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