2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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19 /*///////////////////////////////////////////////////////////////////
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20 // This file was taken from java forum
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21 // Re: JFileChooser functioning like normal Windows Apps FileChooser
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23 // http://forum.java.sun.com/thread.jspa?forumID=57&threadID=327712
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26 //////////////////////////////////////////////////////////////////
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30 import java.awt.event.*;
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36 import javax.swing.*;
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37 import javax.swing.plaf.*;
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38 import javax.swing.plaf.basic.*;
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39 import javax.swing.plaf.metal.*;
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40 import javax.swing.table.*;
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43 public class JalviewFileChooser extends JFileChooser {
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44 private static final int COLUMN_FILENAME = 0;
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45 private static final int COLUMN_FILESIZE = 1;
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46 private static final int COLUMN_FILETYPE = 2;
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47 private static final int COLUMN_FILEDATE = 3;
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48 private static final int COLUMN_FILEATTR = 4;
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49 private static final int COLUMN_COLCOUNT = 5;
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50 private static String[] COLUMNS = null;
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52 public JalviewFileChooser(String dir, String[] suffix, String[] desc,
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56 JalviewFileFilter chosen = null;
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58 for (int i = 0; i < suffix.length; i++) {
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59 JalviewFileFilter jvf = new JalviewFileFilter(suffix[i], desc[i]);
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60 addChoosableFileFilter(jvf);
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62 if ((selected != null) && selected.equalsIgnoreCase(desc[i])) {
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67 if (chosen != null) {
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68 setFileFilter(chosen);
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74 public JalviewFileChooser(String dir) {
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79 public String getSelectedFormat() {
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80 String format = getFileFilter().getDescription();
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82 if (format.toUpperCase().startsWith("JALVIEW")) {
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84 } else if (format.toUpperCase().startsWith("FASTA")) {
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86 } else if (format.toUpperCase().startsWith("MSF")) {
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88 } else if (format.toUpperCase().startsWith("CLUSTAL")) {
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90 } else if (format.toUpperCase().startsWith("BLC")) {
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92 } else if (format.toUpperCase().startsWith("PIR")) {
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94 } else if (format.toUpperCase().startsWith("PFAM")) {
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101 public int showSaveDialog(Component parent) throws HeadlessException {
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102 setDialogType(SAVE_DIALOG);
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104 int ret = showDialog(parent, null);
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106 if (getFileFilter() instanceof JalviewFileFilter) {
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107 JalviewFileFilter jvf = (JalviewFileFilter) getFileFilter();
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109 if (!jvf.accept(getSelectedFile())) {
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110 String withExtension = getSelectedFile() + "." +
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111 jvf.getAcceptableExtension();
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112 setSelectedFile(new File(withExtension));
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116 if ((ret == JalviewFileChooser.APPROVE_OPTION) &&
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117 getSelectedFile().exists()) {
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118 int confirm = JOptionPane.showConfirmDialog(parent,
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119 "Overwrite existing file?", "File exists",
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120 JOptionPane.YES_NO_OPTION);
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122 if (confirm != JOptionPane.YES_OPTION) {
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123 ret = this.CANCEL_OPTION;
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130 void initColumns() {
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131 if (COLUMNS == null) {
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132 Locale l = getLocale();
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133 COLUMNS = new String[] {
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134 UIManager.getString("FileChooser.fileNameHeaderText", l),
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135 UIManager.getString("FileChooser.fileSizeHeaderText", l),
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136 UIManager.getString("FileChooser.fileTypeHeaderText", l),
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137 UIManager.getString("FileChooser.fileDateHeaderText", l),
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138 UIManager.getString("FileChooser.fileAttrHeaderText", l)
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143 /**************************************************************************
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144 * Always create the local UI
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146 *************************************************************************/
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147 public final void setUI(ComponentUI comp) {
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148 super.setUI(new UI(this));
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151 /**************************************************************************
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152 * Internal implementation of Metal LookAndFeel to create the table sorting
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154 *************************************************************************/
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155 private final static class UI extends MetalFileChooserUI {
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156 private DirectoryModel model;
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158 /**************************************************************************
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159 * Must be overridden to extend
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161 *************************************************************************/
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162 public UI(JFileChooser e) {
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166 /**************************************************************************
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167 * Overridden to create our own model
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168 *************************************************************************/
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169 protected final void createModel() {
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170 model = new DirectoryModel(getFileChooser());
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173 /**************************************************************************
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174 * Overridden to get our own model
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176 *************************************************************************/
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177 public final BasicDirectoryModel getModel() {
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181 /**************************************************************************
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182 * Calls the default method then adds a MouseListener to the JTable
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185 *************************************************************************/
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186 protected final JPanel createDetailsView(JFileChooser chooser) {
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187 final JPanel panel = super.createDetailsView(chooser);
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189 //Since we can't access MetalFileChooserUI's private member detailsTable
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190 //directly, we have to find it in the JPanel
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191 final JTable tbl = findJTable(panel.getComponents());
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194 //Fix the columns so they can't be rearranged, if we don't do this
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195 //we would need to keep track when each column is moved
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196 tbl.getTableHeader().setReorderingAllowed(false);
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198 //Add a mouselistener to listen for clicks on column headers
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199 tbl.getTableHeader().addMouseListener(new MouseAdapter() {
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200 public void mouseClicked(MouseEvent e) {
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201 //Only process single clicks
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202 if (e.getClickCount() > 1) {
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208 final int col = tbl.getTableHeader().columnAtPoint(e.getPoint());
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210 if ((col == COLUMN_FILENAME) ||
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211 (col == COLUMN_FILESIZE) ||
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212 (col == COLUMN_FILEDATE)) {
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213 model.sort(col, tbl);
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222 /**************************************************************************
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223 * Finds the JTable in the panel so we can add MouseListener
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226 *************************************************************************/
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227 private final static JTable findJTable(Component[] comp) {
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228 for (int i = 0; i < comp.length; i++) {
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229 if (comp[i] instanceof JTable) {
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230 return (JTable) comp[i];
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233 if (comp[i] instanceof Container) {
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234 JTable tbl = findJTable(((Container) comp[i]).getComponents());
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246 /***************************************************************************
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247 * Implementation of BasicDirectoryModel that sorts the Files by column
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248 **************************************************************************/
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249 private final static class DirectoryModel extends BasicDirectoryModel {
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253 /**************************************************************************
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254 * Must be overridden to extend BasicDirectoryModel
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256 *************************************************************************/
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257 DirectoryModel(JFileChooser chooser) {
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261 /**************************************************************************
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262 * Supposedly this is not used anymore, hopefully not. We implemented
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263 * some basic attempt at sorting just in case
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267 *************************************************************************/
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268 protected final boolean lt(File a, File b) {
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269 System.out.println("DEBUG:LT called?");
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271 boolean less = false;
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274 case COLUMN_FILEDATE:
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275 less = a.lastModified() > b.lastModified();
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279 case COLUMN_FILESIZE:
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280 less = a.length() > b.length();
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285 less = a.getName().compareToIgnoreCase(b.getName()) > 0;
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291 return less = !less;
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297 /**************************************************************************
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298 * Resorts the JFileChooser table based on new column
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300 *************************************************************************/
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301 protected final void sort(int c, JTable tbl) {
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302 //Set column and order
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304 ascending = !ascending;
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306 String indicator = " (^)";
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309 indicator = " (v)";
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312 final JTableHeader th = tbl.getTableHeader();
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313 final TableColumnModel tcm = th.getColumnModel();
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315 for (int i = 0; i < JalviewFileChooser.COLUMN_COLCOUNT; i++) {
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316 final TableColumn tc = tcm.getColumn(i); // the column to change
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317 tc.setHeaderValue(COLUMNS[i]);
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320 final TableColumn tc = tcm.getColumn(col); // the column to change
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321 tc.setHeaderValue(COLUMNS[col] + indicator);
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325 //Requery the file listing
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326 validateFileCache();
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329 /**************************************************************************
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330 * Sorts the data based on current column setting
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332 *************************************************************************/
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333 protected final void sort(Vector data) {
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335 case COLUMN_FILEDATE:
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336 Collections.sort(data,
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338 public int compare(Object o1, Object o2) {
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340 final File a = (File) o1;
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341 final File b = (File) o2;
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343 if (a.lastModified() > b.lastModified()) {
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345 } else if (a.lastModified() == b.lastModified()) {
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360 case COLUMN_FILESIZE:
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361 Collections.sort(data,
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363 public int compare(Object o1, Object o2) {
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365 final File a = (File) o1;
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366 final File b = (File) o2;
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368 if (a.length() > b.length()) {
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370 } else if (a.length() == b.length()) {
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385 case COLUMN_FILENAME:
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386 Collections.sort(data,
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388 public int compare(Object o1, Object o2) {
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389 final File a = (File) o1;
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390 final File b = (File) o2;
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393 return a.getName().compareToIgnoreCase(b.getName());
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395 return -1 * a.getName().compareToIgnoreCase(b.getName());
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