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 | * <BR><BR>
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9 | *
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10 | * Author: John Thompson, Greenstone Digital Library, University of Waikato
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11 | *
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12 | * <BR><BR>
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13 | *
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14 | * Copyright (C) 1999 New Zealand Digital Library Project
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15 | *
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16 | * <BR><BR>
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17 | *
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18 | * This program is free software; you can redistribute it and/or modify
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19 | * it under the terms of the GNU General Public License as published by
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20 | * the Free Software Foundation; either version 2 of the License, or
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21 | * (at your option) any later version.
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22 | *
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23 | * <BR><BR>
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24 | *
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25 | * This program is distributed in the hope that it will be useful,
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26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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28 | * GNU General Public License for more details.
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29 | *
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30 | * <BR><BR>
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31 | *
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32 | * You should have received a copy of the GNU General Public License
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33 | * along with this program; if not, write to the Free Software
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34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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35 | *########################################################################
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36 | */
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37 | package org.greenstone.gatherer.gui.metaaudit;
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38 |
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39 | import de.qfs.lib.gui.*;
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40 | import java.awt.*;
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41 | import java.util.ArrayList;
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42 | import javax.swing.JTable;
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43 | import javax.swing.event.TableModelEvent;
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44 | import javax.swing.table.*;
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45 | import org.greenstone.gatherer.collection.CollectionTreeNode;
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46 | import org.greenstone.gatherer.metadata.MetadataAuditTableModel;
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47 |
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48 |
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49 | /**
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50 | * @author John Thompson, Greenstone Digital Library, University of Waikato
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51 | * @version 2.3
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52 | */
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53 | public class MetaAuditTable
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54 | extends JTable
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55 | implements TableModelSorterListener {
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56 |
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57 | private boolean initial_state;
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58 |
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59 | private Filter filter;
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60 |
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61 | private HeaderRenderer header_renderer;
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62 |
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63 | private MetaAuditFrame parent_frame;
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64 |
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65 | private MetaAuditRenderer cell_renderer;
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66 |
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67 | private MetadataAuditTableModel metadata_audit_table_model;
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68 |
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69 | private SortedTableHelper helper;
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70 |
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71 | static final private int MARGIN = 10;
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72 |
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73 | public MetaAuditTable(MetaAuditFrame parent_frame) {
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74 | super();
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75 | this.cell_renderer = new MetaAuditRenderer();
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76 | this.header_renderer = new HeaderRenderer();
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77 | this.parent_frame = parent_frame;
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78 | getTableHeader().addMouseListener(new HeaderListener(parent_frame, this));
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79 | setAutoResizeMode(AUTO_RESIZE_OFF);
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80 | }
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81 |
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82 | public Filter getFilter() {
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83 | return filter;
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84 | }
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85 |
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86 |
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87 | public MetadataAuditTableModel getOriginalModel()
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88 | {
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89 | return metadata_audit_table_model;
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90 | }
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91 |
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92 |
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93 | public TableModelSorter getSorter() {
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94 | return helper.getTableModelSorter();
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95 | }
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96 |
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97 | public boolean isFiltered(int column) {
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98 | if(filter == null) {
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99 | return false;
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100 | }
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101 | return filter.isFiltered(column);
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102 | }
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103 |
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104 | public void newModel(CollectionTreeNode records[]) {
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105 | if(records == null || records.length == 0) {
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106 | setModel(new DefaultTableModel());
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107 | return;
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108 | }
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109 | wait(true);
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110 | initial_state = true;
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111 | // System.err.println("Build new Model - should only be called once per click!");
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112 | metadata_audit_table_model = new MetadataAuditTableModel();
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113 | metadata_audit_table_model.rebuild(records);
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114 | setModel(metadata_audit_table_model);
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115 | filter = new Filter(metadata_audit_table_model.getColumnCount());
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116 | helper = new SortedTableHelper (this, filter, new DefaultTableModelSorter(), header_renderer, null);
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117 | helper.prepareTable();
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118 | // Add renderer to columns.
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119 | TableColumnModel column_model = getColumnModel();
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120 | for(int i = 0; i < column_model.getColumnCount(); i++) {
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121 | column_model.getColumn(i).setCellRenderer(cell_renderer);
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122 | column_model.getColumn(i).setHeaderRenderer(header_renderer);
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123 | }
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124 | wait(false);
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125 | initial_state = false;
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126 | }
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127 |
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128 | public void tableChanged(TableModelEvent e) {
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129 | wait(true);
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130 | super.tableChanged(e);
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131 |
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132 | // Create storage area
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133 | ArrayList heights[] = new ArrayList[dataModel.getRowCount()];
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134 | int widths_value[] = new int[dataModel.getColumnCount()];
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135 | ArrayList widths[] = new ArrayList[dataModel.getColumnCount()];
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136 |
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137 | // Iterate through cell values finding tallest and widest for each row and column respectively.
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138 | for (int j = 0; j < dataModel.getRowCount(); j++) {
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139 | for (int k = 0; k < dataModel.getColumnCount(); k++) {
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140 | Object object = dataModel.getValueAt(j, k);
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141 | if (object instanceof ArrayList) {
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142 | ArrayList data = (ArrayList) object;
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143 | if (heights[j] == null || data.size() > heights[j].size()) {
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144 | heights[j] = data;
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145 | }
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146 | String longest = "";
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147 | for (int i = 0; i < data.size(); i++) {
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148 | String temp = data.get(i).toString();
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149 | if (temp.length() > longest.length()) {
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150 | longest = temp;
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151 | }
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152 | }
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153 | if (widths[k] == null || longest.length() > widths_value[k]) {
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154 | widths_value[k] = longest.length();
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155 | widths[k] = data;
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156 | }
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157 | }
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158 | }
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159 | }
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160 |
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161 | // Now assign the dimensions we have determined to be the largest.
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162 | for (int l = 0; l < heights.length; l++) {
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163 | if (heights[l] != null) {
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164 | Component component = cell_renderer.getTableCellRendererComponent(this, heights[l], false, false, 0, 0);
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165 | Dimension size = component.getPreferredSize();
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166 | setRowHeight(l, size.height);
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167 | }
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168 | }
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169 | for (int m = 0; m < widths.length; m++) {
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170 | if (widths[m] != null) {
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171 | Component component = cell_renderer.getTableCellRendererComponent(this, widths[m], false, false, 0, 0);
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172 | Dimension size = component.getPreferredSize();
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173 | int width = size.width + MARGIN;
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174 | if (width > (2 * parent_frame.getSize().width) / 3) {
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175 | width = (2 * parent_frame.getSize().width) / 3;
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176 | }
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177 |
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178 | Component header = header_renderer.getTableCellRendererComponent(this, dataModel.getColumnName(m), false, false, 0, 0);
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179 | if (header.getPreferredSize().width + MARGIN > width) {
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180 | width = header.getPreferredSize().width + MARGIN;
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181 | }
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182 | columnModel.getColumn(m).setPreferredWidth(width);
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183 | }
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184 | }
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185 |
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186 | wait(initial_state);
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187 | }
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188 |
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189 |
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190 | public void sortOrderChanged(TableModelSorterEvent event) {
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191 | }
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192 |
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193 | private void wait(boolean waiting) {
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194 | if(parent_frame != null) {
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195 | parent_frame.wait(waiting);
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196 | }
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197 | }
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198 | }
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