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

   1 /*
   2  * Copyright 2011 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.user.client.Event.NativePreviewEvent;
  46 import com.google.gwt.user.client.ui.Anchor;
  47 import com.google.gwt.user.client.ui.Button;
  48 import com.google.gwt.user.client.ui.CheckBox;
  49 import com.google.gwt.user.client.ui.DialogBox;
  50 import com.google.gwt.user.client.ui.FlexTable;
  51 import com.google.gwt.user.client.ui.HasHorizontalAlignment;
  52 import com.google.gwt.user.client.ui.ListBox;
  53 import com.google.gwt.user.client.ui.TextBox;
  54 import com.google.gwt.user.client.ui.VerticalPanel;
  55
  56 public class PermissionsAddDialog extends DialogBox {
  57
  58         private TextBox userBox = new TextBox();
  59
  60         private ListBox groupBox = new ListBox();
  61
  62         private CheckBox read = new CheckBox();
  63
  64         private CheckBox write = new CheckBox();
  65
  66         private PermissionsList permList;
  67
  68         boolean userAdd;
  69
  70     private Pithos app;
  71
  72         public PermissionsAddDialog(Pithos _app, List<Group> _groups, PermissionsList _permList, boolean _userAdd) {
  73         app = _app;
  74                 userAdd = _userAdd;
  75                 permList = _permList;
  76
  77                 Anchor close = new Anchor();
  78                 close.addStyleName("close");
  79                 close.addClickHandler(new ClickHandler() {
  80
  81                         @Override
  82                         public void onClick(ClickEvent event) {
  83                                 hide();
  84                         }
  85                 });
  86                 setText("Add permission");
  87                 setStyleName("pithos-DialogBox");
  88
  89         final VerticalPanel panel = new VerticalPanel();
  90         panel.add(close);
  91
  92         VerticalPanel inner = new VerticalPanel();
  93                 inner.addStyleName("inner");
  94
  95         final FlexTable permTable = new FlexTable();
  96         permTable.setText(0, 0, "Users/Groups");
  97         permTable.setText(0, 1, "Read");
  98         permTable.setText(0, 2, "Write");
  99         permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
 100         permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
 101         permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
 102
 103         if (userAdd) {
 104             permTable.setWidget(1, 0, userBox);
 105         }
 106         else {
 107             for (Group group : _groups)
 108                 groupBox.addItem(group.getName(), group.getName());
 109             permTable.setWidget(1, 0, groupBox);
 110         }
 111
 112         permTable.setWidget(1, 1, read);
 113         permTable.setWidget(1, 2, write);
 114
 115         permTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 116         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_CENTER);
 117         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 2, HasHorizontalAlignment.ALIGN_CENTER);
 118         inner.add(permTable);
 119
 120         final Button ok = new Button("OK", new ClickHandler() {
 121             @Override
 122             public void onClick(ClickEvent event) {
 123                 addPermission();
 124                 hide();
 125             }
 126         });
 127
 128         ok.addStyleName("button");
 129         inner.add(ok);
 130
 131         panel.add(inner);
 132         panel.setCellHorizontalAlignment(inner, HasHorizontalAlignment.ALIGN_CENTER);
 133
 134         setWidget(panel);
 135         }
 136
 137         protected void addPermission() {
 138         String selected = null;
 139                 if (userAdd) {
 140                         selected = userBox.getText();
 141                 } else {
 142                         String groupName = groupBox.getValue(groupBox.getSelectedIndex());
 143             selected = app.getUsername() + ":" + groupName;
 144                 }
 145         if (permList.getPermissions().get(selected) != null) {
 146             return;
 147         }
 148                 boolean readValue = read.getValue();
 149                 boolean writeValue = write.getValue();
 150
 151                 permList.addPermission(selected, readValue, writeValue);
 152         }
 153
 154         @Override
 155         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 156                 super.onPreviewNativeEvent(preview);
 157
 158                 NativeEvent evt = preview.getNativeEvent();
 159                 if (evt.getType().equals("keydown"))
 160                         // Use the popup's key preview hooks to close the dialog when either
 161                         // enter or escape is pressed.
 162                         switch (evt.getKeyCode()) {
 163                                 case KeyCodes.KEY_ENTER:
 164                                         addPermission();
 165                                         hide();
 166                                         break;
 167                                 case KeyCodes.KEY_ESCAPE:
 168                                         hide();
 169                                         break;
 170                         }
 171         }
 172
 173
 174         @Override
 175         public void center() {
 176                 super.center();
 177                 if (userAdd)
 178                         userBox.setFocus(true);
 179         }
 180 }