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