de.symeda.sormas.ui.utils.AbstractSubNavigationView.java Source code

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Here is the source code for de.symeda.sormas.ui.utils.AbstractSubNavigationView.java

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/*******************************************************************************
 * SORMAS - Surveillance Outbreak Response Management & Analysis System
 * Copyright  2016-2018 Helmholtz-Zentrum fr Infektionsforschung GmbH (HZI)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *******************************************************************************/
package de.symeda.sormas.ui.utils;

import java.util.Optional;

import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.ValoTheme;

import de.symeda.sormas.ui.SubMenu;

@SuppressWarnings("serial")
public abstract class AbstractSubNavigationView extends AbstractView {

    private String params;

    private SubMenu subNavigationMenu;
    private VerticalLayout infoLayout;
    private Label infoLabel;
    private Label infoLabelSub;
    private Component subComponent;

    protected AbstractSubNavigationView(String viewName) {
        super(viewName);

        subNavigationMenu = new SubMenu();
        addComponent(subNavigationMenu);
        setExpandRatio(subNavigationMenu, 0);

        createInfoLayout().ifPresent(l -> {
            infoLayout = l;
            addHeaderComponent(l);
        });
    }

    protected Optional<VerticalLayout> createInfoLayout() {
        VerticalLayout infoLayout = new VerticalLayout();
        infoLayout.setMargin(false);
        infoLayout.setSpacing(false);
        infoLayout.setSizeUndefined();
        CssStyles.stylePrimary(infoLayout, CssStyles.CALLOUT);
        infoLabel = new Label("");
        infoLabelSub = new Label("");
        CssStyles.style(infoLabelSub, ValoTheme.LABEL_SMALL);
        infoLayout.addComponent(infoLabel);
        infoLayout.addComponent(infoLabelSub);

        return Optional.of(infoLayout);
    }

    @Override
    public void enter(ViewChangeEvent event) {
        params = event.getParameters();
        refreshMenu(subNavigationMenu, infoLabel, infoLabelSub, params);
        selectInMenu();
    }

    public abstract void refreshMenu(SubMenu menu, Label infoLabel, Label infoLabelSub, String params);

    protected void setSubComponent(Component newComponent) {
        if (subComponent != null) {
            removeComponent(subComponent);
        }
        subComponent = newComponent;
        if (subComponent != null) {
            // Make sure that the sub component is always the first component below the navigation
            addComponent(subComponent, 2);
            setExpandRatio(subComponent, 1);
        }
    }

    protected void hideInfoLabel() {
        infoLayout.setVisible(false);
    }

    public void selectInMenu() {
        subNavigationMenu.setActiveView(viewName);
    }
}