code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/FilesPropertiesDialog.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.components.TristateCheckBox;\r
  22 import gr.ebs.gss.client.rest.MultiplePostCommand;\r
  23 import gr.ebs.gss.client.rest.RestException;\r
  24 import gr.ebs.gss.client.rest.resource.FileResource;\r
  25 \r
  26 import java.util.ArrayList;\r
  27 import java.util.Iterator;\r
  28 import java.util.List;\r
  29 \r
  30 import com.google.gwt.core.client.GWT;\r
  31 import com.google.gwt.event.dom.client.ClickEvent;\r
  32 import com.google.gwt.event.dom.client.ClickHandler;\r
  33 import com.google.gwt.event.dom.client.FocusEvent;\r
  34 import com.google.gwt.event.dom.client.FocusHandler;\r
  35 import com.google.gwt.json.client.JSONArray;\r
  36 import com.google.gwt.json.client.JSONBoolean;\r
  37 import com.google.gwt.json.client.JSONObject;\r
  38 import com.google.gwt.json.client.JSONString;\r
  39 import com.google.gwt.user.client.Command;\r
  40 import com.google.gwt.user.client.DeferredCommand;\r
  41 import com.google.gwt.user.client.ui.Button;\r
  42 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  43 import com.google.gwt.user.client.ui.DisclosurePanel;\r
  44 import com.google.gwt.user.client.ui.FlexTable;\r
  45 import com.google.gwt.user.client.ui.FlowPanel;\r
  46 import com.google.gwt.user.client.ui.FocusPanel;\r
  47 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  48 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  49 import com.google.gwt.user.client.ui.Label;\r
  50 import com.google.gwt.user.client.ui.VerticalPanel;\r
  51 \r
  52 /**\r
  53  * The 'Multiple file properties' dialog box implementation.\r
  54  *\r
  55  * @author droutsis\r
  56  */\r
  57 public class FilesPropertiesDialog extends AbstractPropertiesDialog {\r
  58 \r
  59         private final TristateCheckBox versionedCheck;\r
  60 \r
  61         private final List<FileResource> files;\r
  62 \r
  63         private Boolean initialVersioned;\r
  64 \r
  65 \r
  66         /**\r
  67          * The widget's constructor.\r
  68          *\r
  69          * @param _files\r
  70          */\r
  71         public FilesPropertiesDialog(final List<FileResource> _files) {\r
  72                 super();\r
  73 \r
  74                 files = _files;\r
  75                 int versionedNum = 0;\r
  76                 for (FileResource fr : files)\r
  77                         if (fr.isVersioned()) versionedNum++;\r
  78                 Boolean versioned = null;\r
  79                 if (versionedNum==0) versioned = false;\r
  80                 if (versionedNum==files.size()) versioned = true;\r
  81                 initialVersioned = versioned;\r
  82                 versionedCheck = new TristateCheckBox(versioned);\r
  83 \r
  84                 // Set the dialog's caption.\r
  85                 setText("Files properties");\r
  86 \r
  87                 // Outer contains inner and buttons.\r
  88                 final VerticalPanel outer = new VerticalPanel();\r
  89                 final FocusPanel focusPanel = new FocusPanel(outer);\r
  90                 // Inner contains generalPanel and permPanel.\r
  91                 inner = new DecoratedTabPanel();\r
  92                 inner.setAnimationEnabled(true);\r
  93                 final VerticalPanel generalPanel = new VerticalPanel();\r
  94                 final HorizontalPanel buttons = new HorizontalPanel();\r
  95                 final VerticalPanel verPanel = new VerticalPanel();\r
  96                 final HorizontalPanel vPanel = new HorizontalPanel();\r
  97 \r
  98                 inner.add(generalPanel, "General");\r
  99                 inner.add(verPanel, "Versions");\r
 100                 inner.selectTab(0);\r
 101 \r
 102                 final FlexTable generalTable = new FlexTable();\r
 103                 generalTable.setText(0, 0, String.valueOf(files.size())+" files selected");\r
 104                 generalTable.setText(1, 0, "Folder");\r
 105                 generalTable.setText(2, 0, "Tags");\r
 106                 FileResource firstFile = files.get(0);\r
 107                 if(firstFile.getFolderName() != null)\r
 108                         generalTable.setText(1, 1, firstFile.getFolderName());\r
 109                 else\r
 110                         generalTable.setText(1, 1, "-");\r
 111 \r
 112                 // Find if tags are identical\r
 113                 List<String> tagsList = files.get(0).getTags();\r
 114                 List<String> tagss;\r
 115                 for (int i=1; i<files.size(); i++) {\r
 116                         tagss = files.get(i).getTags();\r
 117                         if (tagsList.size() != tagss.size() || !tagsList.containsAll(tagss)) {\r
 118                                 tagsList = null;\r
 119                                 break;\r
 120                         }\r
 121                 }\r
 122                 // Get the tags.\r
 123                 StringBuffer tagsBuffer = new StringBuffer();\r
 124                 if (tagsList==null)\r
 125                         tagsBuffer.append(MULTIPLE_VALUES_TEXT);\r
 126                 else {\r
 127                         Iterator i = tagsList.iterator();\r
 128                         while (i.hasNext()) {\r
 129                                 String tag = (String) i.next();\r
 130                                 tagsBuffer.append(tag).append(", ");\r
 131                         }\r
 132                         if (tagsBuffer.length() > 1)\r
 133                                 tagsBuffer.delete(tagsBuffer.length() - 2, tagsBuffer.length() - 1);\r
 134                 }\r
 135                 initialTagText = tagsBuffer.toString();\r
 136                 tags.setText(initialTagText);\r
 137                 tags.addFocusHandler(new FocusHandler() {\r
 138                         @Override\r
 139                         public void onFocus(FocusEvent event) {\r
 140                                 if (MULTIPLE_VALUES_TEXT.equals(tags.getText()))\r
 141                                         tags.setText("");\r
 142                         }\r
 143                 }\r
 144                 );\r
 145 \r
 146                 generalTable.setWidget(2, 1, tags);\r
 147                 generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 148                 generalTable.getFlexCellFormatter().setColSpan(0, 0, 2);\r
 149                 generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 150                 generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 151                 generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 152                 generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 153                 generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 154                 generalTable.setCellSpacing(4);\r
 155 \r
 156                 // Create the 'OK' button, along with a listener that hides the dialog\r
 157                 // when the button is clicked.\r
 158                 final Button ok = new Button("OK", new ClickHandler() {\r
 159                         @Override\r
 160                         public void onClick(ClickEvent event) {\r
 161                                 accept();\r
 162                                 closeDialog();\r
 163                         }\r
 164                 });\r
 165                 buttons.add(ok);\r
 166                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 167                 // Create the 'Cancel' button, along with a listener that hides the\r
 168                 // dialog when the button is clicked.\r
 169                 final Button cancel = new Button("Cancel", new ClickHandler() {\r
 170                         @Override\r
 171                         public void onClick(ClickEvent event) {\r
 172                                 closeDialog();\r
 173                         }\r
 174                 });\r
 175                 buttons.add(cancel);\r
 176                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 177                 buttons.setSpacing(8);\r
 178                 buttons.addStyleName("gss-TabPanelBottom");\r
 179 \r
 180                 generalPanel.add(generalTable);\r
 181 \r
 182                 // Asynchronously retrieve the tags defined by this user.\r
 183                 DeferredCommand.addCommand(new Command() {\r
 184 \r
 185                         public void execute() {\r
 186                                 updateTags();\r
 187                         }\r
 188                 });\r
 189 \r
 190                 DisclosurePanel allTags = new DisclosurePanel("All tags");\r
 191                 allTagsContent = new FlowPanel();\r
 192                 allTags.setContent(allTagsContent);\r
 193                 generalPanel.add(allTags);\r
 194                 generalPanel.setSpacing(4);\r
 195 \r
 196 \r
 197                 vPanel.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 198                 vPanel.setSpacing(8);\r
 199                 vPanel.addStyleName("gss-TabPanelBottom");\r
 200                 vPanel.add(new Label("Versioned"));\r
 201 \r
 202                 vPanel.add(versionedCheck);\r
 203                 verPanel.add(vPanel);\r
 204                 outer.add(inner);\r
 205                 outer.add(buttons);\r
 206                 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 207                 outer.addStyleName("gss-TabPanelBottom");\r
 208 \r
 209                 focusPanel.setFocus(true);\r
 210                 setWidget(outer);\r
 211         }\r
 212 \r
 213 \r
 214         /**\r
 215          * Accepts any change and updates the file\r
 216          *\r
 217          */\r
 218         @Override\r
 219         protected void accept() {\r
 220                 JSONObject json = new JSONObject();\r
 221                 if ( versionedCheck.getState()!=null && !versionedCheck.getState().equals(initialVersioned) )\r
 222                                 json.put("versioned", JSONBoolean.getInstance(versionedCheck.getState()));\r
 223 \r
 224                 JSONArray taga = new JSONArray();\r
 225                 int i = 0;\r
 226                 String tagText = tags.getText();\r
 227                 if (!MULTIPLE_VALUES_TEXT.equals(tagText) && !initialTagText.equals(tagText)) {\r
 228                         String[] tagset = tagText.split(",");\r
 229                         for (String t : tagset) {\r
 230                                 JSONString to = new JSONString(t);\r
 231                                 taga.set(i, to);\r
 232                                 i++;\r
 233                         }\r
 234                         json.put("tags", taga);\r
 235                 }\r
 236                 String jsonString = json.toString();\r
 237                 if(jsonString.equals("{}")){\r
 238                         GWT.log("NO CHANGES", null);\r
 239                         return;\r
 240                 }\r
 241                 final List<String> fileIds = new ArrayList<String>();\r
 242                 for(FileResource f : files)\r
 243                         fileIds.add(f.getUri()+"?update=");\r
 244                 MultiplePostCommand rt = new MultiplePostCommand(fileIds.toArray(new String[0]), jsonString, 200){\r
 245 \r
 246                         @Override\r
 247                         public void onComplete() {\r
 248                                 GSS.get().getFileList().updateFileCache(true, false /* do not clear selected file*/);\r
 249                         }\r
 250 \r
 251                         @Override\r
 252                         public void onError(String p, Throwable t) {\r
 253                                 GWT.log("", t);\r
 254                                 if(t instanceof RestException){\r
 255                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 256                                         if(statusCode == 405)\r
 257                                                 GSS.get().displayError("You don't have the necessary permissions");\r
 258                                         else if(statusCode == 404)\r
 259                                                 GSS.get().displayError("File does not exist");\r
 260                                         else if(statusCode == 409)\r
 261                                                 GSS.get().displayError("A file with the same name already exists");\r
 262                                         else if(statusCode == 413)\r
 263                                                 GSS.get().displayError("Your quota has been exceeded");\r
 264                                         else\r
 265                                                 GSS.get().displayError("Unable to modify file::"+((RestException)t).getHttpStatusText());\r
 266                                 }\r
 267                                 else\r
 268                                         GSS.get().displayError("System error modifying file:"+t.getMessage());\r
 269                         }\r
 270                 };\r
 271                 DeferredCommand.addCommand(rt);\r
 272         }\r
 273 \r
 274 \r
 275 }\r