at.ait.dme.yuma.client.map.explore.KMLOverlayPanel.java Source code

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Here is the source code for at.ait.dme.yuma.client.map.explore.KMLOverlayPanel.java

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/*
 * Copyright 2008-2010 Austrian Institute of Technology
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they
 * will be approved by the European Commission - subsequent
 * versions of the EUPL (the "Licence");
 * you may not use this work except in compliance with the
 * Licence.
 * You may obtain a copy of the Licence at:
 *
 * http://ec.europa.eu/idabc/eupl
 *
 * Unless required by applicable law or agreed to in
 * writing, software distributed under the Licence is
 * distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the Licence for the specific language governing
 * permissions and limitations under the Licence.
 */

package at.ait.dme.yuma.client.map.explore;

import at.ait.dme.yuma.client.map.TiledImageComposite;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.InlineHTML;
import com.google.gwt.user.client.ui.RadioButton;

/**
 * Panel containing the GUI elements needed for the 'Exploration' KML overlay
 * feature (see {@link ExplorationComposite}).
 * 
 * @author Rainer Simon
 */
public class KMLOverlayPanel extends FlowPanel {

    /**
     * Reference to the KML layer
     */
    private KMLLayer kmlLayer;

    /**
     * Radio button group name
     */
    private static final String RADIO_GROUP = "kml";

    /**
     * KML file URLs
     */
    private static final String KML_TRADE_ROUTES = "http://dme.ait.ac.at/yuma/kml/traderoutes-mediterrenean-2nd-century.kml";
    private static final String KML_AGE_OF_DISCOVERY = "http://dme.ait.ac.at/yuma/kml/ageofdiscovery.kml";
    private static final String KML_COUNTRY_BORDERS = "http://dme.ait.ac.at/yuma/kml/country-borders.kml";
    private static final String KML_RAINERS_LOCATION = "http://geekvault.no5.at/blogloc/kml/aboutgeo.kml";

    public KMLOverlayPanel(TiledImageComposite imageComposite) {
        this.kmlLayer = imageComposite.getKMLLayer();
        setStyleName("explore-KMLOverlay");

        this.add(createRadioButton(KML_TRADE_ROUTES,
                "2nd Century Trade Routes (<a href=\"" + KML_TRADE_ROUTES + "\">KML</a>)", false));

        this.add(createRadioButton(KML_AGE_OF_DISCOVERY,
                "16th Century Famous Explorers (<a href=\"" + KML_AGE_OF_DISCOVERY + "\">KML</a>)", false));

        this.add(createRadioButton(KML_COUNTRY_BORDERS,
                "Country Borders (<a href=\"" + KML_COUNTRY_BORDERS + "\">KML</a>)", false));

        this.add(createRadioButton(KML_RAINERS_LOCATION,
                "Rainer's Live Location (<a href=\"" + KML_RAINERS_LOCATION + "\">KML</a>)", false));

        this.add(createRadioButton(null, "None", true));
    }

    private HorizontalPanel createRadioButton(final String kml, String label, boolean preselected) {
        HorizontalPanel panel = new HorizontalPanel();
        RadioButton radio = new RadioButton(RADIO_GROUP);
        radio.setValue(preselected);
        radio.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                if (kml != null) {
                    kmlLayer.showKml(kml);
                } else {
                    kmlLayer.hideKml();
                }
            }
        });
        panel.add(radio);
        panel.add(new InlineHTML(label));
        return panel;
    }

}