code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/FolderPropertiesDialog.java

   1 /*\r
   2  * Copyright 2007, 2008, 2009, 2010 Electronic Business Systems Ltd.\r
   3  *\r
   4  * This file is part of GSS.\r
   5  *\r
   6  * GSS is free software: you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation, either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * GSS is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.\r
  18  */\r
  19 package gr.ebs.gss.client;\r
  20 \r
  21 import gr.ebs.gss.client.FilePropertiesDialog.Images;\r
  22 import gr.ebs.gss.client.rest.PostCommand;\r
  23 import gr.ebs.gss.client.rest.RestException;\r
  24 import gr.ebs.gss.client.rest.resource.FolderResource;\r
  25 import gr.ebs.gss.client.rest.resource.GroupResource;\r
  26 import gr.ebs.gss.client.rest.resource.PermissionHolder;\r
  27 import gr.ebs.gss.client.rest.resource.RestResource;\r
  28 import gr.ebs.gss.client.rest.resource.RestResourceWrapper;\r
  29 \r
  30 import java.util.List;\r
  31 import java.util.Set;\r
  32 \r
  33 import com.google.gwt.core.client.GWT;\r
  34 import com.google.gwt.dom.client.NativeEvent;\r
  35 import com.google.gwt.event.dom.client.ChangeEvent;\r
  36 import com.google.gwt.event.dom.client.ChangeHandler;\r
  37 import com.google.gwt.event.dom.client.ClickEvent;\r
  38 import com.google.gwt.event.dom.client.ClickHandler;\r
  39 import com.google.gwt.event.dom.client.KeyCodes;\r
  40 import com.google.gwt.http.client.URL;\r
  41 import com.google.gwt.i18n.client.DateTimeFormat;\r
  42 import com.google.gwt.json.client.JSONArray;\r
  43 import com.google.gwt.json.client.JSONBoolean;\r
  44 import com.google.gwt.json.client.JSONObject;\r
  45 import com.google.gwt.json.client.JSONString;\r
  46 import com.google.gwt.user.client.DeferredCommand;\r
  47 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  48 import com.google.gwt.user.client.ui.Button;\r
  49 import com.google.gwt.user.client.ui.CheckBox;\r
  50 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  51 import com.google.gwt.user.client.ui.DialogBox;\r
  52 import com.google.gwt.user.client.ui.FlexTable;\r
  53 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  54 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  55 import com.google.gwt.user.client.ui.Label;\r
  56 import com.google.gwt.user.client.ui.TabPanel;\r
  57 import com.google.gwt.user.client.ui.TextBox;\r
  58 import com.google.gwt.user.client.ui.VerticalPanel;\r
  59 \r
  60 /**\r
  61  * The 'Folder properties' dialog box implementation.\r
  62  */\r
  63 public class FolderPropertiesDialog extends DialogBox {\r
  64 \r
  65         private List<GroupResource> groups = null;\r
  66 \r
  67         final PermissionsList permList;\r
  68 \r
  69         private CheckBox readForAll;\r
  70 \r
  71         /**\r
  72          * The widget that holds the folderName of the folder.\r
  73          */\r
  74         private TextBox folderName = new TextBox();\r
  75 \r
  76         /**\r
  77          * A flag that denotes whether the dialog will be used to create or modify a\r
  78          * folder.\r
  79          */\r
  80         private final boolean create;\r
  81 \r
  82         final FolderResource folder;\r
  83 \r
  84         final TabPanel inner;\r
  85 \r
  86         /**\r
  87          * The widget's constructor.\r
  88          *\r
  89          * @param images the image icons from the file properties dialog\r
  90          * @param _create true if the dialog is displayed for creating a new\r
  91          *            sub-folder of the selected folder, false if it is displayed\r
  92          *            for modifying the selected folder\r
  93          */\r
  94         public FolderPropertiesDialog(Images images, boolean _create,  final List<GroupResource> _groups) {\r
  95                 setAnimationEnabled(true);\r
  96 \r
  97                 // Enable IE selection for the dialog (must disable it upon closing it)\r
  98                 GSS.enableIESelection();\r
  99 \r
 100                 create = _create;\r
 101                 \r
 102                 folder = ((RestResourceWrapper) GSS.get().getTreeView().getSelection()).getResource();\r
 103                 permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner());\r
 104                 groups = _groups;\r
 105 \r
 106                 // Use this opportunity to set the dialog's caption.\r
 107                 if (create)\r
 108                         setText("Create folder");\r
 109                 else\r
 110                         setText("Folder properties");\r
 111 \r
 112                 // Outer contains inner and buttons\r
 113                 VerticalPanel outer = new VerticalPanel();\r
 114                 // Inner contains generalPanel and permPanel\r
 115                 inner = new DecoratedTabPanel();\r
 116                 inner.setAnimationEnabled(true);\r
 117                 VerticalPanel generalPanel = new VerticalPanel();\r
 118                 VerticalPanel permPanel = new VerticalPanel();\r
 119                 final HorizontalPanel permForAll = new HorizontalPanel();\r
 120                 final HorizontalPanel pathPanel = new HorizontalPanel();\r
 121                 HorizontalPanel buttons = new HorizontalPanel();\r
 122                 HorizontalPanel permButtons = new HorizontalPanel();\r
 123 \r
 124                 inner.add(generalPanel, "General");\r
 125                 if (!create)\r
 126                         inner.add(permPanel, "Sharing");\r
 127                 inner.selectTab(0);\r
 128 \r
 129                 final Label folderNameNote = new Label("Please note that slashes ('/') are not allowed in folder names.", true);\r
 130                 folderNameNote.setVisible(false);\r
 131                 folderNameNote.setStylePrimaryName("gss-readForAllNote");\r
 132 \r
 133                 FlexTable generalTable = new FlexTable();\r
 134                 generalTable.setText(0, 0, "Name");\r
 135                 generalTable.setText(1, 0, "Parent");\r
 136                 generalTable.setText(2, 0, "Creator");\r
 137                 generalTable.setText(3, 0, "Last modified");\r
 138                 folderName.setText(create ? "" : folder.getName());\r
 139                 folderName.getElement().setId("folderPropertiesDialog.textBox.name");\r
 140                 generalTable.setWidget(0, 1, folderName);\r
 141                 folderName.addChangeHandler(new ChangeHandler() {\r
 142                         \r
 143                         @Override\r
 144                         public void onChange(ChangeEvent event) {\r
 145                                 if(folderName.getText().contains("/"))\r
 146                                         folderNameNote.setVisible(true);\r
 147                                 else\r
 148                                         folderNameNote.setVisible(false);                               \r
 149                                 \r
 150                         }\r
 151                 });\r
 152 \r
 153 \r
 154                 if (create)\r
 155                         generalTable.setText(1, 1, folder.getName());\r
 156                 else if(folder.getParentName() == null)\r
 157                         generalTable.setText(1, 1, "-");\r
 158                 else\r
 159                         generalTable.setText(1, 1, folder.getParentName());\r
 160                 generalTable.setWidget(0, 2, folderNameNote);\r
 161                 generalTable.setText(2, 1, folder.getOwner());\r
 162                 DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 163                 if(folder.getModificationDate() != null)\r
 164                         generalTable.setText(3, 1, formatter.format(folder.getModificationDate()));\r
 165                 generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 166                 generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 167                 generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 168                 generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 169                 generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 170                 generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 171                 generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 172                 generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 173                 generalTable.setCellSpacing(4);\r
 174 \r
 175                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 176                 // when the button is clicked and quits the application.\r
 177                 String okLabel;\r
 178                 if (create)\r
 179                         okLabel = "Create";\r
 180                 else\r
 181                         okLabel = "Update";\r
 182                 Button ok = new Button(okLabel, new ClickHandler() {\r
 183                         @Override\r
 184                         public void onClick(ClickEvent event) {                         \r
 185                                 if(folderName.getText().contains("/"))\r
 186                                         folderNameNote.setVisible(true);\r
 187                                 else {\r
 188                                         folderNameNote.setVisible(false);\r
 189                                         createOrUpdateFolder();\r
 190                                         closeDialog();\r
 191                                 }\r
 192 \r
 193                         }\r
 194                 });\r
 195                 ok.getElement().setId("folderPropertiesDialog.button.ok");\r
 196                 buttons.add(ok);\r
 197                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 198                 // Create the 'Cancel' button, along with a listener that hides the\r
 199                 // dialog\r
 200                 // when the button is clicked.\r
 201                 Button cancel = new Button("Cancel", new ClickHandler() {\r
 202                         @Override\r
 203                         public void onClick(ClickEvent event) {\r
 204                                 closeDialog();\r
 205                         }\r
 206                 });\r
 207                 cancel.getElement().setId("folderPropertiesDialog.button.cancel");\r
 208                 buttons.add(cancel);\r
 209                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 210                 buttons.setSpacing(8);\r
 211                 buttons.addStyleName("gss-TabPanelBottom");\r
 212 \r
 213                 Button add = new Button("Add Group", new ClickHandler() {\r
 214                         @Override\r
 215                         public void onClick(ClickEvent event) {\r
 216                                 PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, false);\r
 217                                 dlg.center();\r
 218                         }\r
 219                 });\r
 220                 add.getElement().setId("folderPropertiesDialog.button.addGroup");\r
 221                 permButtons.add(add);\r
 222                 permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 223 \r
 224                 Button addUser = new Button("Add User", new ClickHandler() {\r
 225                         @Override\r
 226                         public void onClick(ClickEvent event) {\r
 227                                 PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, true);\r
 228                                 dlg.center();\r
 229                         }\r
 230                 });\r
 231                 addUser.getElement().setId("folderPropertiesDialog.button.addUser");\r
 232                 permButtons.add(addUser);\r
 233                 permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 234 \r
 235                 permButtons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 236                 permButtons.setSpacing(8);\r
 237                 permButtons.addStyleName("gss-TabPanelBottom");\r
 238 \r
 239                 final Label readForAllNote = new Label("When this option is enabled, the folder will be readable" +\r
 240                                         " by everyone. By checking this option, you are certifying that you have the right to " +\r
 241                                         "distribute this folder's contents and that it does not violate the Terms of Use.", true);\r
 242                 readForAllNote.setVisible(false);\r
 243                 readForAllNote.setStylePrimaryName("gss-readForAllNote");\r
 244 \r
 245                 readForAll = new CheckBox();\r
 246                 readForAll.getElement().setId("folderPropertiesDialog.checkBox.public");\r
 247                 readForAll.setValue(folder.isReadForAll());\r
 248                 readForAll.addClickHandler(new ClickHandler() {\r
 249                         @Override\r
 250                         public void onClick(ClickEvent event) {\r
 251                                 readForAllNote.setVisible(readForAll.getValue());\r
 252                         }\r
 253 \r
 254                 });\r
 255 \r
 256                 generalPanel.add(generalTable);\r
 257                 permPanel.add(permList);\r
 258                 permPanel.add(permButtons);\r
 259 \r
 260                 // Only show the read for all permission if the user is the owner.\r
 261                 if (folder.getOwner().equals(GSS.get().getCurrentUserResource().getUsername())) {\r
 262                         permForAll.add(new Label("Public"));\r
 263                         permForAll.add(readForAll);\r
 264                         permForAll.setSpacing(8);\r
 265                         permForAll.addStyleName("gss-TabPanelBottom");\r
 266                         permForAll.add(readForAllNote);\r
 267                         permPanel.add(permForAll);\r
 268                 }\r
 269                 TextBox path = new TextBox();\r
 270                 path.getElement().setId("folderPropertiesDialog.textBox.link");\r
 271                 path.setWidth("100%");\r
 272                 path.addClickHandler(new ClickHandler() {\r
 273                         @Override\r
 274                         public void onClick(ClickEvent event) {\r
 275                                 GSS.enableIESelection();\r
 276                                 ((TextBox) event.getSource()).selectAll();\r
 277                                 GSS.preventIESelection();\r
 278                         }\r
 279 \r
 280                 });\r
 281                 path.setText(folder.getUri());\r
 282                 path.setTitle("Use this link for sharing the folder via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");\r
 283                 path.setWidth("100%");\r
 284                 path.setReadOnly(true);\r
 285                 pathPanel.setWidth("100%");\r
 286                 pathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);\r
 287                 pathPanel.add(new Label("Link"));\r
 288                 pathPanel.setSpacing(8);\r
 289                 pathPanel.addStyleName("gss-TabPanelBottom");\r
 290                 pathPanel.add(path);\r
 291                 permPanel.add(pathPanel);\r
 292 \r
 293                 outer.add(inner);\r
 294                 outer.add(buttons);\r
 295                 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 296                 outer.addStyleName("gss-TabPanelBottom");\r
 297 \r
 298                 setWidget(outer);\r
 299 \r
 300                 /*if (create)\r
 301                         folderName.setFocus(true);\r
 302                 else\r
 303                         ok.setFocus(true);*/\r
 304         }\r
 305 \r
 306         @Override\r
 307         public void center() {\r
 308                 super.center();\r
 309                 folderName.setFocus(true);\r
 310         }\r
 311 \r
 312         @Override\r
 313         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 314                 super.onPreviewNativeEvent(preview);\r
 315 \r
 316                 NativeEvent evt = preview.getNativeEvent();\r
 317                 if (evt.getType().equals("keydown"))\r
 318                         // Use the popup's key preview hooks to close the dialog when either\r
 319                         // enter or escape is pressed.\r
 320                         switch (evt.getKeyCode()) {\r
 321                                 case KeyCodes.KEY_ENTER:\r
 322                                         closeDialog();\r
 323                                         createOrUpdateFolder();\r
 324                                         break;\r
 325                                 case KeyCodes.KEY_ESCAPE:\r
 326                                         closeDialog();\r
 327                                         break;\r
 328                         }\r
 329         }\r
 330 \r
 331 \r
 332         /**\r
 333          * Enables IE selection prevention and hides the dialog\r
 334          * (we disable the prevention on creation of the dialog)\r
 335          */\r
 336         public void closeDialog() {\r
 337                 GSS.preventIESelection();\r
 338                 hide();\r
 339         }\r
 340 \r
 341         /**\r
 342          * Generate an RPC request to create a new folder.\r
 343          *\r
 344          * @param userId the ID of the user whose namespace will be searched for\r
 345          *            folders\r
 346          * @param _folderName the name of the folder to create\r
 347          */\r
 348         private void createFolder() {\r
 349                 String name = folderName.getText();\r
 350                 if (!GSS.isValidResourceName(name)) {\r
 351                         GSS.get().displayError("The folder name '" + name + "' is invalid");\r
 352                         return;\r
 353                 }\r
 354                 PostCommand ep = new PostCommand(folder.getUri() + "?new=" +\r
 355                                 URL.encodeComponent(name), "", 201) {\r
 356 \r
 357                         @Override\r
 358                         public void onComplete() {\r
 359                                 //TODO:CELLTREE\r
 360                                 GSS.get().getTreeView().updateNodeChildren((RestResourceWrapper) GSS.get().getTreeView().getSelection());\r
 361                                 //GSS.get().getFolders().updateFolder((DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 362                         }\r
 363 \r
 364                         @Override\r
 365                         public void onError(Throwable t) {\r
 366                                 GWT.log("", t);\r
 367                                 if(t instanceof RestException){\r
 368                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 369                                         if(statusCode == 405)\r
 370                                                 GSS.get().displayError("You don't have the necessary" +\r
 371                                                                 " permissions or a folder with same name " +\r
 372                                                                 "already exists");\r
 373                                         else if(statusCode == 404)\r
 374                                                 GSS.get().displayError("Resource not found");\r
 375                                         else\r
 376                                                 GSS.get().displayError("Unable to create folder:" +\r
 377                                                                 ((RestException)t).getHttpStatusText());\r
 378                                 }\r
 379                                 else\r
 380                                         GSS.get().displayError("System error creating folder:" +\r
 381                                                         t.getMessage());\r
 382                         }\r
 383                 };\r
 384                 DeferredCommand.addCommand(ep);\r
 385 \r
 386         }\r
 387 \r
 388         /**\r
 389          * Upon closing the dialog by clicking OK or pressing ENTER this method does\r
 390          * the actual work of modifying folder properties or creating a new Folder\r
 391          * depending on the value of the create field\r
 392          *\r
 393          * @param userId\r
 394          */\r
 395         private void createOrUpdateFolder() {\r
 396                 if (create)\r
 397                         createFolder();\r
 398                 else\r
 399                         updateFolder();\r
 400 \r
 401         }\r
 402 \r
 403         private void updateFolder() {\r
 404                 permList.updatePermissionsAccordingToInput();\r
 405                 Set<PermissionHolder> perms = permList.getPermissions();\r
 406                 JSONObject json = new JSONObject();\r
 407                 if(!folder.getName().equals(folderName.getText()))\r
 408                         json.put("name", new JSONString(folderName.getText()));\r
 409                 //only update the read for all perm if the user is the owner\r
 410                 if (readForAll.getValue() != folder.isReadForAll())\r
 411                         if (folder.getOwner().equals(GSS.get().getCurrentUserResource().getUsername()))\r
 412                                 json.put("readForAll", JSONBoolean.getInstance(readForAll.getValue()));\r
 413                 if (permList.hasChanges()) {\r
 414                         JSONArray perma = new JSONArray();\r
 415                         int i=0;\r
 416                         for(PermissionHolder p : perms){\r
 417                                 JSONObject po = new JSONObject();\r
 418                                 if(p.getUser() != null)\r
 419                                         po.put("user", new JSONString(p.getUser()));\r
 420                                 if(p.getGroup() != null)\r
 421                                         po.put("group", new JSONString(p.getGroup()));\r
 422                                 po.put("read", JSONBoolean.getInstance(p.isRead()));\r
 423                                 po.put("write", JSONBoolean.getInstance(p.isWrite()));\r
 424                                 po.put("modifyACL", JSONBoolean.getInstance(p.isModifyACL()));\r
 425                                 perma.set(i,po);\r
 426                                 i++;\r
 427                         }\r
 428                         json.put("permissions", perma);\r
 429                         GWT.log(json.toString(), null);\r
 430                 }\r
 431                 PostCommand ep = new PostCommand(folder.getUri()+"?update=", json.toString(), 200){\r
 432 \r
 433                         @Override\r
 434                         public void onComplete() {\r
 435                                 //TODO:CELLTREE\r
 436                                 \r
 437                                 if(getPostBody() != null && !"".equals(getPostBody().trim())){\r
 438                                         \r
 439                                         \r
 440                                         FolderResource fres = ((RestResourceWrapper) GSS.get().getTreeView().getSelection()).getResource();\r
 441                                         String initialPath = fres.getUri();\r
 442                                         String newPath =  getPostBody().trim();\r
 443                                         fres.setUri(newPath);\r
 444                                         ((RestResourceWrapper) GSS.get().getTreeView().getSelection()).getResource().setUri(newPath);\r
 445                                         ((RestResourceWrapper) GSS.get().getTreeView().getSelection()).setUri(newPath);\r
 446                                         GSS.get().getTreeView().updateNodeChildren(fres.getParentURI());\r
 447                                         if (permList.hasChanges()) {\r
 448                                                 GSS.get().getTreeView().updateMySharedNode();\r
 449                                         }\r
 450                                         /*\r
 451                                         if(folderItem.getParentItem() != null && ((DnDTreeItem)folderItem.getParentItem()).getFolderResource() != null){\r
 452                                                 ((DnDTreeItem)folderItem.getParentItem()).getFolderResource().removeSubfolderPath(initialPath);\r
 453                                                 ((DnDTreeItem)folderItem.getParentItem()).getFolderResource().getSubfolderPaths().add(newPath);\r
 454                                         }*/\r
 455                                 }\r
 456                                 //GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 457                                 \r
 458                                 GSS.get().showFileList(true);\r
 459                         }\r
 460 \r
 461                         @Override\r
 462                         public void onError(Throwable t) {\r
 463                                 GWT.log("", t);\r
 464                                 if(t instanceof RestException){\r
 465                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 466                                         if(statusCode == 405)\r
 467                                                 GSS.get().displayError("You don't have the necessary permissions or" +\r
 468                                                                 " a folder with same name already exists");\r
 469                                         else if(statusCode == 404)\r
 470                                                 GSS.get().displayError("Resource not found, or user specified in sharing does not exist");\r
 471                                         else\r
 472                                                 GSS.get().displayError("Unable to update folder: "+((RestException)t).getHttpStatusText());\r
 473                                 }\r
 474                                 else\r
 475                                         GSS.get().displayError("System error moifying file: "+t.getMessage());\r
 476                                 //TODO:CELLTREE\r
 477                                 //GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 478                         }\r
 479                 };\r
 480                 DeferredCommand.addCommand(ep);\r
 481         }\r
 482 \r
 483         public void selectTab(int _tab) {\r
 484                 inner.selectTab(_tab);\r
 485         }\r
 486 \r
 487 }\r