+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.cms.ui.workbench.internal.useradmin.commands;
+
+import java.util.Dictionary;
+import java.util.Map;
+
+import org.argeo.cms.CmsException;
+import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
+import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
+import org.argeo.eclipse.ui.EclipseUiUtils;
+import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
+import org.argeo.node.ArgeoNames;
+import org.argeo.osgi.useradmin.LdifName;
+import org.argeo.osgi.useradmin.UserAdminConf;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.jface.wizard.Wizard;
+import org.eclipse.jface.wizard.WizardDialog;
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.osgi.service.useradmin.Group;
+import org.osgi.service.useradmin.Role;
+import org.osgi.service.useradmin.UserAdminEvent;
+
+/** Create a new group */
+public class NewGroup extends AbstractHandler {
+ public final static String ID = WorkbenchUiPlugin.PLUGIN_ID + ".newGroup";
+
+ /* DEPENDENCY INJECTION */
+ private UserAdminWrapper userAdminWrapper;
+
+ public Object execute(ExecutionEvent event) throws ExecutionException {
+ NewGroupWizard newGroupWizard = new NewGroupWizard();
+ newGroupWizard.setWindowTitle("Group creation");
+ WizardDialog dialog = new WizardDialog(
+ HandlerUtil.getActiveShell(event), newGroupWizard);
+ dialog.open();
+ return null;
+ }
+
+ private class NewGroupWizard extends Wizard {
+
+ // Pages
+ private MainGroupInfoWizardPage mainGroupInfo;
+
+ // UI fields
+ private Text dNameTxt, commonNameTxt, descriptionTxt;
+ private Combo baseDnCmb;
+
+ public NewGroupWizard() {
+ }
+
+ @Override
+ public void addPages() {
+ mainGroupInfo = new MainGroupInfoWizardPage();
+ addPage(mainGroupInfo);
+ }
+
+ @SuppressWarnings({ "rawtypes", "unchecked" })
+ @Override
+ public boolean performFinish() {
+ if (!canFinish())
+ return false;
+ String commonName = commonNameTxt.getText();
+ try {
+ userAdminWrapper.beginTransactionIfNeeded();
+ String dn = getDn(commonName);
+ Group group = (Group) userAdminWrapper.getUserAdmin()
+ .createRole(dn, Role.GROUP);
+ Dictionary props = group.getProperties();
+ String descStr = descriptionTxt.getText();
+ if (EclipseUiUtils.notEmpty(descStr))
+ props.put(LdifName.description.name(), descStr);
+ userAdminWrapper.commitOrNotifyTransactionStateChange();
+ userAdminWrapper.notifyListeners(new UserAdminEvent(null,
+ UserAdminEvent.ROLE_CREATED, group));
+ return true;
+ } catch (Exception e) {
+ ErrorFeedback.show("Cannot create new group " + commonName, e);
+ return false;
+ }
+ }
+
+ private class MainGroupInfoWizardPage extends WizardPage implements
+ FocusListener, ArgeoNames {
+ private static final long serialVersionUID = -3150193365151601807L;
+
+ public MainGroupInfoWizardPage() {
+ super("Main");
+ setTitle("General information");
+ setMessage("Please choose a domain, provide a common name "
+ + "and a free description");
+ }
+
+ @Override
+ public void createControl(Composite parent) {
+ Composite bodyCmp = new Composite(parent, SWT.NONE);
+ setControl(bodyCmp);
+ bodyCmp.setLayout(new GridLayout(2, false));
+
+ dNameTxt = EclipseUiUtils.createGridLT(bodyCmp,
+ "Distinguished name");
+ dNameTxt.setEnabled(false);
+
+ baseDnCmb = createGridLC(bodyCmp, "Base DN");
+ // Initialise before adding the listener to avoid NPE
+ initialiseDnCmb(baseDnCmb);
+ baseDnCmb.addFocusListener(this);
+
+ commonNameTxt = EclipseUiUtils.createGridLT(bodyCmp,
+ "Common name");
+ commonNameTxt.addFocusListener(this);
+
+ Label descLbl = new Label(bodyCmp, SWT.LEAD);
+ descLbl.setText("Description");
+ descLbl.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false,
+ false));
+ descriptionTxt = new Text(bodyCmp, SWT.LEAD | SWT.MULTI
+ | SWT.WRAP | SWT.BORDER);
+ descriptionTxt.setLayoutData(EclipseUiUtils.fillAll());
+ descriptionTxt.addFocusListener(this);
+
+ // Initialize buttons
+ setPageComplete(false);
+ getContainer().updateButtons();
+ }
+
+ @Override
+ public void focusLost(FocusEvent event) {
+ String name = commonNameTxt.getText();
+ if (EclipseUiUtils.isEmpty(name))
+ dNameTxt.setText("");
+ else
+ dNameTxt.setText(getDn(name));
+
+ String message = checkComplete();
+ if (message != null) {
+ setMessage(message, WizardPage.ERROR);
+ setPageComplete(false);
+ } else {
+ setMessage("Complete", WizardPage.INFORMATION);
+ setPageComplete(true);
+ }
+ getContainer().updateButtons();
+ }
+
+ @Override
+ public void focusGained(FocusEvent event) {
+ }
+
+ /** @return the error message or null if complete */
+ protected String checkComplete() {
+ String name = commonNameTxt.getText();
+
+ if (name.trim().equals(""))
+ return "Common name must not be empty";
+ Role role = userAdminWrapper.getUserAdmin()
+ .getRole(getDn(name));
+ if (role != null)
+ return "Group " + name + " already exists";
+ return null;
+ }
+
+ @Override
+ public void setVisible(boolean visible) {
+ super.setVisible(visible);
+ if (visible)
+ if (baseDnCmb.getSelectionIndex() == -1)
+ baseDnCmb.setFocus();
+ else
+ commonNameTxt.setFocus();
+ }
+ }
+
+ private Map<String, String> getDns() {
+ return userAdminWrapper.getKnownBaseDns(true);
+ }
+
+ private String getDn(String cn) {
+ Map<String, String> dns = getDns();
+ String bdn = baseDnCmb.getText();
+ if (EclipseUiUtils.notEmpty(bdn)) {
+ Dictionary<String, ?> props = UserAdminConf.uriAsProperties(dns
+ .get(bdn));
+ String dn = LdifName.cn.name() + "=" + cn + ","
+ + UserAdminConf.groupBase.getValue(props) + "," + bdn;
+ return dn;
+ }
+ return null;
+ }
+
+ private void initialiseDnCmb(Combo combo) {
+ Map<String, String> dns = userAdminWrapper.getKnownBaseDns(true);
+ if (dns.isEmpty())
+ throw new CmsException(
+ "No writable base dn found. Cannot create group");
+ combo.setItems(dns.keySet().toArray(new String[0]));
+ if (dns.size() == 1)
+ combo.select(0);
+ }
+ }
+
+ private Combo createGridLC(Composite parent, String label) {
+ Label lbl = new Label(parent, SWT.LEAD);
+ lbl.setText(label);
+ lbl.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
+ Combo combo = new Combo(parent, SWT.LEAD | SWT.BORDER | SWT.READ_ONLY);
+ combo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
+ return combo;
+ }
+
+ /* DEPENDENCY INJECTION */
+ public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
+ this.userAdminWrapper = userAdminWrapper;
+ }
+}
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