dhbw.ka.mwi.businesshorizon2.ui.process.contentcontainer.ContentContainerViewImpl.java Source code

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Here is the source code for dhbw.ka.mwi.businesshorizon2.ui.process.contentcontainer.ContentContainerViewImpl.java

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/*******************************************************************************
 * BusinessHorizon2
 *
 * Copyright (C) 
 * 2012-2013 Christian Gahlert, Florian Stier, Kai Westerholz,
 * Timo Belz, Daniel Dengler, Katharina Huber, Christian Scherer, Julius Hacker
 * 2013-2014 Marcel Rosenberger, Mirko Gpfrich, Annika Weis, Katharina Narlock, 
 * Volker Meier
 * 
 *
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

package dhbw.ka.mwi.businesshorizon2.ui.process.contentcontainer;

import javax.annotation.PostConstruct;

import org.springframework.beans.factory.annotation.Autowired;

import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.VerticalSplitPanel;

/**
 * Dies ist die Vaadin-Implementierung der MainView (dem Haupt-Fenster).
 * 
 * @author Julius Hacker
 *
 */
public class ContentContainerViewImpl extends VerticalSplitPanel implements ContentContainerViewInterface {
    private static final long serialVersionUID = 1L;

    @Autowired
    private ContentContainerPresenter presenter;

    private VerticalLayout content;
    private HorizontalLayout buttons;
    private Button backButton, nextButton;

    /**
     * Dies ist der Konstruktor, der von Spring nach der Initialierung der Dependencies 
     * aufgerufen wird. Er registriert sich selbst beim Presenter und initialisiert die 
     * View-Komponenten.
     * 
     * @author Julius Hacker
     */
    @PostConstruct
    public void init() {
        presenter.setView(this);

        this.setSizeFull();
        this.setSplitPosition(60, UNITS_PIXELS, true);
        this.setLocked(true);
        this.addStyleName("small");

        content = new VerticalLayout();

        backButton = new Button("Vorheriger Schritt");
        nextButton = new Button("N\u00e4chster Schritt");

        buttons = new HorizontalLayout();
        buttons.addComponent(backButton);
        buttons.addComponent(nextButton);

        backButton.addListener(new ClickListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                presenter.showPreviousStep();
            }

        });

        nextButton.addListener(new ClickListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                presenter.showNextStep();
            }

        });

        this.setFirstComponent(content);

    }

    /**
     * Diese Methode uebernimmt die Anzeige der vom Presenter vorgegebenen Maske
     * in Vaadin.
     * 
     * @author Julius Hacker
     */

    public void showContentView(ContentView contentView) {
        this.content.removeAllComponents();
        this.content.addComponent((Component) contentView);
        this.setSecondComponent(buttons);
        this.content.setSizeFull();
    }

    public void activateBack(boolean activate) {
        this.backButton.setEnabled(activate);
    }

    public void activateNext(boolean activate) {
        this.nextButton.setEnabled(activate);

    }
}