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, NZDL Project, 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) 2005 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.file;
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38 |
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39 | import java.io.File;
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40 | import javax.swing.*;
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41 | import org.greenstone.gatherer.Dictionary;
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42 | import org.greenstone.gatherer.Gatherer;
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43 | import org.greenstone.gatherer.collection.CollectionManager;
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44 | import org.greenstone.gatherer.collection.CollectionTree;
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45 | import org.greenstone.gatherer.collection.CollectionTreeNode;
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46 | import org.greenstone.gatherer.gui.ExplodeMetadataDatabasePrompt;
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47 | import org.greenstone.gatherer.gui.ReplaceSrcDocWithHtmlPrompt;
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48 | import org.greenstone.gatherer.gui.GProgressBar;
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49 | import org.greenstone.gatherer.gui.NewFolderOrFilePrompt;
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50 | import org.greenstone.gatherer.gui.RenamePrompt;
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51 | import org.greenstone.gatherer.gui.tree.DragTree;
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52 | import org.greenstone.gatherer.remote.RemoteGreenstoneServer;
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53 | import org.greenstone.gatherer.util.DragComponent;
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54 | import org.greenstone.gatherer.util.Utility;
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55 |
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56 | /** Manages the moving of files within a separate thread.
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57 | * @author John Thompson, NZDL Project, University of Waikato
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58 | */
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59 | public class FileManager
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60 | {
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61 | /** Not only the queue of files to be moved, but also the object that moves them. */
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62 | static private FileQueue file_queue = null;
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63 |
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64 | public static final int COPY = 0;
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65 | public static final int MOVE = 1;
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66 |
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67 | public static final int FILE_TYPE = 0;
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68 | public static final int FOLDER_TYPE = 1;
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69 | protected static File startup_directory = null;
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70 |
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71 |
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72 | /** Constructor.
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73 | * @see org.greenstone.gatherer.file.FileQueue
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74 | */
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75 | public FileManager()
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76 | {
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77 | file_queue = new FileQueue();
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78 | file_queue.start();
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79 | }
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80 |
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81 |
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82 | /** Determine what action should be carried out by the file queue, and add all of the necessary file jobs. */
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83 | public void action(DragComponent source, FileNode[] source_nodes, DragComponent target, FileNode target_node)
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84 | {
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85 | // Check there is something to do
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86 | if (source_nodes == null || source_nodes.length == 0) {
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87 | return;
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88 | }
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89 |
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90 | // We need a unique ID for each file task
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91 | long id = System.currentTimeMillis();
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92 |
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93 | // If source and target are the same we're moving
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94 | if (source == target) {
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95 | // Start a new move FileTask and we're done
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96 | (new FileTask(id, source, source_nodes, target, target_node, FileJob.MOVE)).start();
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97 | return;
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98 | }
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99 |
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100 | // If target isn't the RecycleBin, we're copying
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101 | if (!(target instanceof RecycleBin)) {
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102 | // Start a new copy FileTask and we're done
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103 | (new FileTask(id, source, source_nodes, target, target_node, FileJob.COPY)).start();
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104 | return;
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105 | }
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106 |
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107 | // We're deleting... but first make sure source isn't read-only
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108 | boolean read_only_source = false;
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109 |
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110 | // The workspace tree is read-only...
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111 | if (source.toString().equals("Workspace")) {
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112 | read_only_source = true;
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113 |
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114 | // ...except for files from the "Downloaded Files" folder
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115 | String downloaded_files_folder_path = Gatherer.getGLIUserCacheDirectoryPath();
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116 | for (int i = 0; i < source_nodes.length; i++) {
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117 | // Is this the "Downloaded Files" folder?
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118 | if (source_nodes[i].getFile().getAbsolutePath().startsWith(downloaded_files_folder_path)) {
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119 | read_only_source = false;
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120 | }
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121 | }
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122 | }
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123 |
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124 | // The source is read-only, so tell the user and abort
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125 | if (read_only_source) {
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126 | JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("FileActions.Read_Only"), Dictionary.get("General.Error"), JOptionPane.ERROR_MESSAGE);
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127 | return;
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128 | }
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129 |
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130 | // Start a new delete FileTask and we're done
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131 | (new FileTask(id, source, source_nodes, target, target_node, FileJob.DELETE)).start();
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132 | }
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133 |
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134 | /** For moving and copying of folders. */
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135 | public void action(File sourceFolder, File targetFolder, int operation) {
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136 | (new SimpleFileTask(sourceFolder, targetFolder, operation)).start();
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137 | }
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138 |
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139 |
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140 | /** Retrieves the file queue object. */
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141 | public FileQueue getQueue()
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142 | {
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143 | return file_queue;
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144 | }
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145 |
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146 | /** Performs the simple file task of moving or copying folders. */
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147 | private class SimpleFileTask
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148 | extends Thread
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149 | {
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150 | private File sourceFolder;
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151 | private File targetFolder;
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152 | int operation; // MOVE or COPY
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153 |
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154 | public SimpleFileTask(File sourceFolder, File targetFolder, int operation)
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155 | {
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156 | this.sourceFolder = sourceFolder;
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157 | this.targetFolder = targetFolder;
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158 | this.operation = operation;
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159 | }
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160 |
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161 |
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162 | public void run()
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163 | {
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164 | // check if we're moving or overwriting the current collection
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165 | String currentColPath = Gatherer.getCollectDirectoryPath()+CollectionManager.getLoadedCollectionName();
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166 | if(currentColPath.equals(sourceFolder.getAbsolutePath())
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167 | || currentColPath.equals(targetFolder.getAbsolutePath())) {
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168 | Gatherer.g_man.saveThenCloseCurrentCollection();
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169 | }
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170 |
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171 | // if moving, try a simple move operation (if it works, it
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172 | // shouldn't take long at all and doesn't need a progress bar)
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173 | if(operation == MOVE && sourceFolder.renameTo(targetFolder)) {
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174 | //System.err.println("**** A simple renameTo() worked.");
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175 | WorkspaceTreeModel.refreshGreenstoneCollectionsNode();
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176 | return;
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177 | }
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178 |
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179 | // Reset the progress bar and set it to indeterminate while calculating its size
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180 | GProgressBar progress_bar = file_queue.getProgressBar();
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181 | progress_bar.reset();
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182 | progress_bar.setIndeterminate(true);
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183 |
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184 | String status = "FileActions.Moving";
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185 | if(operation == COPY) {
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186 | status = "FileActions.Copying";
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187 | }
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188 | progress_bar.setString(Dictionary.get(status));
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189 | file_queue.getFileStatus().setText(Dictionary.get(status,
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190 | file_queue.formatPath(status,
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191 | sourceFolder.getAbsolutePath(),
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192 | file_queue.getFileStatus().getSize().width)));
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193 |
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194 | // do the move or copy operation
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195 | try {
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196 | //System.err.println("**** Copying " + sourceFolder + " to: " + targetFolder);
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197 | file_queue.copyDirectoryContents(sourceFolder, targetFolder);
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198 | } catch(Exception e) {
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199 | JOptionPane.showMessageDialog(Gatherer.g_man, e.getMessage(),
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200 | "Can't perform file operation", JOptionPane.ERROR_MESSAGE);
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201 |
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202 | progress_bar.setIndeterminate(false);
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203 | progress_bar.clear();
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204 | return;
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205 | }
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206 |
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207 | // if moving, delete the original source folder and
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208 | // update the docs in GS collections node in the workspace tree
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209 |
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210 | if(operation == MOVE) {
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211 | Utility.delete(sourceFolder);
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212 | WorkspaceTreeModel.refreshGreenstoneCollectionsNode();
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213 | }
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214 |
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215 |
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216 | progress_bar.setIndeterminate(false);
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217 | progress_bar.clear();
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218 | file_queue.getFileStatus().setText(Dictionary.get("FileActions.No_Activity"));
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219 | progress_bar.setString(Dictionary.get("FileActions.No_Activity"));
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220 | }
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221 | }
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222 |
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223 | private class FileTask
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224 | extends Thread
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225 | {
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226 | private long id;
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227 | private DragComponent source;
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228 | private FileNode[] source_nodes;
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229 | private DragComponent target;
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230 | private FileNode target_node;
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231 | private byte type;
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232 |
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233 |
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234 | public FileTask(long id, DragComponent source, FileNode[] source_nodes, DragComponent target, FileNode target_node, byte type)
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235 | {
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236 | this.id = id;
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237 | this.source = source;
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238 | this.source_nodes = source_nodes;
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239 | this.target = target;
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240 | this.target_node = target_node;
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241 | this.type = type;
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242 | }
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243 |
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244 |
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245 | public void run()
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246 | {
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247 | // Reset the progress bar and set it to indeterminate while calculating its size
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248 | GProgressBar progress_bar = file_queue.getProgressBar();
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249 | progress_bar.reset();
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250 | progress_bar.setIndeterminate(true);
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251 |
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252 | // Calculate the progress bar size
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253 | boolean cancelled = file_queue.calculateSize(source_nodes);
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254 | if (!cancelled) {
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255 | file_queue.addJob(id, source, source_nodes, target, target_node, type);
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256 | if (Gatherer.isGsdlRemote) {
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257 | String collection_name = CollectionManager.getLoadedCollectionName();
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258 |
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259 | // Perform the appropriate action based on the job type (RemoteGreenstoneServer will queue)
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260 | if (type == FileJob.COPY) {
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261 | // Copies: upload all the files at once in one zip file
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262 | File[] source_files = new File[source_nodes.length];
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263 | for (int i = 0; i < source_nodes.length; i++) {
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264 | source_files[i] = source_nodes[i].getFile();
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265 | }
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266 | Gatherer.remoteGreenstoneServer.uploadFilesIntoCollection(collection_name, source_files, target_node.getFile());
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267 | }
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268 | else if (type == FileJob.DELETE) {
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269 | // Deletes: delete each top-level file/directory one at a time
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270 | for (int i = 0; i < source_nodes.length; i++) {
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271 | Gatherer.remoteGreenstoneServer.deleteCollectionFile(collection_name, source_nodes[i].getFile());
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272 | }
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273 | }
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274 | else if (type == FileJob.MOVE) {
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275 | // Moves: move each top-level file/directory one at a time
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276 | for (int i = 0; i < source_nodes.length; i++) {
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277 | Gatherer.remoteGreenstoneServer.moveCollectionFile(
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278 | collection_name, source_nodes[i].getFile(), target_node.getFile());
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279 | }
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280 | }
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281 | }
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282 | }
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283 |
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284 | progress_bar.setIndeterminate(false);
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285 | progress_bar.clear();
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286 | }
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287 | }
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288 |
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289 | public void explodeMetadataDatabase(File file)
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290 | {
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291 | // This must go in a separate thread because we need the progress bar to work (remote Greenstone server)
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292 | new ExplodeMetadataDatabasePromptTask(file).start();
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293 | }
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294 |
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295 | // Works with replace_srcdoc_with_html.pl
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296 | public void replaceSrcDocWithHtml(File[] files)
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297 | {
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298 | // This must go in a separate thread because we need the progress bar to work (remote Greenstone server)
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299 | new ReplaceSrcDocWithHtmlPromptTask(files).start();
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300 | }
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301 |
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302 | private class ExplodeMetadataDatabasePromptTask
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303 | extends Thread
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304 | {
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305 | private File metadata_database_file = null;
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306 |
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307 | public ExplodeMetadataDatabasePromptTask(File metadata_database_file)
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308 | {
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309 | this.metadata_database_file = metadata_database_file;
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310 | }
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311 |
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312 | public void run()
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313 | {
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314 | ExplodeMetadataDatabasePrompt emp = new ExplodeMetadataDatabasePrompt(metadata_database_file);
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315 | }
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316 | }
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317 |
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318 | // Works with replace_srcdoc_with_html.pl
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319 | private class ReplaceSrcDocWithHtmlPromptTask
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320 | extends Thread
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321 | {
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322 | private File[] replace_these_srcdoc_files = null;
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323 |
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324 | public ReplaceSrcDocWithHtmlPromptTask(File[] replace_these_srcdoc_files)
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325 | {
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326 | this.replace_these_srcdoc_files = replace_these_srcdoc_files;
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327 | }
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328 |
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329 | public void run()
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330 | {
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331 | ReplaceSrcDocWithHtmlPrompt prompt = new ReplaceSrcDocWithHtmlPrompt(replace_these_srcdoc_files);
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332 | }
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333 | }
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334 |
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335 |
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336 | public void openFileInExternalApplication(File file)
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337 | {
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338 | // This must go in a separate thread because we need the progress bar to work (remote Greenstone server)
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339 | new OpenFileInExternalApplicationTask(file).start();
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340 | }
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341 |
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342 |
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343 | private class OpenFileInExternalApplicationTask
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344 | extends Thread
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345 | {
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346 | private File file = null;
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347 |
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348 | public OpenFileInExternalApplicationTask(File file)
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349 | {
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350 | this.file = file;
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351 | }
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352 |
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353 | public void run()
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354 | {
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355 | // If we're using a remote Greenstone server, we need to download the file before viewing it...
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356 | if (Gatherer.isGsdlRemote) {
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357 | // ... but only if it is inside the collection and we haven't already downloaded it
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358 | if (file.getAbsolutePath().startsWith(Gatherer.getCollectDirectoryPath()) && file.length() == 0) {
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359 | if (Gatherer.remoteGreenstoneServer.downloadCollectionFile(
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360 | CollectionManager.getLoadedCollectionName(), file).equals("")) {
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361 | // Something has gone wrong downloading the file
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362 | return;
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363 | }
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364 | }
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365 | }
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366 |
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367 | // View the file in an external application
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368 | Gatherer.spawnApplication(file);
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369 | }
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370 | }
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371 |
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372 |
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373 | public void newDummyDoc(DragTree tree, CollectionTreeNode parent_node){
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374 | newFolderOrDummyDoc(tree, parent_node, FILE_TYPE);
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375 | }
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376 |
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377 |
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378 | public void newFolder(DragTree tree, CollectionTreeNode parent_node) {
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379 | newFolderOrDummyDoc(tree, parent_node, FOLDER_TYPE);
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380 | }
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381 |
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382 |
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383 | protected void newFolderOrDummyDoc(DragTree tree, CollectionTreeNode parent_node, int type) {
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384 | (new NewFolderOrDummyDocumentTask(tree, parent_node, type)).start();
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385 | }
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386 |
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387 |
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388 | private class NewFolderOrDummyDocumentTask
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389 | extends Thread
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390 | {
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391 | private DragTree tree = null;
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392 | private CollectionTreeNode parent_node = null;
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393 | private int type;
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394 |
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395 | public NewFolderOrDummyDocumentTask(DragTree tree, CollectionTreeNode parent_node, int type)
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396 | {
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397 | this.tree = tree;
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398 | this.parent_node = parent_node;
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399 | this.type = type;
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400 | }
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401 |
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402 | public void run()
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403 | {
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404 | // Ask the user for the directories name.
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405 | String extension = "";
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406 | if (type == FILE_TYPE) {
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407 | extension = ".nul";
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408 | }
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409 |
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410 | NewFolderOrFilePrompt new_folder_prompt = new NewFolderOrFilePrompt(parent_node, type, extension);
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411 | String name = new_folder_prompt.display();
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412 | new_folder_prompt.dispose();
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413 | new_folder_prompt = null;
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414 |
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415 | // And if the name is non-null...
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416 | if (name != null) {
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417 | FileSystemModel model = (FileSystemModel) tree.getModel();
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418 | File folder_file = new File(parent_node.getFile(), name);
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419 |
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420 | //... check if it already exists.
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421 | if (folder_file.exists()) {
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422 | if (type == FILE_TYPE) {
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423 | JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("FileActions.File_Already_Exists_No_Create", name), Dictionary.get("General.Error"), JOptionPane.ERROR_MESSAGE);
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424 | }
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425 | else {
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426 | JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("FileActions.Folder_Already_Exists", name), Dictionary.get("General.Error"), JOptionPane.ERROR_MESSAGE);
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427 | }
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428 | }
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429 | // Otherwise create it.
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430 | else {
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431 | try {
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432 | if (type == FILE_TYPE) {
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433 | folder_file.createNewFile();
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434 | if (Gatherer.isGsdlRemote) {
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435 | Gatherer.remoteGreenstoneServer.uploadCollectionFile(
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436 | CollectionManager.getLoadedCollectionName(), folder_file);
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437 | }
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438 | }
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439 | else {
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440 | folder_file.mkdirs();
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441 | if (Gatherer.isGsdlRemote) {
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442 | Gatherer.remoteGreenstoneServer.newCollectionDirectory(
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443 | CollectionManager.getLoadedCollectionName(), folder_file);
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444 | }
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445 | }
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446 |
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447 | // Update the parent node to show the new folder
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448 | parent_node.refresh();
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449 |
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450 | // Refresh workspace tree (collection tree is done automatically)
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451 | Gatherer.g_man.refreshWorkspaceTree(DragTree.COLLECTION_CONTENTS_CHANGED);
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452 | }
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453 | catch (Exception exception) {
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454 | if (type == FILE_TYPE) {
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455 | JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("FileActions.File_Create_Error", name), Dictionary.get("General.Error"), JOptionPane.ERROR_MESSAGE);
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456 | }
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457 | else {
|
---|
458 | JOptionPane.showMessageDialog(Gatherer.g_man, Dictionary.get("FileActions.Folder_Create_Error", name), Dictionary.get("General.Error"), JOptionPane.ERROR_MESSAGE);
|
---|
459 | }
|
---|
460 | }
|
---|
461 | }
|
---|
462 |
|
---|
463 | folder_file = null;
|
---|
464 | model = null;
|
---|
465 | }
|
---|
466 | name = null;
|
---|
467 | }
|
---|
468 | }
|
---|
469 |
|
---|
470 |
|
---|
471 | public void renameCollectionFile(CollectionTree collection_tree, CollectionTreeNode collection_tree_node)
|
---|
472 | {
|
---|
473 | // This must go in a separate thread because we need the progress bar to work (remote Greenstone server)
|
---|
474 | new RenameTask(collection_tree, collection_tree_node).start();
|
---|
475 | }
|
---|
476 |
|
---|
477 |
|
---|
478 | private class RenameTask
|
---|
479 | extends Thread
|
---|
480 | {
|
---|
481 | private CollectionTree collection_tree = null;
|
---|
482 | private CollectionTreeNode collection_tree_node = null;
|
---|
483 |
|
---|
484 | public RenameTask(CollectionTree collection_tree, CollectionTreeNode collection_tree_node)
|
---|
485 | {
|
---|
486 | this.collection_tree = collection_tree;
|
---|
487 | this.collection_tree_node = collection_tree_node;
|
---|
488 | }
|
---|
489 |
|
---|
490 | public void run()
|
---|
491 | {
|
---|
492 | RenamePrompt rename_prompt = new RenamePrompt(collection_tree_node);
|
---|
493 | String new_collection_file_name = rename_prompt.display();
|
---|
494 | rename_prompt.dispose();
|
---|
495 | rename_prompt = null;
|
---|
496 |
|
---|
497 | if (new_collection_file_name != null) {
|
---|
498 | File collection_file = collection_tree_node.getFile();
|
---|
499 | File new_collection_file = new File(collection_file.getParentFile(), new_collection_file_name);
|
---|
500 | CollectionTreeNode new_collection_tree_node = new CollectionTreeNode(new_collection_file);
|
---|
501 | file_queue.addJob(System.currentTimeMillis(), collection_tree, new FileNode[] { collection_tree_node }, collection_tree, new_collection_tree_node, FileJob.RENAME);
|
---|
502 | if (Gatherer.isGsdlRemote) {
|
---|
503 | Gatherer.remoteGreenstoneServer.moveCollectionFile(
|
---|
504 | CollectionManager.getLoadedCollectionName(), collection_file, new_collection_file);
|
---|
505 | }
|
---|
506 | }
|
---|
507 | }
|
---|
508 | }
|
---|
509 |
|
---|
510 | public void replaceCollectionFile(CollectionTree collection_tree, CollectionTreeNode collection_tree_node)
|
---|
511 | {
|
---|
512 | // This must go in a separate thread because we need the progress bar to work (remote Greenstone server)
|
---|
513 | new ReplaceTask(collection_tree, collection_tree_node).start();
|
---|
514 | }
|
---|
515 |
|
---|
516 |
|
---|
517 | private class ReplaceTask
|
---|
518 | extends Thread
|
---|
519 | {
|
---|
520 | private CollectionTree collection_tree = null;
|
---|
521 | private CollectionTreeNode collection_tree_node = null;
|
---|
522 |
|
---|
523 | public ReplaceTask(CollectionTree collection_tree, CollectionTreeNode collection_tree_node)
|
---|
524 | {
|
---|
525 | this.collection_tree = collection_tree;
|
---|
526 | this.collection_tree_node = collection_tree_node;
|
---|
527 | }
|
---|
528 |
|
---|
529 | public void run()
|
---|
530 | {
|
---|
531 | JFileChooser file_chooser = new JFileChooser(startup_directory);
|
---|
532 | file_chooser.setDialogTitle(Dictionary.get("ReplacePrompt.Title"));
|
---|
533 | File new_file = null;
|
---|
534 | int return_val = file_chooser.showOpenDialog(null);
|
---|
535 | if(return_val == JFileChooser.APPROVE_OPTION) {
|
---|
536 | new_file = file_chooser.getSelectedFile();
|
---|
537 | }
|
---|
538 |
|
---|
539 | if (new_file == null) {
|
---|
540 | return;
|
---|
541 | }
|
---|
542 |
|
---|
543 | // save the search path for next time
|
---|
544 | startup_directory = new_file.getParentFile();
|
---|
545 | // make up a node for the file to bring in
|
---|
546 | WorkspaceTreeNode source_node = new WorkspaceTreeNode(new_file);
|
---|
547 |
|
---|
548 | File target_directory = collection_tree_node.getFile().getParentFile();
|
---|
549 | CollectionTreeNode new_collection_tree_node = new CollectionTreeNode(new File(target_directory, new_file.getName()));
|
---|
550 | // copy the new file in - but don't bring metadata
|
---|
551 | file_queue.addJob(System.currentTimeMillis(), Gatherer.g_man.gather_pane.workspace_tree, new FileNode[] { source_node }, collection_tree, (FileNode)collection_tree_node.getParent(), FileJob.COPY_FILE_ONLY);
|
---|
552 | if (Gatherer.isGsdlRemote) {
|
---|
553 | String collection_name = CollectionManager.getLoadedCollectionName();
|
---|
554 | Gatherer.remoteGreenstoneServer.deleteCollectionFile(collection_name, collection_tree_node.getFile());
|
---|
555 | Gatherer.remoteGreenstoneServer.uploadFilesIntoCollection(collection_name, new File[] { new_file }, target_directory);
|
---|
556 | }
|
---|
557 | // do a replace of old file with new file
|
---|
558 | file_queue.addJob(System.currentTimeMillis(), collection_tree, new FileNode[] { collection_tree_node }, collection_tree, new_collection_tree_node, FileJob.REPLACE);
|
---|
559 | }
|
---|
560 | }
|
---|
561 | }
|
---|