code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FilePropertiesDialog.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.Resource;\r
  39 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  40 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  41 \r
  42 import java.util.HashMap;\r
  43 import java.util.Map;\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.event.dom.client.ClickEvent;\r
  48 import com.google.gwt.event.dom.client.ClickHandler;\r
  49 import com.google.gwt.http.client.Response;\r
  50 import com.google.gwt.http.client.URL;\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.ui.Anchor;\r
  54 import com.google.gwt.user.client.ui.Button;\r
  55 import com.google.gwt.user.client.ui.FlexTable;\r
  56 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  57 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  58 import com.google.gwt.user.client.ui.Image;\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 'File properties' dialog box implementation.\r
  65  *\r
  66  */\r
  67 public class FilePropertiesDialog extends AbstractPropertiesDialog {\r
  68 \r
  69         /**\r
  70          * The widget that holds the name of the file.\r
  71          */\r
  72         private TextBox name = new TextBox();\r
  73 \r
  74         final File file;\r
  75 \r
  76     FlexTable metaTable;\r
  77         /**\r
  78          * The widget's constructor.\r
  79          */\r
  80         public FilePropertiesDialog(Pithos _app, File _file) {\r
  81         super(_app);\r
  82         file = _file;\r
  83 \r
  84                 Anchor close = new Anchor();\r
  85                 close.addStyleName("close");\r
  86                 close.addClickHandler(new ClickHandler() {\r
  87                         \r
  88                         @Override\r
  89                         public void onClick(ClickEvent event) {\r
  90                                 hide();\r
  91                         }\r
  92                 });\r
  93                 // Set the dialog's caption.\r
  94                 setText("File properties");\r
  95                 setAnimationEnabled(true);\r
  96                 setGlassEnabled(true);\r
  97                 setStyleName("pithos-DialogBox");\r
  98 \r
  99                 // Outer contains inner and buttons.\r
 100                 final VerticalPanel outer = new VerticalPanel();\r
 101                 outer.add(close);\r
 102                 // Inner contains generalPanel and permPanel.\r
 103                 inner = new VerticalPanel();\r
 104                 inner.addStyleName("inner");\r
 105 \r
 106         inner.add(createGeneralPanel());\r
 107 \r
 108         outer.add(inner);\r
 109 \r
 110                 // Create the 'OK' button, along with a listener that hides the dialog\r
 111                 // when the button is clicked.\r
 112                 final Button ok = new Button("OK", new ClickHandler() {\r
 113                         @Override\r
 114                         public void onClick(ClickEvent event) {\r
 115                                 accept();\r
 116                                 closeDialog();\r
 117                         }\r
 118                 });\r
 119                 ok.addStyleName("button");\r
 120 \r
 121         outer.add(ok);\r
 122         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 123 \r
 124         setWidget(outer);\r
 125         }\r
 126 \r
 127         private VerticalPanel createGeneralPanel() {\r
 128         final VerticalPanel generalPanel = new VerticalPanel();\r
 129         final FlexTable generalTable = new FlexTable();\r
 130         generalTable.setText(0, 0, "Name");\r
 131         generalTable.setText(1, 0, "Folder");\r
 132         generalTable.setText(2, 0, "Owner");\r
 133         generalTable.setText(3, 0, "Last modified");\r
 134 \r
 135         name.setWidth("100%");\r
 136         name.setText(file.getName());\r
 137         generalTable.setWidget(0, 1, name);\r
 138         if(file.getParent() != null)\r
 139             generalTable.setText(1, 1, file.getParent().getName());\r
 140         else\r
 141             generalTable.setText(1, 1, "-");\r
 142         generalTable.setText(2, 1, file.getOwner());\r
 143 \r
 144         final DateTimeFormat formatter = DateTimeFormat.getFormat("d/M/yyyy h:mm a");\r
 145         generalTable.setText(3, 1, file.getLastModified() != null ? formatter.format(file.getLastModified()) : "");\r
 146 \r
 147         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 148         generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 149         generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 150         generalTable.getFlexCellFormatter().setStyleName(3, 0, "props-labels");\r
 151         generalTable.getFlexCellFormatter().setStyleName(4, 0, "props-labels");\r
 152         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 153         generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 154         generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 155         generalTable.getFlexCellFormatter().setStyleName(3, 1, "props-values");\r
 156         generalTable.setCellSpacing(4);\r
 157 \r
 158         generalPanel.add(generalTable);\r
 159 \r
 160         HorizontalPanel metaTitlePanel = new HorizontalPanel();\r
 161         metaTitlePanel.setSpacing(5);\r
 162         Label meta = new Label("Meta data");\r
 163         meta.addStyleName("pithos-metaTitle");\r
 164         metaTitlePanel.add(meta);\r
 165         \r
 166                 Image plus = new Image();\r
 167                 plus.addStyleName("pithos-addMetaImg");\r
 168                 metaTitlePanel.add(plus);\r
 169                 \r
 170                 generalPanel.add(metaTitlePanel);\r
 171                 \r
 172                 metaTable = new FlexTable();\r
 173                 metaTable.setCellSpacing(0);\r
 174                 metaTable.setHTML(0, 0, "Name");\r
 175                 metaTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 176                 metaTable.setText(0, 1, "Value");\r
 177                 metaTable.getFlexCellFormatter().setStyleName(0, 1, "props-labels");\r
 178                 int rows = 1;\r
 179                 for (String metaKey : file.getMeta().keySet()) {\r
 180                         addFormLine(metaTable, rows++, metaKey, file.getMeta().get(metaKey));\r
 181                 }\r
 182                 if (rows == 1) //If no meta add an empty line\r
 183                         addFormLine(metaTable, rows++, "", "");\r
 184                 \r
 185                 plus.addClickHandler(new ClickHandler() {\r
 186                         \r
 187                         @Override\r
 188                         public void onClick(ClickEvent event) {\r
 189                                 addFormLine(metaTable, metaTable.getRowCount(), "", "");\r
 190                         }\r
 191                 });\r
 192 \r
 193                 generalPanel.add(metaTable);\r
 194         generalPanel.setSpacing(4);\r
 195         return generalPanel;\r
 196     }\r
 197 \r
 198         void addFormLine(final FlexTable table, int row, String _name, String _value) {\r
 199                 TextBox nameBox = new TextBox();\r
 200                 nameBox.setText(_name);\r
 201                 nameBox.addStyleName("pithos-metaName");\r
 202                 table.setWidget(row, 0, nameBox);\r
 203                 table.getFlexCellFormatter().setStyleName(1, 0, "props-values");\r
 204 \r
 205                 TextBox valueBox = new TextBox();\r
 206                 valueBox.setText(_value);\r
 207                 valueBox.addStyleName("pithos-metaValue");\r
 208                 table.setWidget(row, 1, valueBox);\r
 209                 table.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 210                 \r
 211                 Image delete = new Image();\r
 212                 delete.addStyleName("pithos-metaDeleteImg");\r
 213                 delete.addClickHandler(new ClickHandler() {\r
 214                         \r
 215                         @Override\r
 216                         public void onClick(ClickEvent event) {\r
 217                                 int rowIndex = table.getCellForEvent(event).getRowIndex();\r
 218                                 table.removeRow(rowIndex);\r
 219                         }\r
 220                 });\r
 221                 table.setWidget(row, 2, delete);\r
 222         }\r
 223 \r
 224         /**\r
 225          * Accepts any change and updates the file\r
 226          *\r
 227          */\r
 228         @Override\r
 229         protected void accept() {\r
 230                 String newFilename = null;\r
 231 \r
 232                 if (!name.getText().trim().equals(file.getName())) {\r
 233                         newFilename = name.getText().trim();\r
 234                 }\r
 235 \r
 236         final Map<String, String> newMeta = new HashMap<String, String>();\r
 237         for (int row = 1; row < metaTable.getRowCount(); row++) {\r
 238                 String key = ((TextBox) metaTable.getWidget(row, 0)).getText().trim();\r
 239                 String value = ((TextBox) metaTable.getWidget(row, 1)).getText().trim();\r
 240                 if (key.length() > 0 && value.length() > 0)\r
 241                         newMeta.put(key, value);\r
 242         }\r
 243 \r
 244         if (newFilename != null) {\r
 245             final String path = file.getParent().getUri() + "/" + newFilename;\r
 246             PutRequest updateFile = new PutRequest(app.getApiPath(), app.getUsername(), path) {\r
 247                 @Override\r
 248                 public void onSuccess(Resource result) {\r
 249                     updateMetaData(app.getApiPath(), file.getOwner(), path + "?update=", newMeta);\r
 250                 }\r
 251 \r
 252                 @Override\r
 253                 public void onError(Throwable t) {\r
 254                     GWT.log("", t);\r
 255                                         app.setError(t);\r
 256                     app.displayError("System error modifying file:" + t.getMessage());\r
 257                 }\r
 258 \r
 259                                 @Override\r
 260                                 protected void onUnauthorized(Response response) {\r
 261                                         app.sessionExpired();\r
 262                                 }\r
 263             };\r
 264             updateFile.setHeader("X-Auth-Token", app.getToken());\r
 265             updateFile.setHeader("X-Move-From", URL.encodePathSegment(file.getUri()));\r
 266             updateFile.setHeader("Content-Type", file.getContentType());\r
 267             for (String key : file.getMeta().keySet())\r
 268                 updateFile.setHeader("X-Object-Meta-" + URL.encodePathSegment(key.trim()), URL.encodePathSegment(newMeta.get(key)));\r
 269             if (file.isPublished())\r
 270                 updateFile.setHeader("X-Object-Public", "true");\r
 271             String readPermHeader = "read=";\r
 272             String writePermHeader = "write=";\r
 273             for (String u : file.getPermissions().keySet()) {\r
 274                 Boolean[] p = file.getPermissions().get(u);\r
 275                 if (p[0] != null && p[0])\r
 276                     readPermHeader += u + ",";\r
 277                 if (p[1] != null && p[1])\r
 278                     writePermHeader += u + ",";\r
 279             }\r
 280             if (readPermHeader.endsWith("="))\r
 281                 readPermHeader = "";\r
 282             else if (readPermHeader.endsWith(","))\r
 283                 readPermHeader = readPermHeader.substring(0, readPermHeader.length() - 1);\r
 284             if (writePermHeader.endsWith("="))\r
 285                 writePermHeader = "";\r
 286             else if (writePermHeader.endsWith(","))\r
 287                 writePermHeader = writePermHeader.substring(0, writePermHeader.length() - 1);\r
 288             String permHeader = readPermHeader +  ((readPermHeader.length()  > 0 && writePermHeader.length() > 0) ?  ";" : "") + writePermHeader;\r
 289             if (permHeader.length() == 0)\r
 290                 permHeader="~";\r
 291             else\r
 292                 permHeader = URL.encodePathSegment(permHeader);\r
 293             updateFile.setHeader("X-Object-Sharing", permHeader);\r
 294 \r
 295             Scheduler.get().scheduleDeferred(updateFile);\r
 296         }\r
 297         else\r
 298             updateMetaData(app.getApiPath(), app.getUsername(), file.getUri() + "?update=", newMeta);\r
 299         }\r
 300 \r
 301         protected void updateMetaData(String api, String owner, String path, Map<String, String> newMeta) {\r
 302         if (newMeta != null) {\r
 303             PostRequest updateFile = new PostRequest(api, owner, path) {\r
 304                 @Override\r
 305                 public void onSuccess(Resource result) {\r
 306                     app.updateFolder(file.getParent(), true, new Command() {\r
 307                                                 \r
 308                                                 @Override\r
 309                                                 public void execute() {\r
 310                                                         app.updateMySharedRoot();\r
 311                                                 }\r
 312                                         }, true);\r
 313                 }\r
 314 \r
 315                 @Override\r
 316                 public void onError(Throwable t) {\r
 317                     GWT.log("", t);\r
 318                                         app.setError(t);\r
 319                     app.displayError("System error modifying file:" + t.getMessage());\r
 320                 }\r
 321 \r
 322                                 @Override\r
 323                                 protected void onUnauthorized(Response response) {\r
 324                                         app.sessionExpired();\r
 325                                 }\r
 326             };\r
 327             updateFile.setHeader("X-Auth-Token", app.getToken());\r
 328             \r
 329             for (String t : file.getMeta().keySet()) {\r
 330                         updateFile.setHeader("X-Object-Meta-" + URL.encodePathSegment(t.trim()), "~");\r
 331             }\r
 332             \r
 333             for (String key : newMeta.keySet())\r
 334                 updateFile.setHeader("X-Object-Meta-" + URL.encodePathSegment(key.trim()), URL.encodePathSegment(newMeta.get(key)));\r
 335             \r
 336             Scheduler.get().scheduleDeferred(updateFile);\r
 337         }\r
 338         else\r
 339             app.updateFolder(file.getParent(), true, new Command() {\r
 340                                 \r
 341                                 @Override\r
 342                                 public void execute() {\r
 343                                         if (file.isSharedOrPublished())\r
 344                                                 app.updateMySharedRoot();\r
 345                                 }\r
 346                         }, true);\r
 347     }\r
 348 }\r