com.cubeia.backoffice.web.wallet.EditCurrencies.java Source code

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Here is the source code for com.cubeia.backoffice.web.wallet.EditCurrencies.java

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/**
 * Copyright (C) 2010 Cubeia Ltd <info@cubeia.com>
 *
 * 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 com.cubeia.backoffice.web.wallet;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation;
import org.apache.wicket.feedback.ComponentFeedbackMessageFilter;
import org.apache.wicket.feedback.ContainerFeedbackMessageFilter;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.RequiredTextField;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.apache.wicket.validation.validator.RangeValidator;
import org.apache.wicket.validation.validator.StringValidator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.cubeia.backoffice.wallet.api.dto.Currency;
import com.cubeia.backoffice.wallet.api.dto.CurrencyListResult;
import com.cubeia.backoffice.wallet.client.WalletServiceClient;
import com.cubeia.backoffice.web.BasePage;
import com.cubeia.backoffice.web.util.ConfirmOnclickAttributeModifier;

@AuthorizeInstantiation({ "SUPER_USER", "WALLET_ADMIN" })
public class EditCurrencies extends BasePage {
    private static final long serialVersionUID = 1L;

    private static Logger log = LoggerFactory.getLogger(EditCurrencies.class);

    @SpringBean(name = "client.wallet-service")
    private WalletServiceClient walletService;

    /**
    * Constructor that is invoked when page is invoked without a session.
    *
    */
    @SuppressWarnings("serial")
    public EditCurrencies() {
        add(new FeedbackPanel("feedback", new ComponentFeedbackMessageFilter(EditCurrencies.this)));

        IModel<List<Currency>> currencyModel = new LoadableDetachableModel<List<Currency>>() {
            @Override
            protected List<Currency> load() {
                CurrencyListResult supportedCurrencies = walletService.getSupportedCurrencies();

                if (supportedCurrencies == null) {
                    return Collections.<Currency>emptyList();
                }

                ArrayList<Currency> curs = new ArrayList<Currency>(supportedCurrencies.getCurrencies());
                log.debug("got currencies: {}", curs);
                Collections.sort(curs, new Comparator<Currency>() {
                    @Override
                    public int compare(Currency o1, Currency o2) {
                        return o1.getCode().compareTo(o2.getCode());
                    }
                });
                return curs;
            }
        };

        add(new ListView<Currency>("currencies", currencyModel) {
            @Override
            protected void populateItem(ListItem<Currency> item) {
                final Currency c = item.getModelObject();
                item.add(new Label("code", Model.of(c.getCode())));
                item.add(new Label("digits", Model.of(c.getFractionalDigits())));

                item.add(new Link<String>("removeLink") {
                    @Override
                    public void onClick() {
                        log.debug("removing currency: {}", c);
                        walletService.removeCurrency(c.getCode());
                    }
                }.add(new ConfirmOnclickAttributeModifier("Really remove this currency?")));
            }
        });

        final CompoundPropertyModel<Currency> newCurrencyModel = new CompoundPropertyModel<Currency>(
                new Currency(null, 2));

        Form<Currency> addForm = new Form<Currency>("addForm", newCurrencyModel) {
            @Override
            protected void onSubmit() {
                Currency cur = getModelObject();
                log.debug("submit: {}", cur);

                try {
                    walletService.addCurrency(cur);
                } catch (Exception e) {
                    error("Error creating currency: " + e.getMessage());
                    return;
                }

                info("Added currency " + cur.getCode() + " with " + cur.getFractionalDigits()
                        + " fractional digits");
                newCurrencyModel.setObject(new Currency(null, 2));
            }
        };

        addForm.add(new RequiredTextField<String>("code", newCurrencyModel.<String>bind("code"))
                .add(StringValidator.exactLength(3)));
        addForm.add(new RequiredTextField<Integer>("digits", newCurrencyModel.<Integer>bind("fractionalDigits"))
                .add(new RangeValidator<Integer>(0, 8)));
        addForm.add(new FeedbackPanel("feedback", new ContainerFeedbackMessageFilter(addForm)));
        addForm.add(new WebMarkupContainer("submitButton")
                .add(new ConfirmOnclickAttributeModifier("Are you sure you want to add this currency?")));
        add(addForm);
    }

    @Override
    public String getPageTitle() {
        return "Edit supported currencies";
    }
}