fr.ird.observe.client.action.tripMap.ZoomMoinsUIAction Maven / Gradle / Ivy

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package fr.ird.observe.client.action.tripMap;

/*-
 * #%L
 * ObServe Toolkit :: Common Client
 * %%
 * Copyright (C) 2008 - 2017 IRD, Ultreia.io
 * %%
 * 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
 * .
 * #L%
 */

import fr.ird.observe.client.MainUI;
import fr.ird.observe.client.util.tripMap.TripMapUI;
import fr.ird.observe.client.util.tripMap.TripMapUIHandler;
import java.awt.Point;
import javax.swing.KeyStroke;
import org.geotools.geometry.jts.ReferencedEnvelope;


import static fr.ird.observe.client.util.tripMap.TripMapUIHandler.ZOOM_STEP_RATIO;
import static org.nuiton.i18n.I18n.t;

/**
 * Created by tchemit on 25/08/17.
 *
 * @author Tony Chemit - [email protected]
 */
public class ZoomMoinsUIAction extends TripMapActionSupport {

    public static final String ACTION_NAME = ZoomMoinsUIAction.class.getName();

    public ZoomMoinsUIAction(MainUI mainUI) {
        super(mainUI,
              ACTION_NAME,
              t("observe.content.map.action.zoomMoins"),
              t("observe.content.map.action.zoomMoins.tip"),
              "center",
              KeyStroke.getKeyStroke("ctrl pressed L"));
    }

    @Override
    protected void actionPerformed(TripMapUI view) {

        TripMapUIHandler handler = view.getHandler();
        ReferencedEnvelope tripArea = handler.getTripArea();

        if (!tripArea.isEmpty()) {
            int notches = 1;
            ReferencedEnvelope displayArea = view.getObserveMapPane().getDisplayArea();
            double w = displayArea.getMedian(0);
            double h = displayArea.getMedian(1);
            Point zoomCenter = new Point((int) w, (int) h);
            handler.setZoomCenter(zoomCenter);
            handler.setZoomRatio(handler.getZoomRatio() * (1 + (ZOOM_STEP_RATIO * notches * -1)));
            handler.zoomApply();
        }

    }
}