admin/internal/parts/GroupsView.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.security.ui.admin.internal.parts;
  17
  18 import java.util.ArrayList;
  19 import java.util.List;
  20
  21 import org.argeo.ArgeoException;
  22 import org.argeo.eclipse.ui.EclipseUiUtils;
  23 import org.argeo.jcr.ArgeoNames;
  24 import org.argeo.security.ui.admin.SecurityAdminPlugin;
  25 import org.argeo.security.ui.admin.internal.ColumnDefinition;
  26 import org.argeo.security.ui.admin.internal.CommonNameLP;
  27 import org.argeo.security.ui.admin.internal.UiAdminUtils;
  28 import org.argeo.security.ui.admin.internal.UserAdminConstants;
  29 import org.argeo.security.ui.admin.internal.UserAdminWrapper;
  30 import org.argeo.security.ui.admin.internal.UserDragListener;
  31 import org.argeo.security.ui.admin.internal.UserNameLP;
  32 import org.argeo.security.ui.admin.internal.UserTableDefaultDClickListener;
  33 import org.argeo.security.ui.admin.internal.UserTableViewer;
  34 import org.eclipse.jface.viewers.TableViewer;
  35 import org.eclipse.swt.SWT;
  36 import org.eclipse.swt.dnd.DND;
  37 import org.eclipse.swt.dnd.TextTransfer;
  38 import org.eclipse.swt.dnd.Transfer;
  39 import org.eclipse.swt.widgets.Composite;
  40 import org.osgi.framework.InvalidSyntaxException;
  41 import org.osgi.service.useradmin.Role;
  42 import org.osgi.service.useradmin.User;
  43 import org.osgi.service.useradmin.UserAdmin;
  44 import org.osgi.service.useradmin.UserAdminEvent;
  45 import org.osgi.service.useradmin.UserAdminListener;
  46
  47 /** List all groups with filter */
  48 public class GroupsView extends UsersView implements ArgeoNames {
  49         public final static String ID = SecurityAdminPlugin.PLUGIN_ID
  50                         + ".groupsView";
  51
  52         /* DEPENDENCY INJECTION */
  53         private UserAdminWrapper userAdminWrapper;
  54
  55         // UI Objects
  56         private UserTableViewer groupTableViewerCmp;
  57         private TableViewer userViewer;
  58         private List<ColumnDefinition> columnDefs = new ArrayList<ColumnDefinition>();
  59
  60         private UserAdminListener listener;
  61
  62         @Override
  63         public void createPartControl(Composite parent) {
  64                 parent.setLayout(EclipseUiUtils.noSpaceGridLayout());
  65                 // Define the displayed columns
  66                 columnDefs.add(new ColumnDefinition(new CommonNameLP(), "Common Name",
  67                                 150));
  68                 columnDefs.add(new ColumnDefinition(new UserNameLP(),
  69                                 "Distinguished Name", 300));
  70
  71                 // Create and configure the table
  72                 groupTableViewerCmp = new MyUserTableViewer(parent, SWT.MULTI
  73                                 | SWT.H_SCROLL | SWT.V_SCROLL, userAdminWrapper.getUserAdmin());
  74
  75                 groupTableViewerCmp.setColumnDefinitions(columnDefs);
  76                 groupTableViewerCmp.populate(true, false);
  77                 groupTableViewerCmp.setLayoutData(EclipseUiUtils.fillAll());
  78
  79                 // Links
  80                 userViewer = groupTableViewerCmp.getTableViewer();
  81                 userViewer.addDoubleClickListener(new UserTableDefaultDClickListener());
  82                 getViewSite().setSelectionProvider(userViewer);
  83
  84                 // Really?
  85                 groupTableViewerCmp.refresh();
  86
  87                 // Drag and drop
  88                 int operations = DND.DROP_COPY | DND.DROP_MOVE;
  89                 Transfer[] tt = new Transfer[] { TextTransfer.getInstance() };
  90                 userViewer.addDragSupport(operations, tt, new UserDragListener(
  91                                 userViewer));
  92
  93                 // Register a useradmin listener
  94                 listener = new UserAdminListener() {
  95                         @Override
  96                         public void roleChanged(UserAdminEvent event) {
  97                                 if (userViewer != null && !userViewer.getTable().isDisposed())
  98                                         refresh();
  99                         }
 100                 };
 101                 userAdminWrapper.addListener(listener);
 102         }
 103
 104         private class MyUserTableViewer extends UserTableViewer {
 105                 private static final long serialVersionUID = 8467999509931900367L;
 106
 107                 private final String[] knownProps = { UserAdminConstants.KEY_UID,
 108                                 UserAdminConstants.KEY_CN, UserAdminConstants.KEY_DN };
 109
 110                 public MyUserTableViewer(Composite parent, int style,
 111                                 UserAdmin userAdmin) {
 112                         super(parent, style, userAdmin);
 113                 }
 114
 115                 @Override
 116                 protected List<User> listFilteredElements(String filter) {
 117                         Role[] roles;
 118                         try {
 119                                 StringBuilder builder = new StringBuilder();
 120                                 StringBuilder tmpBuilder = new StringBuilder();
 121                                 if (UiAdminUtils.notNull(filter))
 122                                         for (String prop : knownProps) {
 123                                                 tmpBuilder.append("(");
 124                                                 tmpBuilder.append(prop);
 125                                                 tmpBuilder.append("=*");
 126                                                 tmpBuilder.append(filter);
 127                                                 tmpBuilder.append("*)");
 128                                         }
 129                                 if (tmpBuilder.length() > 1) {
 130                                         builder.append("(&(objectclass=groupOfNames)(|");
 131                                         builder.append(tmpBuilder.toString());
 132                                         builder.append("))");
 133                                 } else
 134                                         builder.append("(objectclass=groupOfNames)");
 135                                 roles = userAdminWrapper.getUserAdmin().getRoles(
 136                                                 builder.toString());
 137                         } catch (InvalidSyntaxException e) {
 138                                 throw new ArgeoException("Unable to get roles with filter: "
 139                                                 + filter, e);
 140                         }
 141                         List<User> users = new ArrayList<User>();
 142                         for (Role role : roles)
 143                                 // if (role.getType() == Role.GROUP)
 144                                 users.add((User) role);
 145                         return users;
 146                 }
 147         }
 148
 149         public void refresh() {
 150                 groupTableViewerCmp.refresh();
 151         }
 152
 153         // Override generic view methods
 154         @Override
 155         public void dispose() {
 156                 userAdminWrapper.removeListener(listener);
 157                 super.dispose();
 158         }
 159
 160         @Override
 161         public void setFocus() {
 162                 groupTableViewerCmp.setFocus();
 163         }
 164
 165         /* DEPENDENCY INJECTION */
 166         public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
 167                 this.userAdminWrapper = userAdminWrapper;
 168         }
 169 }