code.grnet.gr Git - pithos/blob - gss/src/gr/ebs/gss/client/FilePropertiesDialog.java

   1 /*\r
   2  * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.\r
   3  *\r
   4  * This file is part of GSS.\r
   5  *\r
   6  * GSS is free software: you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation, either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * GSS is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.\r
  18  */\r
  19 package gr.ebs.gss.client;\r
  20 \r
  21 import gr.ebs.gss.client.rest.ExecuteGet;\r
  22 import gr.ebs.gss.client.rest.ExecutePost;\r
  23 import gr.ebs.gss.client.rest.RestException;\r
  24 import gr.ebs.gss.client.rest.resource.FileResource;\r
  25 import gr.ebs.gss.client.rest.resource.FolderResource;\r
  26 import gr.ebs.gss.client.rest.resource.GroupResource;\r
  27 import gr.ebs.gss.client.rest.resource.GroupUserResource;\r
  28 import gr.ebs.gss.client.rest.resource.PermissionHolder;\r
  29 import gr.ebs.gss.client.rest.resource.TagsResource;\r
  30 \r
  31 import java.util.Iterator;\r
  32 import java.util.List;\r
  33 import java.util.Set;\r
  34 \r
  35 import com.google.gwt.core.client.GWT;\r
  36 import com.google.gwt.i18n.client.DateTimeFormat;\r
  37 import com.google.gwt.json.client.JSONArray;\r
  38 import com.google.gwt.json.client.JSONBoolean;\r
  39 import com.google.gwt.json.client.JSONObject;\r
  40 import com.google.gwt.json.client.JSONString;\r
  41 import com.google.gwt.user.client.Command;\r
  42 import com.google.gwt.user.client.DeferredCommand;\r
  43 import com.google.gwt.user.client.Window;\r
  44 import com.google.gwt.user.client.ui.AbstractImagePrototype;\r
  45 import com.google.gwt.user.client.ui.Button;\r
  46 import com.google.gwt.user.client.ui.CheckBox;\r
  47 import com.google.gwt.user.client.ui.ClickListener;\r
  48 import com.google.gwt.user.client.ui.DialogBox;\r
  49 import com.google.gwt.user.client.ui.DisclosurePanel;\r
  50 import com.google.gwt.user.client.ui.FlexTable;\r
  51 import com.google.gwt.user.client.ui.FlowPanel;\r
  52 import com.google.gwt.user.client.ui.FocusPanel;\r
  53 import com.google.gwt.user.client.ui.HTML;\r
  54 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  55 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  56 import com.google.gwt.user.client.ui.ImageBundle;\r
  57 import com.google.gwt.user.client.ui.KeyboardListener;\r
  58 import com.google.gwt.user.client.ui.Label;\r
  59 import com.google.gwt.user.client.ui.TabPanel;\r
  60 import com.google.gwt.user.client.ui.TextBox;\r
  61 import com.google.gwt.user.client.ui.VerticalPanel;\r
  62 import com.google.gwt.user.client.ui.Widget;\r
  63 \r
  64 /**\r
  65  * The 'File properties' dialog box implementation.\r
  66  *\r
  67  * @author past\r
  68  */\r
  69 public class FilePropertiesDialog extends DialogBox {\r
  70 \r
  71         final PermissionsList permList;\r
  72 \r
  73         private CheckBox readForAll;\r
  74 \r
  75         /**\r
  76          * An image bundle for this widgets images.\r
  77          */\r
  78         public interface Images extends ImageBundle {\r
  79                 @Resource("gr/ebs/gss/resources/edit_user.png")\r
  80                 AbstractImagePrototype permUser();\r
  81 \r
  82                 @Resource("gr/ebs/gss/resources/groupevent.png")\r
  83                 AbstractImagePrototype permGroup();\r
  84 \r
  85                 @Resource("gr/ebs/gss/resources/editdelete.png")\r
  86                 AbstractImagePrototype delete();\r
  87 \r
  88                 @Resource("gr/ebs/gss/resources/db_update.png")\r
  89                 AbstractImagePrototype restore();\r
  90 \r
  91                 @Resource("gr/ebs/gss/resources/download_manager.png")\r
  92                 AbstractImagePrototype download();\r
  93         }\r
  94 \r
  95         /**\r
  96          * The widget that holds the name of the file.\r
  97          */\r
  98         private TextBox name = new TextBox();\r
  99 \r
 100         /**\r
 101          * Text box with the tags associated with the file\r
 102          */\r
 103         private TextBox tags = new TextBox();\r
 104 \r
 105         /**\r
 106          * A FlowPanel with all user tags\r
 107          */\r
 108         private FlowPanel allTagsContent;\r
 109 \r
 110         private String initialTags;\r
 111 \r
 112         private final CheckBox versioned = new CheckBox();\r
 113         final FileResource file;\r
 114 \r
 115         /**\r
 116          * The widget's constructor.\r
 117          *\r
 118          * @param images the dialog's ImageBundle\r
 119          * @param groups\r
 120          * @param bodies\r
 121          */\r
 122         public FilePropertiesDialog(final Images images,  final List<GroupResource> groups,  List<FileResource> bodies) {\r
 123                 // Use this opportunity to set the dialog's caption.\r
 124                 setText("File properties");\r
 125                 setAnimationEnabled(true);\r
 126                 file = (FileResource) GSS.get().getCurrentSelection();\r
 127                 permList = new PermissionsList(images, file.getPermissions(), file.getOwner());\r
 128 \r
 129                 // Outer contains inner and buttons\r
 130                 final VerticalPanel outer = new VerticalPanel();\r
 131                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 132                 // Inner contains generalPanel and permPanel\r
 133                 final TabPanel inner = new TabPanel();\r
 134                 final VerticalPanel generalPanel = new VerticalPanel();\r
 135                 final VerticalPanel permPanel = new VerticalPanel();\r
 136                 final HorizontalPanel buttons = new HorizontalPanel();\r
 137                 final HorizontalPanel permButtons = new HorizontalPanel();\r
 138                 final HorizontalPanel permForAll = new HorizontalPanel();\r
 139                 final VerticalPanel verPanel = new VerticalPanel();\r
 140                 final HorizontalPanel vPanel = new HorizontalPanel();\r
 141                 final HorizontalPanel vPanel2 = new HorizontalPanel();\r
 142 \r
 143                 versioned.setChecked(file.isVersioned());\r
 144                 inner.add(generalPanel, "General");\r
 145                 inner.add(permPanel, "Permissions");\r
 146                 inner.add(verPanel, "Versions");\r
 147                 inner.selectTab(0);\r
 148 \r
 149                 final FlexTable generalTable = new FlexTable();\r
 150                 generalTable.setText(0, 0, "Name");\r
 151                 generalTable.setText(1, 0, "Folder");\r
 152                 generalTable.setText(2, 0, "Owner");\r
 153                 generalTable.setText(3, 0, "Date");\r
 154                 generalTable.setText(4, 0, "Tags");\r
 155                 generalTable.setText(5, 0, "URI");\r
 156                 name.setText(file.getName());\r
 157                 generalTable.setWidget(0, 1, name);\r
 158                 if (GSS.get().getFolders().getCurrent() != null && GSS.get().getFolders().getCurrent().getUserObject() instanceof FolderResource) {\r
 159                         FolderResource folder = (FolderResource) GSS.get().getFolders().getCurrent().getUserObject();\r
 160                         generalTable.setText(1, 1, folder.getName());\r
 161                 } else if (GSS.get().getFolders().getCurrent() != null && GSS.get().getFolders().getCurrent().getUserObject() instanceof GroupUserResource) {\r
 162                         GroupUserResource folder = (GroupUserResource) GSS.get().getFolders().getCurrent().getUserObject();\r
 163                         generalTable.setText(1, 1, folder.getName());\r
 164                 }\r
 165                 generalTable.setText(2, 1, file.getOwner());\r
 166                 final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 167                 generalTable.setText(3, 1, formatter.format(file.getCreationDate()));\r
 168                 // Get the tags\r
 169                 StringBuffer tagsBuffer = new StringBuffer();\r
 170                 Iterator i = file.getTags().iterator();\r
 171                 while (i.hasNext()) {\r
 172                         String tag = (String) i.next();\r
 173                         tagsBuffer.append(tag).append(", ");\r
 174                 }\r
 175                 if (tagsBuffer.length() > 1)\r
 176                         tagsBuffer.delete(tagsBuffer.length() - 2, tagsBuffer.length() - 1);\r
 177                 tags.setText(tagsBuffer.toString());\r
 178                 initialTags = tags.getText();\r
 179                 generalTable.setWidget(4, 1, tags);\r
 180                 TextBox path = new TextBox();\r
 181                 path.setText(file.getPath());\r
 182                 path.setTitle("Use this URI for sharing this file with the world");\r
 183                 path.setReadOnly(true);\r
 184                 generalTable.setWidget(5, 1, path);\r
 185                 generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 186                 generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 187                 generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 188                 generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 189                 generalTable.getFlexCellFormatter().setStyleName(4, 0, "props-labels");\r
 190                 generalTable.getFlexCellFormatter().setStyleName(5, 0, "props-labels");\r
 191                 generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 192                 generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 193                 generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 194                 generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 195                 generalTable.getFlexCellFormatter().setStyleName(4, 1, "props-values");\r
 196                 generalTable.getFlexCellFormatter().setStyleName(5, 1, "props-values");\r
 197                 generalTable.setCellSpacing(4);\r
 198 \r
 199                 // Create the 'OK' button, along with a listener that hides the dialog\r
 200                 // when the button is clicked.\r
 201                 final Button ok = new Button("OK", new ClickListener() {\r
 202 \r
 203                         public void onClick(Widget sender) {\r
 204                                 accept();\r
 205                                 hide();\r
 206                         }\r
 207                 });\r
 208                 buttons.add(ok);\r
 209                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 210                 // Create the 'Cancel' button, along with a listener that hides the\r
 211                 // dialog\r
 212                 // when the button is clicked.\r
 213                 final Button cancel = new Button("Cancel", new ClickListener() {\r
 214 \r
 215                         public void onClick(Widget sender) {\r
 216                                 hide();\r
 217                         }\r
 218                 });\r
 219                 buttons.add(cancel);\r
 220                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 221                 buttons.setSpacing(8);\r
 222                 buttons.addStyleName("gwt-TabPanelBottom");\r
 223 \r
 224                 generalPanel.add(generalTable);\r
 225 \r
 226                 // Asynchronously retrieve the tags defined by this user\r
 227                 DeferredCommand.addCommand(new Command() {\r
 228 \r
 229                         public void execute() {\r
 230                                 updateTags();\r
 231                         }\r
 232                 });\r
 233 \r
 234                 DisclosurePanel allTags = new DisclosurePanel("All tags");\r
 235                 allTagsContent = new FlowPanel();\r
 236                 allTags.setContent(allTagsContent);\r
 237                 generalPanel.add(allTags);\r
 238                 generalPanel.setSpacing(4);\r
 239 \r
 240                 final Button add = new Button("Add Group", new ClickListener() {\r
 241 \r
 242                         public void onClick(Widget sender) {\r
 243                                 // hide();\r
 244                                 PermissionsAddDialog dlg = new PermissionsAddDialog(images, groups, permList, false);\r
 245                                 dlg.center();\r
 246                         }\r
 247                 });\r
 248                 permButtons.add(add);\r
 249                 permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 250 \r
 251                 final Button addUser = new Button("Add User", new ClickListener() {\r
 252 \r
 253                         public void onClick(Widget sender) {\r
 254                                 // hide();\r
 255                                 PermissionsAddDialog dlg = new PermissionsAddDialog(images, groups, permList, true);\r
 256                                 dlg.center();\r
 257                         }\r
 258                 });\r
 259                 permButtons.add(addUser);\r
 260                 permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 261 \r
 262                 permButtons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 263                 permButtons.setSpacing(8);\r
 264                 permButtons.addStyleName("gwt-TabPanelBottom");\r
 265 \r
 266                 final Label readForAllNote = new Label("When this option is enabled, the file will be readable" +\r
 267                                 " by everyone. By checking this option, you are certifying that you have the right to " +\r
 268                                 "distribute this file and that it does not violate the Terms of Use.", true);\r
 269                 readForAllNote.setVisible(false);\r
 270                 readForAllNote.setStylePrimaryName("gss-readForAllNote");\r
 271 \r
 272                 readForAll = new CheckBox();\r
 273                 readForAll.setChecked(file.isReadForAll());\r
 274                 readForAll.addClickListener(new ClickListener() {\r
 275 \r
 276                         public void onClick(Widget sender) {\r
 277                                 if (readForAll.isChecked())\r
 278                                         readForAllNote.setVisible(true);\r
 279                                 else\r
 280                                         readForAllNote.setVisible(false);\r
 281                         }\r
 282 \r
 283                 });\r
 284                 permForAll.add(new Label("Read For All:"));\r
 285                 permForAll.add(readForAll);\r
 286                 permForAll.setSpacing(8);\r
 287                 permForAll.addStyleName("gwt-TabPanelBottom");\r
 288                 permPanel.add(permList);\r
 289                 permPanel.add(permButtons);\r
 290                 permPanel.add(permForAll);\r
 291                 permPanel.add(readForAllNote);\r
 292 \r
 293                 VersionsList verList = new VersionsList(this, images, bodies);\r
 294                 verPanel.add(verList);\r
 295 \r
 296                 vPanel.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 297                 vPanel.setSpacing(8);\r
 298                 vPanel.addStyleName("gwt-TabPanelBottom");\r
 299                 vPanel.add(new Label("Versioned:"));\r
 300 \r
 301                 vPanel.add(versioned);\r
 302                 verPanel.add(vPanel);\r
 303                 vPanel2.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 304                 vPanel2.setSpacing(8);\r
 305                 vPanel2.addStyleName("gwt-TabPanelBottom");\r
 306                 Button removeVersionsButton = new Button(images.delete().getHTML(),new ClickListener(){\r
 307 \r
 308                         public void onClick(Widget sender) {\r
 309                                 //TODO: replace javascript confirmation dialog\r
 310                                 boolean confirm = Window.confirm("Really remove all previous versions?");\r
 311                                 if(confirm)\r
 312                                         hide();\r
 313                                         removeAllOldVersions();\r
 314 \r
 315                         }\r
 316 \r
 317 \r
 318 \r
 319                 });\r
 320                 HTML removeAllVersion = new HTML("<span>Remove all previous versions?</span>");\r
 321                 vPanel2.add(removeAllVersion);\r
 322                 vPanel2.add(removeVersionsButton);\r
 323                 verPanel.add(vPanel2);\r
 324                 outer.add(inner);\r
 325                 outer.add(buttons);\r
 326                 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 327                 outer.addStyleName("gwt-TabPanelBottom");\r
 328 \r
 329                 focusPanel.setFocus(true);\r
 330                 setWidget(outer);\r
 331         }\r
 332 \r
 333         /**\r
 334          * Retrieves all user tags from the server and updates the FlowPanel\r
 335          *\r
 336          * @param userId\r
 337          */\r
 338         private void updateTags() {\r
 339                 ExecuteGet<TagsResource> tc = new ExecuteGet<TagsResource>(TagsResource.class, GSS.get().getCurrentUserResource().getTagsPath()){\r
 340 \r
 341                         public void onComplete() {\r
 342                                 allTagsContent.clear();\r
 343                                 TagsResource tagr = getResult();\r
 344                                 List<String> userTags = tagr.getTags();\r
 345                                 Iterator t = userTags.iterator();\r
 346                                 while (t.hasNext()) {\r
 347                                         final Button tag = new Button((String) t.next(), new ClickListener() {\r
 348 \r
 349                                                 public void onClick(Widget sender) {\r
 350                                                         String existing = tags.getText();\r
 351                                                         String newTag = ((Button) sender).getText().trim();\r
 352                                                         // insert the new tag only if it is not in the list\r
 353                                                         // already\r
 354                                                         if (existing.indexOf(newTag + ",") == -1 && !existing.trim().endsWith(newTag))\r
 355                                                                 tags.setText(existing.trim() + (existing.length() > 0 ? ", " : "") + newTag);\r
 356                                                 }\r
 357                                         });\r
 358                                         allTagsContent.add(tag);\r
 359                                 }\r
 360                         }\r
 361 \r
 362                         @Override\r
 363                         public void onError(Throwable t) {\r
 364                                 GWT.log("", t);\r
 365                                 GSS.get().displayError("Unable to fetch user tags");\r
 366                         }\r
 367                 };\r
 368                 DeferredCommand.addCommand(tc);\r
 369 \r
 370         }\r
 371 \r
 372         @Override\r
 373         @SuppressWarnings("fallthrough")\r
 374         public boolean onKeyDownPreview(char key, int modifiers) {\r
 375                 // Use the popup's key preview hooks to close the dialog when either\r
 376                 // enter or escape is pressed.\r
 377                 switch (key) {\r
 378                         case KeyboardListener.KEY_ENTER:\r
 379                                 accept();\r
 380                         case KeyboardListener.KEY_ESCAPE:\r
 381                                 hide();\r
 382                                 break;\r
 383                 }\r
 384 \r
 385                 return true;\r
 386         }\r
 387 \r
 388         /**\r
 389          * Accepts any change and updates the file\r
 390          *\r
 391          * @param userId\r
 392          */\r
 393         private void accept() {\r
 394                 permList.updatePermissionsAccordingToInput();\r
 395                 Set<PermissionHolder> perms = permList.getPermissions();\r
 396                 JSONObject json = new JSONObject();\r
 397                 json.put("name", new JSONString(name.getText()));\r
 398                 json.put("versioned", JSONBoolean.getInstance(versioned.isChecked()));\r
 399                 json.put("readForAll", JSONBoolean.getInstance(readForAll.isChecked()));\r
 400                 JSONArray perma = new JSONArray();\r
 401                 int i=0;\r
 402                 for(PermissionHolder p : perms){\r
 403                         JSONObject po = new JSONObject();\r
 404                         if(p.getUser() != null)\r
 405                                 po.put("user", new JSONString(p.getUser()));\r
 406                         if(p.getGroup() != null)\r
 407                                 po.put("group", new JSONString(p.getGroup()));\r
 408                         po.put("read", JSONBoolean.getInstance(p.isRead()));\r
 409                         po.put("write", JSONBoolean.getInstance(p.isWrite()));\r
 410                         po.put("modifyACL", JSONBoolean.getInstance(p.isModifyACL()));\r
 411                         perma.set(i,po);\r
 412                         i++;\r
 413                 }\r
 414                 json.put("permissions", perma);\r
 415                 JSONArray taga = new JSONArray();\r
 416                 i=0;\r
 417                 String[] tagset = tags.getText().split(",");\r
 418                 for(String t : tagset){\r
 419                         JSONString to = new JSONString(t);\r
 420                         taga.set(i,to);\r
 421                         i++;\r
 422                 }\r
 423                 json.put("tags", taga);\r
 424                 GWT.log(json.toString(), null);\r
 425                 ExecutePost cf = new ExecutePost(file.getPath()+"?update=",json.toString(), 200){\r
 426                         public void onComplete() {\r
 427                                 GSS.get().getFileList().updateFileCache(true);\r
 428                         }\r
 429 \r
 430 \r
 431                         public void onError(Throwable t) {\r
 432                                 GWT.log("", t);\r
 433                                 if(t instanceof RestException){\r
 434                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 435                                         if(statusCode == 405)\r
 436                                                 GSS.get().displayError("You don't have the necessary permissions");\r
 437                                         else if(statusCode == 404)\r
 438                                                 GSS.get().displayError("User in permissions does not exist");\r
 439                                         else if(statusCode == 409)\r
 440                                                 GSS.get().displayError("A file with the same name already exists");\r
 441                                         else if(statusCode == 413)\r
 442                                                 GSS.get().displayError("Your quota has been exceeded");\r
 443                                         else\r
 444                                                 GSS.get().displayError("Unable to modify file, status code:"+statusCode);\r
 445                                 }\r
 446                                 else\r
 447                                         GSS.get().displayError("System error modifying file:"+t.getMessage());\r
 448                         }\r
 449 \r
 450                 };\r
 451                 DeferredCommand.addCommand(cf);\r
 452 \r
 453 \r
 454         }\r
 455 \r
 456 \r
 457         private void removeAllOldVersions() {\r
 458                 toggleVersioned(false);\r
 459                 toggleVersioned(true);\r
 460         }\r
 461 \r
 462         private void toggleVersioned(boolean versionedValue){\r
 463                 JSONObject json = new JSONObject();\r
 464                 json.put("versioned", JSONBoolean.getInstance(versionedValue));\r
 465                 GWT.log(json.toString(), null);\r
 466                 ExecutePost cf = new ExecutePost(file.getPath()+"?update=",json.toString(), 200){\r
 467                         public void onComplete() {\r
 468                                 GSS.get().getFileList().updateFileCache(true);\r
 469                         }\r
 470 \r
 471                         public void onError(Throwable t) {\r
 472                                 GWT.log("", t);\r
 473                                 if(t instanceof RestException){\r
 474                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 475                                         if(statusCode == 405)\r
 476                                                 GSS.get().displayError("You don't have the necessary permissions");\r
 477                                         else if(statusCode == 404)\r
 478                                                 GSS.get().displayError("User in permissions does not exist");\r
 479                                         else if(statusCode == 409)\r
 480                                                 GSS.get().displayError("A folder with the same name already exists");\r
 481                                         else if(statusCode == 413)\r
 482                                                 GSS.get().displayError("Your quota has been exceeded");\r
 483                                         else\r
 484                                                 GSS.get().displayError("Unable to modify file, status code:"+statusCode);\r
 485                                 }\r
 486                                 else\r
 487                                         GSS.get().displayError("System error moifying file:"+t.getMessage());\r
 488                         }\r
 489                 };\r
 490                 DeferredCommand.addCommand(cf);\r
 491         }\r
 492 \r
 493 }\r