source: main/trunk/gli/src/org/greenstone/gatherer/cdm/IndexingManager.java@ 36153

/**
 *#########################################################################
 *
 * 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.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.StaticStrings;


/** This class is responsible for coordinating the IndexManager and IndexOptionManager (controls levels, stem options etc) and BuildTypeManager into one panel  
 * @author John Thompson, Greenstone Digital Library, University of Waikato
 * @version 2.3
 */
public class IndexingManager {

    private IndexOptionManager option_manager = null;
    private SearchIndexManager index_manager = null;
    private BuildTypeManager build_type_manager = null;
    private SortFieldManager sortfield_manager = null;
    private FacetManager facet_manager = null;

    private String build_type = null;

    private Control controls = null;

    public IndexingManager()
    {
    build_type_manager = new BuildTypeManager();
    build_type = build_type_manager.getBuildType();
    option_manager = new IndexOptionManager(build_type);
    if (isMG()) {
        index_manager = new SearchIndexManager(CollectionDesignManager.collect_config.getMGIndexes(), build_type);
    } else {
        index_manager = new SearchIndexManager(CollectionDesignManager.collect_config.getMGPPIndexes(), build_type);
    }
    // we always create the managers, but only display the controls if we
    // are Lucene/SOLR
    sortfield_manager = new SortFieldManager(CollectionDesignManager.collect_config.getSorts(), build_type);
    facet_manager = new FacetManager(CollectionDesignManager.collect_config.getFacets(), build_type);

    }
    public boolean isMGPP() {
    return build_type_manager.isMGPP();
    }

    public boolean isLucene() {
    return build_type_manager.isLucene();
    }

    public boolean isMG() {
    return build_type_manager.isMG();
    }

    public boolean isSOLR() {
    return build_type_manager.isSOLR();
    }

    public int getNumLevels() {
    return option_manager.getNumLevels();
    }

    public int getNumIndexes() {
    return index_manager.getSize();
    }

    public ArrayList getIndexes() {
    return index_manager.getIndexes();
    }

    public ArrayList getLevels() {
      if (!isMG()) {
        return option_manager.getLevels();
    }
    return null;
    }

    public Control getControls() {
    if (controls == null) {
        controls = new IndexingControl();
    }
    return controls;
    }

    public void destroy() {

    }

    /** 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 class IndexingControl
    extends JPanel
    implements Control, BuildTypeManager.BuildTypeListener
    {
    JPanel main_index_pane = null;
    JPanel index_options_panel = null;

    JPanel index_sort_facet_panel = null;
    // these get added/removed depending on indexer in use
    private JPanel sortfield_panel = null;
    private JPanel facet_panel = null;

    public IndexingControl() {
        super();
            this.setComponentOrientation(Dictionary.getOrientation());
        // Creation
        JPanel header_pane = new DesignPaneHeader("CDM.GUI.Indexes", "searchindexes");     
        
        JPanel build_type_panel = (JPanel)build_type_manager.getControls();
        index_options_panel = (JPanel)option_manager.getControls();

        index_sort_facet_panel = new JPanel();
        
        index_sort_facet_panel.setLayout(new GridLayout(0,1));
        JPanel index_panel = (JPanel)index_manager.getControls(); 
        index_sort_facet_panel.add(index_panel);
        if (isLucene() || isSOLR() ) {
        sortfield_panel = (JPanel)sortfield_manager.getControls();
        index_sort_facet_panel.add(sortfield_panel);
        }
        if (isSOLR()) {
        facet_panel = (JPanel)facet_manager.getControls();
        index_sort_facet_panel.add(facet_panel);
            }
        main_index_pane = new JPanel();
        main_index_pane.setLayout(new BorderLayout());
        main_index_pane.add(build_type_panel, BorderLayout.NORTH);
        main_index_pane.add(index_sort_facet_panel, BorderLayout.CENTER);
        main_index_pane.add(index_options_panel, BorderLayout.SOUTH);
        main_index_pane.setComponentOrientation(Dictionary.getOrientation());
            
        setBorder(BorderFactory.createEmptyBorder(0,5,0,0));
        setLayout(new BorderLayout());
        add(header_pane, BorderLayout.NORTH);
        add(main_index_pane, BorderLayout.CENTER);

        build_type_manager.addBuildTypeListener(this);
        build_type_manager.addBuildTypeListener(index_manager);
        build_type_manager.addBuildTypeListener(sortfield_manager);
        build_type_manager.addBuildTypeListener(facet_manager);
        build_type_manager.addBuildTypeListener(option_manager);
    }

    public void loseFocus() {}
    public void gainFocus() {}
    public void destroy() {}

    public void buildTypeChanged(String new_build_type)
    {
        if (build_type.equals(new_build_type)) {
        // shouldn't happen
        return;
        }
        if (hasSorts(new_build_type) && !hasSorts(build_type)) {
        sortfield_panel = (JPanel)sortfield_manager.getControls();
        index_sort_facet_panel.add(sortfield_panel);
        // add sort panel
        }
        if (hasSorts(build_type) && ! hasSorts(new_build_type)) {
        // remove sort panel
        index_sort_facet_panel.remove(sortfield_panel);
        } 
        if (hasFacets(new_build_type) && ! hasFacets(build_type)) {
        // add facet
        facet_panel = (JPanel)facet_manager.getControls();
        index_sort_facet_panel.add(facet_panel);
        } 
        if (hasFacets(build_type) && ! hasFacets(new_build_type)) {
        // remove facet pane
        index_sort_facet_panel.remove(facet_panel);
        }
        build_type = new_build_type;
    }

    private boolean hasSorts(String build_type) {
        return build_type.equals(BuildTypeManager.BUILD_TYPE_LUCENE) || build_type.equals(BuildTypeManager.BUILD_TYPE_SOLR);
    }
    private boolean hasFacets(String build_type) {
        return build_type.equals(BuildTypeManager.BUILD_TYPE_SOLR);

    }

    }
}