| gvSIG desktop 1

/*

 * Created on 22-jun-2005

 *

 * 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.centerviewpoint;

import java.awt.Color;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.app.project.documents.view.ViewDocument;

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

import org.gvsig.centerviewpoint.gui.InputCoordinatesPanel;

import org.gvsig.fmap.mapcontext.MapContext;

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

/**

 * The CenterViewToPointExtension class allows to center the View over a

 * concrete point given by its coordinates.

 *

 * @author jmorell

 */

public class CenterViewToPointExtension extends Extension {

        private DefaultViewPanel vista;

        public static Color COLOR=Color.red;

        public void initialize() {

                IconThemeHelper.registerIcon("action", "view-navigation-center-view-to-point", this);

    }

    /* (non-Javadoc)

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

     */

    public void execute(String actionCommand) {

            if( "view-navigation-center-view-to-point".equalsIgnoreCase(actionCommand)) {

                        vista = (DefaultViewPanel)PluginServices.getMDIManager().getActiveWindow();

                MapContext mapContext = vista.getModel().getMapContext();

                InputCoordinatesPanel dataSelectionPanel = new InputCoordinatesPanel(mapContext);

                //dataSelectionPanel.setColor(color);

                        PluginServices.getMDIManager().addWindow(dataSelectionPanel);

            }

    }

    public DefaultViewPanel getView(){

            return vista;

    }

    /* (non-Javadoc)

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

     */

    public boolean isEnabled() {

                org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

                 .getActiveWindow();

                if (f == null) {

                    return false;

                }

                if (f.getClass() == DefaultViewPanel.class) {

                    DefaultViewPanel vista = (DefaultViewPanel) f;

                    ViewDocument 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.Extension#isVisible()

     */

    public boolean isVisible() {

                org.gvsig.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager()

                 .getActiveWindow();

                if (f == null) {

                    return false;

                }

                if (f.getClass() == DefaultViewPanel.class) {

                    DefaultViewPanel vista = (DefaultViewPanel) f;

                    ViewDocument model = vista.getModel();

                    MapContext mapa = model.getMapContext();

            if (mapa.getLayers().getLayersCount() > 0) {

                return true;

            }

            return false;

        }

                return false;

        }

}