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.

 */

/* CVS MESSAGES:

 *

 * $Id: ViewSelectionControls.java 38702 2012-08-09 18:40:20Z jjdelcerro $

 * $Log$

 * Revision 1.16  2007-03-06 16:34:02  caballero

 * Exceptions

 *

 * Revision 1.15  2007/01/04 07:24:32  caballero

 * isModified

 *

 * Revision 1.14  2006/12/27 11:08:56  fdiaz

 * Arreglado el metodo hasVectorLayers para que no se pare en los grupos de capas cuando estos no tienen capas vectoriales.

 *

 * Revision 1.13  2006/09/25 16:54:12  caballero

 * invert selection

 *

 * Revision 1.12  2006/09/20 13:17:40  jaume

 * *** empty log message ***

 *

 * Revision 1.11  2006/09/20 10:56:56  sbayarri

 * Refactorizaci�n clases View y ProjectView

 *

 * Revision 1.10  2006/09/15 10:40:03  caballero

 * extensibilidad de documentos

 *

 * Revision 1.9  2006/09/11 16:14:15  fjp

 * Invertir seleccion. Falta subirlo al branch de la 1.0

 *

 * Revision 1.8  2006/09/11 06:53:13  fjp

 * Antes del parto

 *

 * Revision 1.7  2006/09/04 16:26:54  fjp

 * Seleccionar por pol�gono

 *

 * Revision 1.6  2006/08/29 07:56:27  cesar

 * Rename the *View* family of classes to *Window* (ie: SingletonView to SingletonWindow, ViewInfo to WindowInfo, etc)

 *

 * Revision 1.5  2006/08/29 07:21:08  cesar

 * Rename com.iver.cit.gvsig.fmap.Fmap class to com.iver.cit.gvsig.fmap.MapContext

 *

 * Revision 1.4  2006/08/29 07:13:53  cesar

 * Rename class com.iver.andami.ui.mdiManager.View to com.iver.andami.ui.mdiManager.IWindow

 *

 * Revision 1.3  2006/08/18 08:40:04  jmvivo

 * Actualizado para que el isEnabled tenga en cuenta que las capas esten 'avialable'

 *

 * Revision 1.2  2006/07/27 06:20:28  jaume

 * *** empty log message ***

 *

 * Revision 1.1  2006/07/26 09:53:05  jaume

 * separadas las herramientas de selecci�n del viewControls al ViewSelectionControls

 *

 *

 */

package org.gvsig.app.extension;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

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

import org.gvsig.app.project.documents.AbstractDocument;

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

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

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.mapcontext.layers.FLayers;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * Extension that handles the simple selection tool

 *

 */

public class ViewSimpleSelectionControl extends Extension {

    private static final Logger logger = LoggerFactory

            .getLogger(ViewSimpleSelectionControl.class);

        public void initialize() {

                registerIcons();

        }

        private void registerIcons(){

                IconThemeHelper.registerIcon("action", "selection-simple-select", this);

        }

        public void execute(String actionCommand) {

            IView view = this.getView();

            if (view == null) {

                logger.info("Didn't find the view.", new Exception("Didn't find the view"));

                return;

            }

                MapControl mapCtrl = view.getMapControl();

                logger.debug("Comand : " + actionCommand);

                if (actionCommand.equalsIgnoreCase("selection-simple-select-view")) {

                        mapCtrl.setTool("pointSelection");

                        view.getViewDocument().setModified(true);

                } 

        }

        public boolean isEnabled() {

            return isVisible();

        }

        public boolean isVisible() {

            IView view = getView();

            if (view != null) {

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

                if (hasVectorLayers(mapa.getLayers())) {

                    if (singleActiveInEditing(mapa)) {

                        return false;

                    } else {

                        return true;

                    }

                } else {

                    return false;

                }

            } else {

                return false;

            }

        }

        private boolean singleActiveInEditing(MapContext mapa) {

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

            if (lyrs != null && lyrs.length == 1) {

                return lyrs[0].isEditing();

            } else {

                return false;

            }

    }

    private boolean hasVectorLayers(FLayers layers) {

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

                        FLayer lyr =layers.getLayer(i);

                        if (lyr instanceof FLayers){

                                if (hasVectorLayers((FLayers) lyr)){

                                        return true;

                                }

                        } else if (lyr instanceof FLyrVect) {

                                return true;

                        }

                }

                return false;

        }

        private IView getView() {

            IView resp = null;

            IWindow f = PluginServices.getMDIManager().getActiveWindow();

        if (f != null && f instanceof IView) {

            resp = (IView) f;

        }

        return resp;

        }

}