legacy/argeo-commons/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/NewGroup.java

   1 package org.argeo.cms.ui.workbench.internal.useradmin.commands;
   2
   3 import java.util.Dictionary;
   4 import java.util.Map;
   5
   6 import org.argeo.cms.ArgeoNames;
   7 import org.argeo.cms.CmsException;
   8 import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
   9 import org.argeo.cms.ui.workbench.internal.useradmin.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.core.commands.AbstractHandler;
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.jface.wizard.Wizard;
  18 import org.eclipse.jface.wizard.WizardDialog;
  19 import org.eclipse.jface.wizard.WizardPage;
  20 import org.eclipse.swt.SWT;
  21 import org.eclipse.swt.events.FocusEvent;
  22 import org.eclipse.swt.events.FocusListener;
  23 import org.eclipse.swt.layout.GridData;
  24 import org.eclipse.swt.layout.GridLayout;
  25 import org.eclipse.swt.widgets.Combo;
  26 import org.eclipse.swt.widgets.Composite;
  27 import org.eclipse.swt.widgets.Label;
  28 import org.eclipse.swt.widgets.Text;
  29 import org.eclipse.ui.handlers.HandlerUtil;
  30 import org.osgi.service.useradmin.Group;
  31 import org.osgi.service.useradmin.Role;
  32 import org.osgi.service.useradmin.UserAdminEvent;
  33
  34 /** Create a new group */
  35 public class NewGroup extends AbstractHandler {
  36         public final static String ID = WorkbenchUiPlugin.PLUGIN_ID + ".newGroup";
  37
  38         /* DEPENDENCY INJECTION */
  39         private UserAdminWrapper userAdminWrapper;
  40
  41         public Object execute(ExecutionEvent event) throws ExecutionException {
  42                 NewGroupWizard newGroupWizard = new NewGroupWizard();
  43                 newGroupWizard.setWindowTitle("Group creation");
  44                 WizardDialog dialog = new WizardDialog(
  45                                 HandlerUtil.getActiveShell(event), newGroupWizard);
  46                 dialog.open();
  47                 return null;
  48         }
  49
  50         private class NewGroupWizard extends Wizard {
  51
  52                 // Pages
  53                 private MainGroupInfoWizardPage mainGroupInfo;
  54
  55                 // UI fields
  56                 private Text dNameTxt, commonNameTxt, descriptionTxt;
  57                 private Combo baseDnCmb;
  58
  59                 public NewGroupWizard() {
  60                 }
  61
  62                 @Override
  63                 public void addPages() {
  64                         mainGroupInfo = new MainGroupInfoWizardPage();
  65                         addPage(mainGroupInfo);
  66                 }
  67
  68                 @SuppressWarnings({ "rawtypes", "unchecked" })
  69                 @Override
  70                 public boolean performFinish() {
  71                         if (!canFinish())
  72                                 return false;
  73                         String commonName = commonNameTxt.getText();
  74                         try {
  75                                 userAdminWrapper.beginTransactionIfNeeded();
  76                                 String dn = getDn(commonName);
  77                                 Group group = (Group) userAdminWrapper.getUserAdmin()
  78                                                 .createRole(dn, Role.GROUP);
  79                                 Dictionary props = group.getProperties();
  80                                 String descStr = descriptionTxt.getText();
  81                                 if (EclipseUiUtils.notEmpty(descStr))
  82                                         props.put(LdapAttrs.description.name(), descStr);
  83                                 userAdminWrapper.commitOrNotifyTransactionStateChange();
  84                                 userAdminWrapper.notifyListeners(new UserAdminEvent(null,
  85                                                 UserAdminEvent.ROLE_CREATED, group));
  86                                 return true;
  87                         } catch (Exception e) {
  88                                 ErrorFeedback.show("Cannot create new group " + commonName, e);
  89                                 return false;
  90                         }
  91                 }
  92
  93                 private class MainGroupInfoWizardPage extends WizardPage implements
  94                                 FocusListener, ArgeoNames {
  95                         private static final long serialVersionUID = -3150193365151601807L;
  96
  97                         public MainGroupInfoWizardPage() {
  98                                 super("Main");
  99                                 setTitle("General information");
 100                                 setMessage("Please choose a domain, provide a common name "
 101                                                 + "and a free description");
 102                         }
 103
 104                         @Override
 105                         public void createControl(Composite parent) {
 106                                 Composite bodyCmp = new Composite(parent, SWT.NONE);
 107                                 setControl(bodyCmp);
 108                                 bodyCmp.setLayout(new GridLayout(2, false));
 109
 110                                 dNameTxt = EclipseUiUtils.createGridLT(bodyCmp,
 111                                                 "Distinguished name");
 112                                 dNameTxt.setEnabled(false);
 113
 114                                 baseDnCmb = createGridLC(bodyCmp, "Base DN");
 115                                 // Initialise before adding the listener to avoid NPE
 116                                 initialiseDnCmb(baseDnCmb);
 117                                 baseDnCmb.addFocusListener(this);
 118
 119                                 commonNameTxt = EclipseUiUtils.createGridLT(bodyCmp,
 120                                                 "Common name");
 121                                 commonNameTxt.addFocusListener(this);
 122
 123                                 Label descLbl = new Label(bodyCmp, SWT.LEAD);
 124                                 descLbl.setText("Description");
 125                                 descLbl.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false,
 126                                                 false));
 127                                 descriptionTxt = new Text(bodyCmp, SWT.LEAD | SWT.MULTI
 128                                                 | SWT.WRAP | SWT.BORDER);
 129                                 descriptionTxt.setLayoutData(EclipseUiUtils.fillAll());
 130                                 descriptionTxt.addFocusListener(this);
 131
 132                                 // Initialize buttons
 133                                 setPageComplete(false);
 134                                 getContainer().updateButtons();
 135                         }
 136
 137                         @Override
 138                         public void focusLost(FocusEvent event) {
 139                                 String name = commonNameTxt.getText();
 140                                 if (EclipseUiUtils.isEmpty(name))
 141                                         dNameTxt.setText("");
 142                                 else
 143                                         dNameTxt.setText(getDn(name));
 144
 145                                 String message = checkComplete();
 146                                 if (message != null) {
 147                                         setMessage(message, WizardPage.ERROR);
 148                                         setPageComplete(false);
 149                                 } else {
 150                                         setMessage("Complete", WizardPage.INFORMATION);
 151                                         setPageComplete(true);
 152                                 }
 153                                 getContainer().updateButtons();
 154                         }
 155
 156                         @Override
 157                         public void focusGained(FocusEvent event) {
 158                         }
 159
 160                         /** @return the error message or null if complete */
 161                         protected String checkComplete() {
 162                                 String name = commonNameTxt.getText();
 163
 164                                 if (name.trim().equals(""))
 165                                         return "Common name must not be empty";
 166                                 Role role = userAdminWrapper.getUserAdmin()
 167                                                 .getRole(getDn(name));
 168                                 if (role != null)
 169                                         return "Group " + name + " already exists";
 170                                 return null;
 171                         }
 172
 173                         @Override
 174                         public void setVisible(boolean visible) {
 175                                 super.setVisible(visible);
 176                                 if (visible)
 177                                         if (baseDnCmb.getSelectionIndex() == -1)
 178                                                 baseDnCmb.setFocus();
 179                                         else
 180                                                 commonNameTxt.setFocus();
 181                         }
 182                 }
 183
 184                 private Map<String, String> getDns() {
 185                         return userAdminWrapper.getKnownBaseDns(true);
 186                 }
 187
 188                 private String getDn(String cn) {
 189                         Map<String, String> dns = getDns();
 190                         String bdn = baseDnCmb.getText();
 191                         if (EclipseUiUtils.notEmpty(bdn)) {
 192                                 Dictionary<String, ?> props = UserAdminConf.uriAsProperties(dns
 193                                                 .get(bdn));
 194                                 String dn = LdapAttrs.cn.name() + "=" + cn + ","
 195                                                 + UserAdminConf.groupBase.getValue(props) + "," + bdn;
 196                                 return dn;
 197                         }
 198                         return null;
 199                 }
 200
 201                 private void initialiseDnCmb(Combo combo) {
 202                         Map<String, String> dns = userAdminWrapper.getKnownBaseDns(true);
 203                         if (dns.isEmpty())
 204                                 throw new CmsException(
 205                                                 "No writable base dn found. Cannot create group");
 206                         combo.setItems(dns.keySet().toArray(new String[0]));
 207                         if (dns.size() == 1)
 208                                 combo.select(0);
 209                 }
 210         }
 211
 212         private Combo createGridLC(Composite parent, String label) {
 213                 Label lbl = new Label(parent, SWT.LEAD);
 214                 lbl.setText(label);
 215                 lbl.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
 216                 Combo combo = new Combo(parent, SWT.LEAD | SWT.BORDER | SWT.READ_ONLY);
 217                 combo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
 218                 return combo;
 219         }
 220
 221         /* DEPENDENCY INJECTION */
 222         public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
 223                 this.userAdminWrapper = userAdminWrapper;
 224         }
 225 }