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.toc.actions;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.extension.ProjectExtension;

import org.gvsig.app.project.Project;

import org.gvsig.app.project.documents.view.toc.AbstractTocContextMenuAction;

import org.gvsig.app.project.documents.view.toc.ITocItem;

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

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

import org.gvsig.fmap.mapcontext.layers.operations.LayerCollection;

import org.gvsig.fmap.mapcontext.layers.operations.LayerNotFoundInCollectionException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/* CVS MESSAGES:

 *

 * $Id: LayersUngroupTocMenuEntry.java 39575 2013-01-09 12:28:47Z jldominguez $

 * $Log$

 * Revision 1.6  2007-01-04 07:24:31  caballero

 * isModified

 *

 * Revision 1.5  2006/10/02 13:52:34  jaume

 * organize impots

 *

 * Revision 1.4  2006/09/25 15:24:26  jmvivo

 * * Modificada la implementacion.

 *

 * Revision 1.3  2006/09/20 12:01:24  jaume

 * *** empty log message ***

 *

 * Revision 1.2  2006/09/20 11:41:20  jaume

 * *** empty log message ***

 *

 * Revision 1.1  2006/09/15 10:41:30  caballero

 * extensibilidad de documentos

 *

 * Revision 1.1  2006/09/12 15:58:14  jorpiell

 * "Sacadas" las opcines del men? de FPopupMenu

 *

 *

 */

/**

 * Realiza una desagrupaci?n de capas, a partir de las capas que se encuentren activas.

 *

 * @author Vicente Caballero Navarro

 */

public class LayersUngroupTocMenuEntry extends AbstractTocContextMenuAction {

        /**

         * Useful for debug the problems during the implementation.

         */

        private static Logger logger = LoggerFactory.getLogger(LayersUngroupTocMenuEntry.class);

        public String getGroup() {

                return "group4"; //FIXME

        }

        public int getGroupOrder() {

                return 40;

        }

        public int getOrder() {

                return 1;

        }

        public String getText() {

                return PluginServices.getText(this, "desagrupar_capas");

        }

        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {

                return true;

        }

        public boolean isVisible(ITocItem item, FLayer[] selectedItems) {

                FLayer lyr = getNodeLayer(item);

                if (!(lyr instanceof FLayers) || (lyr instanceof FLayers && lyr.getParentLayer() == null)){

                        return false;

                }

                return true;

        }

        public void execute(ITocItem item, FLayer[] selectedItems) {

                if (isTocItemBranch(item)){

                        FLayers agrupa = (FLayers)getNodeLayer(item);

                        FLayers parent=agrupa.getParentLayer();

                        if (parent!=null){

                                getMapContext().beginAtomicEvent();

                                int insert_pos = getPositionForUngrouped(agrupa);

                                parent.removeLayer(agrupa);

                                while (agrupa.getLayersCount() > 0) {

                                    FLayer layer = agrupa.getLayer(0);

                                    agrupa.removeLayer(layer);

                                    parent.addLayer(insert_pos, layer);

                                    insert_pos++;

                                }

                                getMapContext().endAtomicEvent();

                                // TRUCO PARA REFRESCAR.

                                getMapContext().invalidate();

                                Project project=((ProjectExtension)PluginServices.getExtension(ProjectExtension.class)).getProject();

                                project.setModified(true);

                        }

                }

        }

    /**

     * Tells the starting position of children when FLayers provided is ungrouped

     * @param agrupa

     * @return

     */

    private int getPositionForUngrouped(FLayers lyr) {

        FLayers pare = lyr.getParentLayer();

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

            if (pare.getLayer(i) == lyr) {

                return i;

            }

        }

        return 0;

    }

}