Clean and refactor cms.ui.workbench bundle

[lgpl/argeo-commons.git] / org.argeo.cms.ui.workbench / src / org / argeo / cms / ui / workbench / internal / useradmin / commands / DeleteUsers.java

diff --git a/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/DeleteUsers.java b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/DeleteUsers.java
new file mode 100644 (file)
index 0000000..d2c34b5
--- /dev/null
+++ b/org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/useradmin/commands/DeleteUsers.java
@@ -0,0 +1,105 @@
+/*
+ * 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.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
+import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
+import org.argeo.cms.ui.workbench.internal.useradmin.parts.UserEditorInput;
+import org.argeo.cms.util.useradmin.UserAdminUtils;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.osgi.service.useradmin.User;
+import org.osgi.service.useradmin.UserAdmin;
+import org.osgi.service.useradmin.UserAdminEvent;
+
+/** Delete the selected users */
+public class DeleteUsers extends AbstractHandler {
+       public final static String ID = WorkbenchUiPlugin.PLUGIN_ID + ".deleteUsers";
+
+       /* DEPENDENCY INJECTION */
+       private UserAdminWrapper userAdminWrapper;
+
+       @SuppressWarnings("unchecked")
+       public Object execute(ExecutionEvent event) throws ExecutionException {
+               ISelection selection = HandlerUtil.getCurrentSelection(event);
+               if (selection.isEmpty())
+                       return null;
+
+               Iterator<User> it = ((IStructuredSelection) selection).iterator();
+               List<User> users = new ArrayList<User>();
+               StringBuilder builder = new StringBuilder();
+
+               while (it.hasNext()) {
+                       User currUser = it.next();
+                       String userName = UserAdminUtils.getUsername(currUser);
+                       if (UserAdminUtils.isCurrentUser(currUser)) {
+                               MessageDialog.openError(HandlerUtil.getActiveShell(event),
+                                               "Deletion forbidden",
+                                               "You cannot delete your own user this way.");
+                               return null;
+                       }
+                       builder.append(userName).append("; ");
+                       users.add(currUser);
+               }
+
+               if (!MessageDialog.openQuestion(
+                               HandlerUtil.getActiveShell(event),
+                               "Delete Users",
+                               "Are you sure that you want to delete these users?\n"
+                                               + builder.substring(0, builder.length() - 2)))
+                       return null;
+
+               userAdminWrapper.beginTransactionIfNeeded();
+               UserAdmin userAdmin = userAdminWrapper.getUserAdmin();
+               IWorkbenchPage iwp = HandlerUtil.getActiveWorkbenchWindow(event)
+                               .getActivePage();
+
+               for (User user : users) {
+                       String userName = user.getName();
+                       // TODO find a way to close the editor cleanly if opened. Cannot be
+                       // done through the UserAdminListeners, it causes a
+                       // java.util.ConcurrentModificationException because disposing the
+                       // editor unregisters and disposes the listener
+                       IEditorPart part = iwp.findEditor(new UserEditorInput(userName));
+                       if (part != null)
+                               iwp.closeEditor(part, false);
+                       userAdmin.removeRole(userName);
+               }
+               userAdminWrapper.commitOrNotifyTransactionStateChange();
+
+               for (User user : users) {
+                       userAdminWrapper.notifyListeners(new UserAdminEvent(null,
+                                       UserAdminEvent.ROLE_REMOVED, user));
+               }
+               return null;
+       }
+
+       /* DEPENDENCY INJECTION */
+       public void setUserAdminWrapper(UserAdminWrapper userAdminWrapper) {
+               this.userAdminWrapper = userAdminWrapper;
+       }
+}
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