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