GPMapLiteExportProjectWidget.java

/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   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/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.gui.client.widget;

import com.extjs.gxt.ui.client.Registry;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import org.geosdi.geoplatform.gui.client.i18n.MapLiteModuleConstants;
import org.geosdi.geoplatform.gui.client.model.projects.GPClientProject;
import org.geosdi.geoplatform.gui.configuration.map.client.GPCoordinateReferenceSystem;
import org.geosdi.geoplatform.gui.configuration.users.options.member.UserSessionEnum;
import org.geosdi.geoplatform.gui.factory.map.GPApplicationMap;
import org.geosdi.geoplatform.gui.global.security.IGPAccountDetail;
import org.gwtopenmaps.openlayers.client.LonLat;
import org.gwtopenmaps.openlayers.client.Map;

/**
 * @author Nazzareno Sileno - CNR IMAA geoSDI Group
 * @email nazzareno.sileno@geosdi.org
 */
public class GPMapLiteExportProjectWidget extends GeoPlatformWindow {

    private final short ABOUT_WIDTH = 300;
    private final short ABOUT_HEIGHT = 180;

    private final String shareJSScriptPath = GWT.getModuleBaseURL() + "share42/share42.js";
    private HTMLPanel sharePanel;
    private Anchor mapLiteAnchor;
    private VerticalPanel vp;

    public GPMapLiteExportProjectWidget() {
        super(true);
    }

    @Override
    public void addComponent() {
        mapLiteAnchor = new Anchor(MapLiteModuleConstants.INSTANCE.GPMapLiteExportProjectWidget_linkText());
        mapLiteAnchor.addClickHandler(new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                mapLiteAnchor.setHref(generateMapLiteURL());
            }

        });
        mapLiteAnchor.setTarget("_blank");
        vp = new VerticalPanel();
        vp.setSpacing(5);
        vp.add(mapLiteAnchor);
        sharePanel = new HTMLPanel("<div class=\"share42init\" data-tile=\"Map Lite\" data-url=\"" + generateMapLiteURL() + "\"></div>"
                + "<script type=\"text/javascript\" src=\"" + shareJSScriptPath + "\"></script>");
        vp.add(sharePanel);
        super.add(vp);
    }

    private String generateMapLiteURL() {
        IGPAccountDetail accountDetail = Registry.get(UserSessionEnum.ACCOUNT_DETAIL_IN_SESSION.name());
        GPClientProject clientProject = (GPClientProject) Registry.get(UserSessionEnum.CURRENT_PROJECT_ON_TREE.name());
        StringBuilder mapLiteURL = new StringBuilder();
        mapLiteURL.append(MapLiteModuleConstants.INSTANCE.MAP_LITE_APPLICATION_URL());
        mapLiteURL.append("?mapID=");
        mapLiteURL.append(clientProject.getId());
        mapLiteURL.append("-");
        mapLiteURL.append(accountDetail.getId());
        mapLiteURL.append("&x=");
        Map map = GPApplicationMap.getInstance().getApplicationMap().getMap();
        LonLat lonLat = map.getCenter();
        lonLat.transform(map.getProjection(), GPCoordinateReferenceSystem.WGS_84.getCode());
        mapLiteURL.append(lonLat.lon());
        mapLiteURL.append("&y=");
        mapLiteURL.append(lonLat.lat());
        mapLiteURL.append("&zoom=");
        mapLiteURL.append(map.getZoom());
        mapLiteURL.append("&baseMap=");
        mapLiteURL.append(accountDetail.getBaseLayer());
        return mapLiteURL.toString();
    }

    @Override
    public void initSize() {
        super.setSize(ABOUT_WIDTH + 10, ABOUT_HEIGHT + 10);
    }

    @Override
    public void setWindowProperties() {
        super.setHeadingText("Map Lite Link");
        super.setBodyStyle("background-color:white");
        super.setResizable(Boolean.FALSE);
    }

    @Override
    public void show() {
        super.show();
        vp.remove(sharePanel);
        sharePanel = new HTMLPanel("<div class=\"share42init\" data-tile=\"Map Lite\" data-url=\"" + generateMapLiteURL() + "\"></div>"
                + "<script type=\"text/javascript\" src=\"" + shareJSScriptPath + "\"></script>");
        vp.add(sharePanel);
        updateSocialLinks();
    }

    private static native void updateSocialLinks() /*-{
     $wnd.share42();
     }-*/;

}