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                 viewer.setInput(getViewSite());
  74         }
  75
  76         @Override
  77         public void setFocus() {
  78                 viewer.getTable().setFocus();
  79         }
  80
  81         public void setUserAdminService(UserAdminService userAdminService) {
  82                 this.userAdminService = userAdminService;
  83         }
  84
  85         public String getAddNewRoleText() {
  86                 return addNewRoleText;
  87         }
  88
  89         private class RolesContentProvider implements IStructuredContentProvider {
  90
  91                 public Object[] getElements(Object inputElement) {
  92                         return userAdminService.listEditableRoles().toArray();
  93                 }
  94
  95                 public void dispose() {
  96                 }
  97
  98                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
  99                 }
 100
 101         }
 102
 103         private class UsersLabelProvider extends LabelProvider implements
 104                         ITableLabelProvider {
 105                 public String getColumnText(Object element, int columnIndex) {
 106                         return element.toString();
 107                 }
 108
 109                 public Image getColumnImage(Object element, int columnIndex) {
 110                         return null;
 111                 }
 112
 113         }
 114
 115         public String getNewRole() {
 116                 return newRole.getText();
 117         }
 118
 119         public void refresh() {
 120                 viewer.refresh();
 121                 newRole.setText(addNewRoleText);
 122         }
 123 }