Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 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.

 */

package org.gvsig.rastertools.properties.dialog;

import java.util.ArrayList;

import java.util.Iterator;

import org.gvsig.fmap.layers.FLyrRasterSE;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.gui.panels.IRasterPropertiesRegistrable;

import com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction;

import com.iver.cit.gvsig.project.documents.view.toc.ITocItem;

import com.iver.utiles.extensionPoints.ExtensionPoint;

import com.iver.utiles.extensionPoints.ExtensionPoints;

import com.iver.utiles.extensionPoints.ExtensionPointsSingleton;

/**

 * Entrada en del men? contextual del TOC correspondiente al cuadro de 

 * propiedades del raster

 * 

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

 */

public class RasterPropertiesTocMenuEntry extends AbstractTocContextMenuAction {

        private PropertiesRasterRegistrableDialog properties = null;

        private ArrayList                         listeners  = new ArrayList();

        private FLayer                            lyr        = null;

        /**

         * Variable para controlar si los eventos de los paneles se deben interpretar.

         * En la carga inicial se deben desactivar todos los eventos

         */

        public static boolean                     enableEvents = false;

        public String getGroup() {

                return "raster";

        }

        public int getGroupOrder() {

                return 60;

        }

        public int getOrder() {

                return 0;

        }

        public String getText() {

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

        }

        /**

         * Los objetos que quieren que se ejecute su listerner deben ser registrados a

         * traves de este m?todo. Cuando se ejecute el actionPerformed se buscar?

         * todos los objetos registrados y ejecutar? el actionPerformed de cada uno,

         *

         * @param obj Objeto a registrar

         */

        public void register(Object obj) {

                if (obj instanceof IRasterPropertiesRegistrable)

                        listeners.add(obj);

        }

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

                return selectedItems.length == 1;

        }

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

                if (isTocItemBranch(item))

                        return (getNodeLayer(item) instanceof FLyrRasterSE);

                return false;

        }

        /**

         * Gestiona la apertura del dialogo de propiedades de raster cuando se pulsa

         * la opci?n asignando a este las propiedades iniciales.

         */

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

                if (selectedItems.length == 1 )

                        lyr = selectedItems[0];

                else

                        return;

                if (properties == null)

                        properties = new PropertiesRasterRegistrableDialog(lyr.getName());

                //Asigna la capa a cada panel registrado para que puedan operar

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                ExtensionPoint extensionPoint = (ExtensionPoint)extensionPoints.get("RasterSEPropertiesDialog");

                if (extensionPoint == null)

                        return;

                enableEvents = false;

                Iterator iterator = extensionPoint.keySet().iterator();

                while (iterator.hasNext()) {

                        try {

                                String key = (String) iterator.next();

                                Object obj = extensionPoint.get(key);

                                if (obj instanceof IRegistrablePanel)

                                        ((IRegistrablePanel) obj).setLayer(lyr);

                        } catch (ClassCastException e) {

                                //No se a?ade el panel y se sigue con el siguiente

                                continue;

                        }

                }

                enableEvents = true;

                PluginServices.getMDIManager().addWindow(properties);

        }

}