code.grnet.gr Git - pithos-web-client/blob - src/gr/grnet/pithos/web/client/AddUserDialog.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.Resource;\r
  38 import gr.grnet.pithos.web.client.grouptree.Group;\r
  39 import gr.grnet.pithos.web.client.rest.PostRequest;\r
  40 import gr.grnet.pithos.web.client.rest.RestException;\r
  41 \r
  42 import com.google.gwt.core.client.GWT;\r
  43 import com.google.gwt.core.client.Scheduler;\r
  44 import com.google.gwt.dom.client.NativeEvent;\r
  45 import com.google.gwt.event.dom.client.ClickEvent;\r
  46 import com.google.gwt.event.dom.client.ClickHandler;\r
  47 import com.google.gwt.event.dom.client.KeyCodes;\r
  48 import com.google.gwt.event.dom.client.KeyDownEvent;\r
  49 import com.google.gwt.http.client.Response;\r
  50 import com.google.gwt.http.client.URL;\r
  51 import com.google.gwt.user.client.Event.NativePreviewEvent;\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.DialogBox;\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.TextBox;\r
  58 import com.google.gwt.user.client.ui.VerticalPanel;\r
  59 \r
  60 /**\r
  61  * The 'Folder properties' dialog box implementation.\r
  62  */\r
  63 public class AddUserDialog extends DialogBox {\r
  64 \r
  65     protected Pithos app;\r
  66 \r
  67     Group group;\r
  68         /**\r
  69          * The widget that holds the folderName of the folder.\r
  70          */\r
  71         TextBox userName = new TextBox();\r
  72 \r
  73         final VerticalPanel inner;\r
  74 \r
  75         /**\r
  76          * The widget's constructor.\r
  77          */\r
  78         public AddUserDialog(final Pithos app, Group _group) {\r
  79         this.app = app;\r
  80         this.group = _group;\r
  81         \r
  82                 Anchor close = new Anchor();\r
  83                 close.addStyleName("close");\r
  84                 close.addClickHandler(new ClickHandler() {\r
  85                         \r
  86                         @Override\r
  87                         public void onClick(ClickEvent event) {\r
  88                                 hide();\r
  89                         }\r
  90                 });\r
  91 \r
  92                 setAnimationEnabled(true);\r
  93                 setGlassEnabled(true);\r
  94                 setStyleName("pithos-DialogBox");\r
  95 \r
  96                 // Enable IE selection for the dialog (must disable it upon closing it)\r
  97                 Pithos.enableIESelection();\r
  98 \r
  99                 // Use this opportunity to set the dialog's caption.\r
 100                 setText("Add user");\r
 101 \r
 102                 // Outer contains inner and buttons\r
 103                 VerticalPanel outer = new VerticalPanel();\r
 104                 outer.add(close);\r
 105                 // Inner contains generalPanel and permPanel\r
 106                 inner = new VerticalPanel();\r
 107                 inner.addStyleName("inner");\r
 108 \r
 109                 VerticalPanel generalPanel = new VerticalPanel();\r
 110         FlexTable generalTable = new FlexTable();\r
 111         generalTable.setText(0, 0, "Username");\r
 112 \r
 113         generalTable.setWidget(0, 1, userName);\r
 114 \r
 115         generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 116         generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 117         generalTable.setCellSpacing(4);\r
 118         generalPanel.add(generalTable);\r
 119         inner.add(generalPanel);\r
 120 \r
 121         outer.add(inner);\r
 122 \r
 123                 // Create the 'Create/Update' button, along with a listener that hides the dialog\r
 124                 // when the button is clicked and quits the application.\r
 125                 String okLabel = "Create";\r
 126                 final Button ok = new Button(okLabel, new ClickHandler() {\r
 127                         @Override\r
 128                         public void onClick(ClickEvent event) {\r
 129                                 addUser();\r
 130                                 closeDialog();\r
 131                         }\r
 132                 });\r
 133                 ok.addStyleName("button");\r
 134                 outer.add(ok);\r
 135         outer.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);\r
 136 \r
 137         setWidget(outer);\r
 138         }\r
 139 \r
 140         @Override\r
 141         public void center() {\r
 142                 super.center();\r
 143                 userName.setFocus(true);\r
 144         }\r
 145 \r
 146         @Override\r
 147         protected void onPreviewNativeEvent(NativePreviewEvent preview) {\r
 148                 super.onPreviewNativeEvent(preview);\r
 149 \r
 150                 NativeEvent evt = preview.getNativeEvent();\r
 151                 if (evt.getType().equals(KeyDownEvent.getType().getName()))\r
 152                         // Use the popup's key preview hooks to close the dialog when either\r
 153                         // enter or escape is pressed.\r
 154                         switch (evt.getKeyCode()) {\r
 155                                 case KeyCodes.KEY_ENTER:\r
 156                                         addUser();\r
 157                     closeDialog();\r
 158                                         break;\r
 159                                 case KeyCodes.KEY_ESCAPE:\r
 160                                         closeDialog();\r
 161                                         break;\r
 162                         }\r
 163         }\r
 164 \r
 165 \r
 166         /**\r
 167          * Enables IE selection prevention and hides the dialog\r
 168          * (we disable the prevention on creation of the dialog)\r
 169          */\r
 170         public void closeDialog() {\r
 171                 Pithos.preventIESelection();\r
 172                 hide();\r
 173         }\r
 174 \r
 175         /**\r
 176          * Generate an RPC request to create a new folder.\r
 177          */\r
 178         void addUser() {\r
 179                 String name = userName.getText().trim();\r
 180                 if (name.length() == 0)\r
 181                         return;\r
 182         group.addMember(name);\r
 183         String path = "?update=";\r
 184         PostRequest updateGroup = new PostRequest(app.getApiPath(), app.getUsername(), path) {\r
 185                         \r
 186                         @Override\r
 187                         public void onSuccess(Resource result) {\r
 188                                 app.updateGroupNode(group);\r
 189                         }\r
 190                         \r
 191                         @Override\r
 192                         public void onError(Throwable t) {\r
 193                                 GWT.log("", t);\r
 194                                 app.setError(t);\r
 195                                 if (t instanceof RestException) {\r
 196                                         app.displayError("Unable to update group:" + ((RestException) t).getHttpStatusText());\r
 197                                 }\r
 198                                 else \r
 199                                         app.displayError("System error updating group:" + t.getMessage());\r
 200                         }\r
 201 \r
 202                         @Override\r
 203                         protected void onUnauthorized(Response response) {\r
 204                                 app.sessionExpired();\r
 205                         }\r
 206                 };\r
 207                 updateGroup.setHeader("X-Auth-Token", app.getToken());\r
 208                 String groupMembers = "";\r
 209                 for (String u : group.getMembers())\r
 210                         groupMembers += (URL.encodePathSegment(u) + ",");\r
 211                 updateGroup.setHeader("X-Account-Group-" + URL.encodePathSegment(group.getName()), groupMembers);\r
 212                 Scheduler.get().scheduleDeferred(updateGroup);\r
 213         }\r
 214 }\r