Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* 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., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

package org.gvsig.raster.tools.app.basic.tool.selectrasterlayer;

import javax.swing.Icon;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

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

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

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

import org.gvsig.app.project.documents.view.toolListeners.StatusBarListener;

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

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Behavior.Behavior;

import org.gvsig.fmap.mapcontrol.tools.Behavior.MouseMovementBehavior;

import org.gvsig.fmap.mapcontrol.tools.Behavior.PointBehavior;

import org.gvsig.raster.fmap.layers.IRasterLayerActions;

import org.gvsig.raster.mainplugin.toolbar.IGenericToolBarMenuItem;

import org.gvsig.raster.tools.app.basic.RasterToolsUtil;

/**

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class SelectLayerTocMenuEntry extends AbstractTocContextMenuAction implements IGenericToolBarMenuItem {

        static private SelectLayerTocMenuEntry singleton  = null;

        FLayer lyr = null;

        public String getGroup() {

                return "RasterLayer";

        }

        public int getGroupOrder() {

                return 10;

        }

        public int getOrder() {

                return 20;

        }

        public String getText() {

                return RasterToolsUtil.getText(this, "seleccionar_capas_raster");

        }

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public SelectLayerTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new SelectLayerTocMenuEntry();

                return singleton;

        }

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

                return true;

        }

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

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (!(selectedItems[0] instanceof IRasterLayerActions))

                        return false;

                return ((IRasterLayerActions) selectedItems[0]).isActionEnabled(IRasterLayerActions.SELECT_LAYER);

        }

        /**

         * M?todo que se ejecuta cuando se pulsa la entrada en el men? contextual del TOC 

         * correspondiente a "Zoom a la resoluci?n del raster". Aqu? se crear? el mapTool si 

         * no se ha hecho antes y se cargar?.

         */

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

                AbstractViewPanel theView = (AbstractViewPanel) PluginServices.getMDIManager().getActiveWindow();

                MapControl mapCtrl = theView.getMapControl();

                // Listener de eventos de movimiento que pone las coordenadas del rat?n en

                // la barra de estado

                StatusBarListener sbl = new StatusBarListener(mapCtrl);

                loadSelectRasterListener(mapCtrl, sbl);

                mapCtrl.setTool("selectRasterLayer");

        }

        /**

         * Carga el listener de selecci?n de raster en el MapControl.

         */

        private void loadSelectRasterListener(MapControl mapCtrl, StatusBarListener sbl) {

                if (mapCtrl.getNamesMapTools().get("selectRasterLayer") == null) {

                        SelectImageListener sil = new SelectImageListener(mapCtrl);

                        mapCtrl.addBehavior("selectRasterLayer", new Behavior[] { new PointBehavior(sil), new MouseMovementBehavior(sbl) });

                        mapCtrl.setTool("selectRasterLayer");

                }

        }

        public Icon getIcon() {

                return IconThemeHelper.getImageIcon("view-select-raster-layer");

        }

}