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 java.awt.Cursor;

import java.awt.Image;

import java.awt.Point;

import java.awt.Toolkit;

import java.awt.geom.Point2D;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent;

import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener;

/**

 * <p>Listener to select the upper layer with raster data, that has information in the associated <code>MapControl</code> object, down

 *  the position selected by the mouse.</p>

 *

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

 */

public class SelectImageListImpl implements PointListener {

        /**

         * The image to display when the cursor is active.

         */

        /*private final Image isaveraster = new ImageIcon(MapControl.class.getResource(

                                "images/pointcursor-icon.png")).getImage();*/

        /**

         * The cursor used to work with this tool listener.

         * 

         * @see #getCursor()

         */

        private Cursor cur = null;

        /**

         * Reference to the <code>MapControl</code> object that uses.

         */

        protected MapControl mapCtrl;

        /**

         * World equivalent coordinates of the point 2D 

         */

        protected Point2D wcPoint = null;

        /**

         * <p>Creates a new <code>SelectImageListenerImpl</code> object.</p>

         * 

         * @param mapCtrl the <code>MapControl</code> where are stored the layers

         */

        public SelectImageListImpl(MapControl mapCtrl) {

                this.mapCtrl = mapCtrl;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

         */

        public void point(PointEvent event) {

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getCursor()

         */

        public Cursor getCursor() {

                if(cur == null) {

                        cur = Toolkit.getDefaultToolkit().createCustomCursor(getImageCursor(),

                                        new Point(16, 16), "");

                }

                return cur;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()

         */

        public boolean cancelDrawing() {

                return true;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#pointDoubleClick(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)

         */

        public void pointDoubleClick(PointEvent event) {

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.tools.Listeners.ToolListener#getImageCursor()

         */

        public Image getImageCursor() {

                return IconThemeHelper.getImage("zoom-pixel-cursor");

        }

}