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

   1 /*\r
   2  * Copyright 2011-2012 GRNET S.A. All rights reserved.\r
   3  *\r
   4  * Redistribution and use in source and binary forms, with or\r
   5  * without modification, are permitted provided that the following\r
   6  * conditions are met:\r
   7  *\r
   8  *   1. Redistributions of source code must retain the above\r
   9  *      copyright notice, this list of conditions and the following\r
  10  *      disclaimer.\r
  11  *\r
  12  *   2. Redistributions in binary form must reproduce the above\r
  13  *      copyright notice, this list of conditions and the following\r
  14  *      disclaimer in the documentation and/or other materials\r
  15  *      provided with the distribution.\r
  16  *\r
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS\r
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR\r
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\r
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF\r
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED\r
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN\r
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
  28  * POSSIBILITY OF SUCH DAMAGE.\r
  29  *\r
  30  * The views and conclusions contained in the software and\r
  31  * documentation are those of the authors and should not be\r
  32  * interpreted as representing official policies, either expressed\r
  33  * or implied, of GRNET S.A.\r
  34  */\r
  35 package gr.grnet.pithos.web.client;\r
  36 \r
  37 import gr.grnet.pithos.web.client.foldertree.File;\r
  38 import gr.grnet.pithos.web.client.foldertree.Folder;\r
  39 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  40 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  41 import gr.grnet.pithos.web.client.rest.RestException;\r
  42 \r
  43 import java.util.Iterator;\r
  44 \r
  45 import com.google.gwt.core.client.GWT;\r
  46 import com.google.gwt.core.client.Scheduler;\r
  47 import com.google.gwt.dom.client.NativeEvent;\r
  48 import com.google.gwt.event.dom.client.ChangeEvent;\r
  49 import com.google.gwt.event.dom.client.ChangeHandler;\r
  50 import com.google.gwt.event.dom.client.ClickEvent;\r
  51 import com.google.gwt.event.dom.client.ClickHandler;\r
  52 import com.google.gwt.event.dom.client.KeyCodes;\r
  53 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  54 import com.google.gwt.http.client.Response;\r
  55 import com.google.gwt.i18n.client.DateTimeFormat;\r
  56 import com.google.gwt.user.client.Command;\r
  57 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  58 import com.google.gwt.user.client.ui.Anchor;\r
  59 import com.google.gwt.user.client.ui.Button;\r
  60 import com.google.gwt.user.client.ui.DialogBox;\r
  61 import com.google.gwt.user.client.ui.FlexTable;\r
  62 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  63 import com.google.gwt.user.client.ui.Label;\r
  64 import com.google.gwt.user.client.ui.TextBox;\r
  65 import com.google.gwt.user.client.ui.VerticalPanel;\r
  66 \r
  67 /**\r
  68  * The 'Folder properties' dialog box implementation.\r
  69  */\r
  70 public class FolderPropertiesDialog extends DialogBox {\r
  71 \r
  72     protected Pithos app;\r
  73 \r
  74         /**\r
  75          * The widget that holds the folderName of the folder.\r
  76          */\r
  77         TextBox folderName = new TextBox();\r
  78 \r
  79         /**\r
  80          * A flag that denotes whether the dialog will be used to create or modify a\r
  81          * folder.\r
  82          */\r
  83         private final boolean create;\r
  84 \r
  85         final Folder folder;\r
  86 \r
  87         final VerticalPanel inner;\r
  88 \r
  89         /**\r
  90          * The widget's constructor.\r
  91          */\r
  92         public FolderPropertiesDialog(final Pithos app, boolean _create,  Folder selected) {\r
  93         this.app = app;\r
  94                 Anchor close = new Anchor("close");\r
  95                 close.addStyleName("close");\r
  96                 close.addClickHandler(new ClickHandler() {\r
  97                         \r
  98                         @Override\r
  99                         public void onClick(ClickEvent event) {\r
 100                                 hide();\r
 101                         }\r
 102                 });\r
 103 \r
 104                 setAnimationEnabled(true);\r
 105                 setGlassEnabled(true);\r
 106                 setStyleName("pithos-DialogBox");\r
 107 \r
 108                 // Enable IE selection for the dialog (must disable it upon closing it)\r
 109                 Pithos.enableIESelection();\r
 110 \r
 111                 create = _create;\r
 112                 \r
 113                 folder = selected;\r
 114 \r
 115                 // Use this opportunity to set the dialog's caption.\r
 116                 if (create)\r
 117                         setText("Create folder");\r
 118                 else\r
 119                         setText("Folder properties");\r
 120 \r
 121                 // Outer contains inner and buttons\r
 122                 VerticalPanel outer = new VerticalPanel();\r
 123                 outer.add(close);\r
 124                 // Inner contains generalPanel and permPanel\r
 125                 inner = new VerticalPanel();\r
 126                 inner.addStyleName("inner");\r
 127 \r
 128                 VerticalPanel generalPanel = new VerticalPanel();\r
 129         FlexTable generalTable = new FlexTable();\r
 130         generalTable.setText(0, 0, "Name");\r
 131         generalTable.setText(1, 0, "Parent");\r
 132         generalTable.setText(2, 0, "Creator");\r
 133         generalTable.setText(3, 0, "Last modified");\r
 134 \r
 135                 folderName.setText(create ? "" : folder.getName());\r
 136         folderName.setReadOnly(folder.isContainer() && !create);\r
 137         generalTable.setWidget(0, 1, folderName);\r
 138 \r
 139         final Label folderNameNote = new Label("Please note that slashes ('/') are not allowed in folder names.", true);\r
 140                 folderNameNote.setVisible(false);\r
 141                 folderNameNote.setStylePrimaryName("gss-readForAllNote");\r
 142                 generalTable.setWidget(0, 2, folderNameNote);\r
 143                 \r
 144         if (create)\r
 145             generalTable.setText(1, 1, folder.getName());\r
 146         else\r
 147             generalTable.setText(1, 1, folder.getParent().getName());\r
 148         if (create)\r
 149                 generalTable.setText(2, 1, app.getUsername());\r
 150         else\r
 151                 generalTable.setText(2, 1, folder.getOwner());\r
 152         DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 153         if(folder.getLastModified() != null)\r
 154             generalTable.setText(3, 1, formatter.format(folder.getLastModified()));\r
 155         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 156         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 157         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 158         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 159         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 160         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 161         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 162         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 163         generalTable.setCellSpacing(4);\r
 164         generalPanel.add(generalTable);\r
 165         inner.add(generalPanel);\r
 166 \r
 167         outer.add(inner);\r
 168 \r
 169                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 170                 // when the button is clicked and quits the application.\r
 171                 String okLabel;\r
 172                 if (create)\r
 173                         okLabel = "Create";\r
 174                 else\r
 175                         okLabel = "Update";\r
 176                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 177                         @Override\r
 178                         public void onClick(ClickEvent event) {\r
 179                                 createOrUpdateFolder();\r
 180                                 closeDialog();\r
 181                         }\r
 182                 });\r
 183                 ok.addStyleName("button");\r
 184                 outer.add(ok);\r
 185         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 186 \r
 187         folderName.addChangeHandler(new ChangeHandler() {\r
 188                         \r
 189                         @Override\r
 190                         public void onChange(ChangeEvent event) {\r
 191                                 if(folderName.getText().contains("/")) {\r
 192                                         folderNameNote.setVisible(true);\r
 193                                         ok.setEnabled(false);\r
 194                                 }\r
 195                                 else {\r
 196                                         folderNameNote.setVisible(false);\r
 197                                         ok.setEnabled(true);\r
 198                                 }\r
 199                         }\r
 200                 });\r
 201 \r
 202         setWidget(outer);\r
 203         }\r
 204 \r
 205         @Override\r
 206         public void center() {\r
 207                 super.center();\r
 208                 folderName.setFocus(true);\r
 209         }\r
 210 \r
 211         @Override\r
 212         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 213                 super.onPreviewNativeEvent(preview);\r
 214 \r
 215                 NativeEvent evt = preview.getNativeEvent();\r
 216                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 217                         // Use the popup's key preview hooks to close the dialog when either\r
 218                         // enter or escape is pressed.\r
 219                         switch (evt.getKeyCode()) {\r
 220                                 case KeyCodes.KEY_ENTER:\r
 221                                         createOrUpdateFolder();\r
 222                     closeDialog();\r
 223                                         break;\r
 224                                 case KeyCodes.KEY_ESCAPE:\r
 225                                         closeDialog();\r
 226                                         break;\r
 227                         }\r
 228         }\r
 229 \r
 230 \r
 231         /**\r
 232          * Enables IE selection prevention and hides the dialog\r
 233          * (we disable the prevention on creation of the dialog)\r
 234          */\r
 235         public void closeDialog() {\r
 236                 Pithos.preventIESelection();\r
 237                 hide();\r
 238         }\r
 239 \r
 240         /**\r
 241          * Generate an RPC request to create a new folder.\r
 242          */\r
 243         private void createFolder() {\r
 244                 String name = folderName.getText().trim();\r
 245                 if (name.length() == 0)\r
 246                         return;\r
 247         String path = folder.getUri() + "/" + name;\r
 248         PutRequest createFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path) {\r
 249             @Override\r
 250             public void onSuccess(Resource result) {\r
 251                 app.updateFolder(folder, true, new Command() {\r
 252                                         \r
 253                                         @Override\r
 254                                         public void execute() {\r
 255                                                 app.updateStatistics();\r
 256                                         }\r
 257                                 }, true);\r
 258             }\r
 259 \r
 260             @Override\r
 261             public void onError(Throwable t) {\r
 262                                 GWT.log("", t);\r
 263                                 app.setError(t);\r
 264                                 if (t instanceof RestException) {\r
 265                                         app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());\r
 266                                 }\r
 267                                 else\r
 268                                         app.displayError("System error creating folder:" + t.getMessage());\r
 269             }\r
 270 \r
 271                         @Override\r
 272                         protected void onUnauthorized(Response response) {\r
 273                                 app.sessionExpired();\r
 274                         }\r
 275        };\r
 276         createFolder.setHeader("X-Auth-Token", app.getToken());\r
 277         createFolder.setHeader("Accept", "*/*");\r
 278         createFolder.setHeader("Content-Length", "0");\r
 279         createFolder.setHeader("Content-Type", "application/directory");\r
 280         Scheduler.get().scheduleDeferred(createFolder);\r
 281         }\r
 282 \r
 283         /**\r
 284          * Upon closing the dialog by clicking OK or pressing ENTER this method does\r
 285          * the actual work of modifying folder properties or creating a new Folder\r
 286          * depending on the value of the create field\r
 287          */\r
 288         protected void createOrUpdateFolder() {\r
 289                 if (create)\r
 290                         createFolder();\r
 291                 else\r
 292                         updateFolder();\r
 293 \r
 294         }\r
 295 \r
 296         private void updateFolder() {\r
 297         final String newName = folderName.getText().trim();\r
 298         if (newName.length() == 0)\r
 299                 return;\r
 300         if (!folder.isContainer() && !folder.getName().equals(newName)) {\r
 301             final String path = folder.getParent().getUri() + "/" + newName;\r
 302             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getParent().getOwner(), path) {\r
 303                 @Override\r
 304                 public void onSuccess(Resource result) {\r
 305                     Iterator<File> iter = folder.getFiles().iterator();\r
 306                     app.copyFiles(iter, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 307                         @Override\r
 308                         public void execute() {\r
 309                             Iterator<Folder> iterf = folder.getSubfolders().iterator();\r
 310                             app.copySubfolders(iterf, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 311                                 @Override\r
 312                                 public void execute() {\r
 313                                     app.deleteFolder(folder, new Command() {\r
 314                                                                                 \r
 315                                                                                 @Override\r
 316                                                                                 public void execute() {\r
 317                                                     app.updateFolder(folder.getParent(), false, new Command() {\r
 318                                                                 \r
 319                                                                 @Override\r
 320                                                                 public void execute() {\r
 321                                                                         app.updateMySharedRoot();\r
 322                                                                 }\r
 323                                                         }, true);\r
 324                                                                                 }\r
 325                                                                         });\r
 326                                 }\r
 327                             });\r
 328                         }\r
 329                     });\r
 330                 }\r
 331 \r
 332                 @Override\r
 333                 public void onError(Throwable t) {\r
 334                     GWT.log("", t);\r
 335                                         app.setError(t);\r
 336                     if(t instanceof RestException){\r
 337                         app.displayError("Unable to update folder: " + ((RestException) t).getHttpStatusText());\r
 338                     }\r
 339                     else\r
 340                         app.displayError("System error modifying folder: " + t.getMessage());\r
 341                 }\r
 342 \r
 343                                 @Override\r
 344                                 protected void onUnauthorized(Response response) {\r
 345                                         app.sessionExpired();\r
 346                                 }\r
 347             };\r
 348             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 349             newFolder.setHeader("Content-Type", "application/folder");\r
 350             newFolder.setHeader("Accept", "*/*");\r
 351             newFolder.setHeader("Content-Length", "0");\r
 352             Scheduler.get().scheduleDeferred(newFolder);\r
 353         }\r
 354         else\r
 355             app.updateFolder(folder.getParent(), false, new Command() {\r
 356                         \r
 357                         @Override\r
 358                         public void execute() {\r
 359                                 app.updateMySharedRoot();\r
 360                         }\r
 361                 }, true);\r
 362         }\r
 363 }\r