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