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

   1 /*\r
   2  * Copyright 2011 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 com.google.gwt.core.client.Scheduler;\r
  38 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  39 import com.google.gwt.user.client.Command;\r
  40 import gr.grnet.pithos.web.client.foldertree.File;\r
  41 import gr.grnet.pithos.web.client.foldertree.Folder;\r
  42 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  43 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  44 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  45 import gr.grnet.pithos.web.client.rest.RestException;\r
  46 \r
  47 import com.google.gwt.core.client.GWT;\r
  48 import com.google.gwt.dom.client.NativeEvent;\r
  49 import com.google.gwt.event.dom.client.ClickEvent;\r
  50 import com.google.gwt.event.dom.client.ClickHandler;\r
  51 import com.google.gwt.event.dom.client.KeyCodes;\r
  52 import com.google.gwt.http.client.Response;\r
  53 import com.google.gwt.i18n.client.DateTimeFormat;\r
  54 import com.google.gwt.user.client.Event.NativePreviewEvent;\r
  55 import com.google.gwt.user.client.ui.Button;\r
  56 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  57 import com.google.gwt.user.client.ui.DialogBox;\r
  58 import com.google.gwt.user.client.ui.FlexTable;\r
  59 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  60 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  61 import com.google.gwt.user.client.ui.TabPanel;\r
  62 import com.google.gwt.user.client.ui.TextBox;\r
  63 import com.google.gwt.user.client.ui.VerticalPanel;\r
  64 import java.util.Iterator;\r
  65 import java.util.Map;\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         private 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         protected PermissionsList permList;\r
  86 \r
  87         final Folder folder;\r
  88 \r
  89         final TabPanel inner;\r
  90 \r
  91         /**\r
  92          * The widget's constructor.\r
  93          */\r
  94         public FolderPropertiesDialog(final Pithos app, boolean _create,  Folder selected) {\r
  95         this.app = app;\r
  96                 setAnimationEnabled(true);\r
  97 \r
  98                 // Enable IE selection for the dialog (must disable it upon closing it)\r
  99                 Pithos.enableIESelection();\r
 100 \r
 101                 create = _create;\r
 102                 \r
 103                 folder = selected;\r
 104 \r
 105                 // Use this opportunity to set the dialog's caption.\r
 106                 if (create)\r
 107                         setText("Create folder");\r
 108                 else\r
 109                         setText("Folder properties");\r
 110 \r
 111                 // Outer contains inner and buttons\r
 112                 VerticalPanel outer = new VerticalPanel();\r
 113                 // Inner contains generalPanel and permPanel\r
 114                 inner = new DecoratedTabPanel();\r
 115                 inner.setAnimationEnabled(true);\r
 116 \r
 117                 VerticalPanel generalPanel = new VerticalPanel();\r
 118         FlexTable generalTable = new FlexTable();\r
 119         generalTable.setText(0, 0, "Name");\r
 120         generalTable.setText(1, 0, "Parent");\r
 121         generalTable.setText(2, 0, "Creator");\r
 122         generalTable.setText(3, 0, "Last modified");\r
 123         folderName.setText(create ? "" : folder.getName());\r
 124         folderName.setReadOnly(folder.isContainer() && !create);\r
 125         generalTable.setWidget(0, 1, folderName);\r
 126 \r
 127         if (create)\r
 128             generalTable.setText(1, 1, folder.getName());\r
 129         else\r
 130             generalTable.setText(1, 1, folder.getPrefix());\r
 131         generalTable.setText(2, 1, "");\r
 132         DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 133         if(folder.getLastModified() != null)\r
 134             generalTable.setText(3, 1, formatter.format(folder.getLastModified()));\r
 135         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 136         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 137         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 138         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 139         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 140         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 141         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 142         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 143         generalTable.setCellSpacing(4);\r
 144         generalPanel.add(generalTable);\r
 145         inner.add(generalPanel, "General");\r
 146 \r
 147         VerticalPanel permPanel = new VerticalPanel();\r
 148         FilePropertiesDialog.Images images = GWT.create(FilePropertiesDialog.Images.class);\r
 149         boolean permsReadonly = folder.getInheritedPermissionsFrom() != null || folder.existChildrenPermissions();\r
 150         permList = new PermissionsList(images, folder.getPermissions(), folder.getOwner(), permsReadonly);\r
 151         permPanel.add(permList);\r
 152 \r
 153         if (!permsReadonly) {\r
 154             HorizontalPanel permButtons = new HorizontalPanel();\r
 155             Button add = new Button("Add Group", new ClickHandler() {\r
 156                 @Override\r
 157                 public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 158                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, false);\r
 159                     dlg.center();\r
 160                 }\r
 161             });\r
 162             permButtons.add(add);\r
 163             permButtons.setCellHorizontalAlignment(add, HasHorizontalAlignment.ALIGN_CENTER);\r
 164 \r
 165             Button addUser = new Button("Add User", new ClickHandler() {\r
 166                 @Override\r
 167                 public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 168                     PermissionsAddDialog dlg = new PermissionsAddDialog(app, app.getAccount().getGroups(), permList, true);\r
 169                     dlg.center();\r
 170                 }\r
 171             });\r
 172             addUser.getElement().setId("folderPropertiesDialog.button.addUser");\r
 173             permButtons.add(addUser);\r
 174             permButtons.setCellHorizontalAlignment(addUser, HasHorizontalAlignment.ALIGN_CENTER);\r
 175             permButtons.setSpacing(8);\r
 176             permButtons.addStyleName("gss-TabPanelBottom");\r
 177             permPanel.add(permButtons);\r
 178         }\r
 179 \r
 180         if (!create)\r
 181             inner.add(permPanel, "Sharing");\r
 182         inner.selectTab(0);\r
 183 \r
 184         outer.add(inner);\r
 185 \r
 186         HorizontalPanel buttons = new HorizontalPanel();\r
 187                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 188                 // when the button is clicked and quits the application.\r
 189                 String okLabel;\r
 190                 if (create)\r
 191                         okLabel = "Create";\r
 192                 else\r
 193                         okLabel = "Update";\r
 194                 Button ok = new Button(okLabel, new ClickHandler() {\r
 195                         @Override\r
 196                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 197                                 createOrUpdateFolder();\r
 198                                 closeDialog();\r
 199                         }\r
 200                 });\r
 201                 buttons.add(ok);\r
 202                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 203                 // Create the 'Cancel' button, along with a listener that hides the\r
 204                 // dialog\r
 205                 // when the button is clicked.\r
 206                 Button cancel = new Button("Cancel", new ClickHandler() {\r
 207                         @Override\r
 208                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 209                                 closeDialog();\r
 210                         }\r
 211                 });\r
 212                 buttons.add(cancel);\r
 213                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 214                 buttons.setSpacing(8);\r
 215                 buttons.addStyleName("pithos-TabPanelBottom");\r
 216         outer.add(buttons);\r
 217         outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 218         outer.addStyleName("pithos-TabPanelBottom");\r
 219 \r
 220         setWidget(outer);\r
 221         }\r
 222 \r
 223         @Override\r
 224         public void center() {\r
 225                 super.center();\r
 226                 folderName.setFocus(true);\r
 227         }\r
 228 \r
 229         @Override\r
 230         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 231                 super.onPreviewNativeEvent(preview);\r
 232 \r
 233                 NativeEvent evt = preview.getNativeEvent();\r
 234                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 235                         // Use the popup's key preview hooks to close the dialog when either\r
 236                         // enter or escape is pressed.\r
 237                         switch (evt.getKeyCode()) {\r
 238                                 case KeyCodes.KEY_ENTER:\r
 239                                         createOrUpdateFolder();\r
 240                     closeDialog();\r
 241                                         break;\r
 242                                 case KeyCodes.KEY_ESCAPE:\r
 243                                         closeDialog();\r
 244                                         break;\r
 245                         }\r
 246         }\r
 247 \r
 248 \r
 249         /**\r
 250          * Enables IE selection prevention and hides the dialog\r
 251          * (we disable the prevention on creation of the dialog)\r
 252          */\r
 253         public void closeDialog() {\r
 254                 Pithos.preventIESelection();\r
 255                 hide();\r
 256         }\r
 257 \r
 258         /**\r
 259          * Generate an RPC request to create a new folder.\r
 260          */\r
 261         private void createFolder() {\r
 262                 String name = folderName.getText();\r
 263         String path = folder.getUri() + "/" + name;\r
 264         PutRequest createFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path) {\r
 265             @Override\r
 266             public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 267                 app.updateFolder(folder, true, new Command() {\r
 268                                         \r
 269                                         @Override\r
 270                                         public void execute() {\r
 271                                                 app.updateStatistics();\r
 272                                         }\r
 273                                 });\r
 274             }\r
 275 \r
 276             @Override\r
 277             public void onError(Throwable t) {\r
 278                                 GWT.log("", t);\r
 279                                 if (t instanceof RestException) {\r
 280                                         app.displayError("Unable to create folder:" + ((RestException) t).getHttpStatusText());\r
 281                                 }\r
 282                                 else\r
 283                                         app.displayError("System error creating folder:" + t.getMessage());\r
 284             }\r
 285         };\r
 286         createFolder.setHeader("X-Auth-Token", app.getToken());\r
 287         createFolder.setHeader("Accept", "*/*");\r
 288         createFolder.setHeader("Content-Length", "0");\r
 289         createFolder.setHeader("Content-Type", "application/folder");\r
 290         Scheduler.get().scheduleDeferred(createFolder);\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         protected void createOrUpdateFolder() {\r
 299                 if (create)\r
 300                         createFolder();\r
 301                 else\r
 302                         updateFolder();\r
 303 \r
 304         }\r
 305 \r
 306         private void updateFolder() {\r
 307         final Map<String, Boolean[]> perms = (permList.hasChanges() ? permList.getPermissions() : null);\r
 308         final String newName = folderName.getText().trim();\r
 309         if (!folder.isContainer() && !folder.getName().equals(newName)) {\r
 310             final String path = folder.getParent().getUri() + "/" + newName;\r
 311             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getParent().getOwner(), path) {\r
 312                 @Override\r
 313                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 314                     Iterator<File> iter = folder.getFiles().iterator();\r
 315                     app.copyFiles(iter, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 316                         @Override\r
 317                         public void execute() {\r
 318                             Iterator<Folder> iterf = folder.getSubfolders().iterator();\r
 319                             app.copySubfolders(iterf, folder.getParent().getOwner(), folder.getParent().getUri() + "/" + newName, new Command() {\r
 320                                 @Override\r
 321                                 public void execute() {\r
 322                                     app.deleteFolder(folder);\r
 323                                     updateMetadata(path + "?update=", perms);\r
 324                                 }\r
 325                             });\r
 326                         }\r
 327                     });\r
 328                 }\r
 329 \r
 330                 @Override\r
 331                 public void onError(Throwable t) {\r
 332                     GWT.log("", t);\r
 333                     if(t instanceof RestException){\r
 334                         app.displayError("Unable to update folder: " + ((RestException) t).getHttpStatusText());\r
 335                     }\r
 336                     else\r
 337                         app.displayError("System error modifying folder: " + t.getMessage());\r
 338                 }\r
 339             };\r
 340             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 341             newFolder.setHeader("Content-Type", "application/folder");\r
 342             newFolder.setHeader("Accept", "*/*");\r
 343             newFolder.setHeader("Content-Length", "0");\r
 344             Scheduler.get().scheduleDeferred(newFolder);\r
 345         }\r
 346         else\r
 347             updateMetadata(folder.getUri() + "?update=", perms);\r
 348         }\r
 349 \r
 350         protected void updateMetadata(final String path, final Map<String, Boolean[]> newPermissions) {\r
 351         if (newPermissions != null) {\r
 352             PostRequest updateFolder = new PostRequest(app.getApiPath(), folder.getOwner(), path) {\r
 353                 @Override\r
 354                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 355                     app.updateFolder(folder.getParent(), false, null);\r
 356                 }\r
 357 \r
 358                 @Override\r
 359                 public void onError(Throwable t) {\r
 360                     GWT.log("", t);\r
 361                     if (t instanceof RestException) {\r
 362                         if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) { //Probably a virtual folder\r
 363                             final String path1 = folder.getUri();\r
 364                             PutRequest newFolder = new PutRequest(app.getApiPath(), folder.getOwner(), path1) {\r
 365                                 @Override\r
 366                                 public void onSuccess(@SuppressWarnings("unused") Resource result) {\r
 367                                         updateMetadata(path, newPermissions);\r
 368                                 }\r
 369 \r
 370                                 @Override\r
 371                                 public void onError(Throwable _t) {\r
 372                                     GWT.log("", _t);\r
 373                                     if(_t instanceof RestException){\r
 374                                         app.displayError("Unable to update folder: " + ((RestException) _t).getHttpStatusText());\r
 375                                     }\r
 376                                     else\r
 377                                         app.displayError("System error modifying folder: " + _t.getMessage());\r
 378                                 }\r
 379                             };\r
 380                             newFolder.setHeader("X-Auth-Token", app.getToken());\r
 381                             newFolder.setHeader("Content-Type", "application/folder");\r
 382                             newFolder.setHeader("Accept", "*/*");\r
 383                             newFolder.setHeader("Content-Length", "0");\r
 384                             Scheduler.get().scheduleDeferred(newFolder);\r
 385                         }\r
 386                     }\r
 387                     else\r
 388                         app.displayError("System error modifying folder: " + t.getMessage());\r
 389                 }\r
 390             };\r
 391             updateFolder.setHeader("X-Auth-Token", app.getToken());\r
 392             String readPermHeader = "read=";\r
 393             String writePermHeader = "write=";\r
 394             for (String u : newPermissions.keySet()) {\r
 395                 Boolean[] p = newPermissions.get(u);\r
 396                 if (p[0] != null && p[0])\r
 397                     readPermHeader += u + ",";\r
 398                 if (p[1] != null && p[1])\r
 399                     writePermHeader += u + ",";\r
 400             }\r
 401             if (readPermHeader.endsWith("="))\r
 402                 readPermHeader = "";\r
 403             else if (readPermHeader.endsWith(","))\r
 404                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 405             if (writePermHeader.endsWith("="))\r
 406                 writePermHeader = "";\r
 407             else if (writePermHeader.endsWith(","))\r
 408                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 409             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 410             if (permHeader.length() == 0)\r
 411                 permHeader="~";\r
 412             updateFolder.setHeader("X-Object-Sharing", permHeader);\r
 413             Scheduler.get().scheduleDeferred(updateFolder);\r
 414         }\r
 415         else\r
 416             app.updateFolder(folder.getParent(), false, null);\r
 417     }\r
 418 \r
 419         public void selectTab(int _tab) {\r
 420                 inner.selectTab(_tab);\r
 421         }\r
 422 }\r