me.uni.emuseo.view.users.UserLayout.java Source code

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Here is the source code for me.uni.emuseo.view.users.UserLayout.java

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/*******************************************************************************
 * Copyright (c) 2016 Darian Jakubik.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Darian Jakubik - initial API and implementation
 ******************************************************************************/
package me.uni.emuseo.view.users;

import java.util.List;

import me.uni.emuseo.EMuseoUtil;
import me.uni.emuseo.model.users.UserDTO;
import me.uni.emuseo.model.users.UserSearchDTO;
import me.uni.emuseo.service.UserService;
import me.uni.emuseo.view.common.ExpandingPanel;
import me.uni.emuseo.view.common.form.InvalidBeanException;
import me.uni.emuseo.view.common.helpers.ConfirmationWindow;
import me.uni.emuseo.view.common.paging.LazyLoadable;
import me.uni.emuseo.view.common.paging.PagedTableLayout;
import me.uni.emuseo.view.common.search.SearchBeanChangeEvent;
import me.uni.emuseo.view.common.search.SearchBeanChangeListener;
import me.uni.emuseo.view.common.search.SearchBeanClearEvent;
import me.uni.emuseo.view.users.form.UserSearchFormLayout;

import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.server.FontAwesome;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;

public class UserLayout extends VerticalLayout implements View, SearchBeanChangeListener<UserSearchDTO> {

    /**
     * 
     */
    private static final long serialVersionUID = -5422410290307286209L;
    private UserSearchFormLayout userSearchFormLayout;
    private UserTable userTable;
    private PagedTableLayout<UserDTO> pagedTableLayout;
    private Button addButton;
    private ExpandingPanel searchPanel;
    private ExpandingPanel userPanel;
    private UserService userService;

    public UserLayout() {

        userService = EMuseoUtil.getAppContext().getBean(UserService.class);

        userSearchFormLayout = new UserSearchFormLayout();
        userSearchFormLayout.addSearchBeanChangeListener(this);
        searchPanel = new ExpandingPanel();
        searchPanel.setContent(userSearchFormLayout);
        searchPanel.setCaption("Wyszukaj uytkownika");

        createTable();
        userTable.setWidth(100, Unit.PERCENTAGE);
        userTable.setPageLength(5);
        userTable.addStyleName("small");
        pagedTableLayout = new PagedTableLayout<UserDTO>(userTable, new UserLazyLoadable(userService));

        userPanel = new ExpandingPanel();
        userPanel.setContent(pagedTableLayout);
        userPanel.setCaption("Uytkownicy");
        userPanel.setExpanded(true);

        addButton = new Button("Dodaj uytkownika");
        addButton.setIcon(FontAwesome.PLUS);
        addButton.addStyleName("emuseo-button-icon");
        addButton.addStyleName("emuseo-button-margin");
        addButton.setWidth(100, Unit.PERCENTAGE);

        addComponent(searchPanel);
        addComponent(userPanel);
        addComponent(addButton);

        addButton.addClickListener(new ClickListener() {

            /**
             * 
             */
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                UserPopUpWindow userPopUpWidow = new UserPopUpWindow(new UserDTO(), "Dodaj uytkownika") {
                    private static final long serialVersionUID = 3776311059670953585L;

                    @Override
                    protected boolean onSave(UserDTO bean) throws InvalidBeanException {
                        userService.addUser(bean);
                        pagedTableLayout.refresh();
                        return true;
                    }
                };
                UI.getCurrent().addWindow(userPopUpWidow);
            }
        });
    }

    private void createTable() {
        userTable = new UserTable() {

            private static final long serialVersionUID = 4201722098147104008L;

            @Override
            protected void onEdit(UserDTO itemId) {
                UserDTO exhibit = userService.getUser(itemId.getUserId());
                UserPopUpWindow userPopUpWidow = new UserPopUpWindow(exhibit, "Edytuj uytkownika") {
                    private static final long serialVersionUID = 3776311059670953584L;

                    @Override
                    protected boolean onSave(UserDTO bean) throws InvalidBeanException {
                        userService.editUser(bean);
                        pagedTableLayout.refreshPage();
                        return true;
                    }
                };
                UI.getCurrent().addWindow(userPopUpWidow);
            }

            @Override
            protected void onDelete(final UserDTO itemId) {
                ConfirmationWindow confirmationWindow = new ConfirmationWindow("Usu uytkownika",
                        "Czy na pewno chcesz usun uytkownika: " + itemId.getFirstName() + " "
                                + itemId.getLastName() + "?") {

                    private static final long serialVersionUID = -39445547305022448L;

                    @Override
                    protected boolean onConfirm() {
                        userService.deleteUser(itemId.getUserId());
                        pagedTableLayout.refresh();
                        return true;
                    }
                };
                UI.getCurrent().addWindow(confirmationWindow);
            }
        };
    }

    @Override
    public void enter(ViewChangeEvent event) {
    }

    @Override
    public void onSearchBeanChange(SearchBeanChangeEvent<UserSearchDTO> event) {
        pagedTableLayout.refresh();
    }

    @Override
    public void onSearchBeanClear(SearchBeanClearEvent<UserSearchDTO> event) {
        pagedTableLayout.refresh();
    }

    private final class UserLazyLoadable implements LazyLoadable<UserDTO> {

        private UserService userService;

        public UserLazyLoadable(UserService userService) {
            this.userService = userService;
        }

        @Override
        public int getItemsCount() {
            UserSearchDTO searchBean = userSearchFormLayout.getSearchBean();
            return userService.getUsersCount(searchBean).intValue();
        }

        @Override
        public List<UserDTO> getItems(int startIndex, int count) {
            UserSearchDTO searchBean = userSearchFormLayout.getSearchBean();
            return userService.getUsers(startIndex, count, searchBean);
        }
    }

}