Application: gvSIG desktop

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

 *

 * Copyright (C) 2004 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.raster.beans.previewbase;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.util.ArrayList;

import javax.swing.BorderFactory;

import javax.swing.JPanel;

import javax.swing.JSplitPane;

import javax.swing.JTabbedPane;

import javax.swing.border.Border;

import javax.swing.border.TitledBorder;

import javax.swing.plaf.basic.BasicSplitPaneDivider;

import javax.swing.plaf.basic.BasicSplitPaneUI;

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

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

import org.gvsig.gui.beans.defaultbuttonspanel.DefaultButtonsPanel;

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

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

import org.gvsig.raster.datastruct.Extent;

import org.gvsig.raster.util.RasterToolsUtil;

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

/**

 * Panel base para componentes con previsualizaci?n.

 * 

 * 19/02/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class PreviewBasePanel extends DefaultButtonsPanel {

        private static final long serialVersionUID = 6028780107787443656L;

        private ImageNavigator        imageNavigator        = null;

        private FLyrRasterSE          fLayer                = null;

        /**

         * Lista de paneles de usuario que son a?adidos a los tabs

         */

        private ArrayList             userPanel             = new ArrayList();

        /**

         * Panel de la base del cuadro con opciones comunes para todos los tabs

         */

        private JPanel                generalPanel          = null;

        /**

         * Panel de debajo de la vista previa

         */

        private JPanel                downPreviewPanel      = null;

        private IPreviewRenderProcess renderProcess         = null;

        /**

         * Panel central para el caso de que sea m?s de uno (con pesta?as)

         */

        private JTabbedPane           tabbedPane            = null;

        /**

         * Panel central para el caso de que sea solo uno (sin pesta?as)

         */

        private JPanel                mainPanel             = null;

        private JSplitPane            jPanelRight           = null;

        private JPanel                jPanelPreview         = null;

        private PreviewRequestManager previewRequestManager =  null;

        /**

         * Construir un nuevo PreviewBasePanel

         * @param userPanel. Lista de paneles de usuario para los tabs

         * @param generalPanel. Panel inferior global para todos los tabs

         * @param downPreviewPanel. Panel inferior al de la previsualizaci?n

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

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

         */

        public PreviewBasePanel(ArrayList userPanel, 

                                                        JPanel generalPanel, 

                                                        JPanel downPreviewPanel, 

                                                        IPreviewRenderProcess renderProcess,

                                                        FLyrRasterSE lyr) {

                super(ButtonsPanel.BUTTONS_NONE);

                getButtonsPanel().addApply();

                getButtonsPanel().addAccept();

                getButtonsPanel().addCancel();

                this.userPanel = userPanel;

                this.generalPanel = generalPanel;

                this.downPreviewPanel = downPreviewPanel;

                this.renderProcess = renderProcess;

                setLayer(lyr);

                initialize();

        }

        /**

         * Inicializa los componentes gr?ficos

         */

        private void initialize() {

                setLayout(new BorderLayout(8, 8));

                JPanel panelLeft = new JPanel();

                panelLeft.setPreferredSize(new Dimension(390,0));

                panelLeft.setLayout(new BorderLayout(8, 8));

                if(userPanel != null) {

                        if(userPanel.size() == 1)

                                panelLeft.add(getPanelWithoutTabs(), BorderLayout.CENTER);

                        if(userPanel.size() > 1)

                                panelLeft.add(getTabbedPane(), BorderLayout.CENTER);

                }

                if(generalPanel != null)

                        panelLeft.add(getGeneralPanel(), BorderLayout.SOUTH);

                JSplitPane jSplitPane1 = new JSplitPane();

                jSplitPane1.setLeftComponent(panelLeft);

                jSplitPane1.setRightComponent(getPanelRight());

                jSplitPane1.setResizeWeight(1.0);

                jSplitPane1.setContinuousLayout(true);

                jSplitPane1.setUI(new BasicSplitPaneUI() {

                        public BasicSplitPaneDivider createDefaultDivider() {

                                return new BasicSplitPaneDivider(this) {

                                        private static final long serialVersionUID = 1L;

                                        public void setBorder(Border b) {

                                        }

                                };

                        }

                });

                jSplitPane1.setBorder(null);

                add(jSplitPane1, BorderLayout.CENTER);

        }

        /**

         * Obtiene el componente con los tabs donde se a?aden las pesta?as del usuario.

         * @return JTabbedPane

         */

        public JTabbedPane getTabbedPane() {

                if (tabbedPane == null) {

                        tabbedPane = new JTabbedPane();

                        for (int i = 0; i < userPanel.size(); i++) 

                                tabbedPane.addTab(((IUserPanelInterface)userPanel.get(i)).getTitle(), ((IUserPanelInterface)userPanel.get(i)).getPanel());

                }

                return tabbedPane;

        }

        /**

         * Obtiene el panel central sin tabs. Esto ocurre cuando el usuario solo quiere un

         * panel. En este caso no hacen falta pesta?as por lo que se incorpora solo un JPanel

         * @return JTabbedPane

         */

        public JPanel getPanelWithoutTabs() {

                if (mainPanel == null) {

                        if(((IUserPanelInterface)userPanel.get(0)) instanceof JPanel)

                                mainPanel = ((JPanel)userPanel.get(0));

                        else

                                mainPanel = new JPanel();

                }

                return mainPanel;

        }

        /**

         * Obtiene el panel con opciones comunes a todas las pesta?as.

         * @return JPanel

         */

        public JPanel getGeneralPanel() {

                return generalPanel;

        }

        /**

         * Obtiene el panel de debajo de la vista previa

         * @return JPanel

         */

        public JPanel getDownPreviewPanel() {

                return downPreviewPanel;

        }

        /**

         * Obtiene la lista de paneles de usuario

         * @return ArrayList de IUserPanelInterface

         */

        public ArrayList getUserPanels() {

                return userPanel;

        }

        /**

         * Obtiene el objeto IClientImageNavigator

         * @return

         */

        public IClientImageNavigator getPreviewManager() {

                return previewRequestManager;

        }

        /**

         * Devuelve el componente para la vista previa

         * @return

         */

        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, RasterToolsUtil.getText(this, "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;

        }

        /**

         * Devuelve el panel donde estar? el widget de preview

         * @return

         */

        private JSplitPane getPanelRight() {

                if (jPanelRight == null) {

                        jPanelRight = new JSplitPane();

                        jPanelRight.setOrientation(JSplitPane.VERTICAL_SPLIT);

                        jPanelRight.setContinuousLayout(true);

                        jPanelRight.setResizeWeight(0.0);

                        jPanelRight.setPreferredSize(new Dimension(220, 0));

                        jPanelRight.setMinimumSize(new Dimension(220, 0));

                        if(getPanelPreview() != null)

                                jPanelRight.setTopComponent(getPanelPreview());

                        else

                                jPanelRight.setTopComponent(new JPanel());

                        if(getDownPreviewPanel() != null)

                                jPanelRight.setBottomComponent(getDownPreviewPanel());

                        else

                                jPanelRight.setBottomComponent(new JPanel());

                        jPanelRight.setUI(new BasicSplitPaneUI() {

                                public BasicSplitPaneDivider createDefaultDivider() {

                                        return new BasicSplitPaneDivider(this) {

                                                private static final long serialVersionUID = 1L;

                                                public void setBorder(Border b) {

                                                }

                                        };

                                }

                        });

                        jPanelRight.setBorder(null);

                }

                return jPanelRight;

        }

        /**

         * Especificar el layer para la tabla de color

         * @param layer

         */

        public void setLayer(FLyrRasterSE fLayer) {

                this.fLayer = fLayer;

                previewRequestManager = new PreviewRequestManager(this, renderProcess, fLayer);

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

                if (fLayer == null)

                        return;

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

                Extent extent2 = ((FLyrRasterSE) fLayer).getFullRasterExtent();//.getBufferFactory().getDataSource().getExtent();

                getImageNavigator().setViewDimensions(extent2.getMin().getX(), extent2.getMax().getY(), extent2.getMax().getX(), extent2.getMin().getY());

                getImageNavigator().setZoom(1.0/((FLyrRasterSE) fLayer).getBufferFactory().getDataSource().getCellSize());

                getImageNavigator().setAutoAdjusted();

        }

        /**

         * Especificar el layer para el recorte

         * @param layer

         */

        public FLayer getLayer() {

                return fLayer;

        }

        /**

         * Especifica el tama?o de la vista previa

         * @param dimension

         */

        public void setPreviewSize(Dimension dimension) {

                getPanelPreview().setPreferredSize(dimension);

                getPanelPreview().setMinimumSize(dimension);

                getPanelPreview().setMaximumSize(dimension);

        }

        /**

         * Actualizamos la vista previa

         */

        public void refreshPreview() {

                if (fLayer == null)

                        return;

                getImageNavigator().updateBuffer();

        }

}