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 gr.grnet.pithos.web.client.grouptree.Group;
  38
  39 import java.util.List;
  40
  41 import com.google.gwt.dom.client.NativeEvent;
  42 import com.google.gwt.event.dom.client.ClickEvent;
  43 import com.google.gwt.event.dom.client.ClickHandler;
  44 import com.google.gwt.event.dom.client.KeyCodes;
  45 import com.google.gwt.regexp.shared.RegExp;
  46 import com.google.gwt.user.client.Event.NativePreviewEvent;
  47 import com.google.gwt.user.client.ui.Anchor;
  48 import com.google.gwt.user.client.ui.Button;
  49 import com.google.gwt.user.client.ui.CheckBox;
  50 import com.google.gwt.user.client.ui.DialogBox;
  51 import com.google.gwt.user.client.ui.FlexTable;
  52 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  53 import com.google.gwt.user.client.ui.ListBox;
  54 import com.google.gwt.user.client.ui.RadioButton;
  55 import com.google.gwt.user.client.ui.TextBox;
  56 import com.google.gwt.user.client.ui.VerticalPanel;
  57
  58 public class PermissionsAddDialog extends DialogBox {
  59
  60         private TextBox userBox = new TextBox();
  61
  62         private ListBox groupBox = new ListBox();
  63
  64         private RadioButton read = new RadioButton("permissions");
  65
  66         private RadioButton write = new RadioButton("permissions");
  67
  68         private PermissionsList permList;
  69
  70         boolean userAdd;
  71
  72     private Pithos app;
  73
  74         public PermissionsAddDialog(Pithos _app, List<Group> _groups, PermissionsList _permList, boolean _userAdd) {
  75         app = _app;
  76                 userAdd = _userAdd;
  77                 permList = _permList;
  78
  79                 Anchor close = new Anchor("close");
  80                 close.addStyleName("close");
  81                 close.addClickHandler(new ClickHandler() {
  82
  83                         @Override
  84                         public void onClick(ClickEvent event) {
  85                                 hide();
  86                         }
  87                 });
  88                 setText("Add permission");
  89                 setStyleName("pithos-DialogBox");
  90
  91         final VerticalPanel panel = new VerticalPanel();
  92         panel.add(close);
  93
  94         VerticalPanel inner = new VerticalPanel();
  95                 inner.addStyleName("inner");
  96
  97         final FlexTable permTable = new FlexTable();
  98         permTable.setText(0, 0, "Users/Groups");
  99         permTable.setText(0, 1, "Read Only");
 100         permTable.setText(0, 2, "Read/Write");
 101         permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
 102         permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
 103         permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
 104
 105         if (userAdd) {
 106             permTable.setWidget(1, 0, userBox);
 107         }
 108         else {
 109             for (Group group : _groups)
 110                 groupBox.addItem(group.getName(), group.getName());
 111             permTable.setWidget(1, 0, groupBox);
 112         }
 113
 114         read.setValue(true);
 115         permTable.setWidget(1, 1, read);
 116         permTable.setWidget(1, 2, write);
 117
 118         permTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 119         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_CENTER);
 120         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 2, HasHorizontalAlignment.ALIGN_CENTER);
 121         inner.add(permTable);
 122
 123         final Button ok = new Button("OK", new ClickHandler() {
 124             @Override
 125             public void onClick(ClickEvent event) {
 126                 addPermission();
 127                 hide();
 128             }
 129         });
 130
 131         ok.addStyleName("button");
 132         inner.add(ok);
 133
 134         panel.add(inner);
 135         panel.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
 136
 137         setWidget(panel);
 138         }
 139
 140         protected void addPermission() {
 141         String selected = null;
 142                 if (userAdd) {
 143                         selected = userBox.getText().trim();
 144                         RegExp emailValidator = RegExp.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+[.][A-Z]{2,4}$", "i");
 145                         if (!emailValidator.test(selected)) {
 146                                 app.displayWarning("Username must be a valid email address");
 147                                 return;
 148                         }
 149                 } else if (groupBox.getSelectedIndex() > -1) {
 150                         String groupName = groupBox.getValue(groupBox.getSelectedIndex());
 151                         selected = app.getUsername() + ":" + groupName;
 152                 }
 153         if (permList.getPermissions().get(selected) != null) {
 154             return;
 155         }
 156         if (selected == null || selected.length() == 0 || selected.equals(app.getUsername() + ":")) {
 157                 app.displayWarning("You have to select a username or group");
 158                 return;
 159         }
 160
 161                 boolean readValue = read.getValue();
 162                 boolean writeValue = write.getValue();
 163
 164                 permList.addPermission(selected, readValue, writeValue);
 165         }
 166
 167         @Override
 168         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 169                 super.onPreviewNativeEvent(preview);
 170
 171                 NativeEvent evt = preview.getNativeEvent();
 172                 if (evt.getType().equals("keydown"))
 173                         // Use the popup's key preview hooks to close the dialog when either
 174                         // enter or escape is pressed.
 175                         switch (evt.getKeyCode()) {
 176                                 case KeyCodes.KEY_ENTER:
 177                                         addPermission();
 178                                         hide();
 179                                         break;
 180                                 case KeyCodes.KEY_ESCAPE:
 181                                         hide();
 182                                         break;
 183                         }
 184         }
 185
 186
 187         @Override
 188         public void center() {
 189                 super.center();
 190                 if (userAdd)
 191                         userBox.setFocus(true);
 192         }
 193 }