ch.sebastienzurfluh.swissmuseum.core.client.view.GroupLabelWidget.java Source code

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Here is the source code for ch.sebastienzurfluh.swissmuseum.core.client.view.GroupLabelWidget.java

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/*
 * Copyright 2012-2013 Sebastien Zurfluh
 * 
 * This file is part of "Parcours".
 * 
 * "Parcours" 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.
 * 
 * "Parcours" 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 "Parcours".  If not, see <http://www.gnu.org/licenses/>.
 */

package ch.sebastienzurfluh.swissmuseum.core.client.view;

import ch.sebastienzurfluh.swissmuseum.core.client.model.Model;
import ch.sebastienzurfluh.swissmuseum.core.client.model.structure.MenuData;
import ch.sebastienzurfluh.swissmuseum.core.client.patterns.Observable;
import ch.sebastienzurfluh.swissmuseum.core.client.patterns.Observer;

import com.google.gwt.user.client.ui.Label;

/**
 * This widget shows the current group label.
 * @author Sebastien Zurfluh
 *
 */
public class GroupLabelWidget extends Label implements Observer {
    Model model;

    public GroupLabelWidget(Model model) {
        this.model = model;

        setVisible(false);
        setStyleName("navigationWidget-bookletLink");

        model.currentGroupMenuObservable.subscribeObserver(this);
    }

    @Override
    public void notifyObserver(Observable source) {
        if (model.getCurrentGroupMenu().equals(MenuData.NONE)) {
            setVisible(false);
        } else {
            setVisible(true);
            setText(model.getCurrentGroupMenu().getTitle());
        }

    }
}