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

   1 /*
   2  * Copyright 2011-2012 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import com.google.gwt.http.client.Request;
  38 import com.google.gwt.http.client.Response;
  39 import com.google.gwt.json.client.JSONObject;
  40 import gr.grnet.pithos.web.client.catalog.GetUserCatalogs;
  41 import gr.grnet.pithos.web.client.catalog.UserCatalogs;
  42 import gr.grnet.pithos.web.client.grouptree.Group;
  43
  44 import java.util.List;
  45
  46 import com.google.gwt.dom.client.NativeEvent;
  47 import com.google.gwt.event.dom.client.ClickEvent;
  48 import com.google.gwt.event.dom.client.ClickHandler;
  49 import com.google.gwt.event.dom.client.KeyCodes;
  50 import com.google.gwt.regexp.shared.RegExp;
  51 import com.google.gwt.user.client.Event.NativePreviewEvent;
  52 import com.google.gwt.user.client.ui.Anchor;
  53 import com.google.gwt.user.client.ui.Button;
  54 import com.google.gwt.user.client.ui.DialogBox;
  55 import com.google.gwt.user.client.ui.FlexTable;
  56 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  57 import com.google.gwt.user.client.ui.ListBox;
  58 import com.google.gwt.user.client.ui.RadioButton;
  59 import com.google.gwt.user.client.ui.TextBox;
  60 import com.google.gwt.user.client.ui.VerticalPanel;
  61
  62 public class PermissionsAddDialog extends DialogBox {
  63     final static RegExp EmailValidator = RegExp.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+[.][A-Z]{2,4}$", "i");
  64
  65         private TextBox userBox = new TextBox();
  66
  67         private ListBox groupBox = new ListBox();
  68
  69         private RadioButton read = new RadioButton("permissions");
  70
  71         private RadioButton write = new RadioButton("permissions");
  72
  73         private PermissionsList permList;
  74
  75         boolean userAdd;
  76
  77     private Pithos app;
  78
  79         public PermissionsAddDialog(Pithos _app, List<Group> _groups, PermissionsList _permList, boolean _userAdd) {
  80         app = _app;
  81                 userAdd = _userAdd;
  82                 permList = _permList;
  83
  84                 Anchor close = new Anchor("close");
  85                 close.addStyleName("close");
  86                 close.addClickHandler(new ClickHandler() {
  87
  88                         @Override
  89                         public void onClick(ClickEvent event) {
  90                                 hide();
  91                         }
  92                 });
  93                 setText("Add permission");
  94                 setStyleName("pithos-DialogBox");
  95
  96         final VerticalPanel panel = new VerticalPanel();
  97         panel.add(close);
  98
  99         VerticalPanel inner = new VerticalPanel();
 100                 inner.addStyleName("inner");
 101
 102         final FlexTable permTable = new FlexTable();
 103         permTable.setText(0, 0, "Users/Groups");
 104         permTable.setText(0, 1, "Read Only");
 105         permTable.setText(0, 2, "Read/Write");
 106         permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
 107         permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
 108         permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
 109
 110         if (userAdd) {
 111             permTable.setWidget(1, 0, userBox);
 112         }
 113         else {
 114             for (Group group : _groups) {
 115                 groupBox.addItem(group.getName(), group.getName());
 116             }
 117             permTable.setWidget(1, 0, groupBox);
 118         }
 119
 120         read.setValue(true);
 121         permTable.setWidget(1, 1, read);
 122         permTable.setWidget(1, 2, write);
 123
 124         permTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 125         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_CENTER);
 126         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 2, HasHorizontalAlignment.ALIGN_CENTER);
 127         inner.add(permTable);
 128
 129         final Button ok = new Button("OK", new ClickHandler() {
 130             @Override
 131             public void onClick(ClickEvent event) {
 132                 addPermission();
 133                 hide();
 134             }
 135         });
 136
 137         ok.addStyleName("button");
 138         inner.add(ok);
 139
 140         panel.add(inner);
 141         panel.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
 142
 143         setWidget(panel);
 144         }
 145
 146         protected void addPermission() {
 147         final boolean readValue = read.getValue();
 148         final boolean writeValue = write.getValue();
 149
 150         String selected = null;
 151                 if (userAdd) {
 152                         final String userDisplayName = userBox.getText().trim();
 153                         addUserPermission(userDisplayName, readValue, writeValue);
 154             return;
 155                 } else if (groupBox.getSelectedIndex() > -1) {
 156                         String groupName = groupBox.getValue(groupBox.getSelectedIndex());
 157                         selected = app.getUserID() + ":" + groupName;
 158                 }
 159         if (permList.getPermissions().get(selected) != null) {
 160             return;
 161         }
 162         if (selected == null || selected.length() == 0 || selected.equals(app.getUserID() + ":")) {
 163                 app.displayWarning("You have to select a username or group");
 164                 return;
 165         }
 166
 167                 permList.addPermission(selected, readValue, writeValue);
 168         }
 169
 170     private boolean alreadyHasPermission(String selected) {
 171         return permList.getPermissions().get(selected) != null;
 172     }
 173
 174     private void addUserPermission(final String userDisplayName, final boolean readValue, final boolean writeValue) {
 175         if (!EmailValidator.test(userDisplayName)) {
 176             app.displayWarning("Username must be a valid email address");
 177             return;
 178         }
 179
 180         // Now get the userID
 181         final String userID = app.getUserIDForDisplayName(userDisplayName);
 182         if(userID != null) {
 183             // Check if already have the permission
 184             if(!alreadyHasPermission(userID)) {
 185                 permList.addPermission(userID, readValue, writeValue);
 186             }
 187         }
 188         else {
 189             // Must call server to obtain userID
 190             new GetUserCatalogs(app, null, Helpers.toList(userDisplayName)) {
 191                 @Override
 192                 public void onSuccess(Request request, Response response, JSONObject result, UserCatalogs userCatalogs) {
 193                     app.getUserCatalogs().updateFrom(userCatalogs);
 194                     final String userID = app.getUserIDForDisplayName(userDisplayName);
 195                     if(userID == null) {
 196                         app.displayWarning("Unknown user " + userDisplayName);
 197                     }
 198                     else if(!alreadyHasPermission(userID)) {
 199                         permList.addPermission(userID, readValue, writeValue);
 200                     }
 201                 }
 202             }.scheduleDeferred();
 203         }
 204     }
 205
 206         @Override
 207         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 208                 super.onPreviewNativeEvent(preview);
 209
 210                 NativeEvent evt = preview.getNativeEvent();
 211                 if (evt.getType().equals("keydown"))
 212                         // Use the popup's key preview hooks to close the dialog when either
 213                         // enter or escape is pressed.
 214                         switch (evt.getKeyCode()) {
 215                                 case KeyCodes.KEY_ENTER:
 216                                         addPermission();
 217                                         hide();
 218                                         break;
 219                                 case KeyCodes.KEY_ESCAPE:
 220                                         hide();
 221                                         break;
 222                         }
 223         }
 224
 225
 226         @Override
 227         public void center() {
 228                 super.center();
 229                 if (userAdd)
 230                         userBox.setFocus(true);
 231         }
 232 }