code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FileShareDialog.java

   1 /*
   2  * Copyright 2011-2013 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import com.google.gwt.http.client.URL;
  38 import com.google.gwt.user.client.ui.*;
  39 import gr.grnet.pithos.web.client.foldertree.File;
  40 import gr.grnet.pithos.web.client.rest.HeadRequest;
  41 import gr.grnet.pithos.web.client.rest.PostRequest;
  42
  43 import com.google.gwt.core.client.GWT;
  44 import com.google.gwt.core.client.Scheduler;
  45 import com.google.gwt.dom.client.NativeEvent;
  46 import com.google.gwt.event.dom.client.ClickEvent;
  47 import com.google.gwt.event.dom.client.ClickHandler;
  48 import com.google.gwt.event.dom.client.KeyCodes;
  49 import com.google.gwt.http.client.Response;
  50 import com.google.gwt.http.client.UrlBuilder;
  51 import com.google.gwt.resources.client.ImageResource;
  52 import com.google.gwt.user.client.Command;
  53 import com.google.gwt.user.client.Window;
  54 import com.google.gwt.user.client.Event.NativePreviewEvent;
  55
  56 import java.util.Map;
  57
  58 /**
  59  * UI for the "Share" command.
  60  */
  61 public class FileShareDialog extends AbstractPropertiesDialog {
  62     // For public sharing
  63         private final HorizontalPanel publicPathPanel = new HorizontalPanel();
  64         private final TextBox publicPathText = new TextBox();
  65
  66     // For private sharing
  67     private final HorizontalPanel privatePathPanel = new HorizontalPanel();
  68     private final TextBox privatePathText = new TextBox();
  69     private final VerticalPanel privatePermSuperPanel = new VerticalPanel();
  70     private PermissionsList permList;
  71
  72         /**
  73          * An image bundle for this widgets images.
  74          */
  75         public interface PublicSharingImages extends MessagePanel.Images {
  76
  77                 @Source("gr/grnet/pithos/resources/edit_user.png")
  78                 ImageResource permUser();
  79
  80                 @Source("gr/grnet/pithos/resources/groups22.png")
  81                 ImageResource permGroup();
  82
  83                 @Source("gr/grnet/pithos/resources/editdelete.png")
  84                 ImageResource delete();
  85     }
  86
  87     public interface PrivateSharingImages extends MessagePanel.Images {
  88
  89         @Source("gr/grnet/pithos/resources/edit_user.png")
  90         ImageResource permUser();
  91
  92         @Source("gr/grnet/pithos/resources/groups22.png")
  93         ImageResource permGroup();
  94
  95         @Source("gr/grnet/pithos/resources/delete.gif")
  96         ImageResource delete();
  97     }
  98
  99     private final File file;
 100
 101     private final PublicSharingImages publicSharingImages = GWT.create(PublicSharingImages.class);
 102     private final PrivateSharingImages privateSharingImages = GWT.create(PrivateSharingImages.class);
 103
 104         /**
 105          * The widget's constructor.
 106          */
 107         public FileShareDialog(Pithos _app, File _file) {
 108         super(_app);
 109         file = _file;
 110
 111                 Anchor close = new Anchor("close");
 112                 close.addStyleName("close");
 113                 close.addClickHandler(new ClickHandler() {
 114
 115                         @Override
 116                         public void onClick(ClickEvent event) {
 117                                 hide();
 118                         }
 119                 });
 120                 // Set the dialog's caption.
 121                 setText("Share");
 122                 setGlassEnabled(true);
 123                 setStyleName("pithos-DialogBox");
 124
 125                 // Outer contains inner and buttons.
 126                 final VerticalPanel outer = new VerticalPanel();
 127                 outer.add(close);
 128                 final FocusPanel focusPanel = new FocusPanel(outer);
 129                 // Inner contains generalPanel and permPanel.
 130                 inner = new VerticalPanel();
 131                 inner.addStyleName("inner");
 132
 133         inner.add(createMainPanel());
 134
 135         outer.add(inner);
 136
 137                 final Button ok = new Button("OK", new ClickHandler() {
 138                         @Override
 139                         public void onClick(ClickEvent event) {
 140                                 closeDialog();
 141                         }
 142                 });
 143                 ok.addStyleName("button");
 144
 145         outer.add(ok);
 146         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
 147
 148         focusPanel.setFocus(true);
 149         setWidget(outer);
 150         }
 151
 152     private boolean IamOwner() {
 153         return file.getOwnerID().equals(app.getUserID());
 154     }
 155
 156     private void populatePublicSharingPanel(VerticalPanel publicSharingPanel) {
 157         if(IamOwner()) {
 158             final HorizontalPanel publicCheckPanel = new HorizontalPanel();
 159             publicCheckPanel.setSpacing(8);
 160
 161             // Check box header
 162             final CheckBox publicCheckBox = new CheckBox();
 163             Label publicCheckTitle = new InlineHTML("<b>Public on the Internet</b>");
 164             Label publicCheckInfo = new Label("Anyone who has the public link can access. No sign-in required.", true);
 165
 166             publicCheckBox.setValue(isFilePubliclyShared());
 167             publicCheckBox.addClickHandler(new ClickHandler() {
 168                 @Override
 169                 public void onClick(ClickEvent event) {
 170                     final Boolean published;
 171                     if(publicCheckBox.getValue() != file.isPublished() && IamOwner()) {
 172                         published = publicCheckBox.getValue();
 173                     }
 174                     else {
 175                         published = Boolean.FALSE;
 176                     }
 177
 178                     updateMetaDataForPublicSharing(published);
 179                 }
 180             });
 181
 182             publicCheckPanel.add(publicCheckBox);
 183             publicCheckPanel.add(publicCheckTitle);
 184             publicCheckPanel.add(publicCheckInfo);
 185
 186             // Public Link
 187             publicPathPanel.setVisible(false);
 188             publicPathPanel.setWidth(Const.PERCENT_100);
 189             publicPathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
 190             publicPathPanel.add(new Label("Link"));
 191             publicPathPanel.setSpacing(8);
 192             publicPathPanel.addStyleName("pithos-TabPanelBottom");
 193
 194             publicPathText.setWidth(Const.PERCENT_100);
 195             publicPathText.addClickHandler(new ClickHandler() {
 196                 @Override
 197                 public void onClick(ClickEvent event) {
 198                     Pithos.enableIESelection();
 199                     ((TextBox) event.getSource()).selectAll();
 200                     Pithos.preventIESelection();
 201                 }
 202             });
 203             publicPathText.setText(Window.Location.getHost() + file.getPublicUri());
 204             publicPathText.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");
 205             publicPathText.setReadOnly(true);
 206             publicPathPanel.add(publicPathText);
 207
 208             publicSharingPanel.add(publicCheckPanel);
 209             publicSharingPanel.add(publicPathPanel);
 210
 211             Scheduler.get().scheduleDeferred(new Command() {
 212                 @Override
 213                 public void execute() {
 214                     showLinkForPublicSharing();
 215                 }
 216             });
 217         }
 218     }
 219
 220     private void populatePrivateSharingPanel(VerticalPanel privateSharingPanel) {
 221         final HorizontalPanel privateCheckPanel = new HorizontalPanel();
 222         final VerticalPanel privatePermPanel = new VerticalPanel();
 223         final HorizontalPanel permButtons = new HorizontalPanel();
 224
 225         privateCheckPanel.setSpacing(8);
 226         privatePermPanel.setVisible(isFilePrivatelyShared());
 227         permButtons.setSpacing(8);
 228
 229         // Check box header
 230         final CheckBox privateCheckBox = new CheckBox();
 231         final Label privateCheckTitle = new  InlineHTML("<b>Private sharing</b>");
 232         final Label privateCheckInfo = new Label("Only people explicitly granted permission can access. Sign-in required.", true);
 233
 234         privateCheckBox.setValue(isFilePrivatelyShared());
 235         privateCheckBox.addClickHandler(new ClickHandler() {
 236             @Override
 237             public void onClick(ClickEvent event) {
 238                 if(isFilePrivatelyShared()) {
 239                     // ignore the click, set it always to "checked"
 240                     privateCheckBox.setValue(true);
 241                     // show permissions
 242                     privatePermPanel.setVisible(true);
 243                 }
 244                 else {
 245                     // This is the value *after* the click is applied :)
 246                     boolean isChecked = privateCheckBox.getValue();
 247                     privatePermPanel.setVisible(isChecked);
 248                 }
 249             }
 250         });
 251
 252         privateCheckPanel.add(privateCheckBox);
 253         privateCheckPanel.add(privateCheckTitle);
 254         privateCheckPanel.add(privateCheckInfo);
 255
 256         // Permission list
 257         permList = new PermissionsList(app, privateSharingImages, file.getPermissions(), file.getOwnerID(), false, new Command() {
 258             @Override
 259             public void execute() {
 260                 updateMetaDataForPrivateSharing();
 261             }
 262         });
 263
 264         // Permission Add buttons
 265         Button addUser = new Button("Add User", new ClickHandler() {
 266             @Override
 267             public void onClick(ClickEvent event) {
 268                 PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);
 269                 dlg.center();
 270                 permList.updatePermissionTable();
 271             }
 272         });
 273         addUser.addStyleName("button");
 274         permButtons.add(addUser);
 275         permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);
 276
 277         Button add = new Button("Add Group", new ClickHandler() {
 278             @Override
 279             public void onClick(ClickEvent event) {
 280                 if (app.getAccount().getGroups().isEmpty()) {
 281                     new GroupCreateDialog(app, new Command() {
 282
 283                         @Override
 284                         public void execute() {
 285                             if (app.getAccount().getGroups().isEmpty()) {
 286                                 return;
 287                             }
 288                             PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);
 289                             dlg.center();
 290                         }
 291                     }).center();
 292                 }
 293                 else {
 294                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);
 295                     dlg.center();
 296                 }
 297             }
 298         });
 299         add.addStyleName("button");
 300         permButtons.add(add);
 301         permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);
 302
 303         privatePermPanel.add(permList);
 304         privatePermPanel.add(permButtons);
 305
 306         // Private Link
 307         privatePathPanel.setVisible(false);
 308         privatePathPanel.setWidth(Const.PERCENT_100);
 309         privatePathPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
 310         privatePathPanel.add(new Label("Link"));
 311         privatePathPanel.setSpacing(8);
 312         privatePathPanel.addStyleName("pithos-TabPanelBottom");
 313
 314         privatePathText.setWidth(Const.PERCENT_100);
 315         privatePathText.addClickHandler(new ClickHandler() {
 316             @Override
 317             public void onClick(ClickEvent event) {
 318                 Pithos.enableIESelection();
 319                 ((TextBox) event.getSource()).selectAll();
 320                 Pithos.preventIESelection();
 321             }
 322         });
 323         privatePathText.setText(Window.Location.getHost() + file.getPublicUri());
 324         privatePathText.setTitle("Use this link for sharing the file via e-mail, IM, etc. (crtl-C/cmd-C to copy to system clipboard)");
 325         privatePathText.setWidth(Const.PERCENT_100);
 326         privatePathText.setReadOnly(true);
 327         privatePathPanel.add(privatePathText);
 328
 329         Scheduler.get().scheduleDeferred(new Command() {
 330             @Override
 331             public void execute() {
 332                 showLinkForPrivateSharing();
 333             }
 334         });
 335
 336         privateSharingPanel.add(privateCheckPanel);
 337         privateSharingPanel.add(privatePermPanel);
 338         privateSharingPanel.add(privatePathPanel);
 339     }
 340
 341     private Panel createMainPanel() {
 342         VerticalPanel panelAll = new VerticalPanel();
 343         VerticalPanel panelPublic = new VerticalPanel();
 344         VerticalPanel panelPrivate = new VerticalPanel();
 345
 346         populatePrivateSharingPanel(panelPrivate);
 347         populatePublicSharingPanel(panelPublic);
 348
 349         panelAll.add(panelPrivate);
 350         panelAll.add(panelPublic);
 351
 352         return panelAll;
 353     }
 354
 355     private boolean isFilePubliclyShared() {
 356         return file.isPublished();
 357     }
 358
 359     private boolean isFilePrivatelyShared() {
 360         return file.isShared();
 361     }
 362
 363     private void showLinkForPublicSharing() {
 364                 if (isFilePubliclyShared()) {
 365                         UrlBuilder b = Window.Location.createUrlBuilder();
 366                         b.setPath(file.getPublicUri());
 367                         publicPathText.setText(b.buildString());
 368                 publicPathPanel.setVisible(true);
 369                 }
 370                 else {
 371                         publicPathPanel.setVisible(false);
 372                 }
 373     }
 374
 375     private void showLinkForPrivateSharing() {
 376         if (isFilePrivatelyShared()) {
 377             UrlBuilder b = Window.Location.createUrlBuilder();
 378             b.setPath(app.getApiPath() + file.getOwnerID() + file.getUri());
 379             String href = Window.Location.getHref();
 380             boolean hasParameters = href.contains(Const.QUESTION_MARK);
 381             privatePathText.setText(href + (hasParameters ? Const.AMPERSAND : Const.QUESTION_MARK) + Const.GOTO_EQ + b.buildString());
 382             privatePathPanel.setVisible(true);
 383         }
 384         else {
 385             privatePathPanel.setVisible(false);
 386         }
 387     }
 388
 389         protected void updateMetaDataForPublicSharing(String api, String owner, final String path, final Boolean published) {
 390         if (published != null) {
 391             PostRequest updateFile = new PostRequest(api, owner, path) {
 392                 @Override
 393                 public void onSuccess(Resource result) {
 394                         HeadRequest<File> headFile = new HeadRequest<File>(File.class, app.getApiPath(), file.getOwnerID(), path, file) {
 395
 396                                                 @Override
 397                                                 public void onSuccess(File _result) {
 398                                                         showLinkForPublicSharing();
 399                                                         if (!app.isMySharedSelected()) {
 400                                             app.updateFolder(file.getParent(), true, new Command() {
 401
 402                                                                         @Override
 403                                                                         public void execute() {
 404                                                                                 app.updateMySharedRoot();
 405                                                                         }
 406                                                                 }, true);
 407                             }
 408                                                         else {
 409                                                                 app.updateSharedFolder(file.getParent(), true);
 410                             }
 411                                                 }
 412
 413                                                 @Override
 414                                                 public void onError(Throwable t) {
 415                                                         app.setError(t);
 416                                     app.displayError("System error modifying file:" + t.getMessage());
 417                                                 }
 418
 419                                                 @Override
 420                                                 protected void onUnauthorized(Response response) {
 421                                                         app.sessionExpired();
 422                                                 }
 423                                         };
 424                                         headFile.setHeader(Const.X_AUTH_TOKEN, app.getUserToken());
 425                                         Scheduler.get().scheduleDeferred(headFile);
 426                 }
 427
 428                 @Override
 429                 public void onError(Throwable t) {
 430                                         app.setError(t);
 431                     app.displayError("System error modifying file:" + t.getMessage());
 432                 }
 433
 434                                 @Override
 435                                 protected void onUnauthorized(Response response) {
 436                                         app.sessionExpired();
 437                                 }
 438             };
 439             updateFile.setHeader(Const.X_AUTH_TOKEN, app.getUserToken());
 440             updateFile.setHeader(Const.X_OBJECT_PUBLIC, published.toString());
 441             Scheduler.get().scheduleDeferred(updateFile);
 442         }
 443         else if (!app.isMySharedSelected())
 444             app.updateFolder(file.getParent(), true, new Command() {
 445                                 @Override
 446                                 public void execute() {
 447                                         if (file.isSharedOrPublished()) {
 448                         app.updateMySharedRoot();
 449                     }
 450                                 }
 451                         }, true);
 452         else
 453                 app.updateSharedFolder(file.getParent(), true);
 454     }
 455     protected void updateMetaDataForPublicSharing(Boolean published) {
 456         updateMetaDataForPublicSharing(
 457             app.getApiPath(),
 458             app.getUserID(),
 459             file.getUri() + Const.QUESTION_MARK_UPDATE_EQ,
 460             published
 461         );
 462     }
 463
 464     protected void updateMetaDataForPrivateSharing(String api, String owner, final String path, final Map<String, Boolean[]> newPermissions) {
 465         if (newPermissions != null) {
 466             PostRequest updateFile = new PostRequest(api, owner, path) {
 467                 @Override
 468                 public void onSuccess(Resource result) {
 469                     HeadRequest<File> headFile = new HeadRequest<File>(File.class, app.getApiPath(), file.getOwnerID(), path, file) {
 470
 471                         @Override
 472                         public void onSuccess(File _result) {
 473                             showLinkForPrivateSharing();
 474                             if (!app.isMySharedSelected())
 475                                 app.updateFolder(file.getParent(), true, new Command() {
 476
 477                                     @Override
 478                                     public void execute() {
 479                                         app.updateMySharedRoot();
 480                                     }
 481                                 }, true);
 482                             else
 483                                 app.updateSharedFolder(file.getParent(), true);
 484                         }
 485
 486                         @Override
 487                         public void onError(Throwable t) {
 488                             app.setError(t);
 489                             app.displayError("System error modifying file:" + t.getMessage());
 490                         }
 491
 492                         @Override
 493                         protected void onUnauthorized(Response response) {
 494                             app.sessionExpired();
 495                         }
 496                     };
 497                     headFile.setHeader(Const.X_AUTH_TOKEN, app.getUserToken());
 498                     Scheduler.get().scheduleDeferred(headFile);
 499                 }
 500
 501                 @Override
 502                 public void onError(Throwable t) {
 503                     app.setError(t);
 504                     app.displayError("System error modifying file:" + t.getMessage());
 505                 }
 506
 507                 @Override
 508                 protected void onUnauthorized(Response response) {
 509                     app.sessionExpired();
 510                 }
 511             };
 512             updateFile.setHeader(Const.X_AUTH_TOKEN, app.getUserToken());
 513
 514             String readPermHeader = Const.READ_EQ;
 515             String writePermHeader = Const.WRITE_EQ;
 516             for (String u : newPermissions.keySet()) {
 517                 Boolean[] p = newPermissions.get(u);
 518                 if (p[0] != null && p[0]) {
 519                     readPermHeader += u + Const.COMMA;
 520                 }
 521                 if (p[1] != null && p[1]) {
 522                     writePermHeader += u + Const.COMMA;
 523                 }
 524             }
 525             if (readPermHeader.endsWith(Const.EQ)) {
 526                 readPermHeader = "";
 527             }
 528             else if (readPermHeader.endsWith(Const.COMMA)) {
 529                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);
 530             }
 531             if (writePermHeader.endsWith(Const.EQ)) {
 532                 writePermHeader = "";
 533             }
 534             else if (writePermHeader.endsWith(Const.COMMA)) {
 535                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);
 536             }
 537             String permHeader = readPermHeader +
 538                 ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  Const.SEMI : "") + writePermHeader;
 539             if (permHeader.length() == 0) {
 540                 permHeader=Const.TILDE;
 541             }
 542             else {
 543                 permHeader = URL.encodePathSegment(permHeader);
 544             }
 545             updateFile.setHeader(Const.X_OBJECT_SHARING, permHeader);
 546             Scheduler.get().scheduleDeferred(updateFile);
 547         }
 548         else if (!app.isMySharedSelected()) {
 549             app.updateFolder(file.getParent(), true, new Command() {
 550                 @Override
 551                 public void execute() {
 552                     if (file.isSharedOrPublished())
 553                         app.updateMySharedRoot();
 554                 }
 555             }, true);
 556         }
 557         else {
 558             app.updateSharedFolder(file.getParent(), true);
 559         }
 560     }
 561     protected void updateMetaDataForPrivateSharing() {
 562         updateMetaDataForPrivateSharing(
 563             app.getApiPath(),
 564             app.getUserID(),
 565             file.getUri() + Const.QUESTION_MARK_UPDATE_EQ,
 566             permList.getPermissions()
 567         );
 568     }
 569     @Override
 570         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 571             super.onPreviewNativeEvent(preview);
 572
 573             NativeEvent evt = preview.getNativeEvent();
 574             if (evt.getType().equals(Const.EVENT_TYPE_KEYDOWN) &&
 575             evt.getKeyCode() == KeyCodes.KEY_ENTER) {
 576
 577             closeDialog();
 578         }
 579         }
 580
 581     @Override
 582     protected boolean accept() {
 583         return true;
 584     }
 585 }