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.foldertree.File;\r
  38 import gr.grnet.pithos.web.client.foldertree.Folder;\r
  39 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  40 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  41 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  42 import gr.grnet.pithos.web.client.rest.RestException;\r
  43 \r
  44 import java.util.Iterator;\r
  45 import java.util.Map;\r
  46 \r
  47 import com.google.gwt.core.client.GWT;\r
  48 import com.google.gwt.core.client.Scheduler;\r
  49 import com.google.gwt.dom.client.NativeEvent;\r
  50 import com.google.gwt.event.dom.client.ClickEvent;\r
  51 import com.google.gwt.event.dom.client.ClickHandler;\r
  52 import com.google.gwt.event.dom.client.KeyCodes;\r
  53 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  54 import com.google.gwt.http.client.Response;\r
  55 import com.google.gwt.http.client.URL;\r
  56 import com.google.gwt.user.client.Command;\r
  57 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  58 import com.google.gwt.user.client.ui.Anchor;\r
  59 import com.google.gwt.user.client.ui.Button;\r
  60 import com.google.gwt.user.client.ui.DialogBox;\r
  61 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  62 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  63 import com.google.gwt.user.client.ui.Label;\r
  64 import com.google.gwt.user.client.ui.VerticalPanel;\r
  65 \r
  66 /**\r
  67  * The 'Folder properties' dialog box implementation.\r
  68  */\r
  69 public class FolderPermissionsDialog extends DialogBox {\r
  70 \r
  71     protected Pithos app;\r
  72 \r
  73         /**\r
  74          * The widget that holds the folderName of the folder.\r
  75          */\r
  76         Label folderName = new Label();\r
  77 \r
  78         protected PermissionsList permList;\r
  79 \r
  80         final Folder folder;\r
  81 \r
  82         final VerticalPanel inner;\r
  83 \r
  84         /**\r
  85          * The widget's constructor.\r
  86          */\r
  87         public FolderPermissionsDialog(final Pithos app, Folder selected) {\r
  88         this.app = app;\r
  89                 Anchor close = new Anchor();\r
  90                 close.addStyleName("close");\r
  91                 close.addClickHandler(new ClickHandler() {\r
  92                         \r
  93                         @Override\r
  94                         public void onClick(ClickEvent event) {\r
  95                                 hide();\r
  96                         }\r
  97                 });\r
  98 \r
  99                 setAnimationEnabled(true);\r
 100                 setGlassEnabled(true);\r
 101                 setStyleName("pithos-DialogBox");\r
 102 \r
 103                 // Enable IE selection for the dialog (must disable it upon closing it)\r
 104                 Pithos.enableIESelection();\r
 105 \r
 106                 folder = selected;\r
 107 \r
 108                 setText("Folder permissions");\r
 109 \r
 110                 // Outer contains inner and buttons\r
 111                 VerticalPanel outer = new VerticalPanel();\r
 112                 outer.add(close);\r
 113                 // Inner contains generalPanel and permPanel\r
 114                 inner = new VerticalPanel();\r
 115                 inner.addStyleName("inner");\r
 116 \r
 117 \r
 118                 folderName.setText(folder.getName());\r
 119 \r
 120         VerticalPanel permPanel = new VerticalPanel();\r
 121         FilePermissionsDialog.Images images = GWT.create(FilePermissionsDialog.Images.class);\r
 122         permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner(), false, null);\r
 123         permPanel.add(permList);\r
 124 \r
 125         HorizontalPanel permButtons = new HorizontalPanel();\r
 126         Button add = new Button("Add Group", new ClickHandler() {\r
 127             @Override\r
 128             public void onClick(ClickEvent event) {\r
 129                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 130                 dlg.center();\r
 131             }\r
 132         });\r
 133         add.addStyleName("button");\r
 134         permButtons.add(add);\r
 135         permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 136 \r
 137         Button addUser = new Button("Add User", new ClickHandler() {\r
 138             @Override\r
 139             public void onClick(ClickEvent event) {\r
 140                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 141                 dlg.center();\r
 142             }\r
 143         });\r
 144         addUser.addStyleName("button");\r
 145         permButtons.add(addUser);\r
 146         permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 147         permButtons.setSpacing(8);\r
 148         permPanel.add(permButtons);\r
 149 \r
 150         inner.add(permPanel);\r
 151 \r
 152         outer.add(inner);\r
 153 \r
 154                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 155                 // when the button is clicked and quits the application.\r
 156                 String okLabel = "Update";\r
 157                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 158                         @Override\r
 159                         public void onClick(ClickEvent event) {\r
 160                                 updateFolder();\r
 161                                 closeDialog();\r
 162                         }\r
 163                 });\r
 164                 ok.addStyleName("button");\r
 165                 outer.add(ok);\r
 166         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 167 \r
 168         setWidget(outer);\r
 169         }\r
 170 \r
 171         @Override\r
 172         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 173                 super.onPreviewNativeEvent(preview);\r
 174 \r
 175                 NativeEvent evt = preview.getNativeEvent();\r
 176                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 177                         // Use the popup's key preview hooks to close the dialog when either\r
 178                         // enter or escape is pressed.\r
 179                         switch (evt.getKeyCode()) {\r
 180                                 case KeyCodes.KEY_ENTER:\r
 181                                         updateFolder();\r
 182                     closeDialog();\r
 183                                         break;\r
 184                                 case KeyCodes.KEY_ESCAPE:\r
 185                                         closeDialog();\r
 186                                         break;\r
 187                         }\r
 188         }\r
 189 \r
 190 \r
 191         /**\r
 192          * Enables IE selection prevention and hides the dialog\r
 193          * (we disable the prevention on creation of the dialog)\r
 194          */\r
 195         public void closeDialog() {\r
 196                 Pithos.preventIESelection();\r
 197                 hide();\r
 198         }\r
 199 \r
 200         void updateFolder() {\r
 201         final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null);\r
 202         final String newName = folderName.getText().trim();\r
 203         if (!folder.isContainer() && !folder.getName().equals(newName)) {\r
 204             final String path = folder.getParent().getUri() + "/" + newName;\r
 205             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getParent().getOwner(), path) {\r
 206                 @Override\r
 207                 public void onSuccess(Resource result) {\r
 208                     Iterator<File> iter = folder.getFiles().iterator();\r
 209                     app.copyFiles(iter, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 210                         @Override\r
 211                         public void execute() {\r
 212                             Iterator<Folder> iterf = folder.getSubfolders().iterator();\r
 213                             app.copySubfolders(iterf, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 214                                 @Override\r
 215                                 public void execute() {\r
 216                                     app.deleteFolder(folder);\r
 217                                     updateMetadata(path + "?update=", perms);\r
 218                                 }\r
 219                             });\r
 220                         }\r
 221                     });\r
 222                 }\r
 223 \r
 224                 @Override\r
 225                 public void onError(Throwable t) {\r
 226                     GWT.log("", t);\r
 227                                         app.setError(t);\r
 228                     if(t instanceof RestException){\r
 229                         app.displayError("Unable to update folder: " + ((RestException) t).getHttpStatusText());\r
 230                     }\r
 231                     else\r
 232                         app.displayError("System error modifying folder: " + t.getMessage());\r
 233                 }\r
 234 \r
 235                                 @Override\r
 236                                 protected void onUnauthorized(Response response) {\r
 237                                         app.sessionExpired();\r
 238                                 }\r
 239             };\r
 240             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 241             newFolder.setHeader("Content-Type", "application/folder");\r
 242             newFolder.setHeader("Accept", "*/*");\r
 243             newFolder.setHeader("Content-Length", "0");\r
 244             Scheduler.get().scheduleDeferred(newFolder);\r
 245         }\r
 246         else\r
 247             updateMetadata(folder.getUri() + "?update=", perms);\r
 248         }\r
 249 \r
 250         protected void updateMetadata(final String path, final Map<String, Boolean[]> newPermissions) {\r
 251         if (newPermissions != null) {\r
 252             PostRequest updateFolder = new PostRequest(app.getApiPath(), folder.getOwner(), path) {\r
 253                 @Override\r
 254                 public void onSuccess(Resource result) {\r
 255                     app.updateFolder(folder.getParent(), false, new Command() {\r
 256                                                 \r
 257                                                 @Override\r
 258                                                 public void execute() {\r
 259                                                         app.updateMySharedRoot();\r
 260                                                 }\r
 261                                         });\r
 262                 }\r
 263 \r
 264                 @Override\r
 265                 public void onError(Throwable t) {\r
 266                     GWT.log("", t);\r
 267                                         app.setError(t);\r
 268                     if (t instanceof RestException) {\r
 269                         if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) { //Probably a virtual folder\r
 270                             final String path1 = folder.getUri();\r
 271                             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path1) {\r
 272                                 @Override\r
 273                                 public void onSuccess(Resource result) {\r
 274                                         updateMetadata(path, newPermissions);\r
 275                                 }\r
 276 \r
 277                                 @Override\r
 278                                 public void onError(Throwable _t) {\r
 279                                     GWT.log("", _t);\r
 280                                                         app.setError(_t);\r
 281                                     if(_t instanceof RestException){\r
 282                                         app.displayError("Unable to update folder: " + ((RestException) _t).getHttpStatusText());\r
 283                                     }\r
 284                                     else\r
 285                                         app.displayError("System error modifying folder: " + _t.getMessage());\r
 286                                 }\r
 287 \r
 288                                                 @Override\r
 289                                                 protected void onUnauthorized(Response response) {\r
 290                                                         app.sessionExpired();\r
 291                                                 }\r
 292                             };\r
 293                             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 294                             newFolder.setHeader("Content-Type", "application/folder");\r
 295                             newFolder.setHeader("Accept", "*/*");\r
 296                             newFolder.setHeader("Content-Length", "0");\r
 297                             Scheduler.get().scheduleDeferred(newFolder);\r
 298                         }\r
 299                         else if (((RestException) t).getHttpStatusCode() == Response.SC_CONFLICT) {\r
 300                                 app.displayError("Cannot set permissions. Probably subfolders or files already have permissions set");\r
 301                         }\r
 302                         else\r
 303                                 app.displayError("Εrror modifying folder: " + t.getMessage());\r
 304                     }\r
 305                     else\r
 306                         app.displayError("System error modifying folder: " + t.getMessage());\r
 307                 }\r
 308 \r
 309                                 @Override\r
 310                                 protected void onUnauthorized(Response response) {\r
 311                                         app.sessionExpired();\r
 312                                 }\r
 313             };\r
 314             updateFolder.setHeader("X-Auth-Token", app.getToken());\r
 315             String readPermHeader = "read=";\r
 316             String writePermHeader = "write=";\r
 317             for (String u : newPermissions.keySet()) {\r
 318                 Boolean[] p = newPermissions.get(u);\r
 319                 if (p[0] != null && p[0])\r
 320                     readPermHeader += u + ",";\r
 321                 if (p[1] != null && p[1])\r
 322                     writePermHeader += u + ",";\r
 323             }\r
 324             if (readPermHeader.endsWith("="))\r
 325                 readPermHeader = "";\r
 326             else if (readPermHeader.endsWith(","))\r
 327                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 328             if (writePermHeader.endsWith("="))\r
 329                 writePermHeader = "";\r
 330             else if (writePermHeader.endsWith(","))\r
 331                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 332             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 333             if (permHeader.length() == 0)\r
 334                 permHeader = "~";\r
 335             else\r
 336                 permHeader = URL.encodePathSegment(permHeader);\r
 337             updateFolder.setHeader("X-Object-Sharing", permHeader);\r
 338             Scheduler.get().scheduleDeferred(updateFolder);\r
 339         }\r
 340         else\r
 341             app.updateFolder(folder.getParent(), false, new Command() {\r
 342                                 \r
 343                                 @Override\r
 344                                 public void execute() {\r
 345                                         app.updateMySharedRoot();\r
 346                                 }\r
 347                         });\r
 348     }\r
 349 }\r