| gvSIG desktop 1

/*

 * Created on 20-feb-2004

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

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

 *

 * Copyright (C) 2004 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 org.gvsig.app.extension;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Extension that handles the info by point tool for a selected layer set

 * @author laura

 */

public class InfoToolExtension extends Extension {

    private static final Logger logger = LoggerFactory

            .getLogger(InfoToolExtension.class);

    public void initialize() {

            IconThemeHelper.registerIcon("action", "layer-info-by-point", this);

    }

        public void execute(String s) {

        IWindow window = ApplicationLocator.getManager().getActiveWindow();

        if( window instanceof IView ) {

            IView view = (IView) window;

                    MapControl mapCtrl = view.getMapControl();

                    if (s.compareTo("INFO") == 0) {

                            mapCtrl.setTool("info");

                            view.getDocument().setModified(true);

                    }

        }

        }

        public boolean isEnabled() {

        IWindow window = ApplicationLocator.getManager().getActiveWindow();

        if (window == null) {

                        return false;

                }

                if (window instanceof IView) {

                        IView view = (IView) window;

                        MapContext mapa = view.getViewDocument().getMapContext();

                        FLayer[] layers =mapa.getLayers().getActives();

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

                                if (layers[i].isAvailable()) {

                                    return true;

                                }

                        }

                }

                return false;

        }

        public boolean isVisible() {

        IWindow window = ApplicationLocator.getManager().getActiveWindow();

        if (window == null) {

            return false;

        }

        if (window instanceof IView) {

            IView view = (IView) window;

            MapContext mapa = view.getViewDocument().getMapContext();

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

                } else {

                        return false;

                }

        }

}