life.qbic.components.qOfferManager.java Source code

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Here is the source code for life.qbic.components.qOfferManager.java

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/*******************************************************************************
 * QBiC Offer Generator provides an infrastructure for creating offers using QBiC portal and
 * infrastructure. Copyright (C) 2017 Aydn Can Polatkan, 2018 Benjamin Sailer
 *
 * 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 http://www.gnu.org/licenses/.
 *******************************************************************************/

package life.qbic.components;

import com.vaadin.ui.*;
import com.vaadin.ui.GridLayout.OutOfBoundsException;
import com.vaadin.ui.GridLayout.OverlapsException;
import com.vaadin.ui.themes.ValoTheme;
import life.qbic.dbase.DBManager;
import life.qbic.dbase.Database;

import java.sql.SQLException;
import java.util.*;

import static life.qbic.components.OfferGeneratorTab.createOfferGeneratorTab;
import static life.qbic.components.OfferManagerTab.createOfferManagerTab;
import static life.qbic.components.PackageManagerTab.createPackageManagerTab;

public class qOfferManager extends CustomComponent {

    private static Database db;
    private static TabSheet managerTabs;

    // TODO: use one list of packageBeans instead of multiple lists
    private static List<String> packageNames = new ArrayList<>();
    private static List<String> packageDescriptions = new ArrayList<>();
    private static List<String> packageCounts = new ArrayList<>();
    private static List<String> packageUnitPrices = new ArrayList<>();
    private static List<String> packageTotalPrices = new ArrayList<>();

    /**
     * 
     */
    private static final long serialVersionUID = -3847280734052653158L;

    public static Database getDb() {
        return db;
    }

    static TabSheet getManagerTabs() {
        return managerTabs;
    }

    static List<String> getPackageNames() {
        return packageNames;
    }

    static List<String> getPackageDescriptions() {
        return packageDescriptions;
    }

    static List<String> getPackageCounts() {
        return packageCounts;
    }

    static List<String> getPackageUnitPrices() {
        return packageUnitPrices;
    }

    static List<String> getPackageTotalPrices() {
        return packageTotalPrices;
    }

    public qOfferManager() {
        init();
    }

    private void init() {

        DBManager.setCredentials();
        DBManager.getDatabaseInstance();
        db = Database.Instance;
        managerTabs = new TabSheet();

        /*    System.out.println(ft.format(dNow) + "  INFO  Offer Manager accessed! - User: "
                + LiferayAndVaadinUtils.getUser().getScreenName());*/

        managerTabs.addStyleName(ValoTheme.TABSHEET_FRAMED);
        managerTabs.addStyleName(ValoTheme.TABSHEET_EQUAL_WIDTH_TABS);

        final GridLayout gridLayout = new GridLayout(6, 6);
        gridLayout.setMargin(true);
        gridLayout.setSpacing(true);

        try {

            managerTabs.addTab(createOfferGeneratorTab(), "Offer Generator");
            managerTabs.addTab(createOfferManagerTab(), "Offer Manager");
            managerTabs.addTab(createPackageManagerTab(), "Package Manager");

            managerTabs.setSelectedTab(1); // show the offer manager first, since this will probably be mostly in use

            // TODO: make this more elegant
            // if one changes the tab e.g. from the offer manager to the package manager, creates a new package and goes
            // back to the offer manager tab, the package won't be updated -> workaround:
            // since the selected offer in the offer manager grid won't requery the database for the information needed, we
            // deselect the current offer (if any has been selected), so the user has to select the offer again -> information
            // for the database is queried again and e.g. the newly created packages are shown properly)
            managerTabs.addSelectedTabChangeListener((TabSheet.SelectedTabChangeListener) event -> {
                OfferManagerTab.getOfferManagerGrid().deselectAll();
                OfferManagerTab.getDetailsLayout().removeAllComponents();
            });

        } catch (SQLException e1) {
            e1.printStackTrace();
        }

        try {
            gridLayout.addComponent(managerTabs, 0, 1, 5, 1);
        } catch (OverlapsException | OutOfBoundsException e) {
            e.printStackTrace();
        }

        gridLayout.setSizeFull();
        setCompositionRoot(gridLayout);
    }
}