Java tutorial
/** * Copyright 2013 Tommi S.E. Laukkanen * * 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.vaadin.addons.sitekit.viewlet.administrator.user; import org.vaadin.addons.sitekit.dao.UserDao; import org.vaadin.addons.sitekit.flow.AbstractFlowlet; import org.vaadin.addons.sitekit.grid.FieldDescriptor; import org.vaadin.addons.sitekit.grid.FilterDescriptor; import org.vaadin.addons.sitekit.grid.FormattingTable; import org.vaadin.addons.sitekit.grid.Grid; import org.vaadin.addons.sitekit.model.Company; import org.vaadin.addons.sitekit.model.Group; import org.vaadin.addons.sitekit.model.Privilege; import org.vaadin.addons.sitekit.model.User; import org.vaadin.addons.sitekit.site.SiteFields; import org.vaadin.addons.sitekit.util.ContainerUtil; import com.vaadin.data.util.filter.Compare; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.GridLayout; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Table; import org.vaadin.addons.lazyquerycontainer.EntityContainer; import javax.persistence.EntityManager; import java.util.ArrayList; import java.util.Date; import java.util.List; /** * User list Flowlet. * * @author Tommi S.E. Laukkanen */ public final class UsersFlowlet extends AbstractFlowlet { /** Serial version UID. */ private static final long serialVersionUID = 1L; /** The container. */ private EntityContainer<User> container; /** The grid. */ private Grid grid; @Override public String getFlowletKey() { return "users"; } @Override public boolean isDirty() { return false; } @Override public boolean isValid() { return true; } @Override public void initialize() { final List<FieldDescriptor> fieldDescriptors = SiteFields.getFieldDescriptors(User.class); final List<FilterDescriptor> filterDefinitions = new ArrayList<FilterDescriptor>(); final EntityManager entityManager = getSite().getSiteContext().getObject(EntityManager.class); container = new EntityContainer<User>(entityManager, true, false, false, User.class, 1000, new String[] { "lastName", "firstName" }, new boolean[] { true, true }, "userId"); ContainerUtil.addContainerProperties(container, fieldDescriptors); final GridLayout gridLayout = new GridLayout(1, 2); gridLayout.setSizeFull(); gridLayout.setMargin(false); gridLayout.setSpacing(true); gridLayout.setRowExpandRatio(1, 1f); setViewContent(gridLayout); final HorizontalLayout buttonLayout = new HorizontalLayout(); buttonLayout.setSpacing(true); buttonLayout.setSizeUndefined(); gridLayout.addComponent(buttonLayout, 0, 0); final Table table = new FormattingTable(); grid = new Grid(table, container); grid.setFields(fieldDescriptors); grid.setFilters(filterDefinitions); table.setColumnCollapsed("created", true); table.setColumnCollapsed("modified", true); table.setColumnCollapsed("passwordHash", true); table.setColumnCollapsed("openIdIdentifier", true); gridLayout.addComponent(grid, 0, 1); final Button addButton = getSite().getButton("add"); buttonLayout.addComponent(addButton); addButton.addClickListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final User user = new User(); user.setCreated(new Date()); user.setModified(user.getCreated()); user.setOwner((Company) getSite().getSiteContext().getObject(Company.class)); final UserFlowlet userView = getFlow().getFlowlet(UserFlowlet.class); userView.edit(user, true); getFlow().forward(UserFlowlet.class); } }); final Button editButton = getSite().getButton("edit"); buttonLayout.addComponent(editButton); editButton.addClickListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final User entity = container.getEntity(grid.getSelectedItemId()); final UserFlowlet userView = getFlow().getFlowlet(UserFlowlet.class); userView.edit(entity, false); getFlow().forward(UserFlowlet.class); } }); final Button removeButton = getSite().getButton("remove"); buttonLayout.addComponent(removeButton); removeButton.addClickListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final User entity = container.getEntity(grid.getSelectedItemId()); final List<Group> groups = UserDao.getUserGroups(entityManager, (Company) getSite().getSiteContext().getObject(Company.class), entity); for (final Group group : groups) { UserDao.removeGroupMember(entityManager, group, entity); } final List<Privilege> privileges = UserDao.getUserPrivileges(entityManager, entity); for (final Privilege privilege : privileges) { UserDao.removeUserPrivilege(entityManager, entity, privilege.getKey(), privilege.getDataId()); } container.removeItem(grid.getSelectedItemId()); container.commit(); } }); final Button lockButton = getSite().getButton("lock"); lockButton.setImmediate(true); buttonLayout.addComponent(lockButton); lockButton.addClickListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final User user = container.getEntity(grid.getSelectedItemId()); user.setLockedOut(true); UserDao.updateUser(entityManager, entityManager.merge(user)); container.refresh(); } }); final Button unlockButton = getSite().getButton("unlock"); unlockButton.setImmediate(true); buttonLayout.addComponent(unlockButton); unlockButton.addClickListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final User user = container.getEntity(grid.getSelectedItemId()); user.setLockedOut(false); user.setFailedLoginCount(0); UserDao.updateUser(entityManager, entityManager.merge(user)); container.refresh(); } }); final Company company = getSite().getSiteContext().getObject(Company.class); container.removeDefaultFilters(); container.addDefaultFilter(new Compare.Equal("owner.companyId", company.getCompanyId())); grid.refresh(); } @Override public void enter() { container.refresh(); } }