ProjectHeaderPanel.java

package cz.nkp.differ.gui.components;

import com.vaadin.terminal.ThemeResource;
import com.vaadin.ui.Component;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.Embedded;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Layout;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;

/**
 * Creates and populates a Component that has an image, page title, and copyright. Intended to be displayed
 * as the page header across the entire set of non-modal, non-dialog, non-tabular windows/views.
 * @author Joshua Mabrey
 * Mar 30, 2012
 */
@SuppressWarnings("serial")
public class ProjectHeaderPanel extends CustomComponent {

    /**
     * Creates the Component
     */
    public ProjectHeaderPanel() {
        Panel headerPanel = new Panel();//Create outer panel
        headerPanel.setWidth("100%");
        HorizontalLayout layout = new HorizontalLayout();//Create Layout to hold content components
        layout.setWidth("100%");
        layout.setHeight("100%");
        headerPanel.addComponent(layout);//Add content container to outer container
        Component title = createHeaderTitle();
        layout.addComponent(title);//add the created title component
        this.setCompositionRoot(headerPanel);
    }

    /**
     * A valid Header Title with copyright, page title and an anchor header image.
     * @return
     */
    private Layout createHeaderTitle() {
        Layout projectTitlePanel = new HorizontalLayout(); // Out Container for the Header Title layout
        projectTitlePanel.setHeight("100%");
        Embedded image = new Embedded(null, new ThemeResource("img/header_title_image.gif")); // Load the logo from the package resources
        image.setSizeUndefined(); // Remove any size info from the image
        VerticalLayout titleInner = new VerticalLayout();
        Label titleMain = new Label("<h1><b>NDK Image Data Validator<b></h1>", Label.CONTENT_XHTML); // Page title is large directly next to image
        titleMain.setSizeUndefined();
        Label titleCopyright = new Label("<h6>© National Library of the Czech Republic</h6>", Label.CONTENT_XHTML); // Copyright is next to image under title
        titleCopyright.setSizeUndefined();
        titleInner.addComponent(titleMain);
        titleInner.addComponent(titleCopyright);
        projectTitlePanel.addComponent(image);
        projectTitlePanel.addComponent(titleInner);
        return projectTitlePanel;
    }
}