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                 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 addUser = new Button("Add User", new ClickHandler() {\r
 127             @Override\r
 128             public void onClick(ClickEvent event) {\r
 129                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 130                 dlg.center();\r
 131             }\r
 132         });\r
 133         addUser.addStyleName("button");\r
 134         permButtons.add(addUser);\r
 135         permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 136 \r
 137         Button add = new Button("Add Group", new ClickHandler() {\r
 138             @Override\r
 139             public void onClick(ClickEvent event) {\r
 140                 if (app.getAccount().getGroups().isEmpty()) {\r
 141                     new GroupCreateDialog(app, new Command() {\r
 142                                                 \r
 143                                                 @Override\r
 144                                                 public void execute() {\r
 145                                         if (app.getAccount().getGroups().isEmpty())\r
 146                                                 return;\r
 147                                         PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 148                                         dlg.center();\r
 149                                                 }\r
 150                                         }).center();\r
 151                 }\r
 152                 else {\r
 153                         PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 154                         dlg.center();\r
 155                 }\r
 156             }\r
 157         });\r
 158         add.addStyleName("button");\r
 159         permButtons.add(add);\r
 160         permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 161 \r
 162         permButtons.setSpacing(8);\r
 163         permPanel.add(permButtons);\r
 164 \r
 165         inner.add(permPanel);\r
 166 \r
 167         outer.add(inner);\r
 168 \r
 169                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 170                 // when the button is clicked and quits the application.\r
 171                 String okLabel = "Update";\r
 172                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 173                         @Override\r
 174                         public void onClick(ClickEvent event) {\r
 175                                 updateFolder();\r
 176                                 closeDialog();\r
 177                         }\r
 178                 });\r
 179                 ok.addStyleName("button");\r
 180                 outer.add(ok);\r
 181         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 182 \r
 183         setWidget(outer);\r
 184         }\r
 185 \r
 186         @Override\r
 187         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 188                 super.onPreviewNativeEvent(preview);\r
 189 \r
 190                 NativeEvent evt = preview.getNativeEvent();\r
 191                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 192                         // Use the popup's key preview hooks to close the dialog when either\r
 193                         // enter or escape is pressed.\r
 194                         switch (evt.getKeyCode()) {\r
 195                                 case KeyCodes.KEY_ENTER:\r
 196                                         updateFolder();\r
 197                     closeDialog();\r
 198                                         break;\r
 199                                 case KeyCodes.KEY_ESCAPE:\r
 200                                         closeDialog();\r
 201                                         break;\r
 202                         }\r
 203         }\r
 204 \r
 205 \r
 206         /**\r
 207          * Enables IE selection prevention and hides the dialog\r
 208          * (we disable the prevention on creation of the dialog)\r
 209          */\r
 210         public void closeDialog() {\r
 211                 Pithos.preventIESelection();\r
 212                 hide();\r
 213         }\r
 214 \r
 215         void updateFolder() {\r
 216         final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null);\r
 217         updateMetadata(folder.getUri() + "?update=", perms);\r
 218         }\r
 219 \r
 220         protected void updateMetadata(final String path, final Map<String, Boolean[]> newPermissions) {\r
 221         if (newPermissions != null) {\r
 222             PostRequest updateFolder = new PostRequest(app.getApiPath(), folder.getOwner(), path) {\r
 223                 @Override\r
 224                 public void onSuccess(Resource result) {\r
 225                     app.updateFolder(folder.getParent(), false, new Command() {\r
 226                                                 \r
 227                                                 @Override\r
 228                                                 public void execute() {\r
 229                                                         app.updateMySharedRoot();\r
 230                                                 }\r
 231                                         }, true);\r
 232                 }\r
 233 \r
 234                 @Override\r
 235                 public void onError(Throwable t) {\r
 236                     GWT.log("", t);\r
 237                                         app.setError(t);\r
 238                     if (t instanceof RestException) {\r
 239                         if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) { //Probably a virtual folder\r
 240                             final String path1 = folder.getUri();\r
 241                             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path1) {\r
 242                                 @Override\r
 243                                 public void onSuccess(Resource result) {\r
 244                                         updateMetadata(path, newPermissions);\r
 245                                 }\r
 246 \r
 247                                 @Override\r
 248                                 public void onError(Throwable _t) {\r
 249                                     GWT.log("", _t);\r
 250                                                         app.setError(_t);\r
 251                                     if(_t instanceof RestException){\r
 252                                         app.displayError("Unable to update folder: " + ((RestException) _t).getHttpStatusText());\r
 253                                     }\r
 254                                     else\r
 255                                         app.displayError("System error modifying folder: " + _t.getMessage());\r
 256                                 }\r
 257 \r
 258                                                 @Override\r
 259                                                 protected void onUnauthorized(Response response) {\r
 260                                                         app.sessionExpired();\r
 261                                                 }\r
 262                             };\r
 263                             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 264                             newFolder.setHeader("Content-Type", "application/folder");\r
 265                             newFolder.setHeader("Accept", "*/*");\r
 266                             newFolder.setHeader("Content-Length", "0");\r
 267                             Scheduler.get().scheduleDeferred(newFolder);\r
 268                         }\r
 269                         else if (((RestException) t).getHttpStatusCode() == Response.SC_CONFLICT) {\r
 270                                 app.displayError("Cannot set permissions. Probably subfolders or files already have permissions set");\r
 271                         }\r
 272                         else\r
 273                                 app.displayError("Εrror modifying folder: " + t.getMessage());\r
 274                     }\r
 275                     else\r
 276                         app.displayError("System error modifying folder: " + t.getMessage());\r
 277                 }\r
 278 \r
 279                                 @Override\r
 280                                 protected void onUnauthorized(Response response) {\r
 281                                         app.sessionExpired();\r
 282                                 }\r
 283             };\r
 284             updateFolder.setHeader("X-Auth-Token", app.getToken());\r
 285             String readPermHeader = "read=";\r
 286             String writePermHeader = "write=";\r
 287             for (String u : newPermissions.keySet()) {\r
 288                 Boolean[] p = newPermissions.get(u);\r
 289                 if (p[0] != null && p[0])\r
 290                     readPermHeader += u + ",";\r
 291                 if (p[1] != null && p[1])\r
 292                     writePermHeader += u + ",";\r
 293             }\r
 294             if (readPermHeader.endsWith("="))\r
 295                 readPermHeader = "";\r
 296             else if (readPermHeader.endsWith(","))\r
 297                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 298             if (writePermHeader.endsWith("="))\r
 299                 writePermHeader = "";\r
 300             else if (writePermHeader.endsWith(","))\r
 301                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 302             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 303             if (permHeader.length() == 0)\r
 304                 permHeader = "~";\r
 305             else\r
 306                 permHeader = URL.encodePathSegment(permHeader);\r
 307             updateFolder.setHeader("X-Object-Sharing", permHeader);\r
 308             Scheduler.get().scheduleDeferred(updateFolder);\r
 309         }\r
 310         else\r
 311             app.updateFolder(folder.getParent(), false, new Command() {\r
 312                                 \r
 313                                 @Override\r
 314                                 public void execute() {\r
 315                                         app.updateMySharedRoot();\r
 316                                 }\r
 317                         }, true);\r
 318     }\r
 319 }\r