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.foldertree.Resource;\r
  39 import gr.grnet.pithos.web.client.rest.HeadRequest;\r
  40 import gr.grnet.pithos.web.client.rest.PostRequest;\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.http.client.Response;\r
  51 import com.google.gwt.http.client.URL;\r
  52 import com.google.gwt.http.client.UrlBuilder;\r
  53 import com.google.gwt.i18n.client.Dictionary;\r
  54 import com.google.gwt.resources.client.ImageResource;\r
  55 import com.google.gwt.user.client.Command;\r
  56 import com.google.gwt.user.client.Window;\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.CheckBox;\r
  61 import com.google.gwt.user.client.ui.FocusPanel;\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.TextBox;\r
  66 import com.google.gwt.user.client.ui.VerticalPanel;\r
  67 \r
  68 /**\r
  69  * The 'File properties' dialog box implementation.\r
  70  *\r
  71  */\r
  72 public class FilePermissionsDialog extends AbstractPropertiesDialog {\r
  73 \r
  74         protected PermissionsList permList;\r
  75 \r
  76         private HorizontalPanel pathPanel;\r
  77         \r
  78         private TextBox path;\r
  79         \r
  80         /**\r
  81          * An image bundle for this widgets images.\r
  82          */\r
  83         public interface Images extends MessagePanel.Images {\r
  84 \r
  85                 @Source("gr/grnet/pithos/resources/edit_user.png")\r
  86                 ImageResource permUser();\r
  87 \r
  88                 @Source("gr/grnet/pithos/resources/groups22.png")\r
  89                 ImageResource permGroup();\r
  90 \r
  91                 @Source("gr/grnet/pithos/resources/editdelete.png")\r
  92                 ImageResource delete();\r
  93         }\r
  94 \r
  95         final File file;\r
  96 \r
  97     Images images = GWT.create(Images.class);\r
  98 \r
  99         /**\r
 100          * The widget's constructor.\r
 101          */\r
 102         public FilePermissionsDialog(Pithos _app, File _file) {\r
 103         super(_app);\r
 104         file = _file;\r
 105 \r
 106                 Anchor close = new Anchor();\r
 107                 close.addStyleName("close");\r
 108                 close.addClickHandler(new ClickHandler() {\r
 109                         \r
 110                         @Override\r
 111                         public void onClick(ClickEvent event) {\r
 112                                 hide();\r
 113                         }\r
 114                 });\r
 115                 // Set the dialog's caption.\r
 116                 setText("File permissions");\r
 117                 setAnimationEnabled(true);\r
 118                 setGlassEnabled(true);\r
 119                 setStyleName("pithos-DialogBox");\r
 120 \r
 121                 // Outer contains inner and buttons.\r
 122                 final VerticalPanel outer = new VerticalPanel();\r
 123                 outer.add(close);\r
 124                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 125                 // Inner contains generalPanel and permPanel.\r
 126                 inner = new VerticalPanel();\r
 127                 inner.addStyleName("inner");\r
 128 \r
 129         inner.add(createSharingPanel());\r
 130 \r
 131         outer.add(inner);\r
 132 \r
 133                 final Button ok = new Button("Close", new ClickHandler() {\r
 134                         @Override\r
 135                         public void onClick(ClickEvent event) {\r
 136                                 closeDialog();\r
 137                         }\r
 138                 });\r
 139                 ok.addStyleName("button");\r
 140 \r
 141         outer.add(ok);\r
 142         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 143 \r
 144         focusPanel.setFocus(true);\r
 145         setWidget(outer);\r
 146         }\r
 147 \r
 148     private VerticalPanel createSharingPanel() {\r
 149         VerticalPanel permPanel = new VerticalPanel();\r
 150 \r
 151         permList = new PermissionsList(images, file.getPermissions(), file.getOwner(), false, new Command() {\r
 152                         \r
 153                         @Override\r
 154                         public void execute() {\r
 155                                 accept();\r
 156                         }\r
 157                 });\r
 158         permPanel.add(permList);\r
 159 \r
 160         HorizontalPanel permButtons = new HorizontalPanel();\r
 161         final Button addUser = new Button("Add User", new ClickHandler() {\r
 162             @Override\r
 163             public void onClick(ClickEvent event) {\r
 164                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 165                 dlg.center();\r
 166                 permList.updatePermissionTable();\r
 167             }\r
 168         });\r
 169         addUser.addStyleName("button");\r
 170         permButtons.add(addUser);\r
 171         permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 172 \r
 173         Button add = new Button("Add Group", new ClickHandler() {\r
 174             @Override\r
 175             public void onClick(ClickEvent event) {\r
 176                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 177                 dlg.center();\r
 178                 permList.updatePermissionTable();\r
 179             }\r
 180         });\r
 181         add.addStyleName("button");\r
 182         permButtons.add(add);\r
 183         permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 184 \r
 185         permButtons.setSpacing(8);\r
 186         permButtons.addStyleName("pithos-TabPanelBottom");\r
 187         permPanel.add(permButtons);\r
 188 \r
 189         final Label readForAllNote = new Label("When this option is enabled, the file will be readable" +\r
 190                     " by everyone. By checking this option, you are certifying that you have the right to " +\r
 191                     "distribute this file and that it does not violate the Terms of Use.", true);\r
 192         readForAllNote.setStylePrimaryName("pithos-readForAllNote");\r
 193 \r
 194         pathPanel = new HorizontalPanel();\r
 195         pathPanel.setVisible(false);\r
 196         pathPanel.setWidth("100%");\r
 197         pathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);\r
 198         pathPanel.add(new Label("Link"));\r
 199         pathPanel.setSpacing(8);\r
 200         pathPanel.addStyleName("pithos-TabPanelBottom");\r
 201 \r
 202         path = new TextBox();\r
 203         path.setWidth("100%");\r
 204         path.addClickHandler(new ClickHandler() {\r
 205             @Override\r
 206             public void onClick(ClickEvent event) {\r
 207                 Pithos.enableIESelection();\r
 208                 ((TextBox) event.getSource()).selectAll();\r
 209                 Pithos.preventIESelection();\r
 210             }\r
 211         });\r
 212         path.setText(Window.Location.getHost() + file.getPublicUri());\r
 213         path.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");\r
 214         path.setWidth("100%");\r
 215         path.setReadOnly(true);\r
 216         pathPanel.add(path);\r
 217         permPanel.add(pathPanel);\r
 218 \r
 219         Scheduler.get().scheduleDeferred(new Command() {\r
 220                         \r
 221                         @Override\r
 222                         public void execute() {\r
 223                                 showLinkIfShared();\r
 224                         }\r
 225                 });\r
 226         return permPanel;\r
 227     }\r
 228 \r
 229     void showLinkIfShared() {\r
 230                 if (file.isShared()) {\r
 231                         UrlBuilder b = Window.Location.createUrlBuilder();\r
 232                         b.setPath(app.getApiPath() + file.getOwner() + file.getUri());\r
 233                         String href = Window.Location.getHref();\r
 234                         boolean hasParameters = href.contains("?");\r
 235                         path.setText(href + (hasParameters ? "&" : "?") + "goto=" + b.buildString());\r
 236                 pathPanel.setVisible(true);\r
 237                 }\r
 238                 else {\r
 239                         pathPanel.setVisible(false);\r
 240                 }\r
 241     }\r
 242         /**\r
 243          * Accepts any change and updates the file\r
 244          *\r
 245          */\r
 246         @Override\r
 247         protected void accept() {\r
 248         updateMetaData(app.getApiPath(), app.getUsername(), file.getUri() + "?update=", permList.getPermissions());\r
 249         }\r
 250 \r
 251         protected void updateMetaData(String api, String owner, final String path, final Map<String, Boolean[]> newPermissions) {\r
 252         if (newPermissions != null) {\r
 253             PostRequest updateFile = new PostRequest(api, owner, path) {\r
 254                 @Override\r
 255                 public void onSuccess(Resource result) {\r
 256                         HeadRequest<File> headFile = new HeadRequest<File>(File.class, app.getApiPath(), file.getOwner(), path, file) {\r
 257 \r
 258                                                 @Override\r
 259                                                 public void onSuccess(File _result) {\r
 260                                                         showLinkIfShared();\r
 261                                     app.updateFolder(file.getParent(), true, new Command() {\r
 262                                                                 \r
 263                                                                 @Override\r
 264                                                                 public void execute() {\r
 265                                                                         app.updateMySharedRoot();\r
 266                                                                 }\r
 267                                                         }, true);\r
 268                                                 }\r
 269 \r
 270                                                 @Override\r
 271                                                 public void onError(Throwable t) {\r
 272                                     GWT.log("", t);\r
 273                                                         app.setError(t);\r
 274                                     app.displayError("System error modifying file:" + t.getMessage());\r
 275                                                 }\r
 276 \r
 277                                                 @Override\r
 278                                                 protected void onUnauthorized(Response response) {\r
 279                                                         app.sessionExpired();\r
 280                                                 }\r
 281                                         };\r
 282                                         headFile.setHeader("X-Auth-Token", app.getToken());\r
 283                                         Scheduler.get().scheduleDeferred(headFile);\r
 284                 }\r
 285 \r
 286                 @Override\r
 287                 public void onError(Throwable t) {\r
 288                     GWT.log("", t);\r
 289                                         app.setError(t);\r
 290                     app.displayError("System error modifying file:" + t.getMessage());\r
 291                 }\r
 292 \r
 293                                 @Override\r
 294                                 protected void onUnauthorized(Response response) {\r
 295                                         app.sessionExpired();\r
 296                                 }\r
 297             };\r
 298             updateFile.setHeader("X-Auth-Token", app.getToken());\r
 299             \r
 300             String readPermHeader = "read=";\r
 301             String writePermHeader = "write=";\r
 302             for (String u : newPermissions.keySet()) {\r
 303                 Boolean[] p = newPermissions.get(u);\r
 304                 if (p[0] != null && p[0])\r
 305                     readPermHeader += u + ",";\r
 306                 if (p[1] != null && p[1])\r
 307                     writePermHeader += u + ",";\r
 308             }\r
 309             if (readPermHeader.endsWith("="))\r
 310                 readPermHeader = "";\r
 311             else if (readPermHeader.endsWith(","))\r
 312                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 313             if (writePermHeader.endsWith("="))\r
 314                 writePermHeader = "";\r
 315             else if (writePermHeader.endsWith(","))\r
 316                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 317             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 318             if (permHeader.length() == 0)\r
 319                 permHeader="~";\r
 320             else\r
 321                 permHeader = URL.encodePathSegment(permHeader);\r
 322             updateFile.setHeader("X-Object-Sharing", permHeader);\r
 323             Scheduler.get().scheduleDeferred(updateFile);\r
 324         }\r
 325         else\r
 326             app.updateFolder(file.getParent(), true, new Command() {\r
 327                                 \r
 328                                 @Override\r
 329                                 public void execute() {\r
 330                                         if (file.isSharedOrPublished())\r
 331                                                 app.updateMySharedRoot();\r
 332                                 }\r
 333                         }, true);\r
 334     }\r
 335 \r
 336         @Override\r
 337         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 338             super.onPreviewNativeEvent(preview);\r
 339 \r
 340             NativeEvent evt = preview.getNativeEvent();\r
 341             if (evt.getType().equals("keydown") && evt.getKeyCode() == KeyCodes.KEY_ENTER)\r
 342                                 closeDialog();\r
 343         }\r
 344 }\r