security/plugins/org.argeo.security.ui.admin/src/main/java/org/argeo/security/ui/admin/views/RolesView.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.views;
  17
  18 import org.argeo.ArgeoException;
  19 import org.argeo.security.UserAdminService;
  20 import org.argeo.security.ui.admin.SecurityAdminPlugin;
  21 import org.argeo.security.ui.admin.commands.AddRole;
  22 import org.eclipse.jface.viewers.IStructuredContentProvider;
  23 import org.eclipse.jface.viewers.ITableLabelProvider;
  24 import org.eclipse.jface.viewers.LabelProvider;
  25 import org.eclipse.jface.viewers.TableViewer;
  26 import org.eclipse.jface.viewers.Viewer;
  27 import org.eclipse.swt.SWT;
  28 import org.eclipse.swt.graphics.Image;
  29 import org.eclipse.swt.layout.GridData;
  30 import org.eclipse.swt.layout.GridLayout;
  31 import org.eclipse.swt.widgets.Composite;
  32 import org.eclipse.swt.widgets.Event;
  33 import org.eclipse.swt.widgets.Listener;
  34 import org.eclipse.swt.widgets.Table;
  35 import org.eclipse.swt.widgets.Text;
  36 import org.eclipse.ui.IWorkbench;
  37 import org.eclipse.ui.handlers.IHandlerService;
  38 import org.eclipse.ui.part.ViewPart;
  39
  40 /** List all roles. */
  41 public class RolesView extends ViewPart {
  42         public final static String ID = SecurityAdminPlugin.PLUGIN_ID
  43                         + ".adminRolesView";
  44
  45         private Text newRole;
  46
  47         private TableViewer viewer;
  48         private UserAdminService userAdminService;
  49
  50         private String addNewRoleText = "<add new role here>";
  51
  52         @Override
  53         public void createPartControl(Composite parent) {
  54                 parent.setLayout(new GridLayout(1, false));
  55
  56                 // new role text field
  57                 newRole = new Text(parent, SWT.BORDER);
  58                 newRole.setText(addNewRoleText);
  59                 newRole.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  60                 // default action is add role
  61                 newRole.addListener(SWT.DefaultSelection, new Listener() {
  62                         public void handleEvent(Event evt) {
  63                                 IWorkbench iw = SecurityAdminPlugin.getDefault().getWorkbench();
  64                                 IHandlerService handlerService = (IHandlerService) iw
  65                                                 .getService(IHandlerService.class);
  66                                 try {
  67                                         handlerService.executeCommand(AddRole.COMMAND_ID, evt);
  68                                 } catch (Exception e) {
  69                                         throw new ArgeoException("Cannot execute add role command",
  70                                                         e);
  71                                 }
  72                         }
  73                 });
  74                 // select all on focus
  75                 newRole.addListener(SWT.FocusIn, new Listener() {
  76                         public void handleEvent(Event e) {
  77                                 newRole.selectAll();
  78                         }
  79                 });
  80
  81                 // roles table
  82                 Table table = new Table(parent, SWT.V_SCROLL | SWT.BORDER);
  83                 table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  84                 table.setLinesVisible(false);
  85                 table.setHeaderVisible(false);
  86                 viewer = new TableViewer(table);
  87                 viewer.setContentProvider(new RolesContentProvider());
  88                 viewer.setLabelProvider(new UsersLabelProvider());
  89                 getViewSite().setSelectionProvider(viewer);
  90                 viewer.setInput(getViewSite());
  91         }
  92
  93         @Override
  94         public void setFocus() {
  95                 viewer.getTable().setFocus();
  96         }
  97
  98         public void setUserAdminService(UserAdminService userAdminService) {
  99                 this.userAdminService = userAdminService;
 100         }
 101
 102         public String getAddNewRoleText() {
 103                 return addNewRoleText;
 104         }
 105
 106         private class RolesContentProvider implements IStructuredContentProvider {
 107
 108                 public Object[] getElements(Object inputElement) {
 109                         return userAdminService.listEditableRoles().toArray();
 110                 }
 111
 112                 public void dispose() {
 113                 }
 114
 115                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 116                 }
 117
 118         }
 119
 120         private class UsersLabelProvider extends LabelProvider implements
 121                         ITableLabelProvider {
 122                 public String getColumnText(Object element, int columnIndex) {
 123                         return element.toString();
 124                 }
 125
 126                 public Image getColumnImage(Object element, int columnIndex) {
 127                         return null;
 128                 }
 129
 130         }
 131
 132         public String getNewRole() {
 133                 return newRole.getText();
 134         }
 135
 136         public void refresh() {
 137                 viewer.refresh();
 138                 newRole.setText(addNewRoleText);
 139         }
 140 }