org.accelerators.activiti.admin.ui.MainView.java Source code

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Here is the source code for org.accelerators.activiti.admin.ui.MainView.java

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/*
 * BPM Technology Accelerators Development Team, BPM Technology 
 * Accelerators Community and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution 
 * for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.accelerators.activiti.admin.ui;

import com.vaadin.terminal.ThemeResource;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Embedded;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.TabSheet;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.themes.Reindeer;
import org.accelerators.activiti.admin.AdminApp;
import org.accelerators.activiti.admin.ui.i18n.Messages;

/**
 * Main view of the application
 * 
 * @author Patrick Oberg
 * 
 */
public class MainView extends VerticalLayout implements ClickListener {

    private static final long serialVersionUID = 1L;

    private AdminApp app;

    // Buttons
    private Button logout = new Button("Logout", (ClickListener) this);

    public MainView(AdminApp application) {

        // Set application
        this.app = application;

        // Setup main layout
        setStyleName(Reindeer.LAYOUT_WHITE);
        setMargin(false);
        setSpacing(false);
        setSizeFull();

        // Add header
        GridLayout header = new GridLayout(2, 1);
        header.setWidth("100%");
        header.setHeight("34px");
        addComponent(header);

        // Add header styles
        header.addStyleName(Consts.HEADER);
        header.addStyleName("header");
        header.setSpacing(true);

        // Add title to header
        GridLayout logoGrid = new GridLayout(1, 1);
        header.addComponent(logoGrid, 0, 0);
        header.setComponentAlignment(logoGrid, Alignment.MIDDLE_LEFT);

        Embedded logoImage = new Embedded(null, new ThemeResource("img/header-logo.png"));
        logoImage.setType(Embedded.TYPE_IMAGE);
        logoImage.addStyleName("header-image");
        logoGrid.addComponent(logoImage, 0, 0);
        logoGrid.setComponentAlignment(logoImage, Alignment.MIDDLE_CENTER);

        // Add logout button to header
        GridLayout logoutGrid = new GridLayout(2, 1);
        Label userLabel = new Label("Signed in as: " + app.getUser().toString());
        userLabel.addStyleName("user");
        logout.setStyleName(Reindeer.BUTTON_LINK);
        logout.addStyleName("logout");
        logoutGrid.addComponent(userLabel, 0, 0);
        logoutGrid.addComponent(logout, 1, 0);
        header.addComponent(logoutGrid, 1, 0);
        header.setComponentAlignment(logoutGrid, Alignment.TOP_RIGHT);

        // Create tab sheet
        TabSheet tabs = new TabSheet();
        tabs.setSizeFull();

        // Add tab styles
        tabs.addStyleName(Reindeer.TABSHEET_BORDERLESS);
        tabs.addStyleName(Reindeer.LAYOUT_WHITE);

        // Add task view tab
        tabs.addTab(new UserTab(app));
        tabs.addTab(new GroupTab(app));

        // Add tab sheet to layout
        addComponent(tabs);
        setExpandRatio(tabs, 1.0F);

        // Add footer text
        Label footerText = new Label(app.getMessage(Messages.Footer));
        footerText.setSizeUndefined();
        footerText.setStyleName(Reindeer.LABEL_SMALL);
        addComponent(footerText);
        setComponentAlignment(footerText, Alignment.BOTTOM_CENTER);

    }

    @Override
    public void buttonClick(ClickEvent event) {

        Button source = event.getButton();

        if (source == logout) {
            app.getMainWindow().getApplication().close();
        }
    }
}