code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FilePropertiesDialog.java

   1 /*\r
   2  * Copyright 2011 GRNET S.A. All rights reserved.\r
   3  *\r
   4  * Redistribution and use in source and binary forms, with or\r
   5  * without modification, are permitted provided that the following\r
   6  * conditions are met:\r
   7  *\r
   8  *   1. Redistributions of source code must retain the above\r
   9  *      copyright notice, this list of conditions and the following\r
  10  *      disclaimer.\r
  11  *\r
  12  *   2. Redistributions in binary form must reproduce the above\r
  13  *      copyright notice, this list of conditions and the following\r
  14  *      disclaimer in the documentation and/or other materials\r
  15  *      provided with the distribution.\r
  16  *\r
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS\r
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR\r
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF\r
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED\r
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN\r
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
  28  * POSSIBILITY OF SUCH DAMAGE.\r
  29  *\r
  30  * The views and conclusions contained in the software and\r
  31  * documentation are those of the authors and should not be\r
  32  * interpreted as representing official policies, either expressed\r
  33  * or implied, of GRNET S.A.\r
  34  */\r
  35 package gr.grnet.pithos.web.client;\r
  36 \r
  37 import gr.grnet.pithos.web.client.foldertree.File;\r
  38 import gr.grnet.pithos.web.client.foldertree.FileVersions;\r
  39 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  40 import gr.grnet.pithos.web.client.foldertree.Version;\r
  41 import gr.grnet.pithos.web.client.rest.GetRequest;\r
  42 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  43 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  44 import gr.grnet.pithos.web.client.rest.RestException;\r
  45 \r
  46 import java.util.HashMap;\r
  47 import java.util.List;\r
  48 import java.util.Map;\r
  49 \r
  50 import com.google.gwt.core.client.GWT;\r
  51 import com.google.gwt.core.client.Scheduler;\r
  52 import com.google.gwt.event.dom.client.ClickEvent;\r
  53 import com.google.gwt.event.dom.client.ClickHandler;\r
  54 import com.google.gwt.http.client.Response;\r
  55 import com.google.gwt.http.client.URL;\r
  56 import com.google.gwt.i18n.client.DateTimeFormat;\r
  57 import com.google.gwt.resources.client.ImageResource;\r
  58 import com.google.gwt.user.client.Window;\r
  59 import com.google.gwt.user.client.ui.Anchor;\r
  60 import com.google.gwt.user.client.ui.Button;\r
  61 import com.google.gwt.user.client.ui.CheckBox;\r
  62 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  63 import com.google.gwt.user.client.ui.FlexTable;\r
  64 import com.google.gwt.user.client.ui.FocusPanel;\r
  65 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  66 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  67 import com.google.gwt.user.client.ui.Image;\r
  68 import com.google.gwt.user.client.ui.Label;\r
  69 import com.google.gwt.user.client.ui.TextBox;\r
  70 import com.google.gwt.user.client.ui.VerticalPanel;\r
  71 \r
  72 /**\r
  73  * The 'File properties' dialog box implementation.\r
  74  *\r
  75  */\r
  76 public class FilePropertiesDialog extends AbstractPropertiesDialog {\r
  77 \r
  78         protected PermissionsList permList;\r
  79 \r
  80         protected CheckBox readForAll;\r
  81 \r
  82         /**\r
  83          * An image bundle for this widgets images.\r
  84          */\r
  85         public interface Images extends MessagePanel.Images {\r
  86 \r
  87                 @Source("gr/grnet/pithos/resources/edit_user.png")\r
  88                 ImageResource permUser();\r
  89 \r
  90                 @Source("gr/grnet/pithos/resources/groups22.png")\r
  91                 ImageResource permGroup();\r
  92 \r
  93                 @Source("gr/grnet/pithos/resources/editdelete.png")\r
  94                 ImageResource delete();\r
  95 \r
  96                 @Source("gr/grnet/pithos/resources/db_update.png")\r
  97                 ImageResource restore();\r
  98 \r
  99                 @Source("gr/grnet/pithos/resources/folder_inbox.png")\r
 100                 ImageResource download();\r
 101         }\r
 102 \r
 103         /**\r
 104          * The widget that holds the name of the file.\r
 105          */\r
 106         private TextBox name = new TextBox();\r
 107 \r
 108         final File file;\r
 109 \r
 110     Images images = GWT.create(Images.class);\r
 111 \r
 112     FlexTable metaTable;\r
 113         /**\r
 114          * The widget's constructor.\r
 115          */\r
 116         public FilePropertiesDialog(Pithos _app, File _file) {\r
 117         super(_app);\r
 118         file = _file;\r
 119 \r
 120                 Anchor close = new Anchor();\r
 121                 close.addStyleName("close");\r
 122                 close.addClickHandler(new ClickHandler() {\r
 123                         \r
 124                         @Override\r
 125                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 126                                 hide();\r
 127                         }\r
 128                 });\r
 129                 // Set the dialog's caption.\r
 130                 setText("File properties");\r
 131                 setAnimationEnabled(true);\r
 132                 setGlassEnabled(true);\r
 133                 setStyleName("pithos-DialogBox");\r
 134 \r
 135                 // Outer contains inner and buttons.\r
 136                 final VerticalPanel outer = new VerticalPanel();\r
 137                 outer.add(close);\r
 138                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 139                 // Inner contains generalPanel and permPanel.\r
 140                 inner = new DecoratedTabPanel();\r
 141                 inner.setAnimationEnabled(true);\r
 142                 inner.addStyleName("inner");\r
 143                 inner.getDeckPanel().addStyleName("pithos-TabPanelBottom");\r
 144 \r
 145 \r
 146         inner.add(createGeneralPanel(), "General");\r
 147 \r
 148         inner.add(createSharingPanel(), "Sharing");\r
 149 \r
 150                 fetchVersions();\r
 151                         \r
 152         inner.selectTab(0);\r
 153 \r
 154         outer.add(inner);\r
 155 \r
 156                 // Create the 'OK' button, along with a listener that hides the dialog\r
 157                 // when the button is clicked.\r
 158                 final Button ok = new Button("OK", new ClickHandler() {\r
 159                         @Override\r
 160                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 161                                 accept();\r
 162                                 closeDialog();\r
 163                         }\r
 164                 });\r
 165                 ok.addStyleName("button");\r
 166 \r
 167         outer.add(ok);\r
 168         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 169 \r
 170         focusPanel.setFocus(true);\r
 171         setWidget(outer);\r
 172         }\r
 173 \r
 174     protected void fetchVersions() {\r
 175         String path = file.getUri() + "?format=json&version=list";\r
 176         GetRequest<FileVersions> getVersions = new GetRequest<FileVersions>(FileVersions.class, app.getApiPath(), file.getOwner(), path) {\r
 177 \r
 178                         @Override\r
 179                         public void onSuccess(FileVersions _result) {\r
 180                         inner.add(createVersionPanel(_result.getVersions()), "Versions");\r
 181                         }\r
 182 \r
 183                         @Override\r
 184                         public void onError(Throwable t) {\r
 185                                 GWT.log("", t);\r
 186                 if (t instanceof RestException) {\r
 187                     app.displayError("Unable to fetch versions: " + ((RestException) t).getHttpStatusText());\r
 188                 }\r
 189                 else\r
 190                     app.displayError("System error unable to fetch versions: "+t.getMessage());\r
 191                         }\r
 192 \r
 193                         @Override\r
 194                         protected void onUnauthorized(@SuppressWarnings("unused") Response response) {\r
 195                                 app.sessionExpired();\r
 196                         }\r
 197                 };\r
 198                 getVersions.setHeader("X-Auth-Token", app.getToken());\r
 199                 Scheduler.get().scheduleDeferred(getVersions);\r
 200         }\r
 201 \r
 202         private VerticalPanel createGeneralPanel() {\r
 203         final VerticalPanel generalPanel = new VerticalPanel();\r
 204         final FlexTable generalTable = new FlexTable();\r
 205         generalTable.setText(0, 0, "Name");\r
 206         generalTable.setText(1, 0, "Folder");\r
 207         generalTable.setText(2, 0, "Owner");\r
 208         generalTable.setText(3, 0, "Last modified");\r
 209 \r
 210         name.setWidth("100%");\r
 211         name.setText(file.getName());\r
 212         generalTable.setWidget(0, 1, name);\r
 213         if(file.getParent() != null)\r
 214             generalTable.setText(1, 1, file.getParent().getName());\r
 215         else\r
 216             generalTable.setText(1, 1, "-");\r
 217         generalTable.setText(2, 1, file.getOwner());\r
 218 \r
 219         final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 220         generalTable.setText(3, 1, file.getLastModified() != null ? formatter.format(file.getLastModified()) : "");\r
 221 \r
 222         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 223         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 224         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 225         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 226         generalTable.getFlexCellFormatter().setStyleName(4, 0, "props-labels");\r
 227         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 228         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 229         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 230         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 231         generalTable.setCellSpacing(4);\r
 232 \r
 233         generalPanel.add(generalTable);\r
 234 \r
 235         HorizontalPanel metaTitlePanel = new HorizontalPanel();\r
 236         metaTitlePanel.setSpacing(5);\r
 237         Label meta = new Label("Meta data");\r
 238         meta.addStyleName("pithos-metaTitle");\r
 239         metaTitlePanel.add(meta);\r
 240         \r
 241                 Image plus = new Image("images/plus.png");\r
 242                 plus.addStyleName("pithos-addMetaImg");\r
 243                 metaTitlePanel.add(plus);\r
 244                 \r
 245                 generalPanel.add(metaTitlePanel);\r
 246                 \r
 247                 metaTable = new FlexTable();\r
 248                 metaTable.setCellSpacing(0);\r
 249                 metaTable.setHTML(0, 0, "Name");\r
 250                 metaTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 251                 metaTable.setText(0, 1, "Value");\r
 252                 metaTable.getFlexCellFormatter().setStyleName(0, 1, "props-labels");\r
 253                 int rows = 1;\r
 254                 for (String metaKey : file.getMeta().keySet()) {\r
 255                         addFormLine(metaTable, rows++, metaKey, file.getMeta().get(metaKey));\r
 256                 }\r
 257                 if (rows == 1) //If no meta add an empty line\r
 258                         addFormLine(metaTable, rows++, "", "");\r
 259                 \r
 260                 plus.addClickHandler(new ClickHandler() {\r
 261                         \r
 262                         @Override\r
 263                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 264                                 addFormLine(metaTable, metaTable.getRowCount(), "", "");\r
 265                         }\r
 266                 });\r
 267 \r
 268                 generalPanel.add(metaTable);\r
 269         generalPanel.setSpacing(4);\r
 270         return generalPanel;\r
 271     }\r
 272 \r
 273         void addFormLine(final FlexTable table, int row, String _name, String _value) {\r
 274                 TextBox nameBox = new TextBox();\r
 275                 nameBox.setText(_name);\r
 276                 nameBox.addStyleName("pithos-metaName");\r
 277                 table.setWidget(row, 0, nameBox);\r
 278                 table.getFlexCellFormatter().setStyleName(1, 0, "props-values");\r
 279 \r
 280                 TextBox valueBox = new TextBox();\r
 281                 valueBox.setText(_value);\r
 282                 valueBox.addStyleName("pithos-metaValue");\r
 283                 table.setWidget(row, 1, valueBox);\r
 284                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 285                 \r
 286                 Image delete = new Image("images/delete.png");\r
 287                 delete.addStyleName("pithos-metaDeleteImg");\r
 288                 delete.addClickHandler(new ClickHandler() {\r
 289                         \r
 290                         @Override\r
 291                         public void onClick(ClickEvent event) {\r
 292                                 int rowIndex = table.getCellForEvent(event).getRowIndex();\r
 293                                 table.removeRow(rowIndex);\r
 294                         }\r
 295                 });\r
 296                 table.setWidget(row, 2, delete);\r
 297         }\r
 298 \r
 299     private VerticalPanel createSharingPanel() {\r
 300         VerticalPanel permPanel = new VerticalPanel();\r
 301 \r
 302         permList = new PermissionsList(images, file.getPermissions(), file.getOwner(), file.getInheritedPermissionsFrom() != null);\r
 303         permPanel.add(permList);\r
 304 \r
 305         if (file.getInheritedPermissionsFrom() == null) {\r
 306             HorizontalPanel permButtons = new HorizontalPanel();\r
 307             Button add = new Button("Add Group", new ClickHandler() {\r
 308                 @Override\r
 309                 public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 310                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 311                     dlg.center();\r
 312                     permList.updatePermissionTable();\r
 313                 }\r
 314             });\r
 315             add.addStyleName("button");\r
 316             permButtons.add(add);\r
 317             permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 318 \r
 319             final Button addUser = new Button("Add User", new ClickHandler() {\r
 320                 @Override\r
 321                 public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 322                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 323                     dlg.center();\r
 324                     permList.updatePermissionTable();\r
 325                 }\r
 326             });\r
 327             addUser.addStyleName("button");\r
 328             permButtons.add(addUser);\r
 329             permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 330 \r
 331             permButtons.setSpacing(8);\r
 332             permButtons.addStyleName("pithos-TabPanelBottom");\r
 333             permPanel.add(permButtons);\r
 334         }\r
 335 \r
 336         final Label readForAllNote = new Label("When this option is enabled, the file will be readable" +\r
 337                     " by everyone. By checking this option, you are certifying that you have the right to " +\r
 338                     "distribute this file and that it does not violate the Terms of Use.", true);\r
 339         readForAllNote.setVisible(false);\r
 340         readForAllNote.setStylePrimaryName("pithos-readForAllNote");\r
 341 \r
 342         readForAll = new CheckBox();\r
 343         readForAll.setValue(file.isPublished());\r
 344         readForAll.addClickHandler(new ClickHandler() {\r
 345             @Override\r
 346             public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 347                 readForAllNote.setVisible(readForAll.getValue());\r
 348             }\r
 349         });\r
 350 \r
 351         // Only show the read for all permission if the user is the owner.\r
 352         if (file.getOwner().equals(app.getUsername())) {\r
 353             final HorizontalPanel permForAll = new HorizontalPanel();\r
 354             permForAll.add(new Label("Public"));\r
 355             permForAll.add(readForAll);\r
 356             permForAll.setSpacing(8);\r
 357             permForAll.addStyleName("pithos-TabPanelBottom");\r
 358             permForAll.add(readForAllNote);\r
 359             permPanel.add(permForAll);\r
 360         }\r
 361 \r
 362         if (file.isPublished()) {\r
 363             final HorizontalPanel pathPanel = new HorizontalPanel();\r
 364             pathPanel.setWidth("100%");\r
 365             pathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);\r
 366             pathPanel.add(new Label("Link"));\r
 367             pathPanel.setSpacing(8);\r
 368             pathPanel.addStyleName("pithos-TabPanelBottom");\r
 369 \r
 370             TextBox path = new TextBox();\r
 371             path.setWidth("100%");\r
 372             path.addClickHandler(new ClickHandler() {\r
 373                 @Override\r
 374                 public void onClick(ClickEvent event) {\r
 375                     Pithos.enableIESelection();\r
 376                     ((TextBox) event.getSource()).selectAll();\r
 377                     Pithos.preventIESelection();\r
 378                 }\r
 379             });\r
 380             path.setText(Window.Location.getHost() + file.getPublicUri());\r
 381             path.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");\r
 382             path.setWidth("100%");\r
 383             path.setReadOnly(true);\r
 384             pathPanel.add(path);\r
 385             permPanel.add(pathPanel);\r
 386         }\r
 387 \r
 388         return permPanel;\r
 389     }\r
 390 \r
 391     VerticalPanel createVersionPanel(List<Version> versions) {\r
 392         VerticalPanel versionPanel = new VerticalPanel();\r
 393         VersionsList verList = new VersionsList(app, this, images, file, versions);\r
 394         versionPanel.add(verList);\r
 395         return versionPanel;\r
 396     }\r
 397 \r
 398         /**\r
 399          * Accepts any change and updates the file\r
 400          *\r
 401          */\r
 402         @Override\r
 403         protected void accept() {\r
 404                 String newFilename = null;\r
 405 \r
 406                 final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null);\r
 407 \r
 408                 if (!name.getText().trim().equals(file.getName())) {\r
 409                         newFilename = name.getText().trim();\r
 410                 }\r
 411 \r
 412                 //only update the read for all perm if the user is the owner\r
 413         Boolean published = null;\r
 414                 if (readForAll.getValue() != file.isPublished())\r
 415                         if (file.getOwner().equals(app.getUsername()))\r
 416                 published = readForAll.getValue();\r
 417         final Boolean finalPublished = published;\r
 418 \r
 419         final Map<String, String> newMeta = new HashMap<String, String>();\r
 420         for (int row = 1; row < metaTable.getRowCount(); row++) {\r
 421                 String key = ((TextBox) metaTable.getWidget(row, 0)).getText().trim();\r
 422                 String value = ((TextBox) metaTable.getWidget(row, 1)).getText().trim();\r
 423                 if (key.length() > 0 && value.length() > 0)\r
 424                         newMeta.put(key, value);\r
 425         }\r
 426 \r
 427         if (newFilename != null) {\r
 428             final String path = file.getParent().getUri() + "/" + newFilename;\r
 429             PutRequest updateFile = new PutRequest(app.getApiPath(), app.getUsername(), path) {\r
 430                 @Override\r
 431                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 432                     updateMetaData(app.getApiPath(), file.getOwner(), path + "?update=", newMeta, finalPublished, perms);\r
 433                 }\r
 434 \r
 435                 @Override\r
 436                 public void onError(Throwable t) {\r
 437                     GWT.log("", t);\r
 438                     app.displayError("System error modifying file:" + t.getMessage());\r
 439                 }\r
 440 \r
 441                                 @Override\r
 442                                 protected void onUnauthorized(@SuppressWarnings("unused") Response response) {\r
 443                                         app.sessionExpired();\r
 444                                 }\r
 445             };\r
 446             updateFile.setHeader("X-Auth-Token", app.getToken());\r
 447             updateFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));\r
 448             updateFile.setHeader("Content-Type", file.getContentType());\r
 449             Scheduler.get().scheduleDeferred(updateFile);\r
 450         }\r
 451         else\r
 452             updateMetaData(app.getApiPath(), app.getUsername(), file.getUri() + "?update=", newMeta, finalPublished, perms);\r
 453         }\r
 454 \r
 455         protected void updateMetaData(String api, String owner, String path, Map<String, String> newMeta, Boolean published, Map<String, Boolean[]> newPermissions) {\r
 456         if (newMeta != null || published != null || newPermissions != null) {\r
 457             PostRequest updateFile = new PostRequest(api, owner, path) {\r
 458                 @Override\r
 459                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 460                     app.updateFolder(file.getParent(), true, null);\r
 461                 }\r
 462 \r
 463                 @Override\r
 464                 public void onError(Throwable t) {\r
 465                     GWT.log("", t);\r
 466                     app.displayError("System error modifying file:" + t.getMessage());\r
 467                 }\r
 468 \r
 469                                 @Override\r
 470                                 protected void onUnauthorized(@SuppressWarnings("unused") Response response) {\r
 471                                         app.sessionExpired();\r
 472                                 }\r
 473             };\r
 474             updateFile.setHeader("X-Auth-Token", app.getToken());\r
 475             \r
 476             if (newMeta != null) {\r
 477                     for (String t : file.getMeta().keySet()) {\r
 478                                 updateFile.setHeader("X-Object-Meta-" + URL.encodePathSegment(t.trim()), "~");\r
 479                     }\r
 480                     \r
 481                     for (String key : newMeta.keySet())\r
 482                         updateFile.setHeader("X-Object-Meta-" + URL.encodePathSegment(key.trim()), URL.encodePathSegment(newMeta.get(key)));\r
 483             }\r
 484             \r
 485             if (published != null)\r
 486                 updateFile.setHeader("X-Object-Public", published.toString());\r
 487             if (newPermissions != null) {\r
 488                 String readPermHeader = "read=";\r
 489                 String writePermHeader = "write=";\r
 490                 for (String u : newPermissions.keySet()) {\r
 491                     Boolean[] p = newPermissions.get(u);\r
 492                     if (p[0] != null && p[0])\r
 493                         readPermHeader += u + ",";\r
 494                     if (p[1] != null && p[1])\r
 495                         writePermHeader += u + ",";\r
 496                 }\r
 497                 if (readPermHeader.endsWith("="))\r
 498                     readPermHeader = "";\r
 499                 else if (readPermHeader.endsWith(","))\r
 500                     readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 501                 if (writePermHeader.endsWith("="))\r
 502                     writePermHeader = "";\r
 503                 else if (writePermHeader.endsWith(","))\r
 504                     writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 505                 String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 506                 if (permHeader.length() == 0)\r
 507                     permHeader="~";\r
 508                 else\r
 509                         permHeader = URL.encodePathSegment(permHeader);\r
 510                 updateFile.setHeader("X-Object-Sharing", permHeader);\r
 511             }\r
 512             Scheduler.get().scheduleDeferred(updateFile);\r
 513         }\r
 514         else\r
 515             app.updateFolder(file.getParent(), true, null);\r
 516     }\r
 517 }\r