/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.admin.user.delete;
import java.util.ArrayList;
import java.util.List;
import org.olat.admin.user.delete.service.UserDeletionManager;
import org.olat.basesecurity.events.MultiIdentityChosenEvent;
import org.olat.basesecurity.events.SingleIdentityChosenEvent;
import org.olat.core.commons.persistence.DBFactory;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.core.gui.control.generic.closablewrapper.CloseableModalController;
import org.olat.core.gui.control.generic.modal.DialogBoxController;
import org.olat.core.gui.control.generic.modal.DialogBoxUIFactory;
import org.olat.core.id.Identity;
import org.olat.core.logging.AssertException;
/**
* Controller for 'Direct User Deletion' tab.
* @author guretzki
*/
public class DirectDeleteController extends BasicController {
private VelocityContainer myContent;
private DeletableUserSearchController usc;
private DialogBoxController deleteConfirmController;
private List<Identity> toDelete;
private UserListForm userListForm;
private BulkDeleteController bdc;
private CloseableModalController cmc;
public DirectDeleteController(UserRequest ureq, WindowControl wControl) {
super(ureq, wControl);
myContent = createVelocityContainer("directdelete");
initializeUserSearchController(ureq);
initializeUserListForm(ureq);
putInitialPanel(myContent);
}
/**
* This dispatches component events...
*
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.components.Component, org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Component source, Event event) {
if (source == userListForm && userListForm.isValid()) {
removeAsListenerAndDispose(bdc);
bdc = new BulkDeleteController(ureq, getWindowControl(), userListForm.getLogins(), userListForm.getReason());
listenTo(bdc);
removeAsListenerAndDispose(cmc);
cmc = new CloseableModalController(getWindowControl(), translate("close"), bdc.getInitialComponent());
listenTo(cmc);
cmc.activate();
}
}
/**
* This dispatches controller events...
*
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Controller sourceController, Event event) {
if (sourceController == usc) {
if (event == Event.CANCELLED_EVENT) {
removeAsListenerAndDispose(usc);
} else if (event instanceof MultiIdentityChosenEvent) {
MultiIdentityChosenEvent multiEvent = (MultiIdentityChosenEvent) event;
toDelete = multiEvent.getChosenIdentities();
if (toDelete.size() == 0) {
showError("msg.selectionempty");
return;
}
if (!UserDeletionManager.getInstance().isReadyToDelete()) {
showInfo("info.is.not.ready.to.delete");
return;
}
deleteConfirmController = activateOkCancelDialog(ureq, null, translate("readyToDelete.delete.confirm", buildUserNameList(toDelete) ), deleteConfirmController);
return;
} else if (event instanceof SingleIdentityChosenEvent) {
// single choose event may come from autocompleter user search
if (!UserDeletionManager.getInstance().isReadyToDelete()) {
showInfo("info.is.not.ready.to.delete");
return;
}
SingleIdentityChosenEvent uce = (SingleIdentityChosenEvent) event;
toDelete = new ArrayList<Identity>();
toDelete.add(uce.getChosenIdentity());
deleteConfirmController = activateOkCancelDialog(ureq, null, translate("readyToDelete.delete.confirm", uce.getChosenIdentity().getName()), deleteConfirmController);
return;
} else {
throw new AssertException("unknown event ::" + event.getCommand());
}
} else if (sourceController == deleteConfirmController) {
if (DialogBoxUIFactory.isOkEvent(event)) {
deleteIdentities(toDelete);
if (bdc != null)
bdc.sendMail(ureq);
removeAsListenerAndDispose(usc);
initializeUserSearchController(ureq);
showInfo("deleted.users.msg");
}
} else if (sourceController == bdc) {
toDelete = bdc.getToDelete();
cmc.deactivate();
removeAsListenerAndDispose(cmc);
cmc = null;
deleteConfirmController = activateOkCancelDialog(ureq, null, translate("readyToDelete.delete.confirm", buildUserNameList(toDelete)), deleteConfirmController);
} else if (sourceController == cmc) {
if (event == Event.CANCELLED_EVENT) {
cmc.deactivate();
removeAsListenerAndDispose(cmc);
cmc = null;
}
}
}
/**
* Build comma seperated list of usernames.
* @param toDelete
* @return
*/
private String buildUserNameList(List<Identity> toDeleteIdentities) {
StringBuilder buf = new StringBuilder();
for (Identity identity : toDeleteIdentities) {
if (buf.length() > 0) {
buf.append(",");
}
buf.append(identity.getName());
}
return buf.toString();
}
private void deleteIdentities(List<Identity> toDeleteIdentities) {
for (int i = 0; i < toDeleteIdentities.size(); i++) {
Identity identity = toDeleteIdentities.get(i);
UserDeletionManager.getInstance().deleteIdentity(identity);
DBFactory.getInstance().intermediateCommit();
}
}
private void initializeUserSearchController(UserRequest ureq) {
usc = new DeletableUserSearchController(ureq, getWindowControl());
listenTo(usc);
myContent.put("usersearch", usc.getInitialComponent());
myContent.contextPut("deletedusers", new ArrayList());
}
private void initializeUserListForm(UserRequest ureq) {
myContent.contextRemove("userlist");
userListForm = new UserListForm("userlist", getTranslator());
userListForm.addListener(this);
myContent.put("userlist", userListForm);
}
protected void doDispose() {
// controllers disposed by parent controller
myContent = null;
userListForm = null;
}
}