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.Folder;\r
  38 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  39 import gr.grnet.pithos.web.client.rest.RestException;\r
  40 \r
  41 import com.google.gwt.core.client.GWT;\r
  42 import com.google.gwt.core.client.Scheduler;\r
  43 import com.google.gwt.dom.client.NativeEvent;\r
  44 import com.google.gwt.event.dom.client.ChangeEvent;\r
  45 import com.google.gwt.event.dom.client.ChangeHandler;\r
  46 import com.google.gwt.event.dom.client.ClickEvent;\r
  47 import com.google.gwt.event.dom.client.ClickHandler;\r
  48 import com.google.gwt.event.dom.client.KeyCodes;\r
  49 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  50 import com.google.gwt.http.client.Response;\r
  51 import com.google.gwt.i18n.client.DateTimeFormat;\r
  52 import com.google.gwt.user.client.Command;\r
  53 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  54 import com.google.gwt.user.client.ui.Anchor;\r
  55 import com.google.gwt.user.client.ui.Button;\r
  56 import com.google.gwt.user.client.ui.DialogBox;\r
  57 import com.google.gwt.user.client.ui.FlexTable;\r
  58 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  59 import com.google.gwt.user.client.ui.Label;\r
  60 import com.google.gwt.user.client.ui.TextBox;\r
  61 import com.google.gwt.user.client.ui.VerticalPanel;\r
  62 \r
  63 /**\r
  64  * The 'Folder properties' dialog box implementation.\r
  65  */\r
  66 public class FolderPropertiesDialog extends DialogBox {\r
  67 \r
  68     protected Pithos app;\r
  69 \r
  70         /**\r
  71          * The widget that holds the folderName of the folder.\r
  72          */\r
  73         TextBox folderName = new TextBox();\r
  74 \r
  75         /**\r
  76          * A flag that denotes whether the dialog will be used to create or modify a\r
  77          * folder.\r
  78          */\r
  79         private final boolean create;\r
  80 \r
  81         final Folder folder;\r
  82 \r
  83         final VerticalPanel inner;\r
  84 \r
  85         /**\r
  86          * The widget's constructor.\r
  87          */\r
  88         public FolderPropertiesDialog(final Pithos app, boolean _create,  Folder selected) {\r
  89         this.app = app;\r
  90                 Anchor close = new Anchor("close");\r
  91                 close.addStyleName("close");\r
  92                 close.addClickHandler(new ClickHandler() {\r
  93                         \r
  94                         @Override\r
  95                         public void onClick(ClickEvent event) {\r
  96                                 hide();\r
  97                         }\r
  98                 });\r
  99 \r
 100                 setGlassEnabled(true);\r
 101                 setStyleName("pithos-DialogBox");\r
 102 \r
 103                 // Enable IE selection for the dialog (must disable it upon closing it)\r
 104                 Pithos.enableIESelection();\r
 105 \r
 106                 create = _create;\r
 107                 \r
 108                 folder = selected;\r
 109 \r
 110                 // Use this opportunity to set the dialog's caption.\r
 111                 if (create)\r
 112                         setText("Create folder");\r
 113                 else\r
 114                         setText("Folder properties");\r
 115 \r
 116                 // Outer contains inner and buttons\r
 117                 VerticalPanel outer = new VerticalPanel();\r
 118                 outer.add(close);\r
 119                 // Inner contains generalPanel and permPanel\r
 120                 inner = new VerticalPanel();\r
 121                 inner.addStyleName("inner");\r
 122 \r
 123                 VerticalPanel generalPanel = new VerticalPanel();\r
 124         FlexTable generalTable = new FlexTable();\r
 125         generalTable.setText(0, 0, "Name");\r
 126         generalTable.setText(1, 0, "Parent");\r
 127         generalTable.setText(2, 0, "Creator");\r
 128         generalTable.setText(3, 0, "Last modified");\r
 129 \r
 130                 folderName.setText(create ? "" : folder.getName());\r
 131         folderName.setReadOnly(folder.isContainer() && !create);\r
 132         generalTable.setWidget(0, 1, folderName);\r
 133 \r
 134         final Label folderNameNote = new Label("Please note that slashes ('/') are not allowed in folder names.", true);\r
 135                 folderNameNote.setVisible(false);\r
 136                 folderNameNote.setStylePrimaryName("gss-readForAllNote");\r
 137                 generalTable.setWidget(0, 2, folderNameNote);\r
 138                 \r
 139         if (create)\r
 140             generalTable.setText(1, 1, folder.getName());\r
 141         else\r
 142             generalTable.setText(1, 1, folder.getParent().getName());\r
 143         if (create)\r
 144                 generalTable.setText(2, 1, app.getCurrentUserDisplayNameOrID());\r
 145         else\r
 146                 generalTable.setText(2, 1, folder.getOwner());\r
 147         DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 148         if(folder.getLastModified() != null)\r
 149             generalTable.setText(3, 1, formatter.format(folder.getLastModified()));\r
 150         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 151         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 152         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 153         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 154         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 155         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 156         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 157         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 158         generalTable.setCellSpacing(4);\r
 159         generalPanel.add(generalTable);\r
 160         inner.add(generalPanel);\r
 161 \r
 162         outer.add(inner);\r
 163 \r
 164                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 165                 // when the button is clicked and quits the application.\r
 166                 String okLabel;\r
 167                 if (create)\r
 168                         okLabel = "Create";\r
 169                 else\r
 170                         okLabel = "Update";\r
 171                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 172                         @Override\r
 173                         public void onClick(ClickEvent event) {\r
 174                                 createOrUpdateFolder();\r
 175                                 closeDialog();\r
 176                         }\r
 177                 });\r
 178                 ok.addStyleName("button");\r
 179                 outer.add(ok);\r
 180         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 181 \r
 182         folderName.addChangeHandler(new ChangeHandler() {\r
 183                         \r
 184                         @Override\r
 185                         public void onChange(ChangeEvent event) {\r
 186                                 if(folderName.getText().contains("/")) {\r
 187                                         folderNameNote.setVisible(true);\r
 188                                         ok.setEnabled(false);\r
 189                                 }\r
 190                                 else {\r
 191                                         folderNameNote.setVisible(false);\r
 192                                         ok.setEnabled(true);\r
 193                                 }\r
 194                         }\r
 195                 });\r
 196 \r
 197         setWidget(outer);\r
 198         }\r
 199 \r
 200         @Override\r
 201         public void center() {\r
 202                 super.center();\r
 203                 folderName.setFocus(true);\r
 204         }\r
 205 \r
 206         @Override\r
 207         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 208                 super.onPreviewNativeEvent(preview);\r
 209 \r
 210                 NativeEvent evt = preview.getNativeEvent();\r
 211                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 212                         // Use the popup's key preview hooks to close the dialog when either\r
 213                         // enter or escape is pressed.\r
 214                         switch (evt.getKeyCode()) {\r
 215                                 case KeyCodes.KEY_ENTER:\r
 216                                         createOrUpdateFolder();\r
 217                     closeDialog();\r
 218                                         break;\r
 219                                 case KeyCodes.KEY_ESCAPE:\r
 220                                         closeDialog();\r
 221                                         break;\r
 222                         }\r
 223         }\r
 224 \r
 225 \r
 226         /**\r
 227          * Enables IE selection prevention and hides the dialog\r
 228          * (we disable the prevention on creation of the dialog)\r
 229          */\r
 230         public void closeDialog() {\r
 231                 Pithos.preventIESelection();\r
 232                 hide();\r
 233         }\r
 234 \r
 235         /**\r
 236          * Generate an RPC request to create a new folder.\r
 237          */\r
 238         private void createFolder() {\r
 239                 String name = folderName.getText().trim();\r
 240                 if (name.length() == 0)\r
 241                         return;\r
 242         String path = folder.getUri() + "/" + name;\r
 243         PutRequest createFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path) {\r
 244             @Override\r
 245             public void onSuccess(Resource result) {\r
 246                 app.updateFolder(folder, true, new Command() {\r
 247                                         \r
 248                                         @Override\r
 249                                         public void execute() {\r
 250                                                 app.updateStatistics();\r
 251                                         }\r
 252                                 }, true);\r
 253             }\r
 254 \r
 255             @Override\r
 256             public void onError(Throwable t) {\r
 257                                 GWT.log("", t);\r
 258                                 app.setError(t);\r
 259                                 if (t instanceof RestException) {\r
 260                                         app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());\r
 261                                 }\r
 262                                 else\r
 263                                         app.displayError("System error creating folder:" + t.getMessage());\r
 264             }\r
 265 \r
 266                         @Override\r
 267                         protected void onUnauthorized(Response response) {\r
 268                                 app.sessionExpired();\r
 269                         }\r
 270        };\r
 271         createFolder.setHeader("X-Auth-Token", app.getUserToken());\r
 272         createFolder.setHeader("Accept", "*/*");\r
 273         createFolder.setHeader("Content-Length", "0");\r
 274         createFolder.setHeader("Content-Type", "application/directory");\r
 275         Scheduler.get().scheduleDeferred(createFolder);\r
 276         }\r
 277 \r
 278         /**\r
 279          * Upon closing the dialog by clicking OK or pressing ENTER this method does\r
 280          * the actual work of modifying folder properties or creating a new Folder\r
 281          * depending on the value of the create field\r
 282          */\r
 283         protected void createOrUpdateFolder() {\r
 284                 if (create)\r
 285                         createFolder();\r
 286                 else\r
 287                         updateFolder();\r
 288 \r
 289         }\r
 290 \r
 291         private void updateFolder() {\r
 292         final String newName = folderName.getText().trim();\r
 293         if (newName.length() == 0)\r
 294                 return;\r
 295         if (!folder.isContainer() && !folder.getName().equals(newName)) {\r
 296             final String path = folder.getParent().getUri() + "/" + newName;\r
 297             app.copyFolder(folder, folder.getOwner(), path, true, new Command() {\r
 298                                 \r
 299                                 @Override\r
 300                                 public void execute() {\r
 301                     app.updateFolder(folder.getParent(), false, new Command() {\r
 302                                 \r
 303                                 @Override\r
 304                                 public void execute() {\r
 305                                         app.updateMySharedRoot();\r
 306                                 }\r
 307                         }, true);\r
 308                                 }\r
 309                         });\r
 310         }\r
 311         else\r
 312             app.updateFolder(folder.getParent(), false, new Command() {\r
 313                         \r
 314                         @Override\r
 315                         public void execute() {\r
 316                                 app.updateMySharedRoot();\r
 317                         }\r
 318                 }, true);\r
 319         }\r
 320 }\r