code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FilePermissionsDialog.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.rest.HeadRequest;\r
  39 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  40 \r
  41 import java.util.Map;\r
  42 \r
  43 import com.google.gwt.core.client.GWT;\r
  44 import com.google.gwt.core.client.Scheduler;\r
  45 import com.google.gwt.dom.client.NativeEvent;\r
  46 import com.google.gwt.event.dom.client.ClickEvent;\r
  47 import com.google.gwt.event.dom.client.ClickHandler;\r
  48 import com.google.gwt.event.dom.client.KeyCodes;\r
  49 import com.google.gwt.http.client.Response;\r
  50 import com.google.gwt.http.client.URL;\r
  51 import com.google.gwt.http.client.UrlBuilder;\r
  52 import com.google.gwt.resources.client.ImageResource;\r
  53 import com.google.gwt.user.client.Command;\r
  54 import com.google.gwt.user.client.Window;\r
  55 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  56 import com.google.gwt.user.client.ui.Anchor;\r
  57 import com.google.gwt.user.client.ui.Button;\r
  58 import com.google.gwt.user.client.ui.FocusPanel;\r
  59 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  60 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  61 import com.google.gwt.user.client.ui.Label;\r
  62 import com.google.gwt.user.client.ui.TextBox;\r
  63 import com.google.gwt.user.client.ui.VerticalPanel;\r
  64 \r
  65 /**\r
  66  * The 'File properties' dialog box implementation.\r
  67  *\r
  68  */\r
  69 public class FilePermissionsDialog extends AbstractPropertiesDialog {\r
  70 \r
  71         protected PermissionsList permList;\r
  72 \r
  73         private HorizontalPanel pathPanel;\r
  74         \r
  75         private TextBox path;\r
  76         \r
  77         /**\r
  78          * An image bundle for this widgets images.\r
  79          */\r
  80         public interface Images extends MessagePanel.Images {\r
  81 \r
  82                 @Source("gr/grnet/pithos/resources/edit_user.png")\r
  83                 ImageResource permUser();\r
  84 \r
  85                 @Source("gr/grnet/pithos/resources/groups22.png")\r
  86                 ImageResource permGroup();\r
  87 \r
  88                 @Source("gr/grnet/pithos/resources/delete.gif")\r
  89                 ImageResource delete();\r
  90         }\r
  91 \r
  92         final File file;\r
  93 \r
  94     Images images = GWT.create(Images.class);\r
  95 \r
  96         /**\r
  97          * The widget's constructor.\r
  98          */\r
  99         public FilePermissionsDialog(Pithos _app, File _file) {\r
 100         super(_app);\r
 101         file = _file;\r
 102 \r
 103                 Anchor close = new Anchor("close");\r
 104                 close.addStyleName("close");\r
 105                 close.addClickHandler(new ClickHandler() {\r
 106                         \r
 107                         @Override\r
 108                         public void onClick(ClickEvent event) {\r
 109                                 hide();\r
 110                         }\r
 111                 });\r
 112                 // Set the dialog's caption.\r
 113                 setText("File permissions");\r
 114                 setGlassEnabled(true);\r
 115                 setStyleName("pithos-DialogBox");\r
 116 \r
 117                 // Outer contains inner and buttons.\r
 118                 final VerticalPanel outer = new VerticalPanel();\r
 119                 outer.add(close);\r
 120                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 121                 // Inner contains generalPanel and permPanel.\r
 122                 inner = new VerticalPanel();\r
 123                 inner.addStyleName("inner");\r
 124 \r
 125         inner.add(createSharingPanel());\r
 126 \r
 127         outer.add(inner);\r
 128 \r
 129                 final Button ok = new Button("OK", new ClickHandler() {\r
 130                         @Override\r
 131                         public void onClick(ClickEvent event) {\r
 132                                 closeDialog();\r
 133                         }\r
 134                 });\r
 135                 ok.addStyleName("button");\r
 136 \r
 137         outer.add(ok);\r
 138         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 139 \r
 140         focusPanel.setFocus(true);\r
 141         setWidget(outer);\r
 142         }\r
 143 \r
 144     private VerticalPanel createSharingPanel() {\r
 145         VerticalPanel permPanel = new VerticalPanel();\r
 146 \r
 147         permList = new PermissionsList(images, file.getPermissions(), file.getOwnerID(), false, new Command() {\r
 148                         \r
 149                         @Override\r
 150                         public void execute() {\r
 151                                 accept();\r
 152                         }\r
 153                 });\r
 154         permPanel.add(permList);\r
 155 \r
 156         HorizontalPanel permButtons = new HorizontalPanel();\r
 157         final Button addUser = new Button("Add User", new ClickHandler() {\r
 158             @Override\r
 159             public void onClick(ClickEvent event) {\r
 160                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 161                 dlg.center();\r
 162                 permList.updatePermissionTable();\r
 163             }\r
 164         });\r
 165         addUser.addStyleName("button");\r
 166         permButtons.add(addUser);\r
 167         permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 168 \r
 169         Button add = new Button("Add Group", new ClickHandler() {\r
 170             @Override\r
 171             public void onClick(ClickEvent event) {\r
 172                 if (app.getAccount().getGroups().isEmpty()) {\r
 173                     new GroupCreateDialog(app, new Command() {\r
 174                                                 \r
 175                                                 @Override\r
 176                                                 public void execute() {\r
 177                                         if (app.getAccount().getGroups().isEmpty())\r
 178                                                 return;\r
 179                                         PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 180                                         dlg.center();\r
 181                                         permList.updatePermissionTable();\r
 182                                                 }\r
 183                                         }).center();\r
 184                 }\r
 185                 else {\r
 186                         PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 187                         dlg.center();\r
 188                         permList.updatePermissionTable();\r
 189                 }\r
 190             }\r
 191         });\r
 192         add.addStyleName("button");\r
 193         permButtons.add(add);\r
 194         permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 195 \r
 196         permButtons.setSpacing(8);\r
 197         permButtons.addStyleName("pithos-TabPanelBottom");\r
 198         permPanel.add(permButtons);\r
 199 \r
 200         final Label readForAllNote = new Label("When this option is enabled, the file will be readable" +\r
 201                     " by everyone. By checking this option, you are certifying that you have the right to " +\r
 202                     "distribute this file and that it does not violate the Terms of Use.", true);\r
 203         readForAllNote.setStylePrimaryName("pithos-readForAllNote");\r
 204 \r
 205         pathPanel = new HorizontalPanel();\r
 206         pathPanel.setVisible(false);\r
 207         pathPanel.setWidth("100%");\r
 208         pathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);\r
 209         pathPanel.add(new Label("Link"));\r
 210         pathPanel.setSpacing(8);\r
 211         pathPanel.addStyleName("pithos-TabPanelBottom");\r
 212 \r
 213         path = new TextBox();\r
 214         path.setWidth("100%");\r
 215         path.addClickHandler(new ClickHandler() {\r
 216             @Override\r
 217             public void onClick(ClickEvent event) {\r
 218                 Pithos.enableIESelection();\r
 219                 ((TextBox) event.getSource()).selectAll();\r
 220                 Pithos.preventIESelection();\r
 221             }\r
 222         });\r
 223         path.setText(Window.Location.getHost() + file.getPublicUri());\r
 224         path.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");\r
 225         path.setWidth("100%");\r
 226         path.setReadOnly(true);\r
 227         pathPanel.add(path);\r
 228         permPanel.add(pathPanel);\r
 229 \r
 230         Scheduler.get().scheduleDeferred(new Command() {\r
 231                         \r
 232                         @Override\r
 233                         public void execute() {\r
 234                                 showLinkIfShared();\r
 235                         }\r
 236                 });\r
 237         return permPanel;\r
 238     }\r
 239 \r
 240     void showLinkIfShared() {\r
 241                 if (file.isShared()) {\r
 242                         UrlBuilder b = Window.Location.createUrlBuilder();\r
 243                         b.setPath(app.getApiPath() + file.getOwnerID() + file.getUri());\r
 244                         String href = Window.Location.getHref();\r
 245                         boolean hasParameters = href.contains("?");\r
 246                         path.setText(href + (hasParameters ? "&" : "?") + "goto=" + b.buildString());\r
 247                 pathPanel.setVisible(true);\r
 248                 }\r
 249                 else {\r
 250                         pathPanel.setVisible(false);\r
 251                 }\r
 252     }\r
 253         /**\r
 254          * Accepts any change and updates the file\r
 255          *\r
 256          */\r
 257         @Override\r
 258         protected boolean accept() {\r
 259         updateMetaData(app.getApiPath(), app.getUserID(), file.getUri() + "?update=", permList.getPermissions());\r
 260         return true;\r
 261         }\r
 262 \r
 263         protected void updateMetaData(String api, String owner, final String path, final Map<String, Boolean[]> newPermissions) {\r
 264         if (newPermissions != null) {\r
 265             PostRequest updateFile = new PostRequest(api, owner, path) {\r
 266                 @Override\r
 267                 public void onSuccess(Resource result) {\r
 268                         HeadRequest<File> headFile = new HeadRequest<File>(File.class, app.getApiPath(), file.getOwnerID(), path, file) {\r
 269 \r
 270                                                 @Override\r
 271                                                 public void onSuccess(File _result) {\r
 272                                                         showLinkIfShared();\r
 273                                                         if (!app.isMySharedSelected())\r
 274                                             app.updateFolder(file.getParent(), true, new Command() {\r
 275                                                                         \r
 276                                                                         @Override\r
 277                                                                         public void execute() {\r
 278                                                                                 app.updateMySharedRoot();\r
 279                                                                         }\r
 280                                                                 }, true);\r
 281                                                         else\r
 282                                                                 app.updateSharedFolder(file.getParent(), true);\r
 283                                                 }\r
 284 \r
 285                                                 @Override\r
 286                                                 public void onError(Throwable t) {\r
 287                                     GWT.log("", t);\r
 288                                                         app.setError(t);\r
 289                                     app.displayError("System error modifying file:" + t.getMessage());\r
 290                                                 }\r
 291 \r
 292                                                 @Override\r
 293                                                 protected void onUnauthorized(Response response) {\r
 294                                                         app.sessionExpired();\r
 295                                                 }\r
 296                                         };\r
 297                                         headFile.setHeader("X-Auth-Token", app.getUserToken());\r
 298                                         Scheduler.get().scheduleDeferred(headFile);\r
 299                 }\r
 300 \r
 301                 @Override\r
 302                 public void onError(Throwable t) {\r
 303                     GWT.log("", t);\r
 304                                         app.setError(t);\r
 305                     app.displayError("System error modifying file:" + t.getMessage());\r
 306                 }\r
 307 \r
 308                                 @Override\r
 309                                 protected void onUnauthorized(Response response) {\r
 310                                         app.sessionExpired();\r
 311                                 }\r
 312             };\r
 313             updateFile.setHeader("X-Auth-Token", app.getUserToken());\r
 314             \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             updateFile.setHeader("X-Object-Sharing", permHeader);\r
 338             Scheduler.get().scheduleDeferred(updateFile);\r
 339         }\r
 340         else if (!app.isMySharedSelected())\r
 341             app.updateFolder(file.getParent(), true, new Command() {\r
 342                                 \r
 343                                 @Override\r
 344                                 public void execute() {\r
 345                                         if (file.isSharedOrPublished())\r
 346                                                 app.updateMySharedRoot();\r
 347                                 }\r
 348                         }, true);\r
 349         else\r
 350                 app.updateSharedFolder(file.getParent(), true);\r
 351     }\r
 352 \r
 353         @Override\r
 354         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 355             super.onPreviewNativeEvent(preview);\r
 356 \r
 357             NativeEvent evt = preview.getNativeEvent();\r
 358             if (evt.getType().equals("keydown") && evt.getKeyCode() == KeyCodes.KEY_ENTER)\r
 359                                 closeDialog();\r
 360         }\r
 361 }\r