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 javax.swing.*;
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6 | import javax.swing.event.*;
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7 | import java.util.ArrayList;
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8 | import java.util.Vector;
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9 | import java.io.File;
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10 | import java.util.Observer;
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11 | import java.util.Observable;
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12 |
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13 | import org.greenstone.gatherer.Configuration;
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14 | import org.greenstone.gatherer.Dictionary;
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15 | import org.greenstone.gatherer.Gatherer;
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16 | import org.greenstone.gatherer.cdm.DynamicListModel;
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17 | import org.greenstone.gatherer.metadata.MetadataSet;
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18 | import org.greenstone.gatherer.metadata.MetadataSetManager;
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19 | import org.greenstone.gatherer.gems.*;
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20 |
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21 | public class MetadataSetDialog
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22 | extends ModalDialog {
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23 |
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24 | static private Dimension SIZE = new Dimension(600, 300);
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25 | static private Dimension ADD_SIZE = new Dimension(600, 500);
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26 |
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27 | private ArrayList current_metadata_sets;
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28 | private DynamicListModel current_metadata_model;
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29 |
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30 | private JButton add_button = null;
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31 | private JButton edit_button = null;
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32 | private JButton remove_button = null;
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33 |
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34 | private JButton close_button = null;
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35 |
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36 | private JList current_set_list = null;
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37 | private MetadataSetDialog set_dialog = null;
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38 | private boolean sets_changed = false;
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39 |
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40 | private GEMS gems = null;
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41 |
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42 | public MetadataSetDialog() {
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43 | super(Gatherer.g_man, true);
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44 | set_dialog = this;
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45 |
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46 | setJMenuBar(new SimpleMenuBar("selectingmetadatasets"));
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47 | setSize(SIZE);
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48 | setTitle(Dictionary.get("MetadataSetDialog.Title"));
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49 |
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50 | current_metadata_sets = MetadataSetManager.getMetadataSets();
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51 | current_metadata_model = new DynamicListModel();
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52 |
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53 | int current_size = current_metadata_sets.size();
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54 | for (int i=0; i<current_size; i++) {
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55 | current_metadata_model.addElement(current_metadata_sets.get(i));
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56 | }
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57 | JPanel content_pane = (JPanel) getContentPane();
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58 | content_pane.setOpaque(true);
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59 |
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60 | JLabel current_metadata_sets_label = new JLabel(Dictionary.get("MetadataSetDialog.Current_Sets"));
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61 | current_metadata_sets_label.setOpaque(true);
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62 | current_set_list = new JList(current_metadata_model);
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63 | current_set_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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64 |
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65 | JPanel button_pane = new JPanel();
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66 | add_button = new GLIButton(Dictionary.get("MetadataSetDialog.Add"), Dictionary.get("MetadataSetDialog.Add_Tooltip"));
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67 | add_button.setEnabled(true);
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68 |
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69 | edit_button = new GLIButton(Dictionary.get("MetadataSetDialog.Edit"), Dictionary.get("MetadataSetDialog.Edit_Tooltip"));
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70 | edit_button.setEnabled(false);
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71 |
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72 | remove_button = new GLIButton(Dictionary.get("MetadataSetDialog.Remove"), Dictionary.get("MetadataSetDialog.Remove_Tooltip"));
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73 | remove_button.setEnabled(false);
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74 |
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75 | close_button = new GLIButton(Dictionary.get("General.Close"), Dictionary.get("General.Close_Tooltip"));
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76 | close_button.setEnabled(true);
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77 |
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78 |
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79 | // Add listeners
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80 | add_button.addActionListener(new AddButtonListener());
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81 | edit_button.addActionListener(new EditButtonListener());
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82 | remove_button.addActionListener(new RemoveButtonListener());
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83 | close_button.addActionListener(new ActionListener() {
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84 | public void actionPerformed(ActionEvent event) {
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85 | set_dialog.dispose();
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86 | }
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87 | });
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88 | current_set_list.addListSelectionListener(new MetadataSetListSelectionListener());
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89 |
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90 | button_pane.setLayout(new GridLayout(2,3));
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91 | button_pane.add(add_button);
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92 | button_pane.add(edit_button);
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93 | button_pane.add(remove_button);
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94 | button_pane.add(new JPanel());
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95 | button_pane.add(new JPanel());
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96 | button_pane.add(close_button);
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97 |
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98 | content_pane.setLayout(new BorderLayout());
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99 | content_pane.add(current_metadata_sets_label, BorderLayout.NORTH);
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100 | content_pane.add(new JScrollPane(current_set_list), BorderLayout.CENTER);
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101 | content_pane.add(button_pane, BorderLayout.SOUTH);
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102 |
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103 | // Show
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104 | Dimension screen_size = Configuration.screen_size;
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105 | setLocation((screen_size.width - SIZE.width) / 2, (screen_size.height - SIZE.height) / 2);
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106 | setVisible(true);
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107 |
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108 | }
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109 |
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110 | public boolean setsChanged() {
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111 | return sets_changed;
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112 | }
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113 |
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114 | private class AddButtonListener
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115 | implements ActionListener {
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116 |
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117 | public void actionPerformed(ActionEvent event) {
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118 | AddMetadataSetPrompt amsp = new AddMetadataSetPrompt();
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119 | if (!amsp.isCancelled()) {
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120 | sets_changed = true;
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121 | }
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122 | }
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123 | }
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124 |
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125 | private class EditButtonListener
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126 | implements ActionListener, GEMSListener {
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127 |
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128 | public void actionPerformed(ActionEvent event) {
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129 | // do a pop up message
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130 | MetadataSet metadata_set = (MetadataSet) current_set_list.getSelectedValue();
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131 | String metadata_path = metadata_set.getMetadataSetFile().toString();
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132 | if (gems == null){
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133 | gems = new GEMS(Configuration.gsdl_path,Configuration.gsdl3_path,"", false, false);
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134 | gems.addGEMSListener(this);
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135 | }
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136 | gems.displayMetadataSet(metadata_path);
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137 | }
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138 |
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139 | public void gemsIsClosed()
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140 | {
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141 | // We assume that the selected metadata was edited, so reload it and remember to update the table
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142 | MetadataSet edited_metadata_set = (MetadataSet) current_set_list.getSelectedValue();
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143 | MetadataSetManager.unloadMetadataSet(edited_metadata_set);
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144 | MetadataSetManager.loadMetadataSet(edited_metadata_set.getMetadataSetFile());
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145 | sets_changed = true;
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146 | }
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147 | }
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148 |
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149 | private class RemoveButtonListener
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150 | implements ActionListener {
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151 |
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152 | public void actionPerformed(ActionEvent event) {
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153 | MetadataSet metadata_set = (MetadataSet) current_set_list.getSelectedValue();
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154 | current_metadata_model.removeElement(metadata_set);
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155 | Gatherer.c_man.removeMetadataSet(metadata_set);
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156 | sets_changed = true;
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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 |
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162 |
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163 | private class MetadataSetListSelectionListener
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164 | implements ListSelectionListener {
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165 |
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166 | public void valueChanged(ListSelectionEvent event)
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167 | {
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168 | // Wait until we get a stable event
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169 | if (event.getValueIsAdjusting()) {
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170 | return;
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171 | }
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172 |
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173 | // Now we can process it
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174 | if (!current_set_list.isSelectionEmpty() && !((MetadataSet)current_set_list.getSelectedValue()).getNamespace().equals(MetadataSetManager.EXTRACTED_METADATA_NAMESPACE)) {
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175 | remove_button.setEnabled(true);
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176 | edit_button.setEnabled(true);
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177 | }
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178 | else {
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179 | remove_button.setEnabled(false);
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180 | edit_button.setEnabled(false);
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181 | }
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182 |
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183 | }
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184 |
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185 | }
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186 |
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187 | private class AddMetadataSetPrompt
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188 | extends ModalDialog implements GEMSListener{
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189 |
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190 | private JDialog add_set_dialog;
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191 | private boolean cancelled = false;
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192 |
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193 | private JList elements_list;
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194 | private JList available_sets_list;
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195 |
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196 | private JButton add_button;
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197 |
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198 | private JButton new_button;
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199 |
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200 | private GEMSListener self;
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201 |
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202 | public AddMetadataSetPrompt() {
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203 | super(Gatherer.g_man, true);
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204 | add_set_dialog = this;
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205 | setModal(true);
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206 | setJMenuBar(new SimpleMenuBar("choosingmetadatasets"));
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207 | setSize(ADD_SIZE);
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208 | setTitle(Dictionary.get("MetadataSetDialog.Add_Title"));
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209 | self = this;
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210 |
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211 |
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212 | JPanel center_pane = new JPanel();
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213 | JPanel sets_pane = new JPanel();
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214 | JLabel sets_label = new JLabel(Dictionary.get("MetadataSetDialog.Available_Sets"));
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215 | sets_label.setOpaque(false);
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216 |
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217 | available_sets_list = new JList(getValidSetModel());
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218 | available_sets_list.addListSelectionListener(new AvailableSetListSelectionListener());
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219 | available_sets_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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220 | JPanel elements_pane = new JPanel();
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221 | JLabel elements_label = new JLabel(Dictionary.get("MetadataSetDialog.Elements"));
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222 |
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223 | elements_list = new JList();
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224 | elements_list.setCellRenderer(new MetadataElementListCellRenderer());
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225 | elements_list.setBackground(Configuration.getColor("coloring.collection_tree_background", false));
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226 | elements_list.setForeground(Configuration.getColor("coloring.collection_tree_foreground", false));
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227 | elements_list.setSelectionBackground(Configuration.getColor("coloring.collection_tree_background", false));
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228 | elements_list.setSelectionForeground(Configuration.getColor("coloring.collection_tree_foreground", false));
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229 |
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230 | JPanel button_pane = new JPanel();
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231 | add_button = new GLIButton(Dictionary.get("MetadataSetDialog.Add_Set"), Dictionary.get("MetadataSetDialog.Add_Set_Tooltip"));
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232 | add_button.setEnabled(false);
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233 |
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234 | new_button = new GLIButton(Dictionary.get("MetadataSetDialog.New_Set"), Dictionary.get("MetadataSetDialog.New_Set_Tooltip"));
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235 |
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236 | JButton browse_button = new GLIButton(Dictionary.get("MetadataSetDialog.Browse"), Dictionary.get("MetadataSetDialog.Browse_Tooltip"));
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237 | browse_button.setEnabled(true);
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238 | JButton cancel_button = new GLIButton(Dictionary.get("General.Cancel"), Dictionary.get("General.Pure_Cancel_Tooltip"));
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239 |
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240 | add_button.addActionListener(new AddSetActionListener());
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241 | browse_button.addActionListener(new BrowseActionListener());
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242 | cancel_button.addActionListener(new ActionListener() {
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243 | public void actionPerformed(ActionEvent event) {
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244 | cancelled = true;
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245 | if (gems != null) {
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246 | gems.removeGEMSListener(self);
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247 | }
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248 | add_set_dialog.dispose();
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249 | }
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250 | });
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251 |
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252 | new_button.addActionListener(new ActionListener() {
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253 | public void actionPerformed(ActionEvent event) {
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254 | if (gems == null) {
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255 | gems = new GEMS(Configuration.gsdl_path, Configuration.gsdl3_path, "", false, false);
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256 | }
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257 | gems.newMetadataSet();
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258 | gems.addGEMSListener(self);
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259 | }
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260 | });
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261 |
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262 |
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263 | // Layout
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264 | sets_pane.setLayout(new BorderLayout());
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265 | sets_pane.add(sets_label, BorderLayout.NORTH);
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266 | sets_pane.add(new JScrollPane(available_sets_list), BorderLayout.CENTER);
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267 |
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268 | elements_pane.setLayout(new BorderLayout());
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269 | elements_pane.add(elements_label, BorderLayout.NORTH);
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270 | elements_pane.add(new JScrollPane(elements_list), BorderLayout.CENTER);
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271 |
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272 | center_pane.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
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273 | center_pane.setLayout(new GridLayout(2,1,0,5));
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274 | center_pane.add(sets_pane);
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275 | center_pane.add(elements_pane);
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276 |
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277 | button_pane.setBorder(BorderFactory.createEmptyBorder(5,0,0,0));
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278 | button_pane.setLayout(new GridLayout(1,4,5,0));
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279 | button_pane.add(add_button);
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280 | button_pane.add(new_button);
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281 | button_pane.add(browse_button);
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282 | button_pane.add(cancel_button);
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283 |
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284 | JPanel content_pane = (JPanel) getContentPane();
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285 | content_pane.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
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286 | content_pane.setLayout(new BorderLayout());
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287 | content_pane.add(center_pane, BorderLayout.CENTER);
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288 | content_pane.add(button_pane, BorderLayout.SOUTH);
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289 |
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290 | // Show
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291 | Dimension screen_size = Configuration.screen_size;
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292 | setLocation((screen_size.width - ADD_SIZE.width) / 2, (screen_size.height - ADD_SIZE.height) / 2);
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293 | setVisible(true);
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294 |
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295 |
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296 |
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297 | }
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298 |
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299 | public DynamicListModel getValidSetModel(){
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300 | // Show the metadata sets (except extracted, exploded, and currently assigned sets) in the GLI metadata folder
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301 | ArrayList all_metadata_sets = MetadataSetManager.listMetadataSets(new File(Gatherer.getGLIMetadataDirectoryPath()));
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302 | ArrayList current_metadata_sets = MetadataSetManager.getMetadataSets();
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303 | DynamicListModel valid_sets_model = new DynamicListModel();
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304 | for (int i=0; i<all_metadata_sets.size(); i++) {
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305 | MetadataSet set = (MetadataSet) all_metadata_sets.get(i);
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306 | if (set.getNamespace().equals(MetadataSetManager.EXTRACTED_METADATA_NAMESPACE) || set.getNamespace().equals(MetadataSetManager.EXPLODED_METADATA_NAMESPACE)) {
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307 | continue;
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308 | }
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309 | // indexOf uses the equals() method, which for MetadataSets compares the toString() output, not the objects
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310 | if (current_metadata_sets.indexOf(set)!=-1) {
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311 | continue;
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312 | }
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313 | valid_sets_model.addElement(set);
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314 | }
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315 |
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316 | return valid_sets_model;
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317 | }
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318 |
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319 |
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320 | public void gemsIsClosed(){
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321 | available_sets_list.setModel(getValidSetModel());
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322 | }
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323 |
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324 | public boolean isCancelled() {
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325 | return cancelled;
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326 | }
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327 |
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328 | private class AddSetActionListener
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329 | implements ActionListener {
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330 |
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331 | public void actionPerformed(ActionEvent event) {
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332 | if (available_sets_list.isSelectionEmpty()) {
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333 | return;
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334 | }
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335 | MetadataSet metadata_set = (MetadataSet) available_sets_list.getSelectedValue();
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336 | String namespace = metadata_set.getNamespace();
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337 | // have we got a variant already in the collection??
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338 | MetadataSet existing_set = null;
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339 | if ((existing_set = MetadataSetManager.getMetadataSet(namespace)) != null) {
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340 | // warn that we are replacing
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341 | String [] args = new String [] {metadata_set.toString(), existing_set.toString()};
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342 | WarningDialog namespace_clash_dialog = new WarningDialog("warning.MetadataSetNamespaceClash", Dictionary.get("MetadataSetNamespaceClash.Title"), Dictionary.get("MetadataSetNamespaceClash.Message", args), null, true);
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343 | if (namespace_clash_dialog.display()==JOptionPane.CANCEL_OPTION) {
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344 | namespace_clash_dialog.dispose();
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345 | return;
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346 | }
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347 | // if we have got here, then we remove the old set
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348 | current_metadata_model.removeElement(existing_set);
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349 | Gatherer.c_man.removeMetadataSet(existing_set);
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350 | sets_changed = true;
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351 | namespace_clash_dialog.dispose();
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352 | }
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353 |
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354 |
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355 | Gatherer.c_man.importMetadataSet(metadata_set);
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356 | metadata_set = MetadataSetManager.getMetadataSet(namespace);
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357 | current_metadata_model.addElement(metadata_set);
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358 | sets_changed = true;
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359 | cancelled = false;
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360 | add_set_dialog.dispose();
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361 |
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362 | }
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363 | }
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364 |
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365 | private class BrowseActionListener
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366 | implements ActionListener {
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367 |
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368 | public void actionPerformed(ActionEvent event) {
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369 | JFileChooser chooser = new JFileChooser(new File(Gatherer.getGLIMetadataDirectoryPath()));
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370 | chooser.setFileFilter(new MetadataSet.MetadataSetFileFilter());
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371 | chooser.setDialogTitle(Dictionary.get("MetadataSetDialog.Add_Title"));
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372 | int return_val = chooser.showDialog(Gatherer.g_man, Dictionary.get("MetadataSetDialog.Add_Set"));
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373 | if (return_val == JFileChooser.APPROVE_OPTION) {
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374 | MetadataSet meta_set = new MetadataSet(chooser.getSelectedFile());
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375 | Gatherer.c_man.importMetadataSet(meta_set);
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376 | current_metadata_model.addElement(meta_set);
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377 | cancelled = false;
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378 | add_set_dialog.dispose();
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379 | } else {
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380 | // we do nothing - user may want to add from the other dialog
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381 | }
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382 | }
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383 | }
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384 |
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385 |
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386 | private class AvailableSetListSelectionListener
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387 | implements ListSelectionListener
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388 | {
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389 | public void valueChanged(ListSelectionEvent event)
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390 | {
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391 | // Wait until we get a stable event
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392 | if (event.getValueIsAdjusting()) {
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393 | return;
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394 | }
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395 |
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396 | if (!available_sets_list.isSelectionEmpty()) {
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397 | // Retrieve the selected set
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398 | MetadataSet metadata_set = (MetadataSet) available_sets_list.getSelectedValue();
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399 | elements_list.setListData(new Vector(metadata_set.getMetadataSetElements()));
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400 | add_button.setEnabled(true);
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401 | }
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402 | else {
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403 | elements_list.setListData(new String[0]);
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404 | add_button.setEnabled(false);
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405 | }
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406 | }
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407 | }
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408 |
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409 |
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410 | }
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411 | }
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