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

   1 /*\r
   2  * Copyright 2011-2013 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.Version;\r
  40 import gr.grnet.pithos.web.client.rest.GetRequest;\r
  41 import gr.grnet.pithos.web.client.rest.RestException;\r
  42 \r
  43 import java.util.List;\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.resources.client.ImageResource;\r
  51 import com.google.gwt.user.client.Command;\r
  52 import com.google.gwt.user.client.ui.Anchor;\r
  53 import com.google.gwt.user.client.ui.Button;\r
  54 import com.google.gwt.user.client.ui.FocusPanel;\r
  55 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  56 import com.google.gwt.user.client.ui.VerticalPanel;\r
  57 \r
  58 /**\r
  59  * The 'File properties' dialog box implementation.\r
  60  *\r
  61  */\r
  62 public class FileVersionsDialog extends AbstractPropertiesDialog {\r
  63 \r
  64         /**\r
  65          * An image bundle for this widgets images.\r
  66          */\r
  67         public interface Images extends MessagePanel.Images {\r
  68 \r
  69                 @Source("gr/grnet/pithos/resources/edit_user.png")\r
  70                 ImageResource permUser();\r
  71 \r
  72                 @Source("gr/grnet/pithos/resources/groups22.png")\r
  73                 ImageResource permGroup();\r
  74 \r
  75                 @Source("gr/grnet/pithos/resources/editdelete.png")\r
  76                 ImageResource delete();\r
  77 \r
  78                 @Source("gr/grnet/pithos/resources/db_update.png")\r
  79                 ImageResource restore();\r
  80 \r
  81                 @Source("gr/grnet/pithos/resources/folder_inbox.png")\r
  82                 ImageResource download();\r
  83         }\r
  84 \r
  85         final File file;\r
  86 \r
  87     Images images = GWT.create(Images.class);\r
  88 \r
  89         /**\r
  90          * The widget's constructor.\r
  91          */\r
  92         public FileVersionsDialog(Pithos _app, File _file) {\r
  93         super(_app);\r
  94         file = _file;\r
  95 \r
  96                 Anchor close = new Anchor("close");\r
  97                 close.addStyleName("close");\r
  98                 close.addClickHandler(new ClickHandler() {\r
  99                         \r
 100                         @Override\r
 101                         public void onClick(ClickEvent event) {\r
 102                                 hide();\r
 103                         }\r
 104                 });\r
 105                 // Set the dialog's caption.\r
 106                 setText("File versions");\r
 107                 setGlassEnabled(true);\r
 108                 setStyleName("pithos-DialogBox");\r
 109 \r
 110                 // Outer contains inner and buttons.\r
 111                 final VerticalPanel outer = new VerticalPanel();\r
 112                 outer.add(close);\r
 113                 final FocusPanel focusPanel = new FocusPanel(outer);\r
 114                 // Inner contains generalPanel and permPanel.\r
 115                 inner = new VerticalPanel();\r
 116                 inner.addStyleName("inner");\r
 117 \r
 118                 outer.add(inner);\r
 119 \r
 120                 // Create the 'OK' button, along with a listener that hides the dialog\r
 121                 // when the button is clicked.\r
 122                 final Button ok = new Button("OK", new ClickHandler() {\r
 123                         @Override\r
 124                         public void onClick(ClickEvent event) {\r
 125                                 accept();\r
 126                                 closeDialog();\r
 127                         }\r
 128                 });\r
 129                 ok.addStyleName("button");\r
 130 \r
 131         outer.add(ok);\r
 132         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 133 \r
 134         focusPanel.setFocus(true);\r
 135         setWidget(outer);\r
 136         }\r
 137 \r
 138         void doCenter() {\r
 139                 super.center();\r
 140         }\r
 141         \r
 142         @Override\r
 143         public void center() {\r
 144                 fetchVersions();\r
 145         }\r
 146 \r
 147     protected void fetchVersions() {\r
 148         String path = file.getUri() + "?format=json&version=list";\r
 149         GetRequest<FileVersions> getVersions = new GetRequest<FileVersions>(FileVersions.class, Pithos.getStorageAPIURL(), file.getOwnerID(), path) {\r
 150 \r
 151                         @Override\r
 152                         public void onSuccess(FileVersions _result) {\r
 153                         inner.add(createVersionPanel(_result.getVersions()));\r
 154                                 doCenter();\r
 155                         }\r
 156 \r
 157                         @Override\r
 158                         public void onError(Throwable t) {\r
 159                                 GWT.log("", t);\r
 160                                 app.setError(t);\r
 161                 if (t instanceof RestException) {\r
 162                     app.displayError("Unable to fetch versions: " + ((RestException) t).getHttpStatusText());\r
 163                 }\r
 164                 else\r
 165                     app.displayError("System error unable to fetch versions: "+t.getMessage());\r
 166                         }\r
 167 \r
 168                         @Override\r
 169                         protected void onUnauthorized(Response response) {\r
 170                                 app.sessionExpired();\r
 171                         }\r
 172                 };\r
 173                 getVersions.setHeader("X-Auth-Token", app.getUserToken());\r
 174                 Scheduler.get().scheduleDeferred(getVersions);\r
 175         }\r
 176 \r
 177     VerticalPanel createVersionPanel(List<Version> versions) {\r
 178         VerticalPanel versionPanel = new VerticalPanel();\r
 179         VersionsList verList = new VersionsList(app, this, images, file, versions);\r
 180         versionPanel.add(verList);\r
 181         return versionPanel;\r
 182     }\r
 183 \r
 184         /**\r
 185          * Accepts any change and updates the file\r
 186          * @return \r
 187          *\r
 188          */\r
 189         @Override\r
 190         protected boolean accept() {\r
 191         app.updateFolder(file.getParent(), true, new Command() {\r
 192                         \r
 193                         @Override\r
 194                         public void execute() {\r
 195                                 if (file.isSharedOrPublished())\r
 196                                         app.updateMySharedRoot();\r
 197                         }\r
 198                 }, true);\r
 199         \r
 200         return true;\r
 201         }\r
 202 }\r