[22970] | 1 | package org.greenstone.gatherer.cdm;
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| 2 |
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| 3 | import java.awt.*;
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| 4 | import java.awt.event.*;
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| 5 | import javax.swing.*;
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| 6 | import java.util.EventListener;
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| 7 | import javax.swing.event.EventListenerList;
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| 8 |
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| 9 | import org.greenstone.gatherer.Configuration;
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| 10 | import org.greenstone.gatherer.Dictionary;
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| 11 | import org.greenstone.gatherer.Gatherer;
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| 12 | import org.greenstone.gatherer.gui.GLIButton;
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| 13 | import org.greenstone.gatherer.gui.ModalDialog;
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| 14 |
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| 15 | public class DatabaseTypeManager {
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| 16 |
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| 17 | /** The size of this new collection dialog box. */
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| 18 | static private Dimension DIALOG_SIZE = new Dimension(600, 280);
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| 19 |
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| 20 | static final public String DATABASE_TYPE_GDBM = "gdbm";
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| 21 | static final public String DATABASE_TYPE_JDBM = "jdbm";
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| 22 | static final public String DATABASE_TYPE_SQLITE = "sqlite";
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| 23 |
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| 24 | static final public String DATABASE_TYPE_GDBM_STR = "GDBM";
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| 25 | static final public String DATABASE_TYPE_JDBM_STR = "JDBM";
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| 26 | static final public String DATABASE_TYPE_SQLITE_STR = "SQLITE";
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| 27 |
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| 28 | static final public String[] DATABASE_TYPES = { DATABASE_TYPE_GDBM, DATABASE_TYPE_JDBM, DATABASE_TYPE_SQLITE };
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| 29 |
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| 30 | private EventListenerList listeners = null;
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| 31 | /** the databasetype element in the config file - uses CollectionMeta */
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| 32 | public CollectionMeta database_type_meta = null;
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| 33 | private Control controls = null;
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| 34 |
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| 35 | protected DatabaseTypeManager manager = null;
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| 36 | public DatabaseTypeManager() {
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| 37 | database_type_meta = new CollectionMeta(CollectionDesignManager.collect_config.getDatabaseType());
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| 38 | if (getDatabaseType().equals("")) {
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| 39 | database_type_meta.setValue(DATABASE_TYPE_GDBM);
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| 40 | // must have an old collection, assume MG
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| 41 | }
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| 42 | listeners = new EventListenerList();
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| 43 | manager = this;
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| 44 | }
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| 45 |
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| 46 | public void addDatabaseTypeListener(DatabaseTypeListener listener) {
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| 47 | listeners.add(DatabaseTypeListener.class, listener);
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| 48 | }
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| 49 |
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| 50 | protected void notifyListeners(String new_database_type) {
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| 51 | Object[] concerned = listeners.getListenerList();
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| 52 | for(int i = 0; i < concerned.length ; i++) {
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| 53 | if(concerned[i] == DatabaseTypeListener.class) {
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| 54 | ((DatabaseTypeListener)concerned[i+1]).databaseTypeChanged(new_database_type);
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| 55 | }
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| 56 | }
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| 57 | concerned = null;
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| 58 | }
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| 59 |
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| 60 |
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| 61 | public void promptForNewDatabaseType() {
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| 62 |
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| 63 | DatabaseTypePrompt dtp = new DatabaseTypePrompt(database_type_meta.getValue(CollectionMeta.TEXT));
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| 64 | }
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| 65 |
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| 66 | public boolean isGDBM () {
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| 67 |
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| 68 | return getDatabaseType().equals(DATABASE_TYPE_GDBM);
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| 69 | }
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| 70 | public boolean isJDBM () {
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| 71 |
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| 72 | return getDatabaseType().equals(DATABASE_TYPE_JDBM);
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| 73 | }
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| 74 | public boolean isSQLITE () {
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| 75 |
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| 76 | return getDatabaseType().equals(DATABASE_TYPE_SQLITE);
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| 77 | }
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| 78 |
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| 79 |
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| 80 | public String getDatabaseType() {
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| 81 | return database_type_meta.getValue(CollectionMeta.TEXT);
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| 82 | }
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| 83 |
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| 84 | public Control getControls() {
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| 85 | if (controls == null) {
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| 86 | controls = new DatabaseTypeControl();
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| 87 | }
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| 88 | return controls;
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| 89 | }
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| 90 |
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| 91 | public interface DatabaseTypeListener
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| 92 | extends EventListener {
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| 93 | public void databaseTypeChanged(String new_database_type);
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| 94 | }
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| 95 |
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| 96 | private class DatabaseTypeControl
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| 97 | extends JPanel
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| 98 | implements Control, DatabaseTypeListener {
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| 99 |
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| 100 | JLabel label = null;
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| 101 | JButton change_button = null;
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| 102 |
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| 103 | public DatabaseTypeControl() {
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| 104 | super();
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| 105 | this.setComponentOrientation(Dictionary.getOrientation());
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| 106 |
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| 107 | JPanel spacer_panel = new JPanel();
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| 108 | spacer_panel.setComponentOrientation(Dictionary.getOrientation());
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| 109 |
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| 110 | JPanel main_panel = new JPanel();
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| 111 | main_panel.setComponentOrientation(Dictionary.getOrientation());
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| 112 | /* may be CDM.DatabaseTypeManager.gdbm, CDM.DatabaseTypeManager.jdbm, CDM.DatabaseTypeManager.sqlite */
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| 113 | label = new JLabel(Dictionary.get("CDM.DatabaseTypeManager.Current_Type", getDatabaseTypeString(getDatabaseType())));
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| 114 | label.setComponentOrientation(Dictionary.getOrientation());
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| 115 |
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| 116 | change_button = new GLIButton(Dictionary.get("CDM.DatabaseTypeManager.Change"), Dictionary.get("CDM.DatabaseTypeManager.Change_Tooltip"));
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| 117 |
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| 118 | change_button.addActionListener(new ActionListener() {
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| 119 | public void actionPerformed(ActionEvent event) {
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| 120 | promptForNewDatabaseType();
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| 121 | }
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| 122 | });
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| 123 |
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| 124 | main_panel.setLayout(new BorderLayout(10,10));
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| 125 | main_panel.add(label, BorderLayout.CENTER);
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| 126 | main_panel.add(change_button, BorderLayout.LINE_END);
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| 127 |
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| 128 | setBorder(BorderFactory.createEmptyBorder(0,5,0,0));
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| 129 | setLayout(new BorderLayout());
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| 130 | add(spacer_panel, BorderLayout.CENTER);
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| 131 | add(main_panel, BorderLayout.LINE_END);
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| 132 |
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| 133 | manager.addDatabaseTypeListener(this);
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| 134 | }
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| 135 |
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| 136 | public void loseFocus() {}
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| 137 | public void gainFocus() {}
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| 138 | public void destroy() {}
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| 139 |
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| 140 | private String getDatabaseTypeString(String database_type) {
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| 141 | if (database_type.equals(DATABASE_TYPE_GDBM)) {
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| 142 | return DATABASE_TYPE_GDBM_STR;
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| 143 | }
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| 144 | if (database_type.equals(DATABASE_TYPE_JDBM)) {
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| 145 | return DATABASE_TYPE_JDBM_STR;
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| 146 | }
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| 147 | if (database_type.equals(DATABASE_TYPE_SQLITE)) {
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| 148 | return DATABASE_TYPE_SQLITE_STR;
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| 149 | }
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| 150 | return "";
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| 151 | }
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| 152 |
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| 153 |
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| 154 | public void databaseTypeChanged(String new_database_type) {
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| 155 | label.setText(Dictionary.get("CDM.DatabaseTypeManager.Current_Type", getDatabaseTypeString(new_database_type)));
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| 156 | }
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| 157 | }
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| 158 |
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| 159 | private class DatabaseTypePrompt
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| 160 | extends ModalDialog {
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| 161 |
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| 162 | private JDialog self;
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| 163 |
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| 164 | private JRadioButton gdbm_button = null;
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| 165 | private JRadioButton jdbm_button = null;
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| 166 | private JRadioButton sqlite_button = null;
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| 167 |
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| 168 | private JTextArea description_textarea = null;
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| 169 |
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| 170 | JButton ok_button = null;
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| 171 | JButton cancel_button = null;
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| 172 |
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| 173 | public DatabaseTypePrompt(String current_database_type) {
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| 174 | super(Gatherer.g_man, true);
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| 175 | this.self = this;
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| 176 | setSize(DIALOG_SIZE);
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| 177 | setTitle(Dictionary.get("CDM.DatabaseTypeManager.Title"));
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| 178 | this.setComponentOrientation(Dictionary.getOrientation());
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| 179 | gdbm_button = new JRadioButton(DATABASE_TYPE_GDBM_STR);
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| 180 | gdbm_button.setComponentOrientation(Dictionary.getOrientation());
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| 181 | gdbm_button.setActionCommand(DATABASE_TYPE_GDBM);
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| 182 | jdbm_button = new JRadioButton(DATABASE_TYPE_JDBM_STR);
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| 183 | jdbm_button.setComponentOrientation(Dictionary.getOrientation());
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| 184 | jdbm_button.setActionCommand(DATABASE_TYPE_JDBM);
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| 185 | sqlite_button = new JRadioButton(DATABASE_TYPE_SQLITE_STR);
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| 186 | sqlite_button.setComponentOrientation(Dictionary.getOrientation());
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| 187 | sqlite_button.setActionCommand(DATABASE_TYPE_SQLITE);
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| 188 |
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| 189 | DatabaseTypeButtonListener dtbl = new DatabaseTypeButtonListener();
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| 190 | gdbm_button.addActionListener(dtbl);
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| 191 | jdbm_button.addActionListener(dtbl);
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| 192 | sqlite_button.addActionListener(dtbl);
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| 193 |
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| 194 | ButtonGroup database_type_group = new ButtonGroup();
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| 195 | database_type_group.add(gdbm_button);
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| 196 | database_type_group.add(jdbm_button);
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| 197 | database_type_group.add(sqlite_button);
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| 198 |
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| 199 | if (current_database_type != null) {
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| 200 | if (current_database_type.equals(DATABASE_TYPE_GDBM)) {
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| 201 | gdbm_button.setSelected(true);
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| 202 | } else if (current_database_type.equals(DATABASE_TYPE_JDBM)) {
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| 203 | jdbm_button.setSelected(true);
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| 204 | } else if (current_database_type.equals(DATABASE_TYPE_SQLITE)) {
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| 205 | sqlite_button.setSelected(true);
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| 206 | }
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| 207 | }
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| 208 |
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| 209 | JPanel radio_pane = new JPanel();
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| 210 | radio_pane.setLayout(new GridLayout(3,1));
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| 211 | radio_pane.add(gdbm_button);
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| 212 | radio_pane.add(jdbm_button);
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| 213 | radio_pane.add(sqlite_button);
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| 214 | radio_pane.setComponentOrientation(Dictionary.getOrientation());
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| 215 |
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| 216 | description_textarea = new JTextArea();
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| 217 | description_textarea.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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| 218 | /* may be CDM.DatabaseTypeManager.gdbm_Description, CDM.DatabaseTypeManager.jdbm_Description, CDM.DatabaseTypeManager.sqlite_Description */
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| 219 | description_textarea.setText(Dictionary.get("CDM.DatabaseTypeManager."+current_database_type+"_Description"));
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| 220 | description_textarea.setLineWrap(true);
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| 221 | description_textarea.setWrapStyleWord(true);
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| 222 | description_textarea.setComponentOrientation(Dictionary.getOrientation());
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| 223 |
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| 224 | cancel_button = new GLIButton(Dictionary.get("General.Cancel"), Dictionary.get("General.Cancel_Tooltip"));
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| 225 |
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| 226 | cancel_button.addActionListener(new ActionListener() {
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| 227 | public void actionPerformed(ActionEvent event) {
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| 228 | self.dispose();
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| 229 | }
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| 230 | });
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| 231 |
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| 232 | ok_button = new GLIButton(Dictionary.get("General.OK"), Dictionary.get("General.OK_Tooltip"));
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| 233 |
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| 234 | ok_button.addActionListener(new ActionListener() {
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| 235 | public void actionPerformed(ActionEvent event) {
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| 236 | String new_database_type = DATABASE_TYPE_GDBM;
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| 237 | if (gdbm_button.isSelected()) {
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| 238 | new_database_type = DATABASE_TYPE_GDBM;
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| 239 | } else if (jdbm_button.isSelected()) {
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| 240 | new_database_type = DATABASE_TYPE_JDBM;
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| 241 | } else if (sqlite_button.isSelected()) {
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| 242 | new_database_type = DATABASE_TYPE_SQLITE;
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| 243 | }
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| 244 | if (!database_type_meta.getValue(CollectionMeta.TEXT).equals(new_database_type)) {
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| 245 | manager.notifyListeners(new_database_type);
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| 246 | database_type_meta.setValue(new_database_type);
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| 247 | }
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| 248 | self.dispose();
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| 249 | }
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| 250 | });
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| 251 | // tell the CDM that we have (possibly) changed
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| 252 | ok_button.addActionListener(CollectionDesignManager.databasecol_change_listener);
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| 253 | JPanel button_pane = new JPanel();
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| 254 | button_pane.setLayout(new GridLayout(1,2));
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| 255 | button_pane.add(ok_button);
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| 256 | button_pane.add(cancel_button);
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| 257 | button_pane.setComponentOrientation(Dictionary.getOrientation());
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| 258 |
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| 259 | JPanel content_pane = (JPanel) getContentPane();
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| 260 | content_pane.setOpaque(true);
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| 261 | content_pane.setLayout(new BorderLayout());
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| 262 | content_pane.add(radio_pane, BorderLayout.NORTH);
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| 263 | content_pane.add(new JScrollPane(description_textarea), BorderLayout.CENTER);
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| 264 | content_pane.add(button_pane, BorderLayout.SOUTH);
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| 265 | content_pane.setComponentOrientation(Dictionary.getOrientation());
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| 266 |
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| 267 | // Center and display.
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| 268 | Dimension screen_size = Configuration.screen_size;
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| 269 | this.setLocation((screen_size.width - DIALOG_SIZE.width) / 2, (screen_size.height - DIALOG_SIZE.height) / 2);
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| 270 | this.setVisible(true); // blocks until the dialog is killed
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| 271 |
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| 272 | }
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| 273 |
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| 274 | public void loseFocus() {
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| 275 |
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| 276 | }
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| 277 | public void gainFocus() {
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| 278 |
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| 279 | }
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| 280 | public void destroy() {
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| 281 |
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| 282 | }
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| 283 |
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| 284 | private class DatabaseTypeButtonListener
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| 285 | implements ActionListener {
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| 286 |
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| 287 | public void actionPerformed(ActionEvent event) {
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| 288 | description_textarea.setText(Dictionary.get("CDM.DatabaseTypeManager."+event.getActionCommand()+"_Description"));
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| 289 | }
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| 290 | }
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| 291 | }
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| 292 | }
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