Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.app.project.documents.view.toolListeners;

import java.awt.Image;

import java.text.NumberFormat;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.ui.mdiFrame.MainFrame;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Behavior.LineGeometry;

import org.gvsig.fmap.mapcontrol.tools.BehaviorException;

import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent;

import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent;

import org.gvsig.fmap.mapcontrol.tools.Listeners.AngleListener;

public class AngleGeometryListener implements AngleListener {

    private final MapControl mapCtrl;

    private MeasureEvent event;

    private final Image cursorImg = PluginServices.getIconTheme()

            .get("cursor-info-by-point").getImage();

    private GeometryManager geomManager = GeometryLocator.getGeometryManager();

    public AngleGeometryListener(MapControl mc) {

        this.mapCtrl = mc;

    }

    @Override

    public void point(PointEvent event) throws BehaviorException {

    }

    private void showAngleStatusBar(double angle) {

//        double angle = angleBetween2Lines(twoSegment.get(0), twoSegment.get(1));

        MainFrame mF = PluginServices.getMainFrame();

        if (mF != null) {

            NumberFormat nf = NumberFormat.getInstance();

            nf.setMaximumFractionDigits(2);

            double smallAngle;

            double bigAngle;

            if (angle>=180) {

                smallAngle = angle-180;

                bigAngle = 180 - smallAngle;

            } else {

                smallAngle = angle;

                bigAngle = 180 - smallAngle;

            }

            if (smallAngle>bigAngle) {

                double temp = bigAngle;

                bigAngle = smallAngle;

                smallAngle = temp;

            }

            mF.getStatusBar().setMessage("4",

                    "Ang.1=" + nf.format(smallAngle));

            mF.getStatusBar().setMessage("5",

                    "Ang.2=" + nf.format(bigAngle));

        }

    }

    @Override

    public void pointDoubleClick(PointEvent event) throws BehaviorException {

    }

    @Override

    public Image getImageCursor() {

        return cursorImg;

    }

    @Override

    public boolean cancelDrawing() {

        return false;

    }

    @Override

    public double angle(LineGeometry line1, LineGeometry line2, Point cuadrantPoint) {

        double angle = 0;

        try {

            angle = line1.angleWith(line2, cuadrantPoint);

            showAngleStatusBar(angle);

        } catch (Exception ex) {

            showAngleStatusBar(0);

        }

        return angle;

    }

}