code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/FolderPropertiesDialog.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.FilePropertiesDialog.Images;\r
  22 import gr.ebs.gss.client.dnd.DnDTreeItem;\r
  23 import gr.ebs.gss.client.rest.PostCommand;\r
  24 import gr.ebs.gss.client.rest.RestException;\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.PermissionHolder;\r
  28 \r
  29 import java.util.List;\r
  30 import java.util.Set;\r
  31 \r
  32 import com.google.gwt.core.client.GWT;\r
  33 import com.google.gwt.dom.client.NativeEvent;\r
  34 import com.google.gwt.event.dom.client.ClickEvent;\r
  35 import com.google.gwt.event.dom.client.ClickHandler;\r
  36 import com.google.gwt.event.dom.client.KeyCodes;\r
  37 import com.google.gwt.http.client.URL;\r
  38 import com.google.gwt.i18n.client.DateTimeFormat;\r
  39 import com.google.gwt.json.client.JSONArray;\r
  40 import com.google.gwt.json.client.JSONBoolean;\r
  41 import com.google.gwt.json.client.JSONObject;\r
  42 import com.google.gwt.json.client.JSONString;\r
  43 import com.google.gwt.user.client.DeferredCommand;\r
  44 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  45 import com.google.gwt.user.client.ui.Button;\r
  46 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  47 import com.google.gwt.user.client.ui.DialogBox;\r
  48 import com.google.gwt.user.client.ui.FlexTable;\r
  49 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  50 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  51 import com.google.gwt.user.client.ui.TabPanel;\r
  52 import com.google.gwt.user.client.ui.TextBox;\r
  53 import com.google.gwt.user.client.ui.VerticalPanel;\r
  54 \r
  55 /**\r
  56  * The 'Folder properties' dialog box implementation.\r
  57  */\r
  58 public class FolderPropertiesDialog extends DialogBox {\r
  59 \r
  60         private List<GroupResource> groups = null;\r
  61 \r
  62         final PermissionsList permList;\r
  63 \r
  64         /**\r
  65          * The widget that holds the folderName of the folder.\r
  66          */\r
  67         private TextBox folderName = new TextBox();\r
  68 \r
  69         /**\r
  70          * A flag that denotes whether the dialog will be used to create or modify a\r
  71          * folder.\r
  72          */\r
  73         private final boolean create;\r
  74 \r
  75         final FolderResource folder;\r
  76 \r
  77         final TabPanel inner;\r
  78 \r
  79         /**\r
  80          * The widget's constructor.\r
  81          *\r
  82          * @param images the image icons from the file properties dialog\r
  83          * @param _create true if the dialog is displayed for creating a new\r
  84          *            sub-folder of the selected folder, false if it is displayed\r
  85          *            for modifying the selected folder\r
  86          */\r
  87         public FolderPropertiesDialog(Images images, boolean _create,  final List<GroupResource> _groups) {\r
  88                 setAnimationEnabled(true);\r
  89 \r
  90                 // Enable IE selection for the dialog (must disable it upon closing it)\r
  91                 GSS.enableIESelection();\r
  92 \r
  93                 create = _create;\r
  94                 DnDTreeItem folderItem = (DnDTreeItem)GSS.get().getFolders().getCurrent();\r
  95                 folder = folderItem.getFolderResource();\r
  96                 permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner());\r
  97                 groups = _groups;\r
  98 \r
  99                 // Use this opportunity to set the dialog's caption.\r
 100                 if (create)\r
 101                         setText("Create folder");\r
 102                 else\r
 103                         setText("Folder properties");\r
 104 \r
 105                 // Outer contains inner and buttons\r
 106                 VerticalPanel outer = new VerticalPanel();\r
 107                 // Inner contains generalPanel and permPanel\r
 108                 inner = new DecoratedTabPanel();\r
 109                 inner.setAnimationEnabled(true);\r
 110                 VerticalPanel generalPanel = new VerticalPanel();\r
 111                 VerticalPanel permPanel = new VerticalPanel();\r
 112                 HorizontalPanel buttons = new HorizontalPanel();\r
 113                 HorizontalPanel permButtons = new HorizontalPanel();\r
 114                 inner.add(generalPanel, "General");\r
 115                 if (!create)\r
 116                         inner.add(permPanel, "Sharing");\r
 117                 inner.selectTab(0);\r
 118 \r
 119                 FlexTable generalTable = new FlexTable();\r
 120                 generalTable.setText(0, 0, "Name");\r
 121                 generalTable.setText(1, 0, "Parent");\r
 122                 generalTable.setText(2, 0, "Creator");\r
 123                 generalTable.setText(3, 0, "Last modified");\r
 124                 folderName.setText(create ? "" : folder.getName());\r
 125                 generalTable.setWidget(0, 1, folderName);\r
 126                 if (create)\r
 127                         generalTable.setText(1, 1, folder.getName());\r
 128                 else if(folder.getParentName() == null)\r
 129                         generalTable.setText(1, 1, "-");\r
 130                 else\r
 131                         generalTable.setText(1, 1, folder.getParentName());\r
 132                 generalTable.setText(2, 1, folder.getOwner());\r
 133                 DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 134                 if(folder.getModificationDate() != null)\r
 135                         generalTable.setText(3, 1, formatter.format(folder.getModificationDate()));\r
 136                 generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 137                 generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 138                 generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 139                 generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 140                 generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 141                 generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 142                 generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 143                 generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 144                 generalTable.setCellSpacing(4);\r
 145 \r
 146                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 147                 // when the button is clicked and quits the application.\r
 148                 String okLabel;\r
 149                 if (create)\r
 150                         okLabel = "Create";\r
 151                 else\r
 152                         okLabel = "Update";\r
 153                 Button ok = new Button(okLabel, new ClickHandler() {\r
 154                         @Override\r
 155                         public void onClick(ClickEvent event) {\r
 156 \r
 157                                 createOrUpdateFolder();\r
 158 \r
 159                                 closeDialog();\r
 160                         }\r
 161                 });\r
 162                 buttons.add(ok);\r
 163                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 164                 // Create the 'Cancel' button, along with a listener that hides the\r
 165                 // dialog\r
 166                 // when the button is clicked.\r
 167                 Button cancel = new Button("Cancel", new ClickHandler() {\r
 168                         @Override\r
 169                         public void onClick(ClickEvent event) {\r
 170                                 closeDialog();\r
 171                         }\r
 172                 });\r
 173                 buttons.add(cancel);\r
 174                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 175                 buttons.setSpacing(8);\r
 176                 buttons.addStyleName("gss-TabPanelBottom");\r
 177 \r
 178                 Button add = new Button("Add Group", new ClickHandler() {\r
 179                         @Override\r
 180                         public void onClick(ClickEvent event) {\r
 181                                 PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, false);\r
 182                                 dlg.center();\r
 183                         }\r
 184                 });\r
 185                 permButtons.add(add);\r
 186                 permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 187 \r
 188                 Button addUser = new Button("Add User", new ClickHandler() {\r
 189                         @Override\r
 190                         public void onClick(ClickEvent event) {\r
 191                                 PermissionsAddDialog dlg = new PermissionsAddDialog(groups, permList, true);\r
 192                                 dlg.center();\r
 193                         }\r
 194                 });\r
 195                 permButtons.add(addUser);\r
 196                 permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 197 \r
 198                 permButtons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 199                 permButtons.setSpacing(8);\r
 200                 permButtons.addStyleName("gss-TabPanelBottom");\r
 201 \r
 202                 generalPanel.add(generalTable);\r
 203                 permPanel.add(permList);\r
 204                 permPanel.add(permButtons);\r
 205                 outer.add(inner);\r
 206                 outer.add(buttons);\r
 207                 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 208                 outer.addStyleName("gss-TabPanelBottom");\r
 209 \r
 210                 setWidget(outer);\r
 211 \r
 212                 /*if (create)\r
 213                         folderName.setFocus(true);\r
 214                 else\r
 215                         ok.setFocus(true);*/\r
 216         }\r
 217 \r
 218         @Override\r
 219         public void center() {\r
 220                 super.center();\r
 221                 folderName.setFocus(true);\r
 222         }\r
 223 \r
 224         @Override\r
 225         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 226                 super.onPreviewNativeEvent(preview);\r
 227 \r
 228                 NativeEvent evt = preview.getNativeEvent();\r
 229                 if (evt.getType().equals("keydown"))\r
 230                         // Use the popup's key preview hooks to close the dialog when either\r
 231                         // enter or escape is pressed.\r
 232                         switch (evt.getKeyCode()) {\r
 233                                 case KeyCodes.KEY_ENTER:\r
 234                                         closeDialog();\r
 235                                         createOrUpdateFolder();\r
 236                                         break;\r
 237                                 case KeyCodes.KEY_ESCAPE:\r
 238                                         closeDialog();\r
 239                                         break;\r
 240                         }\r
 241         }\r
 242 \r
 243 \r
 244         /**\r
 245          * Enables IE selection prevention and hides the dialog\r
 246          * (we disable the prevention on creation of the dialog)\r
 247          */\r
 248         public void closeDialog() {\r
 249                 GSS.preventIESelection();\r
 250                 hide();\r
 251         }\r
 252 \r
 253         /**\r
 254          * Generate an RPC request to create a new folder.\r
 255          *\r
 256          * @param userId the ID of the user whose namespace will be searched for\r
 257          *            folders\r
 258          * @param _folderName the name of the folder to create\r
 259          */\r
 260         private void createFolder() {\r
 261                 PostCommand ep = new PostCommand(folder.getUri() + "?new=" +\r
 262                                 URL.encodeComponent(folderName.getText()), "", 201) {\r
 263 \r
 264                         @Override\r
 265                         public void onComplete() {\r
 266                                 GSS.get().getFolders().updateFolder((DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 267                         }\r
 268 \r
 269                         @Override\r
 270                         public void onError(Throwable t) {\r
 271                                 GWT.log("", t);\r
 272                                 if(t instanceof RestException){\r
 273                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 274                                         if(statusCode == 405)\r
 275                                                 GSS.get().displayError("You don't have the necessary" +\r
 276                                                                 " permissions or a folder with same name " +\r
 277                                                                 "already exists");\r
 278                                         else if(statusCode == 404)\r
 279                                                 GSS.get().displayError("Resource not found");\r
 280                                         else\r
 281                                                 GSS.get().displayError("Unable to create folder:" +\r
 282                                                                 ((RestException)t).getHttpStatusText());\r
 283                                 }\r
 284                                 else\r
 285                                         GSS.get().displayError("System error creating folder:" +\r
 286                                                         t.getMessage());\r
 287                         }\r
 288                 };\r
 289                 DeferredCommand.addCommand(ep);\r
 290 \r
 291         }\r
 292 \r
 293         /**\r
 294          * Upon closing the dialog by clicking OK or pressing ENTER this method does\r
 295          * the actual work of modifying folder properties or creating a new Folder\r
 296          * depending on the value of the create field\r
 297          *\r
 298          * @param userId\r
 299          */\r
 300         private void createOrUpdateFolder() {\r
 301                 if (create)\r
 302                         createFolder();\r
 303                 else\r
 304                         updateFolder();\r
 305 \r
 306         }\r
 307 \r
 308         private void updateFolder() {\r
 309                 permList.updatePermissionsAccordingToInput();\r
 310                 Set<PermissionHolder> perms = permList.getPermissions();\r
 311                 JSONObject json = new JSONObject();\r
 312                 if(!folder.getName().equals(folderName.getText()))\r
 313                         json.put("name", new JSONString(folderName.getText()));\r
 314                 if (permList.hasChanges()) {\r
 315                         JSONArray perma = new JSONArray();\r
 316                         int i=0;\r
 317                         for(PermissionHolder p : perms){\r
 318                                 JSONObject po = new JSONObject();\r
 319                                 if(p.getUser() != null)\r
 320                                         po.put("user", new JSONString(p.getUser()));\r
 321                                 if(p.getGroup() != null)\r
 322                                         po.put("group", new JSONString(p.getGroup()));\r
 323                                 po.put("read", JSONBoolean.getInstance(p.isRead()));\r
 324                                 po.put("write", JSONBoolean.getInstance(p.isWrite()));\r
 325                                 po.put("modifyACL", JSONBoolean.getInstance(p.isModifyACL()));\r
 326                                 perma.set(i,po);\r
 327                                 i++;\r
 328                         }\r
 329                         json.put("permissions", perma);\r
 330                         GWT.log(json.toString(), null);\r
 331                 }\r
 332                 PostCommand ep = new PostCommand(folder.getUri()+"?update=", json.toString(), 200){\r
 333 \r
 334                         @Override\r
 335                         public void onComplete() {\r
 336                                 if(getPostBody() != null && !"".equals(getPostBody().trim())){\r
 337                                         DnDTreeItem folderItem = (DnDTreeItem) GSS.get().getFolders().getCurrent();\r
 338                                         FolderResource fres = folderItem.getFolderResource();\r
 339                                         String initialPath = fres.getUri();\r
 340                                         String newPath =  getPostBody().trim();\r
 341                                         fres.setUri(newPath);\r
 342 \r
 343                                         if(folderItem.getParentItem() != null && ((DnDTreeItem)folderItem.getParentItem()).getFolderResource() != null){\r
 344                                                 ((DnDTreeItem)folderItem.getParentItem()).getFolderResource().removeSubfolderPath(initialPath);\r
 345                                                 ((DnDTreeItem)folderItem.getParentItem()).getFolderResource().getSubfolderPaths().add(newPath);\r
 346                                         }\r
 347                                 }\r
 348                                 GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 349                                 GSS.get().showFileList(true);\r
 350                         }\r
 351 \r
 352                         @Override\r
 353                         public void onError(Throwable t) {\r
 354                                 GWT.log("", t);\r
 355                                 if(t instanceof RestException){\r
 356                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 357                                         if(statusCode == 405)\r
 358                                                 GSS.get().displayError("You don't have the necessary permissions or" +\r
 359                                                                 " a folder with same name already exists");\r
 360                                         else if(statusCode == 404)\r
 361                                                 GSS.get().displayError("Resource not found, or user specified in sharing does not exist");\r
 362                                         else\r
 363                                                 GSS.get().displayError("Unable to update folder: "+((RestException)t).getHttpStatusText());\r
 364                                 }\r
 365                                 else\r
 366                                         GSS.get().displayError("System error moifying file: "+t.getMessage());\r
 367                                 GSS.get().getFolders().updateFolder( (DnDTreeItem) GSS.get().getFolders().getCurrent());\r
 368                         }\r
 369                 };\r
 370                 DeferredCommand.addCommand(ep);\r
 371         }\r
 372 \r
 373         public void selectTab(int _tab) {\r
 374                 inner.selectTab(_tab);\r
 375         }\r
 376 \r
 377 }\r