| gvSIG desktop 1

/* 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.rasterresolution;

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

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

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

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.ProjectExtension;

import com.iver.cit.gvsig.fmap.MapControl;

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

import com.iver.cit.gvsig.fmap.tools.Behavior.Behavior;

import com.iver.cit.gvsig.fmap.tools.Behavior.MouseMovementBehavior;

import com.iver.cit.gvsig.fmap.tools.Behavior.PointBehavior;

import com.iver.cit.gvsig.project.Project;

import com.iver.cit.gvsig.project.documents.view.gui.View;

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

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

import com.iver.cit.gvsig.project.documents.view.toolListeners.StatusBarListener;

/**

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

 *

 * Entrada de men? para la activaci?n de la funcionalidad de zoom a un

 * pixel centrado en el cursor.

 */

public class ZoomPixelCursorTocMenuEntry extends AbstractTocContextMenuAction {

        public static final int ZOOM_TO_IMAGE_CENTER = 0x1;

        public static final int ZOOM_TO_VIEW_CENTER = 0x2;

        FLayer lyr = null;

        public int zoomType = ZOOM_TO_VIEW_CENTER;

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getGroup()

         */

        public String getGroup() {

                return "group2"; //FIXME

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getGroupOrder()

         */

        public int getGroupOrder() {

                return 20;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getOrder()

         */

        public int getOrder() {

                return 2;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getText()

         */

        public String getText() {

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

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#isEnabled(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

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

                if(getNodeLayer(item) instanceof ILayerState)

                        if(!((ILayerState)getNodeLayer(item)).isOpen())

                                return false;

                return true;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#isVisible(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

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

                if (isTocItemBranch(item)) {

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

                                return false;

                        if((getNodeLayer(item) instanceof FLyrRasterSE) &&

                           ((FLyrRasterSE)getNodeLayer(item)).isActionEnabled(IRasterLayerActions.ZOOM_PIXEL_RESOLUTION))

                                return getNodeLayer(item) instanceof FLyrRasterSE;

                }

                return false;

        }

        /**

         * 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) {

                if(selectedItems.length == 1) {

                lyr = getNodeLayer(item);

                    View vista = (View) PluginServices.getMDIManager().getActiveWindow();

                    MapControl mapCtrl = vista.getMapControl();

                    //Si no se ha cargado el listener a?n lo cargamos.

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

                        //Crea el listener del zoom a la resoluci?n del raster

                        StatusBarListener sbl = new StatusBarListener(mapCtrl);

                        ZoomPixelCursorListener zp = new ZoomPixelCursorListener(mapCtrl);

                        mapCtrl.addMapTool("zoom_pixel_cursor_SE", new Behavior[]{

                                                                new PointBehavior(zp), new MouseMovementBehavior(sbl)});

                }

                    mapCtrl.setTool("zoom_pixel_cursor_SE");

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

                        project.setModified(true);

                }

        }

}