code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FolderPermissionsDialog.java

   1 /*\r
   2  * Copyright 2011-2012 GRNET S.A. All rights reserved.\r
   3  *\r
   4  * Redistribution and use in source and binary forms, with or\r
   5  * without modification, are permitted provided that the following\r
   6  * conditions are met:\r
   7  *\r
   8  *   1. Redistributions of source code must retain the above\r
   9  *      copyright notice, this list of conditions and the following\r
  10  *      disclaimer.\r
  11  *\r
  12  *   2. Redistributions in binary form must reproduce the above\r
  13  *      copyright notice, this list of conditions and the following\r
  14  *      disclaimer in the documentation and/or other materials\r
  15  *      provided with the distribution.\r
  16  *\r
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS\r
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR\r
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF\r
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED\r
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN\r
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
  28  * POSSIBILITY OF SUCH DAMAGE.\r
  29  *\r
  30  * The views and conclusions contained in the software and\r
  31  * documentation are those of the authors and should not be\r
  32  * interpreted as representing official policies, either expressed\r
  33  * or implied, of GRNET S.A.\r
  34  */\r
  35 package gr.grnet.pithos.web.client;\r
  36 \r
  37 import gr.grnet.pithos.web.client.commands.CreateGroupCommand;\r
  38 import gr.grnet.pithos.web.client.foldertree.File;\r
  39 import gr.grnet.pithos.web.client.foldertree.Folder;\r
  40 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  41 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  42 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  43 import gr.grnet.pithos.web.client.rest.RestException;\r
  44 \r
  45 import java.util.Iterator;\r
  46 import java.util.Map;\r
  47 \r
  48 import com.google.gwt.core.client.GWT;\r
  49 import com.google.gwt.core.client.Scheduler;\r
  50 import com.google.gwt.dom.client.NativeEvent;\r
  51 import com.google.gwt.event.dom.client.ClickEvent;\r
  52 import com.google.gwt.event.dom.client.ClickHandler;\r
  53 import com.google.gwt.event.dom.client.KeyCodes;\r
  54 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  55 import com.google.gwt.http.client.Response;\r
  56 import com.google.gwt.http.client.URL;\r
  57 import com.google.gwt.user.client.Command;\r
  58 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  59 import com.google.gwt.user.client.ui.Anchor;\r
  60 import com.google.gwt.user.client.ui.Button;\r
  61 import com.google.gwt.user.client.ui.DialogBox;\r
  62 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  63 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  64 import com.google.gwt.user.client.ui.Label;\r
  65 import com.google.gwt.user.client.ui.VerticalPanel;\r
  66 \r
  67 /**\r
  68  * The 'Folder properties' dialog box implementation.\r
  69  */\r
  70 public class FolderPermissionsDialog extends DialogBox {\r
  71 \r
  72     protected Pithos app;\r
  73 \r
  74         /**\r
  75          * The widget that holds the folderName of the folder.\r
  76          */\r
  77         Label folderName = new Label();\r
  78 \r
  79         protected PermissionsList permList;\r
  80 \r
  81         final Folder folder;\r
  82 \r
  83         final VerticalPanel inner;\r
  84 \r
  85         /**\r
  86          * The widget's constructor.\r
  87          */\r
  88         public FolderPermissionsDialog(final Pithos app, Folder selected) {\r
  89         this.app = app;\r
  90                 Anchor close = new Anchor("close");\r
  91                 close.addStyleName("close");\r
  92                 close.addClickHandler(new ClickHandler() {\r
  93                         \r
  94                         @Override\r
  95                         public void onClick(ClickEvent event) {\r
  96                                 hide();\r
  97                         }\r
  98                 });\r
  99 \r
 100                 setAnimationEnabled(true);\r
 101                 setGlassEnabled(true);\r
 102                 setStyleName("pithos-DialogBox");\r
 103 \r
 104                 // Enable IE selection for the dialog (must disable it upon closing it)\r
 105                 Pithos.enableIESelection();\r
 106 \r
 107                 folder = selected;\r
 108 \r
 109                 setText("Folder permissions");\r
 110 \r
 111                 // Outer contains inner and buttons\r
 112                 VerticalPanel outer = new VerticalPanel();\r
 113                 outer.add(close);\r
 114                 // Inner contains generalPanel and permPanel\r
 115                 inner = new VerticalPanel();\r
 116                 inner.addStyleName("inner");\r
 117 \r
 118 \r
 119                 folderName.setText(folder.getName());\r
 120 \r
 121         VerticalPanel permPanel = new VerticalPanel();\r
 122         FilePermissionsDialog.Images images = GWT.create(FilePermissionsDialog.Images.class);\r
 123         permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner(), false, null);\r
 124         permPanel.add(permList);\r
 125 \r
 126         HorizontalPanel permButtons = new HorizontalPanel();\r
 127         Button addUser = new Button("Add User", new ClickHandler() {\r
 128             @Override\r
 129             public void onClick(ClickEvent event) {\r
 130                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 131                 dlg.center();\r
 132             }\r
 133         });\r
 134         addUser.addStyleName("button");\r
 135         permButtons.add(addUser);\r
 136         permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 137 \r
 138         Button add = new Button("Add Group", new ClickHandler() {\r
 139             @Override\r
 140             public void onClick(ClickEvent event) {\r
 141                 if (app.getAccount().getGroups().isEmpty()) {\r
 142                     new GroupCreateDialog(app, new Command() {\r
 143                                                 \r
 144                                                 @Override\r
 145                                                 public void execute() {\r
 146                                         if (app.getAccount().getGroups().isEmpty())\r
 147                                                 return;\r
 148                                         PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 149                                         dlg.center();\r
 150                                                 }\r
 151                                         }).center();\r
 152                 }\r
 153                 else {\r
 154                         PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 155                         dlg.center();\r
 156                 }\r
 157             }\r
 158         });\r
 159         add.addStyleName("button");\r
 160         permButtons.add(add);\r
 161         permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 162 \r
 163         permButtons.setSpacing(8);\r
 164         permPanel.add(permButtons);\r
 165 \r
 166         inner.add(permPanel);\r
 167 \r
 168         outer.add(inner);\r
 169 \r
 170                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 171                 // when the button is clicked and quits the application.\r
 172                 String okLabel = "Update";\r
 173                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 174                         @Override\r
 175                         public void onClick(ClickEvent event) {\r
 176                                 updateFolder();\r
 177                                 closeDialog();\r
 178                         }\r
 179                 });\r
 180                 ok.addStyleName("button");\r
 181                 outer.add(ok);\r
 182         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 183 \r
 184         setWidget(outer);\r
 185         }\r
 186 \r
 187         @Override\r
 188         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 189                 super.onPreviewNativeEvent(preview);\r
 190 \r
 191                 NativeEvent evt = preview.getNativeEvent();\r
 192                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 193                         // Use the popup's key preview hooks to close the dialog when either\r
 194                         // enter or escape is pressed.\r
 195                         switch (evt.getKeyCode()) {\r
 196                                 case KeyCodes.KEY_ENTER:\r
 197                                         updateFolder();\r
 198                     closeDialog();\r
 199                                         break;\r
 200                                 case KeyCodes.KEY_ESCAPE:\r
 201                                         closeDialog();\r
 202                                         break;\r
 203                         }\r
 204         }\r
 205 \r
 206 \r
 207         /**\r
 208          * Enables IE selection prevention and hides the dialog\r
 209          * (we disable the prevention on creation of the dialog)\r
 210          */\r
 211         public void closeDialog() {\r
 212                 Pithos.preventIESelection();\r
 213                 hide();\r
 214         }\r
 215 \r
 216         void updateFolder() {\r
 217         final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null);\r
 218         final String newName = folderName.getText().trim();\r
 219         if (!folder.isContainer() && !folder.getName().equals(newName)) {\r
 220             final String path = folder.getParent().getUri() + "/" + newName;\r
 221             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getParent().getOwner(), path) {\r
 222                 @Override\r
 223                 public void onSuccess(Resource result) {\r
 224                     Iterator<File> iter = folder.getFiles().iterator();\r
 225                     app.copyFiles(iter, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 226                         @Override\r
 227                         public void execute() {\r
 228                             Iterator<Folder> iterf = folder.getSubfolders().iterator();\r
 229                             app.copySubfolders(iterf, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 230                                 @Override\r
 231                                 public void execute() {\r
 232                                     app.deleteFolder(folder, null);\r
 233                                     updateMetadata(path + "?update=", perms);\r
 234                                 }\r
 235                             });\r
 236                         }\r
 237                     });\r
 238                 }\r
 239 \r
 240                 @Override\r
 241                 public void onError(Throwable t) {\r
 242                     GWT.log("", t);\r
 243                                         app.setError(t);\r
 244                     if(t instanceof RestException){\r
 245                         app.displayError("Unable to update folder: " + ((RestException) t).getHttpStatusText());\r
 246                     }\r
 247                     else\r
 248                         app.displayError("System error modifying folder: " + t.getMessage());\r
 249                 }\r
 250 \r
 251                                 @Override\r
 252                                 protected void onUnauthorized(Response response) {\r
 253                                         app.sessionExpired();\r
 254                                 }\r
 255             };\r
 256             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 257             newFolder.setHeader("Content-Type", "application/folder");\r
 258             newFolder.setHeader("Accept", "*/*");\r
 259             newFolder.setHeader("Content-Length", "0");\r
 260             Scheduler.get().scheduleDeferred(newFolder);\r
 261         }\r
 262         else\r
 263             updateMetadata(folder.getUri() + "?update=", perms);\r
 264         }\r
 265 \r
 266         protected void updateMetadata(final String path, final Map<String, Boolean[]> newPermissions) {\r
 267         if (newPermissions != null) {\r
 268             PostRequest updateFolder = new PostRequest(app.getApiPath(), folder.getOwner(), path) {\r
 269                 @Override\r
 270                 public void onSuccess(Resource result) {\r
 271                     app.updateFolder(folder.getParent(), false, new Command() {\r
 272                                                 \r
 273                                                 @Override\r
 274                                                 public void execute() {\r
 275                                                         app.updateMySharedRoot();\r
 276                                                 }\r
 277                                         }, true);\r
 278                 }\r
 279 \r
 280                 @Override\r
 281                 public void onError(Throwable t) {\r
 282                     GWT.log("", t);\r
 283                                         app.setError(t);\r
 284                     if (t instanceof RestException) {\r
 285                         if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) { //Probably a virtual folder\r
 286                             final String path1 = folder.getUri();\r
 287                             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path1) {\r
 288                                 @Override\r
 289                                 public void onSuccess(Resource result) {\r
 290                                         updateMetadata(path, newPermissions);\r
 291                                 }\r
 292 \r
 293                                 @Override\r
 294                                 public void onError(Throwable _t) {\r
 295                                     GWT.log("", _t);\r
 296                                                         app.setError(_t);\r
 297                                     if(_t instanceof RestException){\r
 298                                         app.displayError("Unable to update folder: " + ((RestException) _t).getHttpStatusText());\r
 299                                     }\r
 300                                     else\r
 301                                         app.displayError("System error modifying folder: " + _t.getMessage());\r
 302                                 }\r
 303 \r
 304                                                 @Override\r
 305                                                 protected void onUnauthorized(Response response) {\r
 306                                                         app.sessionExpired();\r
 307                                                 }\r
 308                             };\r
 309                             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 310                             newFolder.setHeader("Content-Type", "application/folder");\r
 311                             newFolder.setHeader("Accept", "*/*");\r
 312                             newFolder.setHeader("Content-Length", "0");\r
 313                             Scheduler.get().scheduleDeferred(newFolder);\r
 314                         }\r
 315                         else if (((RestException) t).getHttpStatusCode() == Response.SC_CONFLICT) {\r
 316                                 app.displayError("Cannot set permissions. Probably subfolders or files already have permissions set");\r
 317                         }\r
 318                         else\r
 319                                 app.displayError("Εrror modifying folder: " + t.getMessage());\r
 320                     }\r
 321                     else\r
 322                         app.displayError("System error modifying folder: " + t.getMessage());\r
 323                 }\r
 324 \r
 325                                 @Override\r
 326                                 protected void onUnauthorized(Response response) {\r
 327                                         app.sessionExpired();\r
 328                                 }\r
 329             };\r
 330             updateFolder.setHeader("X-Auth-Token", app.getToken());\r
 331             String readPermHeader = "read=";\r
 332             String writePermHeader = "write=";\r
 333             for (String u : newPermissions.keySet()) {\r
 334                 Boolean[] p = newPermissions.get(u);\r
 335                 if (p[0] != null && p[0])\r
 336                     readPermHeader += u + ",";\r
 337                 if (p[1] != null && p[1])\r
 338                     writePermHeader += u + ",";\r
 339             }\r
 340             if (readPermHeader.endsWith("="))\r
 341                 readPermHeader = "";\r
 342             else if (readPermHeader.endsWith(","))\r
 343                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 344             if (writePermHeader.endsWith("="))\r
 345                 writePermHeader = "";\r
 346             else if (writePermHeader.endsWith(","))\r
 347                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 348             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 349             if (permHeader.length() == 0)\r
 350                 permHeader = "~";\r
 351             else\r
 352                 permHeader = URL.encodePathSegment(permHeader);\r
 353             updateFolder.setHeader("X-Object-Sharing", permHeader);\r
 354             Scheduler.get().scheduleDeferred(updateFolder);\r
 355         }\r
 356         else\r
 357             app.updateFolder(folder.getParent(), false, new Command() {\r
 358                                 \r
 359                                 @Override\r
 360                                 public void execute() {\r
 361                                         app.updateMySharedRoot();\r
 362                                 }\r
 363                         }, true);\r
 364     }\r
 365 }\r