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

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