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;
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38 |
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39 | import java.awt.*;
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40 | import java.awt.event.*;
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41 | import java.io.*;
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42 | import java.util.*;
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43 | import javax.swing.*;
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44 | import javax.swing.event.*;
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45 | import javax.swing.table.*;
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46 | import org.greenstone.gatherer.Dictionary;
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47 | import org.greenstone.gatherer.Gatherer;
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48 | import org.greenstone.gatherer.file.FileAssociationManager;
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49 | import org.greenstone.gatherer.gui.GComboBox;
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50 | import org.greenstone.gatherer.gui.ModalDialog;
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51 | import org.greenstone.gatherer.gui.NonWhitespaceField;
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52 | import org.greenstone.gatherer.gui.OpenCollectionDialog;
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53 | import org.greenstone.gatherer.gui.SimpleMenuBar;
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54 | import org.greenstone.gatherer.util.TableUtils;
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55 | import org.greenstone.gatherer.util.Utility;
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56 | import org.outerj.pollo.util.*;
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57 |
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58 | /** The file association allows the entry of new file associations and the modification of existing ones.
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59 | * @author John Thompson, Greenstone Digital Library, University of Waikato
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60 | * @version 2.3
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61 | */
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62 | public class FileAssociationDialog
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63 | extends ModalDialog {
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64 |
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65 | /** The default size of a label. */
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66 | static final private Dimension LABEL_SIZE = new Dimension(150, 25);
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67 | /** The default size for the dialog. */
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68 | static final private Dimension SIZE = new Dimension(600, 450);
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69 |
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70 | private boolean ignore = false;
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71 | private FileAssociationDialog self;
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72 | private FileAssociationManager file_association_manager;
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73 | private JButton add_button;
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74 | private JButton browse_button;
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75 | private JButton close_button;
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76 | private JButton remove_button;
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77 | private JButton replace_button;
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78 | private JTable existing_associations_table;
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79 | private JTextField command_field;
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80 | private JTextField extension_field;
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81 |
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82 | /** Create a new file association dialog.
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83 | * @param manager A reference to the <strong>FileAssociationManager</strong> so we can determine what extensions are already associated.
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84 | */
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85 | public FileAssociationDialog(FileAssociationManager file_association_manager) {
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86 | super(Gatherer.g_man);
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87 | this.file_association_manager = file_association_manager;
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88 | this.self = this;
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89 |
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90 | // Creation
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91 | setModal(true);
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92 | setSize(SIZE);
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93 | setJMenuBar(new SimpleMenuBar("fileassociations"));
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94 |
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95 | JPanel content_pane = (JPanel) getContentPane();
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96 | content_pane.setBackground(Gatherer.config.getColor("coloring.collection_heading_background", false));
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97 |
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98 | JTextArea instructions_area = new JTextArea();
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99 | instructions_area.setEditable(false);
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100 | instructions_area.setLineWrap(true);
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101 | instructions_area.setRows(5);
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102 | instructions_area.setWrapStyleWord(true);
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103 | Dictionary.setText(instructions_area, "FileAssociationDialog.Instructions");
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104 |
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105 | JPanel control_pane = new JPanel();
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106 | JLabel existing_associations_label = new JLabel();
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107 | existing_associations_table = new JTable(file_association_manager);
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108 | existing_associations_table.setAutoResizeMode(JTable.AUTO_RESIZE_NEXT_COLUMN);
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109 | existing_associations_table.setColumnSelectionAllowed(false);
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110 | existing_associations_table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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111 | JPanel lower_pane = new JPanel();
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112 | JPanel details_pane = new JPanel();
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113 |
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114 | JPanel extension_pane = new JPanel();
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115 | JLabel extension_label = new JLabel();
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116 | extension_label.setPreferredSize(LABEL_SIZE);
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117 | extension_field = new NonWhitespaceField();
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118 |
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119 | JLabel command_label = new JLabel();
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120 | JPanel command_pane = new JPanel();
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121 | command_field = new JTextField();
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122 | browse_button = new JButton();
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123 |
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124 | JPanel button_pane = new JPanel();
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125 | add_button = new JButton();
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126 | add_button.setEnabled(false);
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127 | replace_button = new JButton();
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128 | replace_button.setEnabled(false);
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129 | remove_button = new JButton();
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130 | remove_button.setEnabled(false);
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131 | close_button = new JButton();
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132 |
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133 | // Connection
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134 | add_button.addActionListener(new AddButtonListener());
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135 | browse_button.addActionListener(new BrowseButtonListener());
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136 | close_button.addActionListener(new CloseButtonListener());
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137 | remove_button.addActionListener(new RemoveButtonListener());
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138 | replace_button.addActionListener(new ReplaceButtonListener());
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139 | CommandOrExtensionFieldListener coefl = new CommandOrExtensionFieldListener();
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140 | command_field.getDocument().addDocumentListener(coefl);
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141 | extension_field.getDocument().addDocumentListener(coefl);
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142 | coefl = null;
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143 | existing_associations_table.getSelectionModel().addListSelectionListener(new ExistingAssociationsTableListener());
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144 | Dictionary.setBoth(add_button, "FileAssociationDialog.Add", "FileAssociationDialog.Add_Tooltip");
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145 | Dictionary.setBoth(browse_button, "FileAssociationDialog.Browse", "FileAssociationDialog.Browse_Tooltip");
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146 | Dictionary.setBoth(close_button, "FileAssociationDialog.Close", "FileAssociationDialog.Close_Tooltip");
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147 | Dictionary.setBoth(remove_button, "FileAssociationDialog.Remove", "FileAssociationDialog.Remove_Tooltip");
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148 | Dictionary.setBoth(replace_button, "FileAssociationDialog.Replace", "FileAssociationDialog.Replace_Tooltip");
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149 | Dictionary.setText(command_label, "FileAssociationDialog.Command");
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150 | Dictionary.setText(extension_label, "FileAssociationDialog.Extension");
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151 | Dictionary.setText(existing_associations_label, "FileAssociationDialog.Existing_Associations");
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152 | Dictionary.setText(this, "FileAssociationDialog.Title");
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153 |
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154 | // Layout
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155 | extension_pane.setBorder(BorderFactory.createEmptyBorder(2,0,2,0));
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156 | extension_pane.setLayout(new BorderLayout());
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157 | extension_pane.add(extension_label, BorderLayout.WEST);
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158 | extension_pane.add(extension_field, BorderLayout.CENTER);
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159 |
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160 | command_pane.setBorder(BorderFactory.createEmptyBorder(2,0,2,0));
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161 | command_pane.setLayout(new BorderLayout());
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162 | command_pane.add(command_field, BorderLayout.CENTER);
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163 | command_pane.add(browse_button, BorderLayout.EAST);
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164 |
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165 | details_pane.setBorder(BorderFactory.createTitledBorder(Dictionary.get("FileAssociationDialog.Details")));
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166 | details_pane.setLayout(new GridLayout(3,1));
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167 | details_pane.add(extension_pane);
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168 | details_pane.add(command_label);
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169 | details_pane.add(command_pane);
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170 |
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171 | lower_pane.setBorder(BorderFactory.createEmptyBorder(2,0,0,0));
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172 | button_pane.setLayout(new GridLayout(2,3));
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173 | button_pane.add(add_button);
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174 | button_pane.add(replace_button);
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175 | button_pane.add(remove_button);
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176 | button_pane.add(new JPanel());
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177 | button_pane.add(new JPanel());
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178 | button_pane.add(close_button);
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179 |
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180 | lower_pane.setBorder(BorderFactory.createEmptyBorder(2,0,0,0));
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181 | lower_pane.setLayout(new BorderLayout());
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182 | lower_pane.add(details_pane, BorderLayout.CENTER);
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183 | lower_pane.add(button_pane, BorderLayout.SOUTH);
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184 |
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185 | control_pane.setBorder(BorderFactory.createEmptyBorder(2,0,0,0));
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186 | control_pane.setLayout(new BorderLayout());
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187 | control_pane.add(existing_associations_label, BorderLayout.NORTH);
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188 | control_pane.add(new JScrollPane(existing_associations_table), BorderLayout.CENTER);
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189 | control_pane.add(lower_pane, BorderLayout.SOUTH);
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190 |
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191 | content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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192 | content_pane.setLayout(new BorderLayout());
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193 | content_pane.add(new JScrollPane(instructions_area), BorderLayout.NORTH);
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194 | content_pane.add(control_pane, BorderLayout.CENTER);
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195 |
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196 | Rectangle screen = Gatherer.g_man.getBounds(null);
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197 | setLocation((int)(screen.getX() + (screen.getWidth() - SIZE.width) / 2), (int)(screen.getY() + (screen.getHeight() - SIZE.height) / 2));
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198 | screen = null;
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199 | }
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200 |
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201 | public void destroy() {
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202 | // Disconnect
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203 | // Clean up
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204 | file_association_manager = null;
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205 | self = null;
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206 | }
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207 |
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208 | /** Redisplay the dialog, ensuring that the details (or lack thereof) for a certain extension is apparent. In fact if an extension is provided force the user to add it or cancel.
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209 | * @param new_extension The extension code as a <strong>String</strong>.
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210 | */
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211 | public String display(String new_extension) {
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212 | // Clear the current selection
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213 | existing_associations_table.clearSelection();
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214 | if(new_extension != null) {
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215 | extension_field.setText(new_extension);
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216 | }
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217 | setVisible(true);
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218 | if(new_extension != null) {
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219 | return file_association_manager.getCommandString(new_extension);
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220 | }
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221 | return null;
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222 | }
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223 |
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224 | protected void processWindowEvent(WindowEvent event) {
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225 | if(event.getID() == WindowEvent.WINDOW_ACTIVATED) {
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226 | TableUtils.fixColumnToPreferredWidth(existing_associations_table, 0);
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227 | }
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228 | else {
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229 | super.processWindowEvent(event);
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230 | }
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231 | }
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232 |
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233 | private class AddButtonListener
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234 | implements ActionListener {
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235 |
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236 | public void actionPerformed(ActionEvent event) {
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237 | String extension_str = extension_field.getText();
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238 | file_association_manager.setCommand(extension_str, command_field.getText());
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239 | // Select the appropriate entry in the table
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240 | int index = -1;
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241 | for(int i = 0; index == -1 && i < file_association_manager.size(); i++) {
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242 | if(file_association_manager.getExtension(i).equals(extension_str)) {
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243 | index = i;
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244 | }
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245 | }
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246 | if(index > -1) {
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247 | existing_associations_table.setRowSelectionInterval(index, index);
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248 | }
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249 | // And update buttons
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250 | add_button.setEnabled(false);
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251 | remove_button.setEnabled(true);
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252 | }
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253 | }
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254 |
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255 | /** Whenever the user clicks the browse button, we should open up a file browser to allow them to select an executable file from somewhere in the file system. */
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256 | private class BrowseButtonListener
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257 | implements ActionListener {
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258 | /** Open up a simple JFileChooser when the user clicks the button.
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259 | * @param event An <strong>ActionEvent</strong> containing information about the event.
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260 | */
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261 | public void actionPerformed(ActionEvent event) {
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262 | JFileChooser chooser = new JFileChooser(new File(Utility.BASE_DIR));
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263 | OpenCollectionDialog.disableRename(chooser);
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264 | chooser.setDialogTitle(Dictionary.get("FileAssociationDialog.Browse_Title"));
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265 | chooser.setFileFilter(new ExtensionFileFilter(".bat", Dictionary.get("FileAssociationDialog.Batch_File")));
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266 | chooser.setFileFilter(new ExtensionFileFilter(".com", Dictionary.get("FileAssociationDialog.Command_File")));
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267 | chooser.setFileFilter(new ExtensionFileFilter(".exe", Dictionary.get("FileAssociationDialog.Executable_File")));
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268 | chooser.setAcceptAllFileFilterUsed(true);
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269 | if(chooser.showOpenDialog(Gatherer.g_man) == JFileChooser.APPROVE_OPTION) {
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270 | command_field.setText(chooser.getSelectedFile().getAbsolutePath());
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271 | }
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272 | }
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273 | }
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274 |
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275 | private class CloseButtonListener
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276 | implements ActionListener {
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277 | public void actionPerformed(ActionEvent event) {
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278 | existing_associations_table.clearSelection();
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279 | add_button.setEnabled(false);
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280 | remove_button.setEnabled(false);
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281 | replace_button.setEnabled(false);
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282 | self.dispose();
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283 | }
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284 | }
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285 |
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286 | private class CommandOrExtensionFieldListener
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287 | implements DocumentListener {
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288 | /** Gives notification that an attribute or set of attributes changed. */
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289 | public void changedUpdate(DocumentEvent e) {
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290 | changed();
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291 | }
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292 | /** Gives notification that there was an insert into the document. */
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293 | public void insertUpdate(DocumentEvent e) {
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294 | changed();
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295 | }
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296 | /** Gives notification that a portion of the document has been removed. */
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297 | public void removeUpdate(DocumentEvent e) {
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298 | changed();
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299 | }
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300 |
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301 | private void changed() {
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302 | ignore = true;
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303 | String extension_str = extension_field.getText();
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304 | String command_str = command_field.getText();
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305 | // Determine if there is currently an association selected
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306 | int selected_index = -1;
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307 | if((selected_index = existing_associations_table.getSelectionModel().getMinSelectionIndex()) != -1) {
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308 | String current_extension_str = file_association_manager.getExtension(selected_index);
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309 | String current_command_str = file_association_manager.getCommandString(current_extension_str);
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310 | // What buttons are enabled depends a lot on the file extension, taken to be the 'key'
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311 | if(extension_str.equals(current_extension_str)) {
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312 | // If the extensions are the same then remove is enabled
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313 | remove_button.setEnabled(true);
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314 | // But if the command is different, then enable replace
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315 | if(current_command_str.length() == 0) {
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316 | add_button.setEnabled(true);
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317 | replace_button.setEnabled(false);
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318 | }
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319 | else if(!command_str.equals(current_command_str)) {
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320 | add_button.setEnabled(false);
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321 | replace_button.setEnabled(true);
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322 | }
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323 | else {
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324 | add_button.setEnabled(false);
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325 | replace_button.setEnabled(false);
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326 | }
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327 | }
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328 | // We can add it, but we first clear the selection
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329 | else {
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330 | existing_associations_table.clearSelection();
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331 | add_button.setEnabled(true);
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332 | remove_button.setEnabled(false);
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333 | replace_button.setEnabled(false);
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334 | }
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335 | }
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336 | // If not, we must first test if the extension is in use
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337 | else {
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338 | int index = -1;
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339 | for(int i = 0; index == -1 && i < file_association_manager.size(); i++) {
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340 | String existing_extension_str = file_association_manager.getExtension(i);
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341 | if(existing_extension_str.equals(extension_str)) {
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342 | index = i;
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343 | }
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344 | }
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345 | if(index != -1) {
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346 | // Selection that index
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347 | existing_associations_table.setRowSelectionInterval(index, index);
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348 | // Set replace and remove enabled
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349 | add_button.setEnabled(false);
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350 | remove_button.setEnabled(true);
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351 | replace_button.setEnabled(true);
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352 | }
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353 | // Otherwise if there is some text in both extension and command, enable add only
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354 | else if(extension_str.length() > 0 && command_str.length() > 0) {
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355 | add_button.setEnabled(true);
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356 | remove_button.setEnabled(false);
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357 | replace_button.setEnabled(false);
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358 | }
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359 | // Otherwise disable everything
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360 | else {
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361 | add_button.setEnabled(false);
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362 | remove_button.setEnabled(false);
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363 | replace_button.setEnabled(false);
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364 | }
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365 | }
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366 | ignore = false;
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367 | }
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368 | }
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369 |
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370 | private class ExistingAssociationsTableListener
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371 | implements ListSelectionListener {
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372 |
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373 | public void valueChanged(ListSelectionEvent event) {
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374 | if(!event.getValueIsAdjusting() && !ignore) {
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375 | int selected_index = -1;
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376 | if((selected_index = existing_associations_table.getSelectionModel().getMinSelectionIndex()) != -1) {
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377 | // Propagate the details of the selection down into the fields
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378 | String extension_str = file_association_manager.getExtension(selected_index);
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379 | extension_field.setText(extension_str);
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380 | command_field.setText(file_association_manager.getCommandString(extension_str));
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381 | extension_str = null;
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382 | remove_button.setEnabled(true);
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383 | }
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384 | else {
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385 | // Clear the fields
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386 | extension_field.setText("");
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387 | command_field.setText("");
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388 | remove_button.setEnabled(false);
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389 | }
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390 | add_button.setEnabled(false);
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391 | replace_button.setEnabled(false);
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392 | }
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393 | }
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394 | }
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395 |
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396 | private class RemoveButtonListener
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397 | implements ActionListener {
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398 | public void actionPerformed(ActionEvent event) {
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399 | file_association_manager.setCommand(extension_field.getText(), null);
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400 | // And update buttons
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401 | add_button.setEnabled(true);
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402 | remove_button.setEnabled(false);
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403 | }
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404 | }
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405 |
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406 | private class ReplaceButtonListener
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407 | implements ActionListener {
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408 | public void actionPerformed(ActionEvent event) {
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409 | file_association_manager.setCommand(extension_field.getText(), command_field.getText());
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410 | // And update buttons
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411 | replace_button.setEnabled(false);
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412 | }
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413 | }
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414 | }
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415 |
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416 |
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417 |
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418 |
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419 |
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420 |
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