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.swing.impl.preview;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.geom.Rectangle2D;

import javax.swing.BorderFactory;

import javax.swing.JPanel;

import javax.swing.JTabbedPane;

import javax.swing.border.TitledBorder;

import org.gvsig.gui.beans.buttonspanel.ButtonsPanel;

import org.gvsig.gui.beans.buttonspanel.ButtonsPanelListener;

import org.gvsig.gui.beans.imagenavigator.IClientImageNavigator;

import org.gvsig.gui.beans.imagenavigator.ImageNavigator;

import org.gvsig.i18n.Messages;

import org.gvsig.raster.swing.preview.DataSourcePreview;

import org.gvsig.raster.swing.preview.PreviewPanel;

import org.gvsig.raster.swing.preview.PreviewRenderProcess;

/**

 * Single preview with fixed size to insert in a major panel.

 * 

 * 19/02/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class SinglePreviewPanel extends JPanel implements PreviewPanel {

        private static final long serialVersionUID = 6028780107787443656L;

        private ImageNavigator        imageNavigator        = null;

        private DataSourcePreview     fLayer                = null;

        private PreviewRenderProcess  renderProcess         = null;

        private JPanel                jPanelPreview         = null;

        private PreviewRequestManager previewRequestManager =  null;

        /**

         * Construir un nuevo PreviewBasePanel

         * @param renderProcess. Clase para procesar el raster antes del dibujado

         * @param lyr. Capa raster a mostrar en la previsualizaci?n

         */

        public SinglePreviewPanel( 

                        PreviewRenderProcess renderProcess,

                        DataSourcePreview lyr) {

                this.renderProcess = renderProcess;

                setLayer(lyr);

                initialize();

        }

        /**

         * Construir un nuevo PreviewBasePanel

         * @param renderProcess. Clase para procesar el raster antes del dibujado

         * @param lyr. Capa raster a mostrar en la previsualizaci?n

         */

        public SinglePreviewPanel( 

                        PreviewRenderProcess renderProcess) {

                this.renderProcess = renderProcess;

                initialize();

        }

        /**

         * Inicializa los componentes gr?ficos

         */

        private void initialize() {

                setLayout(new BorderLayout(8, 8));

                add(getPanelPreview(), BorderLayout.CENTER);

        }

        /**

         * Cierra la capa abierta para previsualizaci?n

         */

        public void closePreviewLayer() {

                previewRequestManager.closePreviewLayer();

        }

        /**

         * Obtiene el objeto IClientImageNavigator

         * @return

         */

        public IClientImageNavigator getPreviewManager() {

                return previewRequestManager;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.swing.preview.PreviewPanel#getImageNavigator()

         */

        public ImageNavigator getImageNavigator() {

                if (imageNavigator == null) {

                        imageNavigator = new ImageNavigator(getPreviewManager());

                        imageNavigator.setFocusable(true);

                        imageNavigator.setBorder(BorderFactory.createLineBorder(Color.gray, 1));

                }

                return imageNavigator;

        }

        /**

         * Obtiene el panel con el componente con la vista previa

         * @return JPanel

         */

        public JPanel getPanelPreview() {

                if (jPanelPreview == null) {

                        jPanelPreview = new JPanel();

                        JPanel jsubpanel2 = new JPanel();

                        jPanelPreview.setBorder(BorderFactory.createTitledBorder(null, Messages.getText("vista_previa"), TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null));

                        jPanelPreview.setLayout(new BorderLayout());

                        jsubpanel2.setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8));

                        jsubpanel2.setLayout(new BorderLayout());

                        jsubpanel2.add(getImageNavigator(), BorderLayout.CENTER);

                        jPanelPreview.add(jsubpanel2, BorderLayout.CENTER);

                        jPanelPreview.setPreferredSize(new Dimension(237, 237));

                        jPanelPreview.setMinimumSize(new Dimension(237, 237));

                        jPanelPreview.setMaximumSize(new Dimension(237, 237));

                }

                return jPanelPreview;

        }

        /**

         * Especificar la capa para la previsualizaci?n

         * @param layer

         */

        public void setLayer(DataSourcePreview fLayer) {

                this.fLayer = fLayer;

                previewRequestManager = new PreviewRequestManager(renderProcess, fLayer);

                previewInitializeSizes();

        }

        public void previewInitializeSizes() {

                // Util para ejecutar el test sin una capa de prueba

                if (fLayer == null)

                        return;

                // Especificar las dimensiones de la capa en la vista previa

                Rectangle2D extent2 = fLayer.getBBoxRectangle();

                getImageNavigator().setViewDimensions(extent2.getMinX(), extent2.getMaxY(), extent2.getMaxX(), extent2.getMinY());

                getImageNavigator().setZoom(1.0/ fLayer.getCellSize());

                getImageNavigator().setAutoAdjusted();

        }

        /**

         * Especificar el layer para el recorte

         * @param layer

         */

        public DataSourcePreview getLayer() {

                return fLayer;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.swing.preview.PreviewPanel#setPreviewSize(java.awt.Dimension)

         */

        public void setPreviewSize(Dimension dimension) {

                getPanelPreview().setPreferredSize(dimension);

                getPanelPreview().setMinimumSize(dimension);

                getPanelPreview().setMaximumSize(dimension);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.swing.preview.PreviewPanel#refreshPreview()

         */

        public void refreshPreview() {

                if (fLayer == null)

                        return;

                getImageNavigator().updateBuffer();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.swing.preview.PreviewPanel#getDataSourcePreview()

         */

        public DataSourcePreview getDataSourcePreview() {

                return fLayer;

        }

        public void addButtonPressedListener(ButtonsPanelListener listener) {

                // TODO Auto-generated method stub

        }

        public ButtonsPanel getButtonsPanel() {

                // TODO Auto-generated method stub

                return null;

        }

        public JTabbedPane getTabbedPane() {

                // TODO Auto-generated method stub

                return null;

        }

}