LocalStoragePresenter.java

/*
 * Copyright (C) 2015 Language In Interaction
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package nl.ru.languageininteraction.language.client.presenter;

import com.google.gwt.storage.client.Storage;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import nl.ru.languageininteraction.language.client.listener.AppEventListner;
import nl.ru.languageininteraction.language.client.listener.PresenterEventListner;
import nl.ru.languageininteraction.language.client.view.ComplexView;

/**
 * @since Mar 10, 2015 2:43:42 PM (creation date)
 * @author Peter Withers <p.withers@psych.ru.nl>
 */
public class LocalStoragePresenter extends AbstractPresenter {

    public LocalStoragePresenter(RootLayoutPanel widgetTag) {
        super(widgetTag, new ComplexView());
    }

    @Override
    protected void setTitle(PresenterEventListner titleBarListner) {
        simpleView.addTitle("Storage Viewer", null);
    }

    @Override
    protected void setContent(final AppEventListner appEventListner) {
        ((ComplexView) simpleView).addOptionButton(new PresenterEventListner() {

            @Override
            public String getLabel() {
                return "Erase Stored Data";
            }

            @Override
            public void eventFired(Button button) {
                final Storage localStorage = Storage.getLocalStorageIfSupported();
                localStorage.clear();
                Window.Location.replace(Window.Location.getPath());
            }
        });
        ((ComplexView) simpleView).addOptionButton(new PresenterEventListner() {

            @Override
            public String getLabel() {
                return "Edit Current User Data";
            }

            @Override
            public void eventFired(Button button) {
                appEventListner.requestApplicationState(AppEventListner.ApplicationState.metadata);
            }
        });
        ((ComplexView) simpleView).addOptionButton(new PresenterEventListner() {

            @Override
            public String getLabel() {
                return AppEventListner.ApplicationState.scores.label;
            }

            @Override
            public void eventFired(Button button) {
                appEventListner.requestApplicationState(AppEventListner.ApplicationState.scores);
            }
        });

        final Storage localStorage = Storage.getLocalStorageIfSupported();
        for (int itemIndex = 0; itemIndex < localStorage.getLength(); itemIndex++) {
            final String key = localStorage.key(itemIndex);
            ((ComplexView) simpleView).addHighlightedText(key);
            ((ComplexView) simpleView).addText(localStorage.getItem(key));
        }
    }
}