code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/FileVersionsDialog.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 gr.grnet.pithos.web.client.foldertree.File;\r
  38 import gr.grnet.pithos.web.client.foldertree.FileVersions;\r
  39 import gr.grnet.pithos.web.client.foldertree.Resource;\r
  40 import gr.grnet.pithos.web.client.foldertree.Version;\r
  41 import gr.grnet.pithos.web.client.rest.GetRequest;\r
  42 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  43 import gr.grnet.pithos.web.client.rest.PutRequest;\r
  44 import gr.grnet.pithos.web.client.rest.RestException;\r
  45 \r
  46 import java.util.HashMap;\r
  47 import java.util.List;\r
  48 import java.util.Map;\r
  49 \r
  50 import com.google.gwt.core.client.GWT;\r
  51 import com.google.gwt.core.client.Scheduler;\r
  52 import com.google.gwt.event.dom.client.ClickEvent;\r
  53 import com.google.gwt.event.dom.client.ClickHandler;\r
  54 import com.google.gwt.http.client.Response;\r
  55 import com.google.gwt.http.client.URL;\r
  56 import com.google.gwt.resources.client.ImageResource;\r
  57 import com.google.gwt.user.client.Command;\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.CheckBox;\r
  61 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  62 import com.google.gwt.user.client.ui.FocusPanel;\r
  63 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\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 'File properties' dialog box implementation.\r
  69  *\r
  70  */\r
  71 public class FileVersionsDialog extends AbstractPropertiesDialog {\r
  72 \r
  73         protected PermissionsList permList;\r
  74 \r
  75         protected CheckBox readForAll;\r
  76 \r
  77         /**\r
  78          * An image bundle for this widgets images.\r
  79          */\r
  80         public interface Images extends MessagePanel.Images {\r
  81 \r
  82                 @Source("gr/grnet/pithos/resources/edit_user.png")\r
  83                 ImageResource permUser();\r
  84 \r
  85                 @Source("gr/grnet/pithos/resources/groups22.png")\r
  86                 ImageResource permGroup();\r
  87 \r
  88                 @Source("gr/grnet/pithos/resources/editdelete.png")\r
  89                 ImageResource delete();\r
  90 \r
  91                 @Source("gr/grnet/pithos/resources/db_update.png")\r
  92                 ImageResource restore();\r
  93 \r
  94                 @Source("gr/grnet/pithos/resources/folder_inbox.png")\r
  95                 ImageResource download();\r
  96         }\r
  97 \r
  98         final File file;\r
  99 \r
 100     Images images = GWT.create(Images.class);\r
 101 \r
 102         /**\r
 103          * The widget's constructor.\r
 104          */\r
 105         public FileVersionsDialog(Pithos _app, File _file) {\r
 106         super(_app);\r
 107         file = _file;\r
 108 \r
 109                 Anchor close = new Anchor();\r
 110                 close.addStyleName("close");\r
 111                 close.addClickHandler(new ClickHandler() {\r
 112                         \r
 113                         @Override\r
 114                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 115                                 hide();\r
 116                         }\r
 117                 });\r
 118                 // Set the dialog's caption.\r
 119                 setText("File versions");\r
 120                 setAnimationEnabled(true);\r
 121                 setGlassEnabled(true);\r
 122                 setStyleName("pithos-DialogBox");\r
 123 \r
 124                 // Outer contains inner and buttons.\r
 125                 final VerticalPanel outer = new VerticalPanel();\r
 126                 outer.add(close);\r
 127                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 128                 // Inner contains generalPanel and permPanel.\r
 129                 inner = new VerticalPanel();\r
 130                 inner.addStyleName("inner");\r
 131 \r
 132                 fetchVersions();\r
 133                         \r
 134         outer.add(inner);\r
 135 \r
 136                 // Create the 'OK' button, along with a listener that hides the dialog\r
 137                 // when the button is clicked.\r
 138                 final Button ok = new Button("OK", new ClickHandler() {\r
 139                         @Override\r
 140                         public void onClick(@SuppressWarnings("unused") ClickEvent event) {\r
 141                                 accept();\r
 142                                 closeDialog();\r
 143                         }\r
 144                 });\r
 145                 ok.addStyleName("button");\r
 146 \r
 147         outer.add(ok);\r
 148         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 149 \r
 150         focusPanel.setFocus(true);\r
 151         setWidget(outer);\r
 152         }\r
 153 \r
 154     protected void fetchVersions() {\r
 155         String path = file.getUri() + "?format=json&version=list";\r
 156         GetRequest<FileVersions> getVersions = new GetRequest<FileVersions>(FileVersions.class, app.getApiPath(), file.getOwner(), path) {\r
 157 \r
 158                         @Override\r
 159                         public void onSuccess(FileVersions _result) {\r
 160                         inner.add(createVersionPanel(_result.getVersions()));\r
 161                         }\r
 162 \r
 163                         @Override\r
 164                         public void onError(Throwable t) {\r
 165                                 GWT.log("", t);\r
 166                                 app.setError(t);\r
 167                 if (t instanceof RestException) {\r
 168                     app.displayError("Unable to fetch versions: " + ((RestException) t).getHttpStatusText());\r
 169                 }\r
 170                 else\r
 171                     app.displayError("System error unable to fetch versions: "+t.getMessage());\r
 172                         }\r
 173 \r
 174                         @Override\r
 175                         protected void onUnauthorized(@SuppressWarnings("unused") Response response) {\r
 176                                 app.sessionExpired();\r
 177                         }\r
 178                 };\r
 179                 getVersions.setHeader("X-Auth-Token", app.getToken());\r
 180                 Scheduler.get().scheduleDeferred(getVersions);\r
 181         }\r
 182 \r
 183     VerticalPanel createVersionPanel(List<Version> versions) {\r
 184         VerticalPanel versionPanel = new VerticalPanel();\r
 185         VersionsList verList = new VersionsList(app, this, images, file, versions);\r
 186         versionPanel.add(verList);\r
 187         return versionPanel;\r
 188     }\r
 189 \r
 190         /**\r
 191          * Accepts any change and updates the file\r
 192          *\r
 193          */\r
 194         @Override\r
 195         protected void accept() {\r
 196                 updateMetaData(app.getApiPath(), app.getUsername(), file.getUri() + "?update=");\r
 197         }\r
 198 \r
 199         protected void updateMetaData(String api, String owner, String path) {\r
 200         app.updateFolder(file.getParent(), true, new Command() {\r
 201                         \r
 202                         @Override\r
 203                         public void execute() {\r
 204                                 if (file.isShared())\r
 205                                         app.updateMySharedRoot();\r
 206                         }\r
 207                 });\r
 208     }\r
 209 }\r