code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FolderPropertiesDialog.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 com.google.gwt.core.client.Scheduler;\r
  38 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  39 import com.google.gwt.user.client.Command;\r
  40 import gr.grnet.pithos.web.client.foldertree.File;\r
  41 import gr.grnet.pithos.web.client.foldertree.Folder;\r
  42 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  43 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  44 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  45 import gr.grnet.pithos.web.client.rest.RestException;\r
  46 \r
  47 import com.google.gwt.core.client.GWT;\r
  48 import com.google.gwt.dom.client.NativeEvent;\r
  49 import com.google.gwt.event.dom.client.ChangeEvent;\r
  50 import com.google.gwt.event.dom.client.ChangeHandler;\r
  51 import com.google.gwt.event.dom.client.ClickEvent;\r
  52 import com.google.gwt.event.dom.client.ClickHandler;\r
  53 import com.google.gwt.event.dom.client.KeyCodes;\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.user.client.Event.NativePreviewEvent;\r
  58 import com.google.gwt.user.client.ui.Anchor;\r
  59 import com.google.gwt.user.client.ui.Button;\r
  60 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  61 import com.google.gwt.user.client.ui.DialogBox;\r
  62 import com.google.gwt.user.client.ui.FlexTable;\r
  63 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  64 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  65 import com.google.gwt.user.client.ui.Label;\r
  66 import com.google.gwt.user.client.ui.TabPanel;\r
  67 import com.google.gwt.user.client.ui.TextBox;\r
  68 import com.google.gwt.user.client.ui.VerticalPanel;\r
  69 import java.util.Iterator;\r
  70 import java.util.Map;\r
  71 \r
  72 /**\r
  73  * The 'Folder properties' dialog box implementation.\r
  74  */\r
  75 public class FolderPropertiesDialog extends DialogBox {\r
  76 \r
  77     protected Pithos app;\r
  78 \r
  79         /**\r
  80          * The widget that holds the folderName of the folder.\r
  81          */\r
  82         TextBox folderName = new TextBox();\r
  83 \r
  84         /**\r
  85          * A flag that denotes whether the dialog will be used to create or modify a\r
  86          * folder.\r
  87          */\r
  88         private final boolean create;\r
  89 \r
  90         protected PermissionsList permList;\r
  91 \r
  92         final Folder folder;\r
  93 \r
  94         final TabPanel inner;\r
  95 \r
  96         /**\r
  97          * The widget's constructor.\r
  98          */\r
  99         public FolderPropertiesDialog(final Pithos app, boolean _create,  Folder selected) {\r
 100         this.app = app;\r
 101                 Anchor close = new Anchor();\r
 102                 close.addStyleName("close");\r
 103                 close.addClickHandler(new ClickHandler() {\r
 104                         \r
 105                         @Override\r
 106                         public void onClick(ClickEvent event) {\r
 107                                 hide();\r
 108                         }\r
 109                 });\r
 110 \r
 111                 setAnimationEnabled(true);\r
 112                 setGlassEnabled(true);\r
 113                 setStyleName("pithos-DialogBox");\r
 114 \r
 115                 // Enable IE selection for the dialog (must disable it upon closing it)\r
 116                 Pithos.enableIESelection();\r
 117 \r
 118                 create = _create;\r
 119                 \r
 120                 folder = selected;\r
 121 \r
 122                 // Use this opportunity to set the dialog's caption.\r
 123                 if (create)\r
 124                         setText("Create folder");\r
 125                 else\r
 126                         setText("Folder properties");\r
 127 \r
 128                 // Outer contains inner and buttons\r
 129                 VerticalPanel outer = new VerticalPanel();\r
 130                 outer.add(close);\r
 131                 // Inner contains generalPanel and permPanel\r
 132                 inner = new DecoratedTabPanel();\r
 133                 inner.setAnimationEnabled(true);\r
 134                 inner.addStyleName("inner");\r
 135                 inner.getDeckPanel().addStyleName("pithos-TabPanelBottom");\r
 136 \r
 137                 VerticalPanel generalPanel = new VerticalPanel();\r
 138         FlexTable generalTable = new FlexTable();\r
 139         generalTable.setText(0, 0, "Name");\r
 140         generalTable.setText(1, 0, "Parent");\r
 141         generalTable.setText(2, 0, "Creator");\r
 142         generalTable.setText(3, 0, "Last modified");\r
 143 \r
 144                 folderName.setText(create ? "" : folder.getName());\r
 145         folderName.setReadOnly(folder.isContainer() && !create);\r
 146         generalTable.setWidget(0, 1, folderName);\r
 147 \r
 148         final Label folderNameNote = new Label("Please note that slashes ('/') are not allowed in folder names.", true);\r
 149                 folderNameNote.setVisible(false);\r
 150                 folderNameNote.setStylePrimaryName("gss-readForAllNote");\r
 151                 generalTable.setWidget(0, 2, folderNameNote);\r
 152                 \r
 153         if (create)\r
 154             generalTable.setText(1, 1, folder.getName());\r
 155         else\r
 156             generalTable.setText(1, 1, folder.getPrefix());\r
 157         generalTable.setText(2, 1, "");\r
 158         DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 159         if(folder.getLastModified() != null)\r
 160             generalTable.setText(3, 1, formatter.format(folder.getLastModified()));\r
 161         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 162         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 163         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 164         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 165         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 166         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 167         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 168         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 169         generalTable.setCellSpacing(4);\r
 170         generalPanel.add(generalTable);\r
 171         inner.add(generalPanel, "General");\r
 172 \r
 173         VerticalPanel permPanel = new VerticalPanel();\r
 174         FilePermissionsDialog.Images images = GWT.create(FilePermissionsDialog.Images.class);\r
 175         boolean permsReadonly = folder.getInheritedPermissionsFrom() != null || folder.existChildrenPermissions();\r
 176         permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner(), permsReadonly);\r
 177         permPanel.add(permList);\r
 178 \r
 179         if (!permsReadonly) {\r
 180             HorizontalPanel permButtons = new HorizontalPanel();\r
 181             Button add = new Button("Add Group", new ClickHandler() {\r
 182                 @Override\r
 183                 public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 184                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 185                     dlg.center();\r
 186                 }\r
 187             });\r
 188             add.addStyleName("button");\r
 189             permButtons.add(add);\r
 190             permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 191 \r
 192             Button addUser = new Button("Add User", new ClickHandler() {\r
 193                 @Override\r
 194                 public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 195                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 196                     dlg.center();\r
 197                 }\r
 198             });\r
 199             addUser.addStyleName("button");\r
 200             permButtons.add(addUser);\r
 201             permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 202             permButtons.setSpacing(8);\r
 203             permPanel.add(permButtons);\r
 204         }\r
 205 \r
 206         if (!create)\r
 207             inner.add(permPanel, "Sharing");\r
 208         inner.selectTab(0);\r
 209 \r
 210         outer.add(inner);\r
 211 \r
 212                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 213                 // when the button is clicked and quits the application.\r
 214                 String okLabel;\r
 215                 if (create)\r
 216                         okLabel = "Create";\r
 217                 else\r
 218                         okLabel = "Update";\r
 219                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 220                         @Override\r
 221                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 222                                 createOrUpdateFolder();\r
 223                                 closeDialog();\r
 224                         }\r
 225                 });\r
 226                 ok.addStyleName("button");\r
 227                 outer.add(ok);\r
 228         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 229 \r
 230         folderName.addChangeHandler(new ChangeHandler() {\r
 231                         \r
 232                         @Override\r
 233                         public void onChange(@SuppressWarnings("unused") ChangeEvent event) {\r
 234                                 if(folderName.getText().contains("/")) {\r
 235                                         folderNameNote.setVisible(true);\r
 236                                         ok.setEnabled(false);\r
 237                                 }\r
 238                                 else {\r
 239                                         folderNameNote.setVisible(false);\r
 240                                         ok.setEnabled(true);\r
 241                                 }\r
 242                         }\r
 243                 });\r
 244 \r
 245         setWidget(outer);\r
 246         }\r
 247 \r
 248         @Override\r
 249         public void center() {\r
 250                 super.center();\r
 251                 folderName.setFocus(true);\r
 252         }\r
 253 \r
 254         @Override\r
 255         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 256                 super.onPreviewNativeEvent(preview);\r
 257 \r
 258                 NativeEvent evt = preview.getNativeEvent();\r
 259                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 260                         // Use the popup's key preview hooks to close the dialog when either\r
 261                         // enter or escape is pressed.\r
 262                         switch (evt.getKeyCode()) {\r
 263                                 case KeyCodes.KEY_ENTER:\r
 264                                         createOrUpdateFolder();\r
 265                     closeDialog();\r
 266                                         break;\r
 267                                 case KeyCodes.KEY_ESCAPE:\r
 268                                         closeDialog();\r
 269                                         break;\r
 270                         }\r
 271         }\r
 272 \r
 273 \r
 274         /**\r
 275          * Enables IE selection prevention and hides the dialog\r
 276          * (we disable the prevention on creation of the dialog)\r
 277          */\r
 278         public void closeDialog() {\r
 279                 Pithos.preventIESelection();\r
 280                 hide();\r
 281         }\r
 282 \r
 283         /**\r
 284          * Generate an RPC request to create a new folder.\r
 285          */\r
 286         private void createFolder() {\r
 287                 String name = folderName.getText().trim();\r
 288         String path = folder.getUri() + "/" + name;\r
 289         PutRequest createFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path) {\r
 290             @Override\r
 291             public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 292                 app.updateFolder(folder, true, new Command() {\r
 293                                         \r
 294                                         @Override\r
 295                                         public void execute() {\r
 296                                                 app.updateStatistics();\r
 297                                         }\r
 298                                 });\r
 299             }\r
 300 \r
 301             @Override\r
 302             public void onError(Throwable t) {\r
 303                                 GWT.log("", t);\r
 304                                 app.setError(t);\r
 305                                 if (t instanceof RestException) {\r
 306                                         app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());\r
 307                                 }\r
 308                                 else\r
 309                                         app.displayError("System error creating folder:" + t.getMessage());\r
 310             }\r
 311 \r
 312                         @Override\r
 313                         protected void onUnauthorized(Response response) {\r
 314                                 app.sessionExpired();\r
 315                         }\r
 316        };\r
 317         createFolder.setHeader("X-Auth-Token", app.getToken());\r
 318         createFolder.setHeader("Accept", "*/*");\r
 319         createFolder.setHeader("Content-Length", "0");\r
 320         createFolder.setHeader("Content-Type", "application/directory");\r
 321         Scheduler.get().scheduleDeferred(createFolder);\r
 322         }\r
 323 \r
 324         /**\r
 325          * Upon closing the dialog by clicking OK or pressing ENTER this method does\r
 326          * the actual work of modifying folder properties or creating a new Folder\r
 327          * depending on the value of the create field\r
 328          */\r
 329         protected void createOrUpdateFolder() {\r
 330                 if (create)\r
 331                         createFolder();\r
 332                 else\r
 333                         updateFolder();\r
 334 \r
 335         }\r
 336 \r
 337         private void updateFolder() {\r
 338         final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null);\r
 339         final String newName = folderName.getText().trim();\r
 340         if (!folder.isContainer() && !folder.getName().equals(newName)) {\r
 341             final String path = folder.getParent().getUri() + "/" + newName;\r
 342             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getParent().getOwner(), path) {\r
 343                 @Override\r
 344                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 345                     Iterator<File> iter = folder.getFiles().iterator();\r
 346                     app.copyFiles(iter, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 347                         @Override\r
 348                         public void execute() {\r
 349                             Iterator<Folder> iterf = folder.getSubfolders().iterator();\r
 350                             app.copySubfolders(iterf, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 351                                 @Override\r
 352                                 public void execute() {\r
 353                                     app.deleteFolder(folder);\r
 354                                     updateMetadata(path + "?update=", perms);\r
 355                                 }\r
 356                             });\r
 357                         }\r
 358                     });\r
 359                 }\r
 360 \r
 361                 @Override\r
 362                 public void onError(Throwable t) {\r
 363                     GWT.log("", t);\r
 364                                         app.setError(t);\r
 365                     if(t instanceof RestException){\r
 366                         app.displayError("Unable to update folder: " + ((RestException) t).getHttpStatusText());\r
 367                     }\r
 368                     else\r
 369                         app.displayError("System error modifying folder: " + t.getMessage());\r
 370                 }\r
 371 \r
 372                                 @Override\r
 373                                 protected void onUnauthorized(Response response) {\r
 374                                         app.sessionExpired();\r
 375                                 }\r
 376             };\r
 377             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 378             newFolder.setHeader("Content-Type", "application/folder");\r
 379             newFolder.setHeader("Accept", "*/*");\r
 380             newFolder.setHeader("Content-Length", "0");\r
 381             Scheduler.get().scheduleDeferred(newFolder);\r
 382         }\r
 383         else\r
 384             updateMetadata(folder.getUri() + "?update=", perms);\r
 385         }\r
 386 \r
 387         protected void updateMetadata(final String path, final Map<String, Boolean[]> newPermissions) {\r
 388         if (newPermissions != null) {\r
 389             PostRequest updateFolder = new PostRequest(app.getApiPath(), folder.getOwner(), path) {\r
 390                 @Override\r
 391                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 392                     app.updateFolder(folder.getParent(), false, new Command() {\r
 393                                                 \r
 394                                                 @Override\r
 395                                                 public void execute() {\r
 396                                                         app.updateMySharedRoot();\r
 397                                                 }\r
 398                                         });\r
 399                 }\r
 400 \r
 401                 @Override\r
 402                 public void onError(Throwable t) {\r
 403                     GWT.log("", t);\r
 404                                         app.setError(t);\r
 405                     if (t instanceof RestException) {\r
 406                         if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) { //Probably a virtual folder\r
 407                             final String path1 = folder.getUri();\r
 408                             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path1) {\r
 409                                 @Override\r
 410                                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 411                                         updateMetadata(path, newPermissions);\r
 412                                 }\r
 413 \r
 414                                 @Override\r
 415                                 public void onError(Throwable _t) {\r
 416                                     GWT.log("", _t);\r
 417                                                         app.setError(_t);\r
 418                                     if(_t instanceof RestException){\r
 419                                         app.displayError("Unable to update folder: " + ((RestException) _t).getHttpStatusText());\r
 420                                     }\r
 421                                     else\r
 422                                         app.displayError("System error modifying folder: " + _t.getMessage());\r
 423                                 }\r
 424 \r
 425                                                 @Override\r
 426                                                 protected void onUnauthorized(Response response) {\r
 427                                                         app.sessionExpired();\r
 428                                                 }\r
 429                             };\r
 430                             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 431                             newFolder.setHeader("Content-Type", "application/folder");\r
 432                             newFolder.setHeader("Accept", "*/*");\r
 433                             newFolder.setHeader("Content-Length", "0");\r
 434                             Scheduler.get().scheduleDeferred(newFolder);\r
 435                         }\r
 436                         else if (((RestException) t).getHttpStatusCode() == Response.SC_CONFLICT) {\r
 437                                 app.displayError("Cannot set permissions. Probably subfolders or files already have permissions set");\r
 438                         }\r
 439                         else\r
 440                                 app.displayError("Wrror modifying folder: " + t.getMessage());\r
 441                     }\r
 442                     else\r
 443                         app.displayError("System error modifying folder: " + t.getMessage());\r
 444                 }\r
 445 \r
 446                                 @Override\r
 447                                 protected void onUnauthorized(Response response) {\r
 448                                         app.sessionExpired();\r
 449                                 }\r
 450             };\r
 451             updateFolder.setHeader("X-Auth-Token", app.getToken());\r
 452             String readPermHeader = "read=";\r
 453             String writePermHeader = "write=";\r
 454             for (String u : newPermissions.keySet()) {\r
 455                 Boolean[] p = newPermissions.get(u);\r
 456                 if (p[0] != null && p[0])\r
 457                     readPermHeader += u + ",";\r
 458                 if (p[1] != null && p[1])\r
 459                     writePermHeader += u + ",";\r
 460             }\r
 461             if (readPermHeader.endsWith("="))\r
 462                 readPermHeader = "";\r
 463             else if (readPermHeader.endsWith(","))\r
 464                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 465             if (writePermHeader.endsWith("="))\r
 466                 writePermHeader = "";\r
 467             else if (writePermHeader.endsWith(","))\r
 468                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 469             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 470             if (permHeader.length() == 0)\r
 471                 permHeader = "~";\r
 472             else\r
 473                 permHeader = URL.encodePathSegment(permHeader);\r
 474             updateFolder.setHeader("X-Object-Sharing", permHeader);\r
 475             Scheduler.get().scheduleDeferred(updateFolder);\r
 476         }\r
 477         else\r
 478             app.updateFolder(folder.getParent(), false, new Command() {\r
 479                                 \r
 480                                 @Override\r
 481                                 public void execute() {\r
 482                                         app.updateMySharedRoot();\r
 483                                 }\r
 484                         });\r
 485     }\r
 486 \r
 487         public void selectTab(int _tab) {\r
 488                 inner.selectTab(_tab);\r
 489         }\r
 490 }\r