| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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 2

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.cit.gvsig.fmap.MapContext;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.cit.gvsig.project.documents.view.IProjectView;

import com.iver.cit.gvsig.project.documents.view.gui.View;

/**

 * Extensi?n que controla las operaciones de medida realizadas sobre la vista.

 *

 * @author Vicente Caballero Navarro

 */

public class MeasureExtension extends Extension {

    /* (non-Javadoc)

     * @see com.iver.andami.plugins.IExtension#initialize()

     */

    public void initialize() {

            PluginServices.getIconTheme().register(

                                "view-query-distance",

                                this.getClass().getClassLoader().getResource("images/Distancia.png")

                        );

            PluginServices.getIconTheme().register(

                                "view-query-area",

                                this.getClass().getClassLoader().getResource("images/Poligono16.png")

                        );

    }

    /* (non-Javadoc)

     * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)

     */

    public void execute(String s) {

        com.iver.andami.ui.mdiManager.IWindow view = PluginServices.getMDIManager()

                                                                   .getActiveWindow();

        if (!(view instanceof View)) {

            return;

        }

        View vista = (View) view;

        MapControl mapCtrl = vista.getMapControl();

        if (s.equals("MEDICION")) {

            mapCtrl.setTool("medicion");

        } else if (s.equals("AREA")) {

            mapCtrl.setTool("area");

        }

    }

    /* (non-Javadoc)

     * @see com.iver.andami.plugins.IExtension#isEnabled()

     */

    public boolean isEnabled() {

        com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

                                                                .getActiveWindow();

        if (f == null) {

            return false;

        }

        if (f instanceof View) {

            View vista = (View) f;

            IProjectView model = vista.getModel();

            MapContext mapa = model.getMapContext();

            FLayers layers = mapa.getLayers();

            for (int i = 0; i < layers.getLayersCount(); i++) {

                if (layers.getLayer(i).isAvailable()) {

                    return true;

                }

            }

        }

        return false;

    }

    /* (non-Javadoc)

     * @see com.iver.andami.plugins.IExtension#isVisible()

     */

    public boolean isVisible() {

        com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

                                                                .getActiveWindow();

        if (f == null) {

            return false;

        }

        if (f instanceof View) {

            View vista = (View) f;

            IProjectView model = vista.getModel();

            MapContext mapa = model.getMapContext();

            return mapa.getLayers().getLayersCount() > 0;

        }

        return false;

    }

}