RolesView.java

   1 package org.argeo.security.ui.admin.views;
   2
   3 import org.argeo.ArgeoException;
   4 import org.argeo.security.UserAdminService;
   5 import org.argeo.security.ui.admin.SecurityAdminPlugin;
   6 import org.argeo.security.ui.admin.commands.AddRole;
   7 import org.eclipse.jface.viewers.IStructuredContentProvider;
   8 import org.eclipse.jface.viewers.ITableLabelProvider;
   9 import org.eclipse.jface.viewers.LabelProvider;
  10 import org.eclipse.jface.viewers.TableViewer;
  11 import org.eclipse.jface.viewers.Viewer;
  12 import org.eclipse.swt.SWT;
  13 import org.eclipse.swt.graphics.Image;
  14 import org.eclipse.swt.layout.GridData;
  15 import org.eclipse.swt.layout.GridLayout;
  16 import org.eclipse.swt.widgets.Composite;
  17 import org.eclipse.swt.widgets.Event;
  18 import org.eclipse.swt.widgets.Listener;
  19 import org.eclipse.swt.widgets.Table;
  20 import org.eclipse.swt.widgets.Text;
  21 import org.eclipse.ui.IWorkbench;
  22 import org.eclipse.ui.handlers.IHandlerService;
  23 import org.eclipse.ui.part.ViewPart;
  24
  25 /** List all roles. */
  26 public class RolesView extends ViewPart {
  27         public final static String ID = "org.argeo.security.ui.admin.adminRolesView";
  28
  29         private Text newRole;
  30
  31         private TableViewer viewer;
  32         private UserAdminService userAdminService;
  33
  34         private String addNewRoleText = "<add new role here>";
  35
  36         @Override
  37         public void createPartControl(Composite parent) {
  38                 parent.setLayout(new GridLayout(1, false));
  39
  40                 // new role text field
  41                 newRole = new Text(parent, SWT.BORDER);
  42                 newRole.setText(addNewRoleText);
  43                 newRole.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  44                 // default action is add role
  45                 newRole.addListener(SWT.DefaultSelection, new Listener() {
  46                         public void handleEvent(Event evt) {
  47                                 IWorkbench iw = SecurityAdminPlugin.getDefault().getWorkbench();
  48                                 IHandlerService handlerService = (IHandlerService) iw
  49                                                 .getService(IHandlerService.class);
  50                                 try {
  51                                         handlerService.executeCommand(AddRole.COMMAND_ID, evt);
  52                                 } catch (Exception e) {
  53                                         throw new ArgeoException("Cannot execute add role command",
  54                                                         e);
  55                                 }
  56                         }
  57                 });
  58                 // select all on focus
  59                 newRole.addListener(SWT.FocusIn, new Listener() {
  60                         public void handleEvent(Event e) {
  61                                 newRole.selectAll();
  62                         }
  63                 });
  64
  65                 // roles table
  66                 Table table = new Table(parent, SWT.V_SCROLL | SWT.BORDER);
  67                 table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  68                 table.setLinesVisible(false);
  69                 table.setHeaderVisible(false);
  70                 viewer = new TableViewer(table);
  71                 viewer.setContentProvider(new RolesContentProvider());
  72                 viewer.setLabelProvider(new UsersLabelProvider());
  73                 getViewSite().setSelectionProvider(viewer);
  74                 viewer.setInput(getViewSite());
  75         }
  76
  77         @Override
  78         public void setFocus() {
  79                 viewer.getTable().setFocus();
  80         }
  81
  82         public void setUserAdminService(UserAdminService userAdminService) {
  83                 this.userAdminService = userAdminService;
  84         }
  85
  86         public String getAddNewRoleText() {
  87                 return addNewRoleText;
  88         }
  89
  90         private class RolesContentProvider implements IStructuredContentProvider {
  91
  92                 public Object[] getElements(Object inputElement) {
  93                         return userAdminService.listEditableRoles().toArray();
  94                 }
  95
  96                 public void dispose() {
  97                 }
  98
  99                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 100                 }
 101
 102         }
 103
 104         private class UsersLabelProvider extends LabelProvider implements
 105                         ITableLabelProvider {
 106                 public String getColumnText(Object element, int columnIndex) {
 107                         return element.toString();
 108                 }
 109
 110                 public Image getColumnImage(Object element, int columnIndex) {
 111                         return null;
 112                 }
 113
 114         }
 115
 116         public String getNewRole() {
 117                 return newRole.getText();
 118         }
 119
 120         public void refresh() {
 121                 viewer.refresh();
 122                 newRole.setText(addNewRoleText);
 123         }
 124 }