pools. It also knows how to turn itself into a String as it would be displayed in the collection configuration file.
+ */
+public abstract class BaseIndexManager
+    extends DOMProxyListModel 
+    implements BuildTypeManager.BuildTypeListener {
+
+    /** A reference to ourselves so our inner methods have access. */
+    protected DOMProxyListModel index_model = null;
+    /** The default index. */
+    protected Index default_index = null;
+
+    protected Control controls = null;
+    protected String build_type = null;
+    
+    // XML element names
+    protected String index_element_name = null;
+    protected String index_default_element_name = null;
+
+    // Disctionary key strings for the interface - set these in subclass
+    protected String controls_title_key = null;
+    protected String new_button_key = "CDM.IndexManager.New";
+    protected String new_button_tooltip_key = null;
+    protected String edit_button_key = "CDM.IndexManager.Edit";
+    protected String edit_button_tooltip_key = null;
+    protected String remove_button_key = "CDM.IndexManager.Remove";
+    protected String remove_button_tooltip_key = null;
+
+    protected String nip_new_index_key = null;
+    protected String nip_edit_index_key = null;
+    protected String nip_source_label_key = null; //"CDM.IndexManager.Source"
+
+    protected String nip_add_index_button_key = null;//"CDM.IndexManager.Add_Index"
+    protected String nip_add_index_tooltip_key = null; //"CDM.IndexManager.Add_Index_Tooltip"
+    protected String nip_replace_index_button_key = null; //"CDM.IndexManager.Replace_Index"
+    protected String nip_replace_index_tooltip_key = null; //"CDM.IndexManager.Replace_Index_Tooltip"
+
+    static final protected Dimension PROMPT_SIZE = new Dimension(400,400);
+
+    public BaseIndexManager(Element indexes, String current_build_type, String index_element_name, String index_default_element_name, Index class_type) {
+
+	super(indexes, index_element_name, class_type);
+	DebugStream.println(this.getClass().getSimpleName()+": " + getSize() + " items parsed.");
+	this.index_element_name = index_element_name;
+	this.index_default_element_name = index_default_element_name;
+
+	index_model = this;
+      
+	// Parse and retrieve the default index - if we should have one
+	if (this.index_default_element_name != null) {
+	    NodeList default_index_elements = CollectionConfiguration.getElementsByTagName(this.index_default_element_name);
+	    if(default_index_elements.getLength() > 0) {
+		default_index = createIndex((Element)default_index_elements.item(0));
+	    }
+	}
+	build_type = current_build_type;
+    }
+
+    private Index createIndex(Element elem) {
+	return (Index)getClassType().create(elem);
+    }
+
+    protected Index createIndex(ArrayList sources) {
+	return (Index)((Index)getClassType()).create(sources); 
+    }
+
+    /** Method to add a new index.
+     * @param index The <strong>Index</strong> to add.
+     * @see org.greenstone.gatherer.Gatherer
+     * @see org.greenstone.gatherer.collection.CollectionManager
+     */
+    private void addIndex(Index index, CollectionMeta metadatum) {
+	///ystem.err.println("Adding an index: " + index.toString());
+	if(!contains(index)) {
+	    CollectionDesignManager.collectionmeta_manager.addMetadatum(metadatum);
+	    // Retrieve the currently last index
+	    if(getSize() > 0) {
+		Index last_index = (Index)getElementAt(getSize() - 1);
+		addAfter(index, last_index);
+		
+	    }
+	    else {
+		add(index);
+		// Also set this index as the default one, 
+		setDefault(index);
+	    }
+	}
+	else {
+	    JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("CDM.IndexManager.Index_Exists"), Dictionary.get("General.Warning"), JOptionPane.WARNING_MESSAGE);
+	}
+    }
+
+    /** change based on indexing type */
+    public void buildTypeChanged(String new_build_type) {
+
+    }
+   
+    public Control getControls() {
+	if (controls == null) {
+	    controls = new IndexControl();
+	}
+	return controls;
+    }
+
+    /** Method to retrieve a certain index, as referenced by an index number.
+     * @param index An <i>int</i> which indicates the position of the desired index.
+     * @return The <strong>Index</strong> at the given index, or <i>null</i> if no such index exists.
+     */
+    public Index getIndex(int index) {
+	if(0 <= index && index < getSize()) {
+	    return (Index)getElementAt(index);
+	}
+	return null;
+    }
+
+    /** Method to retrieve a certain index, given its id.
+     * @param id the id of the index as a String
+     * @return the Index that matches id, or null if no such index exists
+     */
+    public Index getIndex(String id) {
+	int size = getSize();
+	for(int i = 0; i < size; i++) {
+	    Index index = (Index) getElementAt(i);
+	    if(index.getID().equals(id)) {
+		return index;
+	    }
+	}
+	return null;
+    }
+
+    public ArrayList getIndexes() {
+	return children();
+    }
+
+
+
+    /** Called when the detail mode has changed which in turn may cause several design elements to be available/hidden
+     * @param mode the new mode as an int
+     */
+    public void modeChanged(int mode) {
+
+    }
+
+    private void moveIndex(Index index, boolean move_up)
+    {
+	// Determine the current position of the index
+	int position = indexOf(index);
+	// Determine if it can be moved, ie if its not already at the top trying to move up, or at the bottom trying to move down.
+	if(position == -1) {
+	    return;
+	}
+	if(position == 0 && move_up) {
+	    return;
+	}
+	if(position == (getSize()) - 1 && !move_up) {
+	    return;
+	}
+	
+	// Ok, move up
+	if (move_up) {
+	    position--;
+	    remove(index);
+	    add(position, index);
+	}
+
+	// Or move down
+	else {
+	    position++;
+	    remove(index);
+	    add(position, index);
+	}
+    }
+
+
+
+    /** Method to remove a certain index.
+     * @param index the Index to remove.
+     * @see org.greenstone.gatherer.Gatherer
+     * @see org.greenstone.gatherer.cdm.CollectionDesignManager
+     * @see org.greenstone.gatherer.cdm.CollectionMetaManager
+     * @see org.greenstone.gatherer.collection.CollectionManager
+     */
+    private void removeIndex(Index index) {
+	if(index != null) {
+	    // Remove any current metadata from this index
+	    CollectionDesignManager.collectionmeta_manager.removeMetadata(StaticStrings.STOP_CHARACTER + index.getID());
+	    // Remove the index
+	    remove(index);
+	    // Check if the index removed happens to be the default index
+	    if(default_index != null && default_index.equals(index)) {
+		// If so our first solution is to set the first index to be default
+		if(getSize() > 0) {
+		    Index another_index = (Index) getElementAt(0);
+		    setDefault(another_index);
+		    another_index = null;
+		}
+		else {
+		    default_index.setAssigned(false);
+		}
+	    }
+	}
+    }
+
+
+    /* replace an index in the list. new index may have the same sources but a
+       different name, or may be a new index altogether */
+    private void replaceIndex(Index old_index, Index new_index,
+			      CollectionMeta coll_meta) {
+	if (old_index == null || new_index == null || coll_meta == null) {
+	    return;
+	}
+	if (!old_index.getID().equals(new_index.getID()) && contains(new_index)) {
+	    // shoudl we output an error??
+	    return;
+	}
+	// Remove the old index coll meta
+	CollectionDesignManager.collectionmeta_manager.removeMetadata(StaticStrings.STOP_CHARACTER + old_index.getID());
+	// Add the new coll meta
+	CollectionDesignManager.collectionmeta_manager.addMetadatum(coll_meta);
+
+	// get the position of the old one
+	int position = indexOf(old_index);
+	// remove it
+	remove(old_index);
+	// add the new one at that position
+	add(position, new_index);
+    }
+
+
+    /** Method to set the default index.
+     * @param index the new default Index
+     * @see org.greenstone.gatherer.Gatherer
+     * @see org.greenstone.gatherer.collection.CollectionManager
+     */
+    public void setDefault(Index index) {
+	if (this.index_default_element_name == null) {
+	    return; // no default needed
+	}
+	if(index != null) {
+	    if(default_index == null ) {
+		// Create the default index element, and place immediately after indexes element.
+		Element default_index_element = root.getOwnerDocument().createElement(this.index_default_element_name);
+		default_index = createIndex(default_index_element);
+
+		Node target_node = CollectionConfiguration.findInsertionPoint(default_index_element);
+		if(target_node != null) {
+		    root.getOwnerDocument().getDocumentElement().insertBefore(default_index_element, target_node);
+		}
+		else {
+		    root.getOwnerDocument().getDocumentElement().appendChild(default_index_element);
+		}
+	    }
+	    default_index.setAssigned(true);
+	    default_index.setSources(index.getSources());
+	    
+	}
+	else {
+	    if(default_index != null) {
+		default_index.setAssigned(false);
+	    }
+	}
+    }
+
+
+    private class IndexControl
+	extends JPanel
+	implements Control {
+
+	private JList index_list;
+	private JButton move_down_button;
+	private JButton move_up_button;
+	private JButton set_default_button;
+
+	private JButton new_button;
+	private JButton edit_button;
+	private JButton remove_button;
+
+	private boolean has_default = false;
+	public IndexControl() {
+	    super();
+            this.setComponentOrientation(Dictionary.getOrientation());
+	    if (index_default_element_name != null) {
+		has_default = true;
+	    }
+	    // Creation
+	    JPanel assigned_indexes_pane = new JPanel();
+	    assigned_indexes_pane.setComponentOrientation(Dictionary.getOrientation());
+            
+	    JLabel index_label = new JLabel(Dictionary.get(controls_title_key));
+            index_label.setComponentOrientation(Dictionary.getOrientation());
+            
+	    index_list = new JList(index_model);
+	    index_list.setCellRenderer(new IndexListRenderer());
+	    index_list.setVisibleRowCount(6);
+	    index_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+            index_list.addMouseListener(new ClickListener());
+            index_list.setComponentOrientation(Dictionary.getOrientation());
+            
+	    JPanel movement_pane = new JPanel();
+            movement_pane.setComponentOrientation(Dictionary.getOrientation());
+            
+	    move_up_button = new GLIButton(Dictionary.get("CDM.Move.Move_Up"), JarTools.getImage("arrow-up.gif"), Dictionary.get("CDM.Move.Move_Up_Tooltip"));
+	    move_up_button.setEnabled(false);	    
+            
+	    move_down_button = new GLIButton(Dictionary.get("CDM.Move.Move_Down"), JarTools.getImage("arrow-down.gif"), Dictionary.get("CDM.Move.Move_Down_Tooltip"));
+	    move_down_button.setEnabled(false);
+	    	    
+	    set_default_button = new GLIButton(Dictionary.get("CDM.IndexManager.Set_Default"), Dictionary.get("CDM.IndexManager.Set_Default_Tooltip"));
+	    set_default_button.setEnabled(false);
+	    
+	    JPanel button_pane = new JPanel();
+	    button_pane.setComponentOrientation(Dictionary.getOrientation());
+            
+            new_button = new GLIButton(Dictionary.get(new_button_key)+StaticStrings.FURTHER_DIALOG_INDICATOR, Dictionary.get(new_button_tooltip_key));
+	    new_button.setEnabled(true);
+	    
+	    edit_button = new GLIButton(Dictionary.get(edit_button_key)+StaticStrings.FURTHER_DIALOG_INDICATOR, Dictionary.get(edit_button_tooltip_key));
+	    edit_button.setEnabled(false);
+	    
+	    remove_button = new GLIButton(Dictionary.get(remove_button_key), Dictionary.get(remove_button_tooltip_key));
+	    remove_button.setEnabled(false);
+	    	  
+	    // Listeners
+	    new_button.addActionListener(new NewIndexListener());
+	    edit_button.addActionListener(new EditIndexListener());
+	    remove_button.addActionListener(new RemoveIndexListener());
+	    remove_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
+
+	    index_list.addListSelectionListener(new IndexListListener());
+
+	    move_down_button.addActionListener(new MoveListener(false));
+	    move_down_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
+	    move_up_button.addActionListener(new MoveListener(true));
+	    move_up_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
+
+	   
+	    // Layout
+	    movement_pane.setBorder(BorderFactory.createEmptyBorder(0,2,0,0));
+	    movement_pane.setLayout(new GridLayout(3,1));
+	    movement_pane.add(move_up_button);
+	    movement_pane.add(move_down_button);
+	    if (has_default) {
+		set_default_button.addActionListener(new SetDefaultListener());
+		movement_pane.add(set_default_button);
+	    }
+	    assigned_indexes_pane.setBorder(BorderFactory.createEmptyBorder(5,0,5,0));
+	    assigned_indexes_pane.setLayout(new BorderLayout());
+	    assigned_indexes_pane.add(index_label, BorderLayout.NORTH);
+	    assigned_indexes_pane.add(new JScrollPane(index_list), BorderLayout.CENTER);
+	    assigned_indexes_pane.add(movement_pane, BorderLayout.LINE_END);
+
+	    button_pane.setLayout(new GridLayout(1,3,5,0));
+	    button_pane.add(new_button);
+	    button_pane.add(edit_button);
+	    button_pane.add(remove_button);
+
+	    setBorder(BorderFactory.createEmptyBorder(0,5,0,0));
+	    setLayout(new BorderLayout());
+	    add(assigned_indexes_pane, BorderLayout.CENTER);
+	    add(button_pane, BorderLayout.SOUTH);
+	    
+	}
+	public void loseFocus() {}
+	public void gainFocus() {}
+	public void destroy() {}
+  
+	/** Listens for double clicks apon the list and react as if the configure button was pushed. */
+	private class ClickListener
+	    extends MouseAdapter {
+	    /** Called whenever the mouse is clicked over a registered component, we use this to chain through to the configure prompt.
+	     * @param event A <strong>MouseEvent</strong> containing information about the mouse click.
+	    */
+    public void mouseClicked(MouseEvent event) {
+      if(event.getClickCount() == 2 ) {
+        if(!index_list.isSelectionEmpty()) {
+          Index index = (Index) index_list.getSelectedValue();
+          NewIndexPrompt nip = new NewIndexPrompt(build_type, index);
+          nip.destroy();          
+        }
+      }
+    }
+  }
+
+  
+	private class IndexListListener
+	    implements ListSelectionListener {
+	    
+	    /** This method is called whenever the source list selection changes. When it does we need to fill in the various parts of the list description panel
+	     * @param event A <strong>ListSelectionEvent</strong> containing further information about the list selection.
+	     */
+	    public void valueChanged(ListSelectionEvent event)
+	    {
+		if (event.getValueIsAdjusting()) {
+		    return;
+		}
+		
+                set_default_button.setEnabled(true);
+		Object value = index_list.getSelectedValue();
+		if (value == null) {
+		    move_down_button.setEnabled(false);
+		    move_up_button.setEnabled(false);
+		    remove_button.setEnabled(false);
+		    edit_button.setEnabled(false);
+		    set_default_button.setEnabled(false);
+		    return;
+		}
+
+		// Enable the buttons appropriately
+		remove_button.setEnabled(true);
+		edit_button.setEnabled(true);
+		set_default_button.setEnabled(default_index == null || !default_index.equals(value));
+		int i = index_list.getSelectedIndex();
+		int size = index_list.getModel().getSize();
+		move_up_button.setEnabled((i>0));
+		move_down_button.setEnabled((i<size-1));
+	    }
+	}
+
+	private class IndexListRenderer
+	    extends DefaultListCellRenderer {
+
+	    /** Return a component that has been configured to display the specified value. */
+	    public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
+		JLabel component = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
+		if(default_index != null && default_index.equals(value)) {
+		    component.setText(component.getText() + " " + Dictionary.get("CDM.IndexManager.Default_Index_Indicator"));
+		}
+		return component;
+	    }
+
+	}
+
+	private class NewIndexListener
+	    implements ActionListener {
+
+	    public void actionPerformed(ActionEvent event) {
+		NewIndexPrompt nip = new NewIndexPrompt(build_type, null);
+		nip.destroy();
+	    }
+	}
+	
+	private class EditIndexListener
+	    implements ActionListener {
+
+	    public void actionPerformed(ActionEvent event) {
+		Index index = (Index) index_list.getSelectedValue();
+		NewIndexPrompt nip = new NewIndexPrompt(build_type, index);
+		nip.destroy();
+	    }
+	}
+
+	private class RemoveIndexListener
+	    implements ActionListener {
+	    
+	    public void actionPerformed(ActionEvent event) {
+		
+		int i = index_list.getSelectedIndex();
+		if (i != -1) {
+		    removeIndex((Index) index_list.getSelectedValue());
+		}
+		int size = index_list.getModel().getSize();
+		if (i == size) {
+		    i--;
+		}
+		index_list.setSelectedIndex(i);
+		// This will produce an event on the list, updating the other buttons
+	    }
+	}
+
+	private class MoveListener
+	    implements ActionListener {
+
+	    private boolean move_up;
+
+	    public MoveListener(boolean move_up) {
+		this.move_up = move_up;
+	    }
+
+	    public void actionPerformed(ActionEvent event) {
+		// Retrieve the selected index
+		Index index = (Index) index_list.getSelectedValue();
+		if(index != null) {
+		    moveIndex(index, move_up);
+		    // Ensure the index that moved is still selected
+		    index_list.setSelectedValue(index, true);
+		    index = null;
+		}
+	    }
+	}
+
+	private class SetDefaultListener
+	    implements ActionListener {
+
+	    public void actionPerformed(ActionEvent event) {
+		Index index = (Index) index_list.getSelectedValue();
+		if(index != null) {
+		    setDefault(index);
+		    // This should cause a repaint of just the desired row
+		    index_list.setSelectedValue(index, true);
+		}
+		set_default_button.setEnabled(false);
+	    }
+	}
+
+	
+
+	private class NewIndexPrompt 
+	    extends ModalDialog {
+
+	    NewIndexPrompt new_index_prompt = null;
+
+	    private CheckList source_list;
+	    private JButton add_or_replace_button;
+
+	    //private JButton select_none_button;
+	    //private JButton add_all_button;
+	    //private JButton select_all_button;
+	    //private JButton replace_button;
+	    private JButton cancel_button;
+
+	    private boolean editing = false;
+	
+		
+	    public NewIndexPrompt(String build_type, Index existing_index) {
+		super(Gatherer.g_man, true);
+                this.setComponentOrientation(Dictionary.getOrientation());
+                
+		new_index_prompt = this;
+
+		setModal(true);
+		setSize(PROMPT_SIZE);
+		if (existing_index != null) {
+		    setTitle (Dictionary.get(nip_edit_index_key));
+		    editing = true;
+		} else {
+		    setTitle(Dictionary.get(nip_new_index_key));
+		}
+		// simple help menu, set to searchindexes section
+		setJMenuBar(new SimpleMenuBar("searchindexes"));
+
+		JPanel content_pane = (JPanel)this.getContentPane();
+                content_pane.setComponentOrientation(Dictionary.getOrientation());
+		ArrayList new_data = new ArrayList();
+		new_data.addAll(MetadataSetManager.getEveryMetadataSetElement());
+
+		JPanel details_pane = new JPanel();
+                details_pane.setComponentOrientation(Dictionary.getOrientation());
+		
+		JLabel source_label = new JLabel(Dictionary.get(nip_source_label_key));
+                source_label.setComponentOrientation(Dictionary.getOrientation());
+		source_list = new CheckList(false);                
+		source_list.setListData(new_data);
+		source_list.setToolTipText(Dictionary.get("CDM.IndexManager.Source_Tooltip"));
+		source_list.addListSelectionListener(new SourceListListener());
+
+		JPanel button_pane = new JPanel();
+		button_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
+		button_pane.setComponentOrientation(Dictionary.getOrientation());
+                
+		button_pane.setLayout(new GridLayout(0,2,5,0));
+
+		if (existing_index != null) {
+		    add_or_replace_button = new GLIButton(Dictionary.get(nip_add_index_button_key), Dictionary.get(nip_replace_index_tooltip_key));
+		    add_or_replace_button.addActionListener(new ReplaceIndexListener());
+		} else {
+		    add_or_replace_button = new GLIButton(Dictionary.get(nip_add_index_button_key), Dictionary.get(nip_add_index_tooltip_key));
+		    add_or_replace_button.addActionListener(new AddIndexListener());
+		}
+
+		add_or_replace_button.addActionListener(CollectionDesignManager.buildcol_change_listener);
+		add_or_replace_button.setEnabled(false);
+		button_pane.add(add_or_replace_button);
+		
+		
+		// always have a cancel button
+		cancel_button = new GLIButton(Dictionary.get("General.Cancel"), Dictionary.get("General.Cancel"));
+		cancel_button.setEnabled(true);
+		cancel_button.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent event) {
+			    new_index_prompt.dispose();
+			}
+		    });
+		button_pane.add(cancel_button);
+
+		//Layout
+		details_pane.setLayout(new BorderLayout(10,10));
+		details_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
+		details_pane.add(new JScrollPane(source_list), BorderLayout.CENTER);
+
+		// if we are editing, fill in the controls
+		if (existing_index !=null) {
+		    ArrayList sources = existing_index.getSources();
+		    source_list.setTickedObjects(sources.toArray());
+		    source_list.setEnabled(true);
+		}
+		content_pane.setLayout(new BorderLayout());
+		content_pane.add(source_label, BorderLayout.NORTH);
+		content_pane.add(details_pane, BorderLayout.CENTER);
+		content_pane.add(button_pane, BorderLayout.SOUTH);
+	    
+		// Display on screen.
+		Dimension screen_size = Configuration.screen_size;
+		setLocation((screen_size.width - PROMPT_SIZE.width) / 2, (screen_size.height - PROMPT_SIZE.height) / 2);
+		screen_size = null;
+		setVisible(true);
+	    
+	    }
+
+	    /** Method which actually forces the dialog to be shown on screen.
+	     * @return <i>true</i> if the user completed configuration and pressed ok, <i>false</i> otherwise.
+	     */
+	    public boolean display() {
+		setVisible(true);
+		return true;
+		//    return success;
+	    }
+	
+	    public void destroy() {
+	    }
+
+	    // Checks that specified index not already in the collection
+	    private void validateAddOrReplaceButton() {
+		Index index;
+		ArrayList sources;
+		if (!source_list.isNothingTicked()) {
+		    sources = source_list.getTicked();
+		    index = createIndex(sources); 
+		} else {
+		    // nothing selected
+		    add_or_replace_button.setEnabled(false);
+		    return;
+		}
+		
+		sources = null;
+		if (index_model.contains(index)) {
+		    add_or_replace_button.setEnabled(false);
+		}
+		else {
+		    add_or_replace_button.setEnabled(true);
+		}
+		
+	    }
+
+	    private Index generateNewIndex() {
+		Index index = null;
+		ArrayList sources;
+
+		if (!source_list.isNothingTicked()) {
+		    sources = source_list.getTicked();
+		    index = createIndex(sources);
+		}
+		return index;
+	    }
+	    
+	    private CollectionMeta generateCollectionMeta(Index index) {
+		CollectionMeta metadatum = new CollectionMeta(StaticStrings.STOP_CHARACTER + index.getID());
+		if (use_macro_as_display_name(index.getID())) {
+		    metadatum.setValue(get_macro_name(index.getID()));
+		} else {
+		    metadatum.setValue(index.getID());
+		}
+		return metadatum;
+	    }
+	    
+	    private class AddIndexListener
+		implements ActionListener
+	    {
+		public void actionPerformed(ActionEvent event)
+		{
+		    Index index = generateNewIndex();
+		    if (index != null) {
+			
+			CollectionMeta metadatum = generateCollectionMeta(index);
+			// Add the index
+			addIndex(index, metadatum);
+			index_list.setSelectedValue(index, true);
+		    }
+		    new_index_prompt.dispose();		    
+		}
+	    }
+
+
+	    private class SourceListListener
+		implements ListSelectionListener {
+	    
+		public void valueChanged(ListSelectionEvent event) {
+		    if (event.getValueIsAdjusting()) {
+			return;
+		    }
+		    validateAddOrReplaceButton();
+		}
+	    }
+	
+
+	    private class ReplaceIndexListener
+		implements ActionListener {
+	    
+		public void actionPerformed(ActionEvent event)
+		{
+		    Index index = generateNewIndex();
+		    if (index != null) {
+			CollectionMeta metadatum = generateCollectionMeta(index);
+			// replace the index
+			replaceIndex((Index) index_list.getSelectedValue(), index, metadatum);
+			index_list.setSelectedValue(index, true);
+		    }
+		    new_index_prompt.dispose();
+		}
+	    }
+
+	    /**
+	     * If the index is built with DC metadata, use macro variable as the display text, 
+	     * so that translations of DC metadata can be displayed in the search field drop-down list 
+	     * when interface language changes.
+	     *   
+	     * @param index_id Current index id.
+	     * @return Whether macro variable should be used.
+	     */
+	    private boolean use_macro_as_display_name(String index_id) {
+		//String metaname = index_id;	
+		if (index_id.indexOf(":") != -1) {
+		    index_id = index_id.substring(index_id.indexOf(":") + 1);
+		}
+		
+		String field = null;
+		String[] fields = index_id.split(",");
+		for (int i = 0; i < fields.length; i++) {
+		    String s = fields[i];
+		    if (s.indexOf(".") != -1) {	  
+			s = s.substring(s.indexOf(".") + 1);
+		    }
+		    if (field == null) {
+			field = s;
+		    }
+		    else if (!field.equals(s)) {
+			return false;
+		    }
+		}
+				
+		field = field.toLowerCase();
+		if (field.equals("text") || field.equals("title") || field.equals("creator") || field.equals("subject") || 
+		    field.equals("description") || field.equals("publisher") || field.equals("contributor") || field.equals("date") || 
+		    field.equals("type") || field.equals("format") || field.equals("identifier") || field.equals("source") || 
+		    field.equals("language") || field.equals("relation") || field.equals("coverage") || field.equals("rights")) {			  
+		    return true;
+		}
+		
+		return false;
+	    }
+
+	    /**
+	     * Get the corresponding macro variable name, eg. _labelTitle_, _labelCreator_.
+	     *   
+	     * @param index_id Current index id.
+	     * @return Name of the macro variable.
+	     */
+	    private String get_macro_name(String index_id) {
+		if (index_id.indexOf(":") != -1) {
+		    index_id = index_id.substring(index_id.indexOf(":") + 1);
+		}
+		if (index_id.indexOf(",") != -1) {
+		    index_id = index_id.substring(0, index_id.indexOf(","));
+		}
+		if (index_id.indexOf(".") != -1) {	  
+		    index_id = index_id.substring(index_id.indexOf(".") + 1);
+		}	
+		
+		return "_label" + index_id + "_";		
+	    }
+	}
+    }
+}
Index: /main/trunk/gli/src/org/greenstone/gatherer/cdm/FacetManager.java
===================================================================
--- /main/trunk/gli/src/org/greenstone/gatherer/cdm/FacetManager.java	(revision 36150)
+++ /main/trunk/gli/src/org/greenstone/gatherer/cdm/FacetManager.java	(revision 36150)
@@ -0,0 +1,60 @@
+/**
+ *#########################################################################
+ *
+ * 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.
+ *
+ * Copyright (C) 2022 New Zealand Digital Library Project
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.cdm;
+
+import org.greenstone.gatherer.util.StaticStrings;
+import org.w3c.dom.*;
+
+/** Handles facets for solr collections */
+public class FacetManager extends BaseIndexManager {
+
+
+    public FacetManager(Element facets, String current_build_type) {
+	super(facets, current_build_type, StaticStrings.FACET_ELEMENT, null, new Facet());
+	this.controls_title_key = "CDM.FacetManager.Title";
+	this.new_button_tooltip_key = "CDM.FacetManager.New_Button_Tooltip";
+	this.edit_button_tooltip_key = "CDM.FacetManager.Edit_Button_Tooltip";
+	this.remove_button_tooltip_key = "CDM.FacetManager.Remove_Button_Tooltip";
+	this.nip_new_index_key = "CDM.FacetManager.New";
+	this.nip_edit_index_key = "CDM.FacetManager.Edit";
+	this.nip_source_label_key = "CDM.FacetManager.Source";
+	this.nip_add_index_button_key = "CDM.FacetManager.Add";
+	this.nip_add_index_tooltip_key = "CDM.FacetManager.Add_Tooltip";
+	this.nip_replace_index_button_key = "CDM.FacetManager.Replace"; 
+	this.nip_replace_index_tooltip_key = "CDM.FacetManager.Replace_Tooltip"; 
+
+    }
+
+    public void buildTypeChanged(String new_build_type) {
+	if (new_build_type.equals(BuildTypeManager.BUILD_TYPE_SOLR)) {
+	    // activate
+	    setAssigned(true);
+	} else {
+	    // deactivate
+	    setAssigned(false);
+	}
+    }
+
+}
Index: /main/trunk/gli/src/org/greenstone/gatherer/cdm/SortFieldManager.java
===================================================================
--- /main/trunk/gli/src/org/greenstone/gatherer/cdm/SortFieldManager.java	(revision 36150)
+++ /main/trunk/gli/src/org/greenstone/gatherer/cdm/SortFieldManager.java	(revision 36150)
@@ -0,0 +1,60 @@
+/**
+ *#########################################################################
+ *
+ * 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.
+ *
+ * Copyright (C) 2022 New Zealand Digital Library Project
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.cdm;
+
+import org.greenstone.gatherer.util.StaticStrings;
+import org.w3c.dom.*;
+
+/** handles sortfields for lucene and solr collections */
+public class SortFieldManager extends BaseIndexManager {
+
+    public SortFieldManager(Element sortfields, String current_build_type) {
+	super(sortfields, current_build_type, StaticStrings.SORT_ELEMENT, null, new SortField());
+	this.controls_title_key = "CDM.SortFieldManager.Title";
+	this.new_button_tooltip_key = "CDM.SortFieldManager.New_Button_Tooltip";
+	this.edit_button_tooltip_key = "CDM.SortFieldManager.Edit_Button_Tooltip";
+	this.remove_button_tooltip_key = "CDM.SortFieldManager.Remove_Button_Tooltip";
+
+	this.nip_new_index_key = "CDM.SortFieldManager.New";
+	this.nip_edit_index_key = "CDM.SortFieldManager.Edit";
+	this.nip_source_label_key = "CDM.SortFieldManager.Source";
+
+	this.nip_add_index_button_key = "CDM.SortFieldManager.Add";
+	this.nip_add_index_tooltip_key = "CDM.SortFieldManager.Add_Tooltip";
+	this.nip_replace_index_button_key = "CDM.SortFieldManager.Replace";
+	this.nip_replace_index_tooltip_key = "CDM.SortFieldManager.Replace_Tooltip";
+    }
+
+    public void buildTypeChanged(String new_build_type) {
+	if (new_build_type.equals(BuildTypeManager.BUILD_TYPE_SOLR)|| new_build_type.equals(BuildTypeManager.BUILD_TYPE_LUCENE)) {
+	    // activate
+	    setAssigned(true);
+	} else {
+	    // deactivate
+	    setAssigned(false);
+	}
+    }
+
+}
