1 | /**
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2 | *#########################################################################
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3 | *
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4 | * A component of the Gatherer application, part of the Greenstone digital
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5 | * library suite from the New Zealand Digital Library Project at the
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6 | * University of Waikato, New Zealand.
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7 | *
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8 | * Copyright (C) 2006 New Zealand Digital Library Project
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *########################################################################
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24 | */
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25 | package org.greenstone.gatherer.cdm;
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26 |
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27 | import java.awt.*;
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28 | import java.awt.event.*;
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29 | import javax.swing.*;
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30 | import javax.swing.table.*;
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31 | import java.util.ArrayList;
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32 |
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33 | import org.greenstone.gatherer.Configuration;
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34 | import org.greenstone.gatherer.Dictionary;
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35 | import org.greenstone.gatherer.Gatherer;
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36 | import org.greenstone.gatherer.gui.DesignPaneHeader;
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37 | import org.greenstone.gatherer.util.StaticStrings;
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38 |
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39 |
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40 | public class SearchMetadataManager
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41 | {
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42 | private Control controls;
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43 |
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44 | public static final String TYPE_INDEX = "index";
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45 | public static final String TYPE_LEVEL = "level";
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46 | public static final String TYPE_PARTITION = "partition";
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47 | public static final String TYPE_LANGUAGE = "language";
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48 |
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49 | // the following are special and should not be translated
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50 | public static final String METADATA_INDEX = "ex.metadata";
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51 |
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52 | CollectionMetaManager collmeta_manager = CollectionDesignManager.collectionmeta_manager;
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53 |
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54 | public SearchMetadataManager() {
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55 | }
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56 |
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57 | /** Destructor. */
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58 | public void destroy() {
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59 | if (controls != null) {
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60 | controls.destroy();
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61 | controls = null;
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62 | }
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63 | }
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64 |
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65 | public void loseFocus() {
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66 | }
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67 |
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68 | public void gainFocus() {
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69 | }
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70 |
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71 | public Control getControls() {
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72 | if (controls == null) {
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73 | controls = new DisplayControl();
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74 | }
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75 | return controls;
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76 | }
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77 |
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78 |
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79 | /** Called when the detail mode has changed which in turn may cause several design elements to be available/hidden
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80 | * @param mode the new mode as an int
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81 | */
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82 | public void modeChanged(int mode) {
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83 | }
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84 |
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85 | private class DisplayControl
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86 | extends JPanel
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87 | implements Control {
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88 |
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89 | private SearchMetadataTable metadata_table = null;
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90 |
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91 | public DisplayControl() {
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92 | super();
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93 | this.setComponentOrientation(Dictionary.getOrientation());
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94 | JPanel header_panel = new DesignPaneHeader("CDM.GUI.SearchMetadata", "searchmetadatasettings");
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95 |
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96 | metadata_table = new SearchMetadataTable();
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97 |
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98 | JScrollPane scroll_panel = new JScrollPane(metadata_table);
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99 | scroll_panel.getViewport().setBackground(Configuration.getColor("coloring.collection_tree_background", false));
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100 | scroll_panel.setOpaque(true);
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101 |
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102 | JPanel metadata_table_pane = new JPanel();
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103 | metadata_table_pane.setComponentOrientation(Dictionary.getOrientation());
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104 | metadata_table_pane.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
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105 | metadata_table_pane.setLayout(new BorderLayout());
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106 | metadata_table_pane.add(scroll_panel, BorderLayout.CENTER);
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107 |
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108 | setBorder(BorderFactory.createEmptyBorder(0,5,0,0));
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109 | setLayout(new BorderLayout());
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110 | add(header_panel, BorderLayout.NORTH);
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111 | add(metadata_table_pane, BorderLayout.CENTER);
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112 | }
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113 |
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114 | public void loseFocus(){
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115 | // save the last metadata in case its still editing
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116 | metadata_table.stopEditing();
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117 | }
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118 |
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119 |
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120 | public void gainFocus(){
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121 | // refresh the model as we may have changed indexes in the meantime
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122 | metadata_table.refreshModel();
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123 | }
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124 |
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125 | public void destroy() {}
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126 | }
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127 |
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128 | private ArrayList getEntries() {
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129 | ArrayList entries = new ArrayList();
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130 |
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131 | ArrayList indexes = CollectionDesignManager.index_manager.getIndexes();
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132 | if (indexes != null) {
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133 | int indexes_size = indexes.size();
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134 | for (int i=0; i<indexes_size; i++) {
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135 | String index_id = ((Index)indexes.get(i)).getID();
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136 | if (!index_id.equals(METADATA_INDEX)) {
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137 | SearchMetadataEntry sme = new SearchMetadataEntry(index_id, TYPE_INDEX);
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138 | entries.add(sme);
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139 | }
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140 | }
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141 | }
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142 | ArrayList levels = CollectionDesignManager.index_manager.getLevels();
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143 | if (levels != null) {
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144 | int levels_size = levels.size();
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145 | for (int i=0; i<levels_size; i++) {
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146 | SearchMetadataEntry sme = new SearchMetadataEntry(((IndexOption)levels.get(i)).getName(), TYPE_LEVEL);
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147 | entries.add(sme);
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148 | }
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149 | }
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150 |
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151 | ArrayList partitions = CollectionDesignManager.subcollectionindex_manager.getSubcollectionIndexes();
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152 | if (partitions != null) {
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153 | int partitions_size = partitions.size();
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154 | for(int i=0; i<partitions_size; i++) {
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155 | SearchMetadataEntry sme = new SearchMetadataEntry(((SubcollectionIndex)partitions.get(i)).getID(), TYPE_PARTITION);
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156 | entries.add(sme);
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157 | }
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158 | }
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159 |
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160 | ArrayList languages = CollectionDesignManager.language_manager.getLanguages();
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161 | if (languages != null) {
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162 | int languages_size = languages.size();
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163 | for (int i=0; i<languages_size; i++) {
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164 | SearchMetadataEntry sme = new SearchMetadataEntry(((Language)languages.get(i)).getCode(), TYPE_LANGUAGE);
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165 | entries.add(sme);
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166 | }
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167 | }
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168 | return entries;
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169 | }
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170 |
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171 |
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172 | private class SearchMetadataEntry {
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173 |
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174 | String id;
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175 | String type;
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176 | CollectionMeta coll_meta = null;
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177 | String value;
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178 |
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179 | public SearchMetadataEntry(String id, String type) {
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180 | this.id = id;
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181 | this.type = type;
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182 | coll_meta = collmeta_manager.getMetadatum(getMetaID());
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183 | value = coll_meta.getValue(CollectionMeta.GREENSTONE);
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184 | }
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185 |
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186 | public String toString() {
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187 | return Dictionary.get("CDM.SearchMetadataManager.Type_"+type)+": "+id;
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188 | }
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189 |
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190 | public String getMetaID() {
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191 | if (Gatherer.GS3) {
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192 | // we don't use any dots in gs3
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193 | return id;
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194 | }
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195 | return StaticStrings.STOP_CHARACTER+id;
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196 |
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197 | }
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198 | public String getValue() {
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199 | return value;
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200 | }
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201 | public void setValue(String val) {
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202 | coll_meta.setValue(val);
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203 | value = val;
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204 | }
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205 | }
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206 |
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207 | private class SearchMetadataTable
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208 | extends JTable {
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209 |
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210 | private SearchMetadataTableModel model = null;
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211 |
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212 | public SearchMetadataTable() {
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213 | // create the model
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214 | this.setComponentOrientation(Dictionary.getOrientation());
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215 |
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216 | model = new SearchMetadataTableModel();
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217 | setModel(model);
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218 |
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219 | setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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220 |
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221 | // set our own cell renderer
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222 | TableColumnModel column_model = getColumnModel();
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223 | TableColumn name_column = column_model.getColumn(0);
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224 | TableColumn value_column = column_model.getColumn(1);
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225 |
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226 | SearchMetadataTableCellRenderer cell_renderer = new SearchMetadataTableCellRenderer();
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227 | name_column.setCellRenderer(cell_renderer);
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228 | value_column.setCellRenderer(cell_renderer);
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229 | }
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230 |
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231 | public void refreshModel() {
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232 | model.refresh();
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233 | }
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234 |
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235 | public void stopEditing() {
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236 | // Save the current value in the text field, then remove the editor so it doesn't get saved again
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237 | TableCellEditor table_cell_editor = getCellEditor();
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238 | if (table_cell_editor != null) {
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239 | table_cell_editor.stopCellEditing();
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240 | }
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241 | }
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242 | }
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243 |
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244 | private class SearchMetadataTableModel
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245 | extends AbstractTableModel {
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246 |
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247 | // the list of items in the table
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248 | private ArrayList search_metadata_entries = null;
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249 |
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250 | final private String[] COLUMN_NAMES = {Dictionary.get("CDM.SearchMetadataManager.Component"), Dictionary.get("CDM.SearchMetadataManager.Component_Name")};
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251 |
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252 | public SearchMetadataTableModel() {
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253 | refresh();
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254 | }
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255 |
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256 | /** Returns the number of columns in this table. */
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257 | public int getColumnCount() {
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258 |
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259 | return COLUMN_NAMES.length;
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260 | }
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261 |
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262 | /** Retrieves the name of the specified column. */
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263 | public String getColumnName(int col) {
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264 |
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265 | return COLUMN_NAMES[col];
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266 | }
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267 |
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268 | /** Returns the number of rows in this table. */
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269 | public int getRowCount() {
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270 |
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271 | return search_metadata_entries.size();
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272 | }
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273 |
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274 | /** Returns the cell value at a given row and column as an Object. */
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275 | public Object getValueAt(int row, int col) {
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276 | // Check values are reasonable
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277 | if (row < 0 || row >= search_metadata_entries.size() || col < 0 || col >= COLUMN_NAMES.length) {
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278 | return null;
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279 | }
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280 |
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281 | SearchMetadataEntry sme = (SearchMetadataEntry) search_metadata_entries.get(row);
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282 | if (col == 0) {
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283 | return sme.toString();
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284 | }
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285 | if (col == 1) {
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286 | return sme.getValue();
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287 | }
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288 | return null;
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289 | }
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290 |
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291 | public boolean isCellEditable(int row, int col) {
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292 | if (col == 1) {
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293 | return true;
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294 | }
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295 | return false;
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296 | }
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297 |
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298 | public void refresh() {
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299 | search_metadata_entries = getEntries();
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300 |
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301 | }
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302 |
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303 | public void setValueAt(Object new_value, int row, int col) {
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304 | SearchMetadataEntry sme = (SearchMetadataEntry) search_metadata_entries.get(row);
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305 | String old_value = sme.getValue();
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306 | if (!new_value.equals(old_value)) {
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307 | sme.setValue((String)new_value);
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308 |
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309 | }
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310 |
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311 | }
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312 |
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313 | }
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314 | private static class SearchMetadataTableCellRenderer
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315 | extends DefaultTableCellRenderer {
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316 |
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317 | public void setValue(Object value) {
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318 |
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319 | setText((String)value);
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320 | }
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321 | /** Returns the default table cell renderer.
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322 | * @param table The <strong>JTable</strong>.
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323 | * @param value The value to assign to the cell at [row, column] as an <strong>Object</strong>.
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324 | * @param isSelected <i>true</i> if cell is selected.
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325 | * @param hasFocus <i>true</i> if cell has focus.
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326 | * @param row The row of the cell to render as an <i>int</i>.
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327 | * @param column The column of the cell to render as an <i>int</i>.
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328 | * @return The default table cell renderer <strong>Component</strong>.
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329 | */
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330 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
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331 | JComponent component = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
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332 |
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333 | // real_column is the column in the model, column is the column in the table - may be different if the user has moved the columns around
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334 | int real_column = table.convertColumnIndexToModel(column);
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335 | if (real_column == 1 && isSelected) {
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336 | table.editCellAt(row, column);
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337 | if (table.isEditing()) {
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338 | table.getEditorComponent().requestFocus();
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339 | }
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340 | }
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341 |
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342 | // so we can see the background colour
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343 | component.setOpaque(true);
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344 |
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345 | // Background
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346 | if (isSelected) {
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347 | component.setBackground(Configuration.getColor("coloring.workspace_heading_background", true));
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348 | }
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349 | else {
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350 | if (real_column == 0) {
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351 | component.setBackground(Configuration.getColor("coloring.collection_heading_background", true));
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352 | }
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353 | else {
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354 | component.setBackground(Configuration.getColor("coloring.collection_tree_background", true));
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355 | }
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356 | }
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357 |
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358 | // The value column of cells never paints focus
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359 | if (real_column == 1) {
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360 | component.setBorder(BorderFactory.createEmptyBorder(0,2,0,0));
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361 | }
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362 |
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363 | return component;
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364 | }
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365 |
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366 | }
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367 |
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368 | }
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