com.mcparland.john.vaadin_mvn_arch.samples.MainScreen.java Source code

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Here is the source code for com.mcparland.john.vaadin_mvn_arch.samples.MainScreen.java

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package com.mcparland.john.vaadin_mvn_arch.samples;

/*
 * #%L
 * vaadin_mvn_arch-ui
 * %%
 * Copyright (C) 2014 John McParland
 * %%
 * 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.
 * #L%
 */

import com.mcparland.john.vaadin_mvn_arch.MyUI;
import com.mcparland.john.vaadin_mvn_arch.samples.about.AboutView;
import com.mcparland.john.vaadin_mvn_arch.samples.crud.SampleCrudView;

import com.vaadin.navigator.Navigator;
import com.vaadin.navigator.ViewChangeListener;
import com.vaadin.server.FontAwesome;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.HorizontalLayout;

/**
 * Content of the UI when the user is logged in.
 * 
 * 
 */
public class MainScreen extends HorizontalLayout {
    /**
     * The serialVersionUID.
     */
    private static final long serialVersionUID = 1L;
    private Menu menu;

    public MainScreen(MyUI ui) {

        setStyleName("main-screen");

        CssLayout viewContainer = new CssLayout();
        viewContainer.addStyleName("valo-content");
        viewContainer.setSizeFull();

        final Navigator navigator = new Navigator(ui, viewContainer);
        navigator.setErrorView(ErrorView.class);
        menu = new Menu(navigator);
        menu.addView(new SampleCrudView(), SampleCrudView.VIEW_NAME, SampleCrudView.VIEW_NAME, FontAwesome.EDIT);
        menu.addView(new AboutView(), AboutView.VIEW_NAME, AboutView.VIEW_NAME, FontAwesome.INFO_CIRCLE);

        navigator.addViewChangeListener(viewChangeListener);

        addComponent(menu);
        addComponent(viewContainer);
        setExpandRatio(viewContainer, 1);
        setSizeFull();
    }

    // notify the view menu about view changes so that it can display which view
    // is currently active
    ViewChangeListener viewChangeListener = new ViewChangeListener() {

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

        @Override
        public boolean beforeViewChange(ViewChangeEvent event) {
            return true;
        }

        @Override
        public void afterViewChange(ViewChangeEvent event) {
            menu.setActiveView(event.getViewName());
        }

    };
}