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.filter;

import javax.swing.Icon;

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.raster.fmap.layers.FLyrRaster;

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

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

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

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

import org.gvsig.raster.tools.app.basic.tool.filter.ui.FilterDialog;

/**

 * Punto de entrada del menu para los filtros

 *

 * @version 02/05/2007

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class FilterTocMenuEntry extends AbstractTocContextMenuAction implements IGenericToolBarMenuItem {

        static private FilterTocMenuEntry singleton  = null;

        /**

         * Nadie puede crear una instancia a esta clase ?nica, hay que usar el

         * getSingleton()

         */

        private FilterTocMenuEntry() {}

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public FilterTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new FilterTocMenuEntry();

                return singleton;

        }

        public String getGroup() {

                return "RasterProcess";

        }

        public int getGroupOrder() {

                return 55;

        }

        public int getOrder() {

                return 0;

        }

        public String getText() {

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

        }

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

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

                        return false;

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

                        return false;

                if (!((ILayerState) selectedItems[0]).isOpen())

                        return false;

                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.FILTER);

        }

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

                if ((selectedItems == null) || (selectedItems.length != 1) || (!(selectedItems[0] instanceof FLyrRaster)))

                        return;

                FilterDialog rasterFilterDialog = new FilterDialog((FLyrRaster) selectedItems[0], 740, 400);

                RasterToolsUtil.addWindow(rasterFilterDialog);

        }

        public Icon getIcon() {

                return RasterToolsUtil.getIcon("layer-filter-raster");

        }

        public boolean isEnableEvents() {

                return true;

        }

}