2 * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.
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4 * This file is part of GSS.
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6 * GSS is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * GSS is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with GSS. If not, see <http://www.gnu.org/licenses/>.
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19 package gr.ebs.gss.client;
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21 import gr.ebs.gss.client.dnd.DnDFocusPanel;
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22 import gr.ebs.gss.client.dnd.DnDTreeItem;
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23 import gr.ebs.gss.client.rest.GetCommand;
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24 import gr.ebs.gss.client.rest.MultipleHeadCommand;
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25 import gr.ebs.gss.client.rest.RestCommand;
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26 import gr.ebs.gss.client.rest.RestException;
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27 import gr.ebs.gss.client.rest.resource.FileResource;
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28 import gr.ebs.gss.client.rest.resource.FolderResource;
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29 import gr.ebs.gss.client.rest.resource.OtherUserResource;
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30 import gr.ebs.gss.client.rest.resource.SharedResource;
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31 import gr.ebs.gss.client.rest.resource.TrashResource;
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32 import gr.ebs.gss.client.rest.resource.UserResource;
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34 import java.util.ArrayList;
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35 import java.util.Collections;
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36 import java.util.Comparator;
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37 import java.util.List;
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39 import com.google.gwt.core.client.GWT;
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40 import com.google.gwt.http.client.URL;
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41 import com.google.gwt.i18n.client.DateTimeFormat;
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42 import com.google.gwt.user.client.DOM;
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43 import com.google.gwt.user.client.DeferredCommand;
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44 import com.google.gwt.user.client.Event;
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45 import com.google.gwt.user.client.IncrementalCommand;
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46 import com.google.gwt.user.client.Window;
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47 import com.google.gwt.user.client.ui.AbstractImagePrototype;
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48 import com.google.gwt.user.client.ui.ClickListener;
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49 import com.google.gwt.user.client.ui.Composite;
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50 import com.google.gwt.user.client.ui.Grid;
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51 import com.google.gwt.user.client.ui.HTML;
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52 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
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53 import com.google.gwt.user.client.ui.HorizontalPanel;
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54 import com.google.gwt.user.client.ui.SourcesTableEvents;
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55 import com.google.gwt.user.client.ui.TableListener;
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56 import com.google.gwt.user.client.ui.TreeItem;
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57 import com.google.gwt.user.client.ui.Widget;
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60 * A composite that displays the list of files in a particular folder.
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62 public class FileList extends Composite implements TableListener, ClickListener {
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64 private HTML prevButton = new HTML("<a href='javascript:;'>< Previous</a>", true);
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66 private HTML nextButton = new HTML("<a href='javascript:;'>Next ></a>", true);
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68 private String showingStats = "";
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70 private int startIndex = 0;
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73 * A constant that denotes the completion of an IncrementalCommand.
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75 public static final boolean DONE = false;
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77 private boolean clickControl = false;
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79 private boolean clickShift = false;
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81 private int firstShift = -1;
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83 private ArrayList<Integer> selectedRows = new ArrayList<Integer>();
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86 * The context menu for the selected file.
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88 final DnDFocusPanel contextMenu;
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91 * Specifies that the images available for this composite will be the ones
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92 * available in FileContextMenu.
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94 public interface Images extends FileContextMenu.Images, Folders.Images {
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96 @Resource("gr/ebs/gss/resources/blank.gif")
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97 AbstractImagePrototype blank();
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99 @Resource("gr/ebs/gss/resources/asc.png")
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100 AbstractImagePrototype asc();
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102 @Resource("gr/ebs/gss/resources/desc.png")
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103 AbstractImagePrototype desc();
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105 @Resource("gr/ebs/gss/resources/mimetypes/document_shared.png")
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106 AbstractImagePrototype documentShared();
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108 @Resource("gr/ebs/gss/resources/mimetypes/kcmfontinst.png")
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109 AbstractImagePrototype wordprocessor();
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111 @Resource("gr/ebs/gss/resources/mimetypes/log.png")
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112 AbstractImagePrototype spreadsheet();
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114 @Resource("gr/ebs/gss/resources/mimetypes/kpresenter_kpr.png")
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115 AbstractImagePrototype presentation();
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117 @Resource("gr/ebs/gss/resources/mimetypes/acroread.png")
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118 AbstractImagePrototype pdf();
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120 @Resource("gr/ebs/gss/resources/mimetypes/image.png")
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121 AbstractImagePrototype image();
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123 @Resource("gr/ebs/gss/resources/mimetypes/video2.png")
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124 AbstractImagePrototype video();
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126 @Resource("gr/ebs/gss/resources/mimetypes/knotify.png")
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127 AbstractImagePrototype audio();
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129 @Resource("gr/ebs/gss/resources/mimetypes/html.png")
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130 AbstractImagePrototype html();
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132 @Resource("gr/ebs/gss/resources/mimetypes/txt.png")
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133 AbstractImagePrototype txt();
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135 @Resource("gr/ebs/gss/resources/mimetypes/ark2.png")
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136 AbstractImagePrototype zip();
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138 @Resource("gr/ebs/gss/resources/mimetypes/kcmfontinst_shared.png")
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139 AbstractImagePrototype wordprocessorShared();
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141 @Resource("gr/ebs/gss/resources/mimetypes/log_shared.png")
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142 AbstractImagePrototype spreadsheetShared();
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144 @Resource("gr/ebs/gss/resources/mimetypes/kpresenter_kpr_shared.png")
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145 AbstractImagePrototype presentationShared();
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147 @Resource("gr/ebs/gss/resources/mimetypes/acroread_shared.png")
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148 AbstractImagePrototype pdfShared();
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150 @Resource("gr/ebs/gss/resources/mimetypes/image_shared.png")
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151 AbstractImagePrototype imageShared();
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153 @Resource("gr/ebs/gss/resources/mimetypes/video2_shared.png")
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154 AbstractImagePrototype videoShared();
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156 @Resource("gr/ebs/gss/resources/mimetypes/knotify_shared.png")
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157 AbstractImagePrototype audioShared();
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159 @Resource("gr/ebs/gss/resources/mimetypes/html_shared.png")
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160 AbstractImagePrototype htmlShared();
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162 @Resource("gr/ebs/gss/resources/mimetypes/txt_shared.png")
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163 AbstractImagePrototype txtShared();
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165 @Resource("gr/ebs/gss/resources/mimetypes/ark2_shared.png")
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166 AbstractImagePrototype zipShared();
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171 * A label with the number of files in this folder.
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173 private HTML countLabel = new HTML();
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176 * The table widget with the file list.
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178 private Grid table = new Grid(GSS.VISIBLE_FILE_COUNT + 1, 8);
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181 * The navigation bar for paginating the results.
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183 private HorizontalPanel navBar = new HorizontalPanel();
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186 * The number of files in this folder.
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188 int folderFileCount;
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191 * Total folder size
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193 long folderTotalSize;
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196 * A cache of the files in the list.
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198 private List<FileResource> files;
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201 * The widget's image bundle.
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203 private final Images images;
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205 private String sortingProperty = "name";
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207 private boolean sortingType = true;
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209 private HTML nameLabel;
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211 private HTML versionLabel;
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213 private HTML sizeLabel;
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215 private HTML dateLabel;
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217 private HTML ownerLabel;
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219 private HTML pathLabel;
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222 * Construct the file list widget. This entails setting up the widget
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223 * layout, fetching the number of files in the current folder from the
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224 * server and filling the local file cache of displayed files with data from
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225 * the server, as well.
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229 public FileList(Images _images) {
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232 prevButton.addClickListener(this);
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233 nextButton.addClickListener(this);
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235 contextMenu = new DnDFocusPanel(new HTML(images.fileContextMenu().getHTML()));
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236 contextMenu.addClickListener(new FileContextMenu(images, false, false));
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237 GSS.get().getDragController().makeDraggable(contextMenu);
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239 // Setup the table.
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240 table.setCellSpacing(0);
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241 table.setCellPadding(2);
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242 table.setWidth("100%");
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245 table.addTableListener(this);
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247 // Create the 'navigation' bar at the upper-right.
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248 HorizontalPanel innerNavBar = new HorizontalPanel();
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249 innerNavBar.setStyleName("gss-ListNavBar");
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250 innerNavBar.setSpacing(8);
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251 innerNavBar.add(prevButton);
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252 innerNavBar.add(countLabel);
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253 innerNavBar.add(nextButton);
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254 navBar.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_RIGHT);
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255 navBar.add(innerNavBar);
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256 navBar.setWidth("100%");
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259 setStyleName("gss-List");
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262 DeferredCommand.addCommand(new IncrementalCommand() {
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264 public boolean execute() {
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265 return fetchRootFolder();
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268 sinkEvents(Event.ONCONTEXTMENU);
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269 sinkEvents(Event.ONMOUSEUP);
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270 sinkEvents(Event.ONCLICK);
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271 sinkEvents(Event.ONKEYDOWN);
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272 sinkEvents(Event.ONDBLCLICK);
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273 GSS.preventIESelection();
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276 public void onClick(Widget sender) {
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277 if (sender == nextButton) {
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278 // Move forward a page.
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279 clearSelectedRows();
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280 startIndex += GSS.VISIBLE_FILE_COUNT;
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281 if (startIndex >= folderFileCount)
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282 startIndex -= GSS.VISIBLE_FILE_COUNT;
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285 } else if (sender == prevButton) {
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286 clearSelectedRows();
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287 // Move back a page.
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288 startIndex -= GSS.VISIBLE_FILE_COUNT;
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289 if (startIndex < 0)
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297 public void onBrowserEvent(Event event) {
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298 if (files == null || files.size() == 0) {
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299 if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && selectedRows.size() == 0) {
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300 FileContextMenu fm = new FileContextMenu(images, false, true);
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301 fm.onEmptyEvent(event);
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305 if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && selectedRows.size() != 0) {
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306 FileContextMenu fm = new FileContextMenu(images, false, false);
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308 } else if (DOM.eventGetType(event) == Event.ONCONTEXTMENU && selectedRows.size() == 0) {
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309 FileContextMenu fm = new FileContextMenu(images, false, true);
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310 fm.onEmptyEvent(event);
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311 } else if (DOM.eventGetType(event) == Event.ONDBLCLICK)
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312 if (getSelectedFiles().size() == 1) {
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313 GSS app = GSS.get();
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314 FileResource file = getSelectedFiles().get(0);
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315 String dateString = RestCommand.getDate();
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316 String resource = file.getUri().substring(app.getApiPath().length() - 1, file.getUri().length());
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317 String sig = app.getCurrentUserResource().getUsername() + " " +
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318 RestCommand.calculateSig("GET", dateString, resource,
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319 RestCommand.base64decode(app.getToken()));
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320 Window.open(file.getUri() + "?Authorization=" + URL.encodeComponent(sig) + "&Date=" + URL.encodeComponent(dateString), "_blank", "");
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321 event.preventDefault();
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324 if (DOM.eventGetType(event) == Event.ONCLICK) {
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325 if (DOM.eventGetCtrlKey(event))
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326 clickControl = true;
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328 clickControl = false;
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329 if (DOM.eventGetShiftKey(event)) {
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331 if (selectedRows.size() == 1)
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332 firstShift = selectedRows.get(0) - startIndex;
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333 event.preventDefault();
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335 clickShift = false;
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337 event.preventDefault();
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340 super.onBrowserEvent(event);
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344 * Retrieve the root folder for the current user.
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346 * @return true if the retrieval was successful
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348 protected boolean fetchRootFolder() {
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349 UserResource user = GSS.get().getCurrentUserResource();
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352 // Update cache and clear selection.
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353 updateFileCache(true);
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357 public void onCellClicked(SourcesTableEvents sender, int row, int cell) {
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358 // Select the row that was clicked (-1 to account for header row).
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359 if (row > folderFileCount)
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362 GWT.log("Row is: " + row + " fs: " + firstShift, null);
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363 if (firstShift == -1)
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365 else if (row > firstShift) {
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366 clearSelectedRows();
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367 for (int i = firstShift; i < row; i++) {
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368 selectedRows.add(startIndex + i);
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371 GSS.get().setCurrentSelection(getSelectedFiles());
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372 contextMenu.setFiles(getSelectedFiles());
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373 makeRowDraggable(row);
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374 } else if (row != -1 && row == firstShift) {
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375 selectedRows.add(row - 1);
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376 styleRow(row, true);
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377 styleRow(row - 1, true);
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378 GSS.get().setCurrentSelection(getSelectedFiles());
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379 contextMenu.setFiles(getSelectedFiles());
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380 makeRowDraggable(row);
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381 } else if (row < firstShift) {
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382 GWT.log("Row is:" + row + " fs:" + firstShift, null);
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383 clearSelectedRows();
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385 for (int i = firstShift; i >= row - 1; i--) {
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386 selectedRows.add(startIndex + i);
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389 GSS.get().setCurrentSelection(getSelectedFiles());
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390 makeRowDraggable(row);
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391 contextMenu.setFiles(getSelectedFiles());
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393 } else if (row > 0)
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394 selectRow(row - 1);
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398 * Initializes the table so that it contains enough rows for a full page of
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401 private void initTable() {
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402 nameLabel = new HTML("Name");
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403 nameLabel.addClickListener(new ClickListener() {
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405 public void onClick(Widget sender) {
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411 versionLabel = new HTML("Version");
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412 versionLabel.addClickListener(new ClickListener() {
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414 public void onClick(Widget sender) {
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415 sortFiles("version");
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420 sizeLabel = new HTML("Size");
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421 sizeLabel.addClickListener(new ClickListener() {
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423 public void onClick(Widget sender) {
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429 dateLabel = new HTML("Date");
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430 dateLabel.addClickListener(new ClickListener() {
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432 public void onClick(Widget sender) {
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438 ownerLabel = new HTML("Owner");
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439 ownerLabel.addClickListener(new ClickListener() {
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441 public void onClick(Widget sender) {
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442 sortFiles("owner");
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447 pathLabel = new HTML("Path");
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448 pathLabel.addClickListener(new ClickListener() {
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450 public void onClick(Widget sender) {
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456 // Create the header row.
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457 table.setText(0, 0, "");
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458 table.setWidget(0, 1, nameLabel);
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459 table.setWidget(0, 2, ownerLabel);
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460 table.setWidget(0, 3, pathLabel);
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461 table.setWidget(0, 4, versionLabel);
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462 table.setWidget(0, 5, sizeLabel);
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463 table.setWidget(0, 6, dateLabel);
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464 table.setWidget(0, 7, navBar);
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465 table.getRowFormatter().setStyleName(0, "gss-ListHeader");
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467 // Initialize the rest of the rows.
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468 for (int i = 1; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) {
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469 table.setText(i, 0, "");
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470 table.setText(i, 1, "");
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471 table.setText(i, 2, "");
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472 table.setText(i, 3, "");
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473 table.setText(i, 4, "");
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474 table.setText(i, 5, "");
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475 table.setText(i, 6, "");
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476 table.setText(i, 7, "");
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477 table.getCellFormatter().setWordWrap(i, 0, false);
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478 table.getCellFormatter().setWordWrap(i, 1, false);
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479 table.getCellFormatter().setWordWrap(i, 2, false);
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480 table.getCellFormatter().setWordWrap(i, 3, false);
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481 table.getCellFormatter().setWordWrap(i, 4, false);
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482 table.getCellFormatter().setWordWrap(i, 5, false);
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483 table.getCellFormatter().setWordWrap(i, 6, false);
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484 table.getCellFormatter().setWordWrap(i, 7, false);
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485 table.getCellFormatter().setHorizontalAlignment(i, 4, HasHorizontalAlignment.ALIGN_CENTER);
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487 prevButton.setVisible(false);
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488 nextButton.setVisible(false);
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492 * Selects the given row (relative to the current page).
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494 * @param row the row to be selected
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496 private void selectRow(final int row) {
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497 if (row < folderFileCount) {
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499 if (selectedRows.contains(row)) {
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500 int i = selectedRows.indexOf(startIndex + row);
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501 selectedRows.remove(i);
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502 styleRow(row, false);
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504 selectedRows.add(startIndex + row);
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505 styleRow(row, true);
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507 else if (selectedRows.size() == 1 && selectedRows.contains(row)){
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508 clearSelectedRows();
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512 clearSelectedRows();
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513 selectedRows.add(startIndex + row);
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514 styleRow(row, true);
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516 if (selectedRows.size() == 1)
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517 GSS.get().setCurrentSelection(files.get(selectedRows.get(0)));
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518 else if(selectedRows.size() == 0)
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519 GSS.get().setCurrentSelection(null);
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521 GSS.get().setCurrentSelection(getSelectedFiles());
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522 contextMenu.setFiles(getSelectedFiles());
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523 makeRowDraggable(row+1);
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527 public List<FileResource> getSelectedFiles() {
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528 List<FileResource> result = new ArrayList();
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529 for (int i : selectedRows)
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530 result.add(files.get(i));
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535 * Make the specified row look like selected or not, according to the
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536 * <code>selected</code> flag.
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541 void styleRow(final int row, final boolean selected) {
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542 if (row != -1 && row >= 0)
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544 table.getRowFormatter().addStyleName(row + 1, "gss-SelectedRow");
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546 table.getRowFormatter().removeStyleName(row + 1, "gss-SelectedRow");
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550 * Update the display of the file list.
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553 int count = folderFileCount;
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554 int max = startIndex + GSS.VISIBLE_FILE_COUNT;
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557 folderTotalSize = 0;
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559 // Show the selected files.
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561 for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) {
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562 // Don't read past the end.
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563 // if (i > folderFileCount)
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565 if (startIndex + i > folderFileCount)
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567 // Add a new row to the table, then set each of its columns to the
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569 FileResource file = files.get(startIndex + i - 1);
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570 table.setWidget(i, 0, getFileIcon(file).createImage());
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571 table.getRowFormatter().addStyleName(i, "gss-fileRow");
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573 table.setHTML(i, 1, file.getName());
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574 table.setText(i, 2, file.getOwner());
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575 table.setText(i, 3, file.getPath());
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576 table.setText(i, 4, String.valueOf(file.getVersion()));
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577 table.setText(i, 5, String.valueOf(file.getFileSizeAsString()));
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578 final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");
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579 table.setText(i, 6, formatter.format(file.getCreationDate()));
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580 folderTotalSize += file.getContentLength();
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583 // Clear any remaining slots.
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584 for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) {
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585 table.setHTML(i, 0, " ");
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586 table.setHTML(i, 1, " ");
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587 table.setHTML(i, 2, " ");
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588 table.setHTML(i, 3, " ");
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589 table.setHTML(i, 4, " ");
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590 table.setHTML(i, 5, " ");
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591 table.setHTML(i, 6, " ");
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592 table.setHTML(i, 7, " ");
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595 if (folderFileCount == 0) {
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596 showingStats = "no files";
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597 prevButton.setVisible(false);
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598 nextButton.setVisible(false);
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599 } else if (folderFileCount < GSS.VISIBLE_FILE_COUNT) {
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600 if (folderFileCount == 1)
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601 showingStats = "1 file";
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603 showingStats = folderFileCount + " files";
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604 showingStats += " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")";
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605 prevButton.setVisible(false);
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606 nextButton.setVisible(false);
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608 showingStats = "" + (startIndex + 1) + " - " + max + " of " + count + " files" + " (" + FileResource.getFileSizeAsString(folderTotalSize) + ")";
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609 prevButton.setVisible(startIndex != 0);
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610 nextButton.setVisible(startIndex + GSS.VISIBLE_FILE_COUNT < count);
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612 updateCurrentlyShowingStats();
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617 * Return the proper icon based on the MIME type of the file.
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622 private AbstractImagePrototype getFileIcon(FileResource file) {
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623 String mimetype = file.getContentType();
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624 boolean shared = file.isShared();
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625 if (mimetype == null)
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626 return shared ? images.documentShared() : images.document();
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627 mimetype = mimetype.toLowerCase();
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628 if (mimetype.startsWith("application/pdf"))
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629 return shared ? images.pdfShared() : images.pdf();
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630 else if (mimetype.startsWith("application/vnd.ms-excel"))
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631 return shared ? images.spreadsheetShared() : images.spreadsheet();
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632 else if (mimetype.startsWith("application/msword"))
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633 return shared ? images.wordprocessorShared() : images.wordprocessor();
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634 else if (mimetype.startsWith("application/vnd.ms-powerpoint"))
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635 return shared ? images.presentationShared() : images.presentation();
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636 else if (mimetype.startsWith("application/zip") ||
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637 mimetype.startsWith("application/gzip") ||
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638 mimetype.startsWith("application/x-gzip") ||
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639 mimetype.startsWith("application/x-tar") ||
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640 mimetype.startsWith("application/x-gtar"))
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641 return shared ? images.zipShared() : images.zip();
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642 else if (mimetype.startsWith("text/html"))
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643 return shared ? images.htmlShared() : images.html();
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644 else if (mimetype.startsWith("text/plain"))
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645 return shared ? images.txtShared() : images.txt();
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646 else if (mimetype.startsWith("image/"))
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647 return shared ? images.imageShared() : images.image();
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648 else if (mimetype.startsWith("video/"))
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649 return shared ? images.videoShared() : images.video();
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650 else if (mimetype.startsWith("audio/"))
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651 return shared ? images.audioShared() : images.audio();
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652 return shared ? images.documentShared() : images.document();
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656 * Update status panel with currently showing file stats.
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658 public void updateCurrentlyShowingStats() {
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659 GSS.get().getStatusPanel().updateCurrentlyShowing(showingStats);
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663 * Adjust the height of the table by adding and removing rows as necessary.
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665 * @param newHeight the new height to reach
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667 void resizeTableHeight(final int newHeight) {
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668 GWT.log("Panel: " + newHeight + ", parent: " + table.getParent().getOffsetHeight(), null);
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669 // Fill the rest with empty slots.
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670 if (newHeight > table.getOffsetHeight())
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671 while (newHeight > table.getOffsetHeight()) {
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672 table.resizeRows(table.getRowCount() + 1);
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673 GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null);
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676 while (newHeight < table.getOffsetHeight()) {
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677 table.resizeRows(table.getRowCount() - 1);
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678 GWT.log("Table: " + table.getOffsetHeight() + ", rows: " + table.getRowCount(), null);
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682 public void updateFileCache(boolean updateSelectedFolder, final boolean clearSelection) {
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683 if (!updateSelectedFolder && !GSS.get().getFolders().getTrashItem().equals(GSS.get().getFolders().getCurrent()))
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684 updateFileCache(clearSelection);
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685 else if (GSS.get().getFolders().getCurrent() != null) {
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686 final DnDTreeItem folderItem = (DnDTreeItem) GSS.get().getFolders().getCurrent();
\r
687 if (folderItem.getFolderResource() != null) {
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689 GetCommand<FolderResource> gf = new GetCommand<FolderResource>(FolderResource.class, folderItem.getFolderResource().getUri()) {
\r
692 public void onComplete() {
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693 folderItem.setUserObject(getResult());
\r
694 if(GSS.get().getFolders().isFileItem(folderItem)){
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695 String[] filePaths = new String[folderItem.getFolderResource().getFilePaths().size()];
\r
697 for(String fpath : folderItem.getFolderResource().getFilePaths()){
\r
698 filePaths[c] = fpath + "?" + Math.random();
\r
701 MultipleHeadCommand<FileResource> getFiles = new MultipleHeadCommand<FileResource>(FileResource.class, filePaths){
\r
704 public void onComplete(){
\r
705 List<FileResource> result = getResult();
\r
706 //remove random from path
\r
707 for(FileResource r : result){
\r
708 String p = r.getUri();
\r
709 int indexOfQuestionMark = p.lastIndexOf('?');
\r
710 if(indexOfQuestionMark>0)
\r
711 r.setUri(p.substring(0, indexOfQuestionMark));
\r
713 folderItem.getFolderResource().setFiles(result);
\r
714 updateFileCache(clearSelection);
\r
718 public void onError(String p, Throwable throwable) {
\r
719 if(throwable instanceof RestException)
\r
720 GSS.get().displayError("Unable to retrieve file details:"+((RestException)throwable).getHttpStatusText());
\r
724 public void onError(Throwable t) {
\r
726 GSS.get().displayError("Unable to fetch files for folder " + folderItem.getFolderResource().getName());
\r
730 DeferredCommand.addCommand(getFiles);
\r
733 updateFileCache(clearSelection);
\r
737 public void onError(Throwable t) {
\r
739 GSS.get().displayError("Unable to fetch folder " + folderItem.getFolderResource().getName());
\r
742 DeferredCommand.addCommand(gf);
\r
743 } else if (folderItem.getTrashResource() != null) {
\r
744 GetCommand<TrashResource> gt = new GetCommand<TrashResource>(TrashResource.class, folderItem.getTrashResource().getUri()) {
\r
747 public void onComplete() {
\r
748 folderItem.setUserObject(getResult());
\r
749 updateFileCache(clearSelection);
\r
753 public void onError(Throwable t) {
\r
754 if (t instanceof RestException && (((RestException) t).getHttpStatusCode() == 204 || ((RestException) t).getHttpStatusCode() == 1223)) {
\r
755 folderItem.setUserObject(new TrashResource(folderItem.getTrashResource().getUri()));
\r
756 updateFileCache(clearSelection);
\r
759 GSS.get().displayError("Unable to fetch trash resource");
\r
763 DeferredCommand.addCommand(gt);
\r
764 } else if (folderItem.getSharedResource() != null) {
\r
765 GetCommand<SharedResource> gt = new GetCommand<SharedResource>(SharedResource.class, folderItem.getSharedResource().getUri()) {
\r
768 public void onComplete() {
\r
769 folderItem.setUserObject(getResult());
\r
770 updateFileCache(clearSelection);
\r
774 public void onError(Throwable t) {
\r
776 GSS.get().displayError("Unable to fetch My Shares resource");
\r
779 DeferredCommand.addCommand(gt);
\r
780 } else if (folderItem.getOtherUserResource() != null) {
\r
781 GetCommand<OtherUserResource> gt = new GetCommand<OtherUserResource>(OtherUserResource.class, folderItem.getOtherUserResource().getUri()) {
\r
784 public void onComplete() {
\r
785 folderItem.setUserObject(getResult());
\r
786 updateFileCache(clearSelection);
\r
790 public void onError(Throwable t) {
\r
792 GSS.get().displayError("Unable to fetch My Shares resource");
\r
795 DeferredCommand.addCommand(gt);
\r
798 updateFileCache(clearSelection);
\r
802 * Update the file cache with data from the server.
\r
804 * @param userId the ID of the current user
\r
806 private void updateFileCache(boolean clearSelection) {
\r
807 if (clearSelection)
\r
808 clearSelectedRows();
\r
810 sortingProperty = "name";
\r
811 nameLabel.setHTML("Name " + images.desc().getHTML());
\r
812 sortingType = true;
\r
814 final TreeItem folderItem = GSS.get().getFolders().getCurrent();
\r
816 if (folderItem == null || GSS.get().getFolders().isOthersShared(folderItem)) {
\r
817 setFiles(new ArrayList<FileResource>());
\r
821 if (folderItem instanceof DnDTreeItem) {
\r
822 DnDTreeItem dnd = (DnDTreeItem) folderItem;
\r
823 if (dnd.getFolderResource() != null) {
\r
824 if (GSS.get().getFolders().isTrashItem(dnd))
\r
825 setFiles(new ArrayList<FileResource>());
\r
827 setFiles(dnd.getFolderResource().getFiles());
\r
829 } else if (dnd.getTrashResource() != null)
\r
830 setFiles(dnd.getTrashResource().getFiles());
\r
831 else if (dnd.getSharedResource() != null)
\r
832 setFiles(dnd.getSharedResource().getFiles());
\r
833 else if (dnd.getOtherUserResource() != null)
\r
834 setFiles(dnd.getOtherUserResource().getFiles());
\r
836 setFiles(dnd.getFolderResource().getFiles());
\r
843 * Fill the file cache with data.
\r
845 public void setFiles(final List<FileResource> _files) {
\r
846 if (_files.size() > 0 && !GSS.get().getFolders().isTrash(GSS.get().getFolders().getCurrent())) {
\r
847 files = new ArrayList<FileResource>();
\r
848 for (FileResource fres : _files)
\r
849 if (!fres.isDeleted())
\r
853 Collections.sort(files, new Comparator<FileResource>() {
\r
855 public int compare(FileResource arg0, FileResource arg1) {
\r
856 return arg0.getName().compareTo(arg1.getName());
\r
860 folderFileCount = files.size();
\r
863 private void sortFiles(final String sortProperty) {
\r
864 if (sortProperty.equals(sortingProperty))
\r
865 sortingType = !sortingType;
\r
867 sortingProperty = sortProperty;
\r
868 sortingType = true;
\r
871 clearSelectedRows();
\r
872 if (files == null || files.size() == 0)
\r
874 Collections.sort(files, new Comparator<FileResource>() {
\r
876 public int compare(FileResource arg0, FileResource arg1) {
\r
878 if (sortProperty.equals("version")) {
\r
879 versionLabel.setHTML("Version " + images.desc().getHTML());
\r
880 return new Integer(arg0.getVersion()).compareTo(new Integer(arg1.getVersion()));
\r
881 } else if (sortProperty.equals("owner")) {
\r
882 ownerLabel.setHTML("Owner " + images.desc().getHTML());
\r
883 return new Integer(arg0.getOwner()).compareTo(new Integer(arg1.getOwner()));
\r
884 } else if (sortProperty.equals("date")) {
\r
885 dateLabel.setHTML("Date " + images.desc().getHTML());
\r
886 return arg0.getCreationDate().compareTo(arg1.getCreationDate());
\r
887 } else if (sortProperty.equals("size")) {
\r
888 sizeLabel.setHTML("Size " + images.desc().getHTML());
\r
889 return new Long(arg0.getContentLength()).compareTo(new Long(arg1.getContentLength()));
\r
890 } else if (sortProperty.equals("name")) {
\r
891 nameLabel.setHTML("Name " + images.desc().getHTML());
\r
892 return arg0.getName().compareTo(arg1.getName());
\r
893 } else if (sortProperty.equals("path")) {
\r
894 pathLabel.setHTML("Path " + images.desc().getHTML());
\r
895 return arg0.getUri().compareTo(arg1.getUri());
\r
897 nameLabel.setHTML("Name " + images.desc().getHTML());
\r
898 return arg0.getName().compareTo(arg1.getName());
\r
900 else if (sortProperty.equals("version")) {
\r
901 versionLabel.setHTML("Version " + images.asc().getHTML());
\r
902 return new Integer(arg1.getVersion()).compareTo(new Integer(arg0.getVersion()));
\r
903 } else if (sortProperty.equals("owner")) {
\r
904 ownerLabel.setHTML("Owner " + images.asc().getHTML());
\r
905 return new Integer(arg1.getOwner()).compareTo(new Integer(arg0.getOwner()));
\r
906 } else if (sortProperty.equals("date")) {
\r
907 dateLabel.setHTML("Date " + images.asc().getHTML());
\r
908 return arg1.getCreationDate().compareTo(arg0.getCreationDate());
\r
909 } else if (sortProperty.equals("size")) {
\r
910 sizeLabel.setHTML("Size " + images.asc().getHTML());
\r
911 return new Long(arg1.getContentLength()).compareTo(new Long(arg0.getContentLength()));
\r
912 } else if (sortProperty.equals("name")) {
\r
913 nameLabel.setHTML("Name " + images.asc().getHTML());
\r
914 return arg1.getName().compareTo(arg0.getName());
\r
915 } else if (sortProperty.equals("path")) {
\r
916 pathLabel.setHTML("Path " + images.asc().getHTML());
\r
917 return arg1.getUri().compareTo(arg0.getUri());
\r
919 nameLabel.setHTML("Name " + images.asc().getHTML());
\r
920 return arg1.getName().compareTo(arg0.getName());
\r
927 private void clearLabels() {
\r
928 nameLabel.setText("Name");
\r
929 versionLabel.setText("Version");
\r
930 sizeLabel.setText("Size");
\r
931 dateLabel.setText("Date");
\r
932 ownerLabel.setText("Owner");
\r
933 pathLabel.setText("Path");
\r
937 * Retrieve the table.
\r
939 * @return the table
\r
946 * Does the list contains the requested filename
\r
949 * @return true/false
\r
951 public boolean contains(String fileName) {
\r
952 for (int i = 0; i < files.size(); i++)
\r
953 if (files.get(i).getName().equals(fileName))
\r
958 public void clearSelectedRows() {
\r
959 for (int r : selectedRows) {
\r
960 int row = r - startIndex;
\r
961 styleRow(row, false);
\r
963 selectedRows.clear();
\r
964 Object sel = GSS.get().getCurrentSelection();
\r
965 if (sel instanceof FileResource || sel instanceof List)
\r
966 GSS.get().setCurrentSelection(null);
\r
972 public void selectAllRows() {
\r
973 clearSelectedRows();
\r
974 int count = folderFileCount;
\r
977 int max = startIndex + GSS.VISIBLE_FILE_COUNT;
\r
981 for (; i < GSS.VISIBLE_FILE_COUNT + 1; ++i) {
\r
982 // Don't read past the end.
\r
983 // if (i > folderFileCount)
\r
985 if (startIndex + i > folderFileCount)
\r
987 selectedRows.add(startIndex + i - 1);
\r
988 styleRow(i - 1, true);
\r
990 GSS.get().setCurrentSelection(getSelectedFiles());
\r
991 contextMenu.setFiles(getSelectedFiles());
\r
992 makeRowDraggable(i-1);
\r
996 private void makeRowDraggable(int row){
\r
997 int contextRow = getWidgetRow(contextMenu, table);
\r
998 if (contextRow != -1)
\r
999 table.setWidget(contextRow, 0, getFileIcon(files.get(contextRow - 1)).createImage());
\r
1000 contextMenu.setWidget(new HTML(getFileIcon(files.get(row - 1)).getHTML()));
\r
1001 table.setWidget(row, 0, contextMenu);
\r
1004 private int getWidgetRow(Widget widget, Grid grid) {
\r
1005 for (int row = 0; row < grid.getRowCount(); row++)
\r
1006 for (int col = 0; col < grid.getCellCount(row); col++) {
\r
1007 Widget w = table.getWidget(row, col);
\r