1 | package org.greenstone.gatherer.gui;
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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 java.io.*;
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6 | import java.util.*;
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7 | import javax.swing.*;
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8 | import javax.swing.event.*;
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9 | import org.greenstone.gatherer.Gatherer;
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10 | import org.greenstone.gatherer.checklist.CheckList;
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11 | import org.greenstone.gatherer.checklist.Entry;
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12 | import org.greenstone.gatherer.gui.GUIManager;
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13 | import org.greenstone.gatherer.gui.SimpleMenuBar;
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14 | import org.greenstone.gatherer.cdm.ElementWrapper;
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15 | import org.greenstone.gatherer.msm.MetadataSet;
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16 | import org.greenstone.gatherer.msm.MetadataSetManager;
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17 | import org.greenstone.gatherer.util.Utility;
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18 | import org.w3c.dom.*;
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19 |
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20 | public class NewCollectionMetadataPrompt
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21 | extends JDialog {
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22 |
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23 | private boolean cancelled = true;
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24 | private CheckList sets_list;
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25 | private JDialog self;
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26 | private JList elements_list;
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27 | static private Dimension size = new Dimension(700, 380);
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28 |
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29 | public NewCollectionMetadataPrompt() {
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30 | super(Gatherer.g_man, true);
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31 | this.self = this;
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32 | setJMenuBar(new SimpleMenuBar("2.1"));
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33 | setModal(true);
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34 | setSize(size);
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35 | setTitle(get("Title"));
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36 |
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37 | // And the remaining metadata sets.
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38 | ArrayList sets = new ArrayList();
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39 | // Determine what collections are available.
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40 | File metadata_directory = new File(Utility.METADATA_DIR);
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41 | File[] possible_mdses = metadata_directory.listFiles();
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42 | for(int i = 0; i < possible_mdses.length; i++) {
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43 | String name = possible_mdses[i].getName();
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44 | if(name.endsWith(".mds")) {
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45 | sets.add(new MetadataSet(possible_mdses[i]));
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46 | }
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47 | }
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48 |
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49 | // Creation
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50 | JPanel content_pane = (JPanel) getContentPane();
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51 |
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52 | JLabel instructions_label = new JLabel(get("Metadata_Instructions"));
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53 |
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54 | JPanel center_pane = new JPanel();
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55 |
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56 | JPanel sets_list_pane = new JPanel();
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57 | JLabel sets_list_label = new JLabel(get("Select_MDS"));
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58 | sets_list_label.setOpaque(false);
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59 | sets_list = new CheckList(sets);
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60 |
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61 | JPanel elements_list_pane = new JPanel();
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62 | JLabel elements_list_label = new JLabel(get("Metadata_Elements"));
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63 | elements_list = new JList();
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64 | elements_list.setBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
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65 | elements_list.setForeground(Gatherer.config.getColor("coloring.collection_tree_foreground", false));
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66 | elements_list.setSelectionBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
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67 | elements_list.setSelectionForeground(Gatherer.config.getColor("coloring.collection_tree_foreground", false));
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68 |
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69 | JPanel button_pane = new JPanel();
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70 | JButton ok_button = new JButton(get("General.OK"));
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71 | JButton cancel_button = new JButton(get("General.Cancel"));
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72 | // Connection
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73 | ok_button.addActionListener(new OKButtonListener());
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74 | cancel_button.addActionListener(new CancelButtonListener());
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75 | sets_list.addListSelectionListener(new MetadataListSelectionListener());
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76 | // Display
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77 | sets_list_pane.setLayout(new BorderLayout());
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78 | sets_list_pane.add(sets_list_label, BorderLayout.NORTH);
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79 | sets_list_pane.add(new JScrollPane(sets_list), BorderLayout.CENTER);
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80 |
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81 | elements_list_pane.setLayout(new BorderLayout());
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82 | elements_list_pane.add(elements_list_label, BorderLayout.NORTH);
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83 | elements_list_pane.add(new JScrollPane(elements_list), BorderLayout.CENTER);
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84 |
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85 | center_pane.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
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86 | center_pane.setLayout(new GridLayout(2,1,0,5));
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87 | center_pane.add(sets_list_pane);
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88 | center_pane.add(elements_list_pane);
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89 |
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90 | button_pane.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
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91 | button_pane.setLayout(new GridLayout(1,2,5,0));
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92 | button_pane.add(ok_button);
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93 | button_pane.add(cancel_button);
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94 |
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95 | content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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96 | content_pane.setLayout(new BorderLayout());
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97 | content_pane.add(instructions_label, BorderLayout.NORTH);
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98 | content_pane.add(center_pane, BorderLayout.CENTER);
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99 | content_pane.add(button_pane, BorderLayout.SOUTH);
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100 | // Show
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101 | Dimension screen_size = Gatherer.config.screen_size;
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102 | setLocation((screen_size.width - size.width) / 2, (screen_size.height - size.height) / 2);
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103 | show();
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104 | }
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105 |
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106 | public ArrayList getSets() {
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107 | return sets_list.getSelected();
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108 | }
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109 |
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110 | public boolean isCancelled() {
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111 | return cancelled;
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112 | }
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113 |
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114 | private void determineMetadataElements(MetadataSet extracted_metadata) {
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115 | // Hardcoded...
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116 | extracted_metadata.addElement("Encoding");
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117 | extracted_metadata.addElement("Language");
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118 | extracted_metadata.addElement("Source");
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119 | extracted_metadata.addElement("Title");
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120 | }
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121 |
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122 | /** Gets a phrase from the dictionary based on key.
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123 | * @param key A <strong>String</strong> which serves as the unique identifier of a phrase.
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124 | * @return The desired phrase as a <strong>String</strong> or at least a meaningful error message.
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125 | */
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126 | private String get(String key) {
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127 | if(key.indexOf(".") == -1) {
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128 | key = "NewCollectionPrompt." + key;
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129 | }
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130 | return Gatherer.dictionary.get(key);
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131 | }
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132 |
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133 | private class CancelButtonListener
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134 | implements ActionListener {
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135 | public void actionPerformed(ActionEvent event) {
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136 | cancelled = true;
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137 | self.dispose();
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138 | }
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139 | }
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140 |
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141 | public class MetadataListSelectionListener
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142 | implements ListSelectionListener {
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143 | public void valueChanged(ListSelectionEvent event) {
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144 | if(!sets_list.isSelectionEmpty()) {
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145 | // Retrieve the selected set.
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146 | Entry entry = (Entry) sets_list.getSelectedValue();
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147 | MetadataSet set = (MetadataSet) entry.getObject();
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148 | entry = null;
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149 | // Build a model from its elements.
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150 | NodeList elements = set.getElements();
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151 | set = null;
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152 | Vector elements_model = new Vector();
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153 | for(int i = 0; i < elements.getLength(); i++) {
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154 | elements_model.add(new ElementWrapper(elements.item(i)));
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155 | }
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156 | elements = null;
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157 | Collections.sort(elements_model);
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158 | elements_list.setListData(elements_model);
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159 | elements_model = null;
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160 | }
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161 | else {
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162 | elements_list.setListData(new String[0]);
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163 | }
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164 | }
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165 | }
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166 |
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167 | public class OKButtonListener
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168 | implements ActionListener {
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169 | public void actionPerformed(ActionEvent event) {
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170 | // See if the user has selected no metadata sets, and if so confirm thats what they really want.
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171 | ArrayList selected_sets = sets_list.getSelected();
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172 | cancelled = false;
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173 | if(selected_sets.size() == 0) {
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174 | WarningDialog dialog = new WarningDialog("warning.NoMetadataSetsSelected", true);
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175 | if(dialog.display() == JOptionPane.OK_OPTION) {
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176 | // Otherwise we are free to go
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177 | self.dispose();
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178 | }
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179 | }
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180 | else {
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181 | self.dispose();
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182 | }
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183 | }
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184 | }
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185 | }
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