Java tutorial
/* 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.activiti.explorer.ui.management.identity; import java.io.InputStream; import java.util.Set; import org.activiti.engine.IdentityService; import org.activiti.engine.ProcessEngines; import org.activiti.engine.identity.Picture; import org.activiti.engine.identity.User; import org.activiti.explorer.Constants; import org.activiti.explorer.ExplorerApp; import org.activiti.explorer.I18nManager; import org.activiti.explorer.Messages; import org.activiti.explorer.data.LazyLoadingContainer; import org.activiti.explorer.ui.Images; import org.activiti.explorer.ui.custom.ConfirmationDialogPopupWindow; import org.activiti.explorer.ui.custom.DetailPanel; import org.activiti.explorer.ui.event.ConfirmationEvent; import org.activiti.explorer.ui.event.ConfirmationEventListener; import org.activiti.explorer.ui.event.SubmitEvent; import org.activiti.explorer.ui.event.SubmitEventListener; import org.activiti.explorer.ui.mainlayout.ExplorerLayout; import com.vaadin.terminal.StreamResource; import com.vaadin.terminal.StreamResource.StreamSource; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.Component; import com.vaadin.ui.Embedded; import com.vaadin.ui.GridLayout; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.PasswordField; import com.vaadin.ui.Table; import com.vaadin.ui.TextField; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.themes.Reindeer; /** * @author Joram Barrez */ public class UserDetailPanel extends DetailPanel implements MemberShipChangeListener { private static final long serialVersionUID = 1L; protected transient IdentityService identityService; protected I18nManager i18nManager; protected UserPage userPage; protected User user; protected boolean editingDetails; protected HorizontalLayout userDetailsLayout; protected TextField firstNameField; protected TextField lastNameField; protected TextField emailField; protected PasswordField passwordField; protected HorizontalLayout groupLayout; protected Table groupTable; protected LazyLoadingContainer groupContainer; protected GroupsForUserQuery groupsForUserQuery; protected Label noGroupsLabel; public UserDetailPanel(UserPage userPage, String userId) { this.userPage = userPage; this.i18nManager = ExplorerApp.get().getI18nManager(); this.identityService = ProcessEngines.getDefaultProcessEngine().getIdentityService(); this.user = identityService.createUserQuery().userId(userId).singleResult(); init(); } protected void init() { setSizeFull(); addStyleName(Reindeer.PANEL_LIGHT); initPageTitle(); initUserDetails(); initGroups(); initActions(); } protected void initActions() { Button createUserButton = new Button(i18nManager.getMessage(Messages.USER_CREATE)); createUserButton.setIcon(Images.USER_16); createUserButton.addListener(new ClickListener() { private static final long serialVersionUID = 1L; public void buttonClick(ClickEvent event) { NewUserPopupWindow newUserPopupWindow = new NewUserPopupWindow(); ExplorerApp.get().getViewManager().showPopupWindow(newUserPopupWindow); } }); userPage.getToolBar().removeAllButtons(); userPage.getToolBar().addButton(createUserButton); } protected void initPageTitle() { HorizontalLayout layout = new HorizontalLayout(); layout.setWidth(100, UNITS_PERCENTAGE); layout.setSpacing(true); layout.setMargin(false, false, true, false); layout.addStyleName(ExplorerLayout.STYLE_TITLE_BLOCK); addDetailComponent(layout); Embedded userImage = new Embedded(null, Images.USER_50); layout.addComponent(userImage); Label userName = new Label(user.getFirstName() + " " + user.getLastName()); userName.setSizeUndefined(); userName.addStyleName(Reindeer.LABEL_H2); layout.addComponent(userName); layout.setComponentAlignment(userName, Alignment.MIDDLE_LEFT); layout.setExpandRatio(userName, 1.0f); } protected void initUserDetails() { Label userDetailsHeader = new Label(i18nManager.getMessage(Messages.USER_HEADER_DETAILS)); userDetailsHeader.addStyleName(ExplorerLayout.STYLE_H3); userDetailsHeader.addStyleName(ExplorerLayout.STYLE_DETAIL_BLOCK); addDetailComponent(userDetailsHeader); // Details: picture and basic info userDetailsLayout = new HorizontalLayout(); userDetailsLayout.setSpacing(true); userDetailsLayout.setMargin(false, false, true, false); addDetailComponent(userDetailsLayout); populateUserDetails(); } protected void populateUserDetails() { loadPicture(); loadUserDetails(); initDetailsActions(); } protected void loadPicture() { Component pictureComponent = null; final Picture userPicture = identityService.getUserPicture(user.getId()); if (userPicture != null) { StreamResource imageresource = new StreamResource(new StreamSource() { private static final long serialVersionUID = 1L; public InputStream getStream() { return userPicture.getInputStream(); } }, user.getId() + "." + Constants.MIMETYPE_EXTENSION_MAPPING.get(userPicture.getMimeType()), ExplorerApp.get()); pictureComponent = new Embedded(null, imageresource); } else { pictureComponent = new Label(""); } pictureComponent.setHeight("200px"); pictureComponent.setWidth("200px"); pictureComponent.addStyleName(ExplorerLayout.STYLE_PROFILE_PICTURE); userDetailsLayout.addComponent(pictureComponent); userDetailsLayout.setComponentAlignment(pictureComponent, Alignment.MIDDLE_CENTER); } protected void loadUserDetails() { // Grid of details GridLayout detailGrid = new GridLayout(); detailGrid.setColumns(2); detailGrid.setSpacing(true); detailGrid.setMargin(true, true, false, true); userDetailsLayout.addComponent(detailGrid); // Details addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_ID), new Label(user.getId())); // details are non-editable if (!editingDetails) { addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_FIRSTNAME), new Label(user.getFirstName())); addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_LASTNAME), new Label(user.getLastName())); addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_EMAIL), new Label(user.getEmail())); } else { firstNameField = new TextField(null, user.getFirstName() != null ? user.getFirstName() : ""); addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_FIRSTNAME), firstNameField); firstNameField.focus(); lastNameField = new TextField(null, user.getLastName() != null ? user.getLastName() : ""); addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_LASTNAME), lastNameField); emailField = new TextField(null, user.getEmail() != null ? user.getEmail() : ""); addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_EMAIL), emailField); passwordField = new PasswordField(); Label cautionLabel = new Label(i18nManager.getMessage(Messages.USER_RESET_PASSWORD)); cautionLabel.addStyleName(Reindeer.LABEL_SMALL); HorizontalLayout passwordLayout = new HorizontalLayout(); passwordLayout.setSpacing(true); passwordLayout.addComponent(passwordField); passwordLayout.addComponent(cautionLabel); passwordLayout.setComponentAlignment(cautionLabel, Alignment.MIDDLE_LEFT); addUserDetail(detailGrid, i18nManager.getMessage(Messages.USER_PASSWORD), passwordLayout); } } protected void addUserDetail(GridLayout detailLayout, String detail, Component value) { Label label = new Label(detail + ": "); label.addStyleName(ExplorerLayout.STYLE_LABEL_BOLD); detailLayout.addComponent(label); detailLayout.addComponent(value); } protected void initDetailsActions() { VerticalLayout actionLayout = new VerticalLayout(); actionLayout.setSpacing(true); actionLayout.setMargin(false, false, false, true); userDetailsLayout.addComponent(actionLayout); if (!editingDetails) { initEditButton(actionLayout); initDeleteButton(actionLayout); } else { initSaveButton(actionLayout); } } protected void initEditButton(VerticalLayout actionLayout) { Button editButton = new Button(i18nManager.getMessage(Messages.USER_EDIT)); editButton.addStyleName(Reindeer.BUTTON_SMALL); actionLayout.addComponent(editButton); editButton.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { editingDetails = true; userDetailsLayout.removeAllComponents(); populateUserDetails(); // the layout will be populated differently since the 'editingDetails' boolean is set } }); } protected void initSaveButton(VerticalLayout actionLayout) { Button saveButton = new Button(i18nManager.getMessage(Messages.USER_SAVE)); saveButton.addStyleName(Reindeer.BUTTON_SMALL); actionLayout.addComponent(saveButton); saveButton.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { String originalFirstName = user.getFirstName(); String originalLastName = user.getLastName(); // Change data user.setFirstName(firstNameField.getValue().toString()); user.setLastName(lastNameField.getValue().toString()); user.setEmail(emailField.getValue().toString()); if (passwordField.getValue() != null && !"".equals(passwordField.getValue().toString())) { user.setPassword(passwordField.getValue().toString()); } identityService.saveUser(user); // Refresh detail panel editingDetails = false; userDetailsLayout.removeAllComponents(); populateUserDetails(); // Refresh task list (only if name was changed) if (nameChanged(originalFirstName, originalLastName)) { userPage.notifyUserChanged(user.getId()); } } }); } protected boolean nameChanged(String originalFirstName, String originalLastName) { boolean nameChanged = false; if (originalFirstName != null) { nameChanged = !originalFirstName.equals(user.getFirstName()); } else { nameChanged = user.getFirstName() != null; } if (!nameChanged) { if (originalLastName != null) { nameChanged = !originalLastName.equals(user.getLastName()); } else { nameChanged = user.getLastName() != null; } } return nameChanged; } protected void initDeleteButton(VerticalLayout actionLayout) { Button deleteButton = new Button(i18nManager.getMessage(Messages.USER_DELETE)); deleteButton.addStyleName(Reindeer.BUTTON_SMALL); actionLayout.addComponent(deleteButton); deleteButton.addListener(new ClickListener() { public void buttonClick(ClickEvent event) { ConfirmationDialogPopupWindow confirmPopup = new ConfirmationDialogPopupWindow( i18nManager.getMessage(Messages.USER_CONFIRM_DELETE, user.getId())); confirmPopup.addListener(new ConfirmationEventListener() { protected void rejected(ConfirmationEvent event) { } protected void confirmed(ConfirmationEvent event) { // Delete user from database identityService.deleteUser(user.getId()); // Update ui userPage.refreshSelectNext(); } }); ExplorerApp.get().getViewManager().showPopupWindow(confirmPopup); } }); } protected void initGroups() { HorizontalLayout groupHeader = new HorizontalLayout(); groupHeader.setWidth(100, UNITS_PERCENTAGE); groupHeader.setSpacing(true); groupHeader.setMargin(false, false, true, false); groupHeader.addStyleName(ExplorerLayout.STYLE_DETAIL_BLOCK); addDetailComponent(groupHeader); initGroupTitle(groupHeader); initAddGroupsButton(groupHeader); groupLayout = new HorizontalLayout(); // we wrap the table in a simple layout so we can remove the table easy later on groupLayout.setWidth(100, UNITS_PERCENTAGE); addDetailComponent(groupLayout); initGroupsTable(); } protected void initGroupTitle(HorizontalLayout groupHeader) { Label groupsTitle = new Label(i18nManager.getMessage(Messages.USER_HEADER_GROUPS)); groupsTitle.addStyleName(ExplorerLayout.STYLE_H3); groupHeader.addComponent(groupsTitle); } protected void initAddGroupsButton(HorizontalLayout groupHeader) { Button addRelatedContentButton = new Button(); addRelatedContentButton.addStyleName(ExplorerLayout.STYLE_ADD); groupHeader.addComponent(addRelatedContentButton); groupHeader.setComponentAlignment(addRelatedContentButton, Alignment.MIDDLE_RIGHT); addRelatedContentButton.addListener(new ClickListener() { private static final long serialVersionUID = 1L; public void buttonClick(ClickEvent event) { final GroupSelectionPopupWindow selectionPopup = new GroupSelectionPopupWindow(identityService, user.getId()); selectionPopup.addListener(new SubmitEventListener() { private static final long serialVersionUID = 1L; protected void submitted(SubmitEvent event) { Set<String> selectedGroups = selectionPopup.getSelectedGroupIds(); if (!selectedGroups.isEmpty()) { for (String groupId : selectedGroups) { identityService.createMembership(user.getId(), groupId); } notifyMembershipChanged(); } } protected void cancelled(SubmitEvent event) { } }); ExplorerApp.get().getViewManager().showPopupWindow(selectionPopup); } }); } protected void initGroupsTable() { groupsForUserQuery = new GroupsForUserQuery(identityService, this, user.getId()); if (groupsForUserQuery.size() > 0) { groupTable = new Table(); groupTable.setSortDisabled(true); groupTable.setHeight(150, UNITS_PIXELS); groupTable.setWidth(100, UNITS_PERCENTAGE); groupLayout.addComponent(groupTable); groupContainer = new LazyLoadingContainer(groupsForUserQuery, 30); groupTable.setContainerDataSource(groupContainer); groupTable.addContainerProperty("id", Button.class, null); groupTable.setColumnExpandRatio("id", 22); groupTable.addContainerProperty("name", String.class, null); groupTable.setColumnExpandRatio("name", 45); groupTable.addContainerProperty("type", String.class, null); groupTable.setColumnExpandRatio("type", 22); groupTable.addContainerProperty("actions", Component.class, null); groupTable.setColumnExpandRatio("actions", 11); groupTable.setColumnAlignment("actions", Table.ALIGN_CENTER); } else { noGroupsLabel = new Label(i18nManager.getMessage(Messages.USER_NO_GROUPS)); groupLayout.addComponent(noGroupsLabel); } } public void notifyMembershipChanged() { groupLayout.removeAllComponents(); initGroupsTable(); } }