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.http.client.URL;\r
  34 import com.google.gwt.i18n.client.DateTimeFormat;\r
  35 import com.google.gwt.json.client.JSONArray;\r
  36 import com.google.gwt.json.client.JSONBoolean;\r
  37 import com.google.gwt.json.client.JSONObject;\r
  38 import com.google.gwt.json.client.JSONString;\r
  39 import com.google.gwt.user.client.DeferredCommand;\r
  40 import com.google.gwt.user.client.ui.Button;\r
  41 import com.google.gwt.user.client.ui.ClickListener;\r
  42 import com.google.gwt.user.client.ui.DialogBox;\r
  43 import com.google.gwt.user.client.ui.FlexTable;\r
  44 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  45 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  46 import com.google.gwt.user.client.ui.KeyboardListener;\r
  47 import com.google.gwt.user.client.ui.TabPanel;\r
  48 import com.google.gwt.user.client.ui.TextBox;\r
  49 import com.google.gwt.user.client.ui.VerticalPanel;\r
  50 import com.google.gwt.user.client.ui.Widget;\r
  51 \r
  52 /**\r
  53  * The 'Folder properties' dialog box implementation.\r
  54  */\r
  55 public class FolderPropertiesDialog extends DialogBox {\r
  56 \r
  57         private List<GroupResource> groups = null;\r
  58 \r
  59         final PermissionsList permList;\r
  60 \r
  61         /**\r
  62          * The widget that holds the folderName of the folder.\r
  63          */\r
  64         private TextBox folderName = new TextBox();\r
  65 \r
  66         /**\r
  67          * A flag that denotes whether the dialog will be used to create or modify a\r
  68          * folder.\r
  69          */\r
  70         private final boolean create;\r
  71 \r
  72         final FolderResource folder;\r
  73 \r
  74         final TabPanel inner;\r
  75 \r
  76         /**\r
  77          * The widget's constructor.\r
  78          *\r
  79          * @param images the image icons from the file properties dialog\r
  80          * @param _create true if the dialog is displayed for creating a new\r
  81          *            sub-folder of the selected folder, false if it is displayed\r
  82          *            for modifying the selected folder\r
  83          */\r
  84         public FolderPropertiesDialog(Images images, boolean _create,  final List<GroupResource> _groups) {\r
  85                 setAnimationEnabled(true);\r
  86 \r
  87                 // Enable IE selection for the dialog (must disable it upon closing it)\r
  88                 GSS.enableIESelection();\r
  89 \r
  90                 create = _create;\r
  91                 DnDTreeItem folderItem = (DnDTreeItem)GSS.get().getFolders().getCurrent();\r
  92                 folder = folderItem.getFolderResource();\r
  93                 permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner());\r
  94                 groups = _groups;\r
  95 \r
  96                 // Use this opportunity to set the dialog's caption.\r
  97                 if (create)\r
  98                         setText("Create folder");\r
  99                 else\r
 100                         setText("Folder properties");\r
 101 \r
 102                 // Outer contains inner and buttons\r
 103                 VerticalPanel outer = new VerticalPanel();\r
 104                 // Inner contains generalPanel and permPanel\r
 105                 inner = new TabPanel();\r
 106                 VerticalPanel generalPanel = new VerticalPanel();\r
 107                 VerticalPanel permPanel = new VerticalPanel();\r
 108                 HorizontalPanel buttons = new HorizontalPanel();\r
 109                 HorizontalPanel permButtons = new HorizontalPanel();\r
 110                 inner.add(generalPanel, "General");\r
 111                 if (!create)\r
 112                         inner.add(permPanel, "Sharing");\r
 113                 inner.selectTab(0);\r
 114 \r
 115                 FlexTable generalTable = new FlexTable();\r
 116                 generalTable.setText(0, 0, "Name");\r
 117                 generalTable.setText(1, 0, "Parent");\r
 118                 generalTable.setText(2, 0, "Creator");\r
 119                 generalTable.setText(3, 0, "Date");\r
 120                 folderName.setText(create ? "" : folder.getName());\r
 121                 generalTable.setWidget(0, 1, folderName);\r
 122                 if (create)\r
 123                         generalTable.setText(1, 1, folder.getName());\r
 124                 else if(folder.getParentName() == null)\r
 125                         generalTable.setText(1, 1, "-");\r
 126                 else\r
 127                         generalTable.setText(1, 1, folder.getParentName());\r
 128                 generalTable.setText(2, 1, folder.getOwner());\r
 129                 DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 130                 if(folder.getCreationDate() != null)\r
 131                         generalTable.setText(3, 1, formatter.format(folder.getCreationDate()));\r
 132                 generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 133                 generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 134                 generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 135                 generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 136                 generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 137                 generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 138                 generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 139                 generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 140                 generalTable.setCellSpacing(4);\r
 141 \r
 142                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 143                 // when the button is clicked and quits the application.\r
 144                 String okLabel;\r
 145                 if (create)\r
 146                         okLabel = "Create";\r
 147                 else\r
 148                         okLabel = "Update";\r
 149                 Button ok = new Button(okLabel, new ClickListener() {\r
 150 \r
 151                         public void onClick(Widget sender) {\r
 152 \r
 153                                 createOrUpdateFolder();\r
 154 \r
 155                                 closeDialog();\r
 156                         }\r
 157                 });\r
 158                 buttons.add(ok);\r
 159                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 160                 // Create the 'Cancel' button, along with a listener that hides the\r
 161                 // dialog\r
 162                 // when the button is clicked.\r
 163                 Button cancel = new Button("Cancel", new ClickListener() {\r
 164 \r
 165                         public void onClick(Widget sender) {\r
 166                                 closeDialog();\r
 167                         }\r
 168                 });\r
 169                 buttons.add(cancel);\r
 170                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 171                 buttons.setSpacing(8);\r
 172                 buttons.addStyleName("gwt-TabPanelBottom");\r
 173 \r
 174                 Button add = new Button("Add Group", new ClickListener() {\r
 175 \r
 176                         public void onClick(Widget sender) {\r
 177                                 PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, false);\r
 178                                 dlg.center();\r
 179                         }\r
 180                 });\r
 181                 permButtons.add(add);\r
 182                 permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 183 \r
 184                 Button addUser = new Button("Add User", new ClickListener() {\r
 185 \r
 186                         public void onClick(Widget sender) {\r
 187                                 PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, true);\r
 188                                 dlg.center();\r
 189                         }\r
 190                 });\r
 191                 permButtons.add(addUser);\r
 192                 permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 193 \r
 194                 permButtons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 195                 permButtons.setSpacing(8);\r
 196                 permButtons.addStyleName("gwt-TabPanelBottom");\r
 197 \r
 198                 generalPanel.add(generalTable);\r
 199                 permPanel.add(permList);\r
 200                 permPanel.add(permButtons);\r
 201                 outer.add(inner);\r
 202                 outer.add(buttons);\r
 203                 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 204                 outer.addStyleName("gwt-TabPanelBottom");\r
 205 \r
 206                 setWidget(outer);\r
 207 \r
 208                 /*if (create)\r
 209                         folderName.setFocus(true);\r
 210                 else\r
 211                         ok.setFocus(true);*/\r
 212         }\r
 213 \r
 214         @Override\r
 215         public void center() {\r
 216                 super.center();\r
 217                 folderName.setFocus(true);\r
 218         }\r
 219 \r
 220         @Override\r
 221         public boolean onKeyDownPreview(char key, int modifiers) {\r
 222                 // Use the popup's key preview hooks to close the dialog when either\r
 223                 // enter or escape is pressed.\r
 224                 switch (key) {\r
 225                         case KeyboardListener.KEY_ENTER:\r
 226                                 closeDialog();\r
 227                                 createOrUpdateFolder();\r
 228                                 break;\r
 229                         case KeyboardListener.KEY_ESCAPE:\r
 230                                 closeDialog();\r
 231                                 break;\r
 232                 }\r
 233 \r
 234                 return true;\r
 235         }\r
 236 \r
 237         /**\r
 238          * Enables IE selection prevention and hides the dialog\r
 239          * (we disable the prevention on creation of the dialog)\r
 240          */\r
 241         public void closeDialog() {\r
 242                 GSS.preventIESelection();\r
 243                 hide();\r
 244         }\r
 245 \r
 246         /**\r
 247          * Generate an RPC request to create a new folder.\r
 248          *\r
 249          * @param userId the ID of the user whose namespace will be searched for\r
 250          *            folders\r
 251          * @param _folderName the name of the folder to create\r
 252          */\r
 253         private void createFolder() {\r
 254                 PostCommand ep = new PostCommand(folder.getUri()+"?new="+URL.encode(folderName.getText()),"", 201){\r
 255 \r
 256                         @Override\r
 257                         public void onComplete() {\r
 258                                 GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 259                         }\r
 260 \r
 261                         @Override\r
 262                         public void onError(Throwable t) {\r
 263                                 GWT.log("", t);\r
 264                                 if(t instanceof RestException){\r
 265                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 266                                         if(statusCode == 405)\r
 267                                                 GSS.get().displayError("You don't have the necessary permissions or a folder with same name already exists");\r
 268                                         else if(statusCode == 404)\r
 269                                                 GSS.get().displayError("Resource not found");\r
 270                                         else\r
 271                                                 GSS.get().displayError("Unable to create folder:"+((RestException)t).getHttpStatusText());\r
 272                                 }\r
 273                                 else\r
 274                                         GSS.get().displayError("System error creating folder:"+t.getMessage());\r
 275                         }\r
 276                 };\r
 277                 DeferredCommand.addCommand(ep);\r
 278 \r
 279         }\r
 280 \r
 281         /**\r
 282          * Upon closing the dialog by clicking OK or pressing ENTER this method does\r
 283          * the actual work of modifying folder properties or creating a new Folder\r
 284          * depending on the value of the create field\r
 285          *\r
 286          * @param userId\r
 287          */\r
 288         private void createOrUpdateFolder() {\r
 289                 if (create)\r
 290                         createFolder();\r
 291                 else\r
 292                         updateFolder();\r
 293 \r
 294         }\r
 295 \r
 296         private void updateFolder() {\r
 297                 permList.updatePermissionsAccordingToInput();\r
 298                 Set<PermissionHolder> perms = permList.getPermissions();\r
 299                 JSONObject json = new JSONObject();\r
 300                 if(!folder.getName().equals(folderName.getText()))\r
 301                         json.put("name", new JSONString(folderName.getText()));\r
 302                 if (permList.hasChanges()) {\r
 303                         JSONArray perma = new JSONArray();\r
 304                         int i=0;\r
 305                         for(PermissionHolder p : perms){\r
 306                                 JSONObject po = new JSONObject();\r
 307                                 if(p.getUser() != null)\r
 308                                         po.put("user", new JSONString(p.getUser()));\r
 309                                 if(p.getGroup() != null)\r
 310                                         po.put("group", new JSONString(p.getGroup()));\r
 311                                 po.put("read", JSONBoolean.getInstance(p.isRead()));\r
 312                                 po.put("write", JSONBoolean.getInstance(p.isWrite()));\r
 313                                 po.put("modifyACL", JSONBoolean.getInstance(p.isModifyACL()));\r
 314                                 perma.set(i,po);\r
 315                                 i++;\r
 316                         }\r
 317                         json.put("permissions", perma);\r
 318                         GWT.log(json.toString(), null);\r
 319                 }\r
 320                 PostCommand ep = new PostCommand(folder.getUri()+"?update=", json.toString(), 200){\r
 321 \r
 322                         @Override\r
 323                         public void onComplete() {\r
 324                                 if(getPostBody() != null && !"".equals(getPostBody().trim())){\r
 325                                         DnDTreeItem folderItem = (DnDTreeItem) GSS.get().getFolders().getCurrent();\r
 326                                         FolderResource fres = folderItem.getFolderResource();\r
 327                                         String initialPath = fres.getUri();\r
 328                                         String newPath =  getPostBody().trim();\r
 329                                         fres.setUri(newPath);\r
 330 \r
 331                                         if(folderItem.getParentItem() != null && ((DnDTreeItem)folderItem.getParentItem()).getFolderResource() != null){\r
 332                                                 ((DnDTreeItem)folderItem.getParentItem()).getFolderResource().removeSubfolderPath(initialPath);\r
 333                                                 ((DnDTreeItem)folderItem.getParentItem()).getFolderResource().getSubfolderPaths().add(newPath);\r
 334                                         }\r
 335                                 }\r
 336                                 GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 337                                 GSS.get().showFileList(true);\r
 338                         }\r
 339 \r
 340                         @Override\r
 341                         public void onError(Throwable t) {\r
 342                                 GWT.log("", t);\r
 343                                 if(t instanceof RestException){\r
 344                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 345                                         if(statusCode == 405)\r
 346                                                 GSS.get().displayError("You don't have the necessary permissions or" +\r
 347                                                                 " a folder with same name already exists");\r
 348                                         else if(statusCode == 404)\r
 349                                                 GSS.get().displayError("Resource not found, or user specified in sharing does not exist");\r
 350                                         else\r
 351                                                 GSS.get().displayError("Unable to update folder: "+((RestException)t).getHttpStatusText());\r
 352                                 }\r
 353                                 else\r
 354                                         GSS.get().displayError("System error moifying file: "+t.getMessage());\r
 355                                 GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 356                         }\r
 357                 };\r
 358                 DeferredCommand.addCommand(ep);\r
 359         }\r
 360 \r
 361         public void selectTab(int _tab) {\r
 362                 inner.selectTab(_tab);\r
 363         }\r
 364 \r
 365 }\r