EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.vaadin.view;

import java.util.List;

import com.vaadin.ui.Component;

import eu.etaxonomy.vaadin.mvp.AbstractPresenter;

import eu.etaxonomy.vaadin.mvp.AbstractView;

/**

 * A Page based on a <code>CssLayout</code> expanded to full size having a header and sub-header.

 *

 * The whole header section is build using a single <code>Label</code> for better performance.

 *

 * @author a.kohlbecker

 * @since Mar 20, 2017

 *

 */

public abstract class AbstractPageView<P extends AbstractPresenter> extends AbstractView<P>  {

    private List<Component> contentComponents = new ArrayList<>();

    private Label header;

    /**

     *

     */

    public AbstractPageView() {

        header = new Label();

        header.setStyleName(ValoTheme.LABEL_HUGE);

        header.setWidth(100, Unit.PERCENTAGE);

        header.setContentMode(ContentMode.HTML);

        setCompositionRoot(layout);

        this.setSizeFull();

    }

    public void updateHeader() {

        header.setValue("<div id=\"header\">" + getHeaderText() + "</div><div id=\"subheader\">" + getSubHeaderText() + "</div>");

    }

    }

        for(Component c : contentComponents){

            layout.removeComponent(c);

        }

    }

    protected void addContentComponent(Component component, Float expandRatio){

        contentComponents.add(component);

        layout.addComponent(component);

        if(expandRatio != null){

            layout.setExpandRatio(component, expandRatio);

        }

    }

     * Provides the sub header text

     *

     * @return

     */

    protected abstract String getHeaderText();

    /**

     * Provides the header text

     *

     * @return

     */

    protected abstract  String getSubHeaderText();

}