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