eclipse/org.argeo.cms.e4/src/org/argeo/cms/e4/users/handlers/NewGroup.java

   1 package org.argeo.cms.e4.users.handlers;
   2
   3 import java.util.Dictionary;
   4 import java.util.Map;
   5
   6 import javax.inject.Inject;
   7
   8 import org.argeo.cms.CmsException;
   9 import org.argeo.cms.e4.users.UserAdminWrapper;
  10 import org.argeo.eclipse.ui.EclipseUiUtils;
  11 import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
  12 import org.argeo.osgi.useradmin.UserAdminConf;
  13 import org.argeo.util.naming.LdapAttrs;
  14 import org.eclipse.e4.core.di.annotations.Execute;
  15 import org.eclipse.jface.wizard.Wizard;
  16 import org.eclipse.jface.wizard.WizardDialog;
  17 import org.eclipse.jface.wizard.WizardPage;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.events.FocusEvent;
  20 import org.eclipse.swt.events.FocusListener;
  21 import org.eclipse.swt.layout.GridData;
  22 import org.eclipse.swt.layout.GridLayout;
  23 import org.eclipse.swt.widgets.Combo;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Display;
  26 import org.eclipse.swt.widgets.Label;
  27 import org.eclipse.swt.widgets.Text;
  28 import org.osgi.service.useradmin.Group;
  29 import org.osgi.service.useradmin.Role;
  30 import org.osgi.service.useradmin.UserAdminEvent;
  31
  32 /** Create a new group */
  33 public class NewGroup {
  34         // public final static String ID = WorkbenchUiPlugin.PLUGIN_ID + ".newGroup";
  35
  36         /* DEPENDENCY INJECTION */
  37         @Inject
  38         private UserAdminWrapper userAdminWrapper;
  39
  40         @Execute
  41         public Object execute() {
  42                 NewGroupWizard newGroupWizard = new NewGroupWizard();
  43                 newGroupWizard.setWindowTitle("Group creation");
  44                 WizardDialog dialog = new WizardDialog(Display.getCurrent().getActiveShell(), newGroupWizard);
  45                 dialog.open();
  46                 return null;
  47         }
  48
  49         private class NewGroupWizard extends Wizard {
  50
  51                 // Pages
  52                 private MainGroupInfoWizardPage mainGroupInfo;
  53
  54                 // UI fields
  55                 private Text dNameTxt, commonNameTxt, descriptionTxt;
  56                 private Combo baseDnCmb;
  57
  58                 public NewGroupWizard() {
  59                 }
  60
  61                 @Override
  62                 public void addPages() {
  63                         mainGroupInfo = new MainGroupInfoWizardPage();
  64                         addPage(mainGroupInfo);
  65                 }
  66
  67                 @SuppressWarnings({ "rawtypes", "unchecked" })
  68                 @Override
  69                 public boolean performFinish() {
  70                         if (!canFinish())
  71                                 return false;
  72                         String commonName = commonNameTxt.getText();
  73                         try {
  74                                 userAdminWrapper.beginTransactionIfNeeded();
  75                                 String dn = getDn(commonName);
  76                                 Group group = (Group) userAdminWrapper.getUserAdmin().createRole(dn, Role.GROUP);
  77                                 Dictionary props = group.getProperties();
  78                                 String descStr = descriptionTxt.getText();
  79                                 if (EclipseUiUtils.notEmpty(descStr))
  80                                         props.put(LdapAttrs.description.name(), descStr);
  81                                 userAdminWrapper.commitOrNotifyTransactionStateChange();
  82                                 userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_CREATED, group));
  83                                 return true;
  84                         } catch (Exception e) {
  85                                 ErrorFeedback.show("Cannot create new group " + commonName, e);
  86                                 return false;
  87                         }
  88                 }
  89
  90                 private class MainGroupInfoWizardPage extends WizardPage implements FocusListener {
  91                         private static final long serialVersionUID = -3150193365151601807L;
  92
  93                         public MainGroupInfoWizardPage() {
  94                                 super("Main");
  95                                 setTitle("General information");
  96                                 setMessage("Please choose a domain, provide a common name " + "and a free description");
  97                         }
  98
  99                         @Override
 100                         public void createControl(Composite parent) {
 101                                 Composite bodyCmp = new Composite(parent, SWT.NONE);
 102                                 setControl(bodyCmp);
 103                                 bodyCmp.setLayout(new GridLayout(2, false));
 104
 105                                 dNameTxt = EclipseUiUtils.createGridLT(bodyCmp, "Distinguished name");
 106                                 dNameTxt.setEnabled(false);
 107
 108                                 baseDnCmb = createGridLC(bodyCmp, "Base DN");
 109                                 // Initialise before adding the listener to avoid NPE
 110                                 initialiseDnCmb(baseDnCmb);
 111                                 baseDnCmb.addFocusListener(this);
 112
 113                                 commonNameTxt = EclipseUiUtils.createGridLT(bodyCmp, "Common name");
 114                                 commonNameTxt.addFocusListener(this);
 115
 116                                 Label descLbl = new Label(bodyCmp, SWT.LEAD);
 117                                 descLbl.setText("Description");
 118                                 descLbl.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false, false));
 119                                 descriptionTxt = new Text(bodyCmp, SWT.LEAD | SWT.MULTI | SWT.WRAP | SWT.BORDER);
 120                                 descriptionTxt.setLayoutData(EclipseUiUtils.fillAll());
 121                                 descriptionTxt.addFocusListener(this);
 122
 123                                 // Initialize buttons
 124                                 setPageComplete(false);
 125                                 getContainer().updateButtons();
 126                         }
 127
 128                         @Override
 129                         public void focusLost(FocusEvent event) {
 130                                 String name = commonNameTxt.getText();
 131                                 if (EclipseUiUtils.isEmpty(name))
 132                                         dNameTxt.setText("");
 133                                 else
 134                                         dNameTxt.setText(getDn(name));
 135
 136                                 String message = checkComplete();
 137                                 if (message != null) {
 138                                         setMessage(message, WizardPage.ERROR);
 139                                         setPageComplete(false);
 140                                 } else {
 141                                         setMessage("Complete", WizardPage.INFORMATION);
 142                                         setPageComplete(true);
 143                                 }
 144                                 getContainer().updateButtons();
 145                         }
 146
 147                         @Override
 148                         public void focusGained(FocusEvent event) {
 149                         }
 150
 151                         /** @return the error message or null if complete */
 152                         protected String checkComplete() {
 153                                 String name = commonNameTxt.getText();
 154
 155                                 if (name.trim().equals(""))
 156                                         return "Common name must not be empty";
 157                                 Role role = userAdminWrapper.getUserAdmin().getRole(getDn(name));
 158                                 if (role != null)
 159                                         return "Group " + name + " already exists";
 160                                 return null;
 161                         }
 162
 163                         @Override
 164                         public void setVisible(boolean visible) {
 165                                 super.setVisible(visible);
 166                                 if (visible)
 167                                         if (baseDnCmb.getSelectionIndex() == -1)
 168                                                 baseDnCmb.setFocus();
 169                                         else
 170                                                 commonNameTxt.setFocus();
 171                         }
 172                 }
 173
 174                 private Map<String, String> getDns() {
 175                         return userAdminWrapper.getKnownBaseDns(true);
 176                 }
 177
 178                 private String getDn(String cn) {
 179                         Map<String, String> dns = getDns();
 180                         String bdn = baseDnCmb.getText();
 181                         if (EclipseUiUtils.notEmpty(bdn)) {
 182                                 Dictionary<String, ?> props = UserAdminConf.uriAsProperties(dns.get(bdn));
 183                                 String dn = LdapAttrs.cn.name() + "=" + cn + "," + UserAdminConf.groupBase.getValue(props) + "," + bdn;
 184                                 return dn;
 185                         }
 186                         return null;
 187                 }
 188
 189                 private void initialiseDnCmb(Combo combo) {
 190                         Map<String, String> dns = userAdminWrapper.getKnownBaseDns(true);
 191                         if (dns.isEmpty())
 192                                 throw new CmsException("No writable base dn found. Cannot create group");
 193                         combo.setItems(dns.keySet().toArray(new String[0]));
 194                         if (dns.size() == 1)
 195                                 combo.select(0);
 196                 }
 197         }
 198
 199         private Combo createGridLC(Composite parent, String label) {
 200                 Label lbl = new Label(parent, SWT.LEAD);
 201                 lbl.setText(label);
 202                 lbl.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
 203                 Combo combo = new Combo(parent, SWT.LEAD | SWT.BORDER | SWT.READ_ONLY);
 204                 combo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
 205                 return combo;
 206         }
 207
 208         /* DEPENDENCY INJECTION */
 209         public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
 210                 this.userAdminWrapper = userAdminWrapper;
 211         }
 212 }