com.parship.roperty.ui.NavigationViewUI.java Source code

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Here is the source code for com.parship.roperty.ui.NavigationViewUI.java

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/*
 * Roperty - An advanced property management and retrival system
 * Copyright (C) 2013 PARSHIP 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 com.parship.roperty.ui;

import com.parship.roperty.ui.command.LogoutCommand;
import com.parship.roperty.ui.navigation.Frames;
import com.parship.roperty.ui.navigation.NavigationRegistry;
import com.parship.roperty.ui.navigation.Views;
import com.parship.roperty.ui.permission.UIPermissionManager;
import com.parship.roperty.ui.permission.UserManager;
import com.parship.roperty.ui.persistence.entity.User;
import com.vaadin.annotations.AutoGenerated;
import com.vaadin.navigator.Navigator;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.server.FileResource;
import com.vaadin.server.VaadinService;
import com.vaadin.ui.AbsoluteLayout;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.MenuBar;
import com.vaadin.ui.Notification;

import java.io.File;

/**
 * TODO
 *
 * @author marc
 *         Since 18.07.2013
 */
public class NavigationViewUI extends CustomComponent implements View {

    /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */

    @AutoGenerated
    private AbsoluteLayout mainLayout;

    @AutoGenerated
    private WorkBenchSplitViewUI workBenchSplitViewUI;

    @AutoGenerated
    private MenuBar mainMenuBar;

    private static final long serialVersionUID = 1L;

    /**
     * The constructor should first build the main layout, set the
     * composition root and then do any custom initialization.
     * The constructor will not be automatically regenerated by the
     * visual editor.
     */
    public NavigationViewUI() {
        buildMainLayout();
        setCompositionRoot(mainLayout);

        /* Menu Bar */
        // User Menu
        User currentUser = UserManager.getCurrentUser();
        if (currentUser != null) {
            String basepath = VaadinService.getCurrent().getBaseDirectory().getAbsolutePath();
            FileResource resourceCloudIcon = new FileResource(
                    new File(basepath + "/WEB-INF/images/icons/111-user.png"));
            MenuBar.MenuItem userMenu = mainMenuBar.addItem(currentUser.getFullName(), null);
            userMenu.setIcon(resourceCloudIcon);
            userMenu.addItem("Logout", new LogoutCommand());
        }
    }

    @Override
    public void enter(ViewChangeEvent event) {

        if (!UIPermissionManager.getInstance().hasPermission(UserManager.getCurrentUser(), this.getClass())) {
            Notification.show("No Permission to enter this view", Notification.Type.ERROR_MESSAGE);
            event.getNavigator().navigateTo(Views.ERROR.name());
        }

        if (!UserManager.isLoggedIn()) {
            try {
                Navigator navigator = NavigationRegistry.getNavigator(Frames.MAIN);
                navigator.navigateTo(Views.LOGIN.name());
            } catch (Exception e) {
                this.setEnabled(false);
                Notification.show(e.getLocalizedMessage(), Notification.Type.ERROR_MESSAGE);
            }
        }

    }

    @AutoGenerated
    private AbsoluteLayout buildMainLayout() {
        // common part: create layout
        mainLayout = new AbsoluteLayout();
        mainLayout.setImmediate(false);
        mainLayout.setWidth("100%");
        mainLayout.setHeight("100%");

        // top-level component properties
        setWidth("100.0%");
        setHeight("100.0%");

        // mainMenuBar
        mainMenuBar = new MenuBar();
        mainMenuBar.setImmediate(false);
        mainMenuBar.setWidth("100.0%");
        mainMenuBar.setHeight("-1px");
        mainLayout.addComponent(mainMenuBar, "top:0.0px;right:0.0px;left:0.0px;");

        // workBenchSplitViewUI
        workBenchSplitViewUI = new WorkBenchSplitViewUI();
        workBenchSplitViewUI.setImmediate(false);
        workBenchSplitViewUI.setWidth("100.0%");
        workBenchSplitViewUI.setHeight("100.0%");
        mainLayout.addComponent(workBenchSplitViewUI, "top:40.0px;right:20.0px;bottom:20.0px;left:20.0px;");

        return mainLayout;
    }
}