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 javax.swing.*;
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7 | import org.greenstone.gatherer.Dictionary;
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8 | import org.greenstone.gatherer.Gatherer;
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9 | import org.greenstone.gatherer.gui.TextFieldLabel;
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10 | import org.greenstone.gatherer.msm.MSMUtils;
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11 | import org.greenstone.gatherer.util.Utility;
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12 | import org.greenstone.gatherer.gui.SimpleMenuBar;
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13 | import org.greenstone.gatherer.gui.ModalDialog;
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14 | import org.w3c.dom.*;
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15 |
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16 | /** A lock file dialog is shown whenever GLI detects an existing lock on a collection it is trying to open. The user can look at the details provided with the dialog, and decide whether to 'steal' the lock or to cancel the loading. */
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17 | public class LockFileDialog
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18 | extends ModalDialog {
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19 |
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20 | private int choice;
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21 | private Document document;
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22 | private JButton cancel_button;
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23 | private JButton ok_button;
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24 | private LockFileDialog self;
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25 |
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26 | static final public int NO_OPTION = 0;
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27 | static final public int YES_OPTION = 1;
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28 |
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29 | static final private Dimension LABEL_SIZE = new Dimension(100, 25);
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30 | static final private Dimension SIZE = new Dimension(500, 250);
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31 | static final private int ICON_SIZE = 30;
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32 |
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33 | public LockFileDialog(JFrame parent, String name, File lock_file) {
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34 | super(parent, get("LockFileDialog.Title"), true);
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35 | setSize(SIZE);
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36 | setJMenuBar(new SimpleMenuBar("openingacollection"));
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37 | this.self = this;
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38 | // Parse the lock file, but do so quietly so that if the XML is poorly formed it doesn't show exception.
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39 | document = Utility.parse(lock_file, false);
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40 | // Creation
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41 | JPanel content_pane = (JPanel) getContentPane();
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42 | JPanel upper_pane = new JPanel();
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43 | ImageIcon icon = Utility.getImage("lcolicn.gif");
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44 | ImageIcon scaled_icon = new ImageIcon(icon.getImage().getScaledInstance(ICON_SIZE, ICON_SIZE, Image.SCALE_DEFAULT));
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45 | JLabel icon_label = new JLabel(scaled_icon);
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46 | JPanel title_pane = new JPanel();
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47 | JLabel title_one_label = new JLabel(get("General.Warning"));
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48 | JLabel title_two_label = new JLabel(get("LockFileDialog.Lockfile_Message_One"));
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49 | JPanel central_pane = new JPanel();
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50 | JPanel name_pane = new JPanel();
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51 | JLabel name_label = new JLabel(get("LockFileDialog.Name"));
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52 | name_label.setPreferredSize(LABEL_SIZE);
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53 | TextFieldLabel name_field = new TextFieldLabel(name);
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54 | name_field.setBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
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55 | JPanel person_pane = new JPanel();
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56 | JLabel person_label = new JLabel(get("LockFileDialog.User"));
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57 | person_label.setPreferredSize(LABEL_SIZE);
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58 | TextFieldLabel person_field = new TextFieldLabel(getValue("User"));
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59 | person_field.setBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
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60 | JPanel machine_pane = new JPanel();
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61 | JLabel machine_label = new JLabel(get("LockFileDialog.Machine"));
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62 | machine_label.setPreferredSize(LABEL_SIZE);
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63 | TextFieldLabel machine_field = new TextFieldLabel(getValue("Machine"));
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64 | machine_field.setBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
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65 | JPanel created_pane = new JPanel();
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66 | JLabel created_label = new JLabel(get("LockFileDialog.Date"));
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67 | created_label.setPreferredSize(LABEL_SIZE);
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68 | TextFieldLabel created_field = new TextFieldLabel(getValue("Date"));
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69 | created_field.setBackground(Gatherer.config.getColor("coloring.collection_tree_background", false));
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70 | JLabel central_label = new JLabel(get("LockFileDialog.Lockfile_Message_Two"));
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71 | JPanel button_pane = new JPanel();
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72 | ok_button = new JButton(get("General.OK"));
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73 | cancel_button = new JButton(get("General.Cancel"));
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74 | // Connection
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75 | ok_button.addActionListener(new MyActionListener());
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76 | cancel_button.addActionListener(new MyActionListener());
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77 | // Layout
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78 | icon_label.setBorder(BorderFactory.createEmptyBorder(0,0,0,10));
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79 |
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80 | title_pane.setLayout(new GridLayout(2,1,0,5));
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81 | title_pane.add(title_one_label);
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82 | title_pane.add(title_two_label);
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83 |
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84 | upper_pane.setLayout(new BorderLayout());
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85 | upper_pane.add(icon_label, BorderLayout.WEST);
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86 | upper_pane.add(title_pane, BorderLayout.CENTER);
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87 |
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88 | name_pane.setLayout(new BorderLayout());
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89 | name_pane.add(name_label, BorderLayout.WEST);
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90 | name_pane.add(name_field, BorderLayout.CENTER);
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91 |
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92 | person_pane.setLayout(new BorderLayout());
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93 | person_pane.add(person_label, BorderLayout.WEST);
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94 | person_pane.add(person_field, BorderLayout.CENTER);
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95 |
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96 | machine_pane.setLayout(new BorderLayout());
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97 | machine_pane.add(machine_label, BorderLayout.WEST);
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98 | machine_pane.add(machine_field, BorderLayout.CENTER);
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99 |
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100 | created_pane.setLayout(new BorderLayout());
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101 | created_pane.add(created_label, BorderLayout.WEST);
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102 | created_pane.add(created_field, BorderLayout.CENTER);
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103 |
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104 | central_pane.setLayout(new GridLayout(5,1,0,5));
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105 | central_pane.add(name_pane);
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106 | central_pane.add(person_pane);
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107 | central_pane.add(machine_pane);
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108 | central_pane.add(created_pane);
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109 | central_pane.add(central_label);
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110 |
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111 | button_pane.setLayout(new GridLayout(1,2,5,0));
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112 | button_pane.add(ok_button);
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113 | button_pane.add(cancel_button);
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114 |
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115 | content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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116 | content_pane.setLayout(new BorderLayout());
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117 | content_pane.add(upper_pane, BorderLayout.NORTH);
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118 | content_pane.add(central_pane, BorderLayout.CENTER);
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119 | content_pane.add(button_pane, BorderLayout.SOUTH);
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120 | // Display
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121 | if(parent != null) {
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122 | Rectangle frame_bounds = parent.getBounds();
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123 | setLocation(frame_bounds.x + (frame_bounds.width - SIZE.width) / 2, frame_bounds.y + (frame_bounds.height - SIZE.height) / 2);
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124 | }
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125 | else {
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126 | Dimension screen_size = Toolkit.getDefaultToolkit().getScreenSize();
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127 | setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
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128 | }
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129 | }
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130 |
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131 | public int getChoice() {
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132 | setVisible(true);
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133 | return choice;
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134 | }
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135 |
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136 | private String getValue(String name) {
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137 | String value = "";
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138 | if(document != null) {
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139 | try {
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140 | Element value_element = (Element) MSMUtils.getNodeFromNamed(document.getDocumentElement(), name);
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141 | value = MSMUtils.getValue(value_element);
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142 | }
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143 | catch (Exception error) {
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144 | }
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145 | }
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146 | else {
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147 | value = get("LockFileDialog.Error");
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148 | }
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149 | return value;
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150 | }
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151 |
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152 | private class MyActionListener
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153 | implements ActionListener {
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154 | public void actionPerformed(ActionEvent event) {
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155 | if(event.getSource() == ok_button) {
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156 | choice = YES_OPTION;
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157 | }
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158 | else {
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159 | choice = NO_OPTION;
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160 | }
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161 | self.dispose();
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162 | }
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163 | }
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164 |
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165 | static public void main(String[] args) {
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166 | JFrame frame = new JFrame();
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167 | frame.setSize(640,480);
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168 | frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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169 | frame.show();
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170 | LockFileDialog dialog = new LockFileDialog(frame, "Test", new File(args[0]));
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171 | int choice = dialog.getChoice();
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172 | }
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173 |
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174 | static private String get(String key) {
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175 | if(key.indexOf(".") == -1) {
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176 | key = "LockFileDialog." + key;
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177 | }
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178 | return Gatherer.dictionary.get(key);
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179 | }
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180 | }
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