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 com.google.gwt.user.client.ui.TextBox;
  38
  39 import gr.grnet.pithos.web.client.grouptree.Group;
  40
  41 import java.util.List;
  42
  43 import com.google.gwt.dom.client.NativeEvent;
  44 import com.google.gwt.event.dom.client.ClickEvent;
  45 import com.google.gwt.event.dom.client.ClickHandler;
  46 import com.google.gwt.event.dom.client.KeyCodes;
  47 import com.google.gwt.user.client.Event.NativePreviewEvent;
  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.HorizontalPanel;
  54 import com.google.gwt.user.client.ui.ListBox;
  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 CheckBox read = new CheckBox();
  64
  65         private CheckBox write = new CheckBox();
  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         final VerticalPanel panel = new VerticalPanel();
  79
  80         final FlexTable permTable = new FlexTable();
  81         permTable.setText(0, 0, "Users/Groups");
  82         permTable.setText(0, 1, "Read");
  83         permTable.setText(0, 2, "Write");
  84         permTable.getFlexCellFormatter().setStyleName(0, 0, "props-toplabels");
  85         permTable.getFlexCellFormatter().setStyleName(0, 1, "props-toplabels");
  86         permTable.getFlexCellFormatter().setStyleName(0, 2, "props-toplabels");
  87
  88         if (userAdd) {
  89             permTable.setWidget(1, 0, userBox);
  90         }
  91         else {
  92             for (Group group : _groups)
  93                 groupBox.addItem(group.getName(), group.getName());
  94             permTable.setWidget(1, 0, groupBox);
  95         }
  96
  97         permTable.setWidget(1, 1, read);
  98         permTable.setWidget(1, 2, write);
  99
 100         permTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");
 101         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 1, HasHorizontalAlignment.ALIGN_CENTER);
 102         permTable.getFlexCellFormatter().setHorizontalAlignment(1, 2, HasHorizontalAlignment.ALIGN_CENTER);
 103         panel.add(permTable);
 104
 105         final HorizontalPanel buttons = new HorizontalPanel();
 106         final Button ok = new Button("OK", new ClickHandler() {
 107             @Override
 108             public void onClick(@SuppressWarnings("unused") ClickEvent event) {
 109                 addPermission();
 110                 hide();
 111             }
 112         });
 113         buttons.add(ok);
 114         buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);
 115         // Create the 'Cancel' button, along with a listener that hides the
 116         // dialog
 117         // when the button is clicked.
 118         final Button cancel = new Button("Cancel", new ClickHandler() {
 119             @Override
 120             public void onClick(@SuppressWarnings("unused") ClickEvent event) {
 121                 hide();
 122             }
 123         });
 124         buttons.add(cancel);
 125         buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);
 126         buttons.setSpacing(8);
 127         buttons.addStyleName("pithos-TabPanelBottom");
 128
 129         panel.add(buttons);
 130         panel.addStyleName("pithos-TabPanelBottom");
 131
 132         setWidget(panel);
 133         }
 134
 135         protected void addPermission() {
 136         String selected = null;
 137                 if (userAdd) {
 138                         selected = userBox.getText();
 139                 } else {
 140                         String groupName = groupBox.getValue(groupBox.getSelectedIndex());
 141             selected = app.getUsername() + ":" + groupName;
 142                 }
 143         if (permList.getPermissions().get(selected) != null) {
 144             return;
 145         }
 146                 boolean readValue = read.getValue();
 147                 boolean writeValue = write.getValue();
 148
 149                 permList.addPermission(selected, readValue, writeValue);
 150         }
 151
 152         @Override
 153         protected void onPreviewNativeEvent(NativePreviewEvent preview) {
 154                 super.onPreviewNativeEvent(preview);
 155
 156                 NativeEvent evt = preview.getNativeEvent();
 157                 if (evt.getType().equals("keydown"))
 158                         // Use the popup's key preview hooks to close the dialog when either
 159                         // enter or escape is pressed.
 160                         switch (evt.getKeyCode()) {
 161                                 case KeyCodes.KEY_ENTER:
 162                                         addPermission();
 163                                         hide();
 164                                         break;
 165                                 case KeyCodes.KEY_ESCAPE:
 166                                         hide();
 167                                         break;
 168                         }
 169         }
 170
 171
 172         @Override
 173         public void center() {
 174                 super.center();
 175                 if (userAdd)
 176                         userBox.setFocus(true);
 177         }
 178 }