Application: gvSIG desktop

/*

 * Created on 10-abr-2006

 *

 * 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id: 

* $Log: 

*/

package org.gvsig.topology.ui;

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.List;

import javax.swing.JDialog;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.table.AbstractTableModel;

import javax.swing.table.TableModel;

import org.gvsig.gui.beans.AcceptCancelPanel;

import org.gvsig.gui.beans.swing.JButton;

import org.gvsig.topology.ui.util.GUIUtil;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiFrame.MDIFrame;

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

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

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

/**

 * This panel manages the selection of layers in TOC.

 * Allows to add layers from the toc, remove, and shows a dialog

 * with toc layers.

 * @author Alvaro Zabala

 *

 */

public class LayerSelectionPanel extends JPanel {

        private static final long serialVersionUID = 6171285621323810490L;

        /**

         * text in the header of the component

         */

        private String title;

        /**

         * Component to show the available layers in a table

         */

        private JTable lyrsTable;

        /**

         * Layers selected in the component's table

         */

        private List<FLayer> layers;

        /**

         * MapContext of the active view

         */

        private MapContext mapContext;

        /**

         * Contains listeners interested in the addition or removing of layers

         * to this component.

         */

        private List<LayerSelectionListener> selectionListeners;

        private boolean readOnly;

        /**

         * Constructor.

         * 

         * @param layers List of layers to initialize the table content

         */

        public LayerSelectionPanel(List<FLayer> layers, MapContext mapContext){

                this(layers, mapContext, false);

        }

        public LayerSelectionPanel(List<FLayer> layers, MapContext mapContext, boolean readOnly){

                super();

                this.layers = layers;

                this.mapContext = mapContext;

                this.readOnly = readOnly;

                selectionListeners = new ArrayList<LayerSelectionListener>();

                initialize();

        }

        /**

         * Returns the list of layers in the component's table

         * @return

         */

        public List<FLayer> getLayers(){

                return layers;

        }

        public void addLayerSelectionListener(LayerSelectionListener selectionListener){

                selectionListeners.add(selectionListener);

        }

        private void fireLayerSelectionEvent(SelectedLayerEvent event){

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

                        LayerSelectionListener listener = selectionListeners.get(i);

                        listener.selectionEvent(event);

                }

        }

        private void initialize(){

                setLayout(new BorderLayout());

                JLabel titleLbl = new JLabel(PluginServices.getText(null,title));

                add(titleLbl, BorderLayout.NORTH);

                TableModel dataModel = new AbstractTableModel() {

                        public int getColumnCount() {

                                return 1;

                        }

                        public int getRowCount() {

                                return layers.size();

                        }

                        public Object getValueAt(int row, int col) {

                                FLayer lyr = layers.get(row);

                                return lyr.getName();

                        }

                };

                lyrsTable = new JTable();

                lyrsTable.setModel(dataModel);

                lyrsTable.getColumnModel().getColumn(0).setHeaderValue(

                                PluginServices.getText(null, "Layers"));

                JScrollPane scrollTable = new JScrollPane(lyrsTable);

                add(scrollTable, BorderLayout.CENTER);

                if(! readOnly){

                        add(getButtonsPanel(), BorderLayout.SOUTH);

                }//if ! readOnly

        }

        /**

         * Creates JPanel with add layer, remove layer, remove all layers buttons.

         * @return

         */

        private JPanel getButtonsPanel(){

                JButton addButton = new JButton(PluginServices.getText(null, "Add_Lyr"));

                addButton.addActionListener(new ActionListener(){

                        public void actionPerformed(ActionEvent arg0) {

                                LayersInTocPanel lyrsInTocPanel = new LayersInTocPanel(mapContext.getLayers(), layers);

                                final JDialog dialog = new JDialog();

                                dialog.setLayout(new BorderLayout());

                                dialog.getContentPane().add(lyrsInTocPanel, BorderLayout.CENTER);

                                final LayersInTocPanel tempPanel = lyrsInTocPanel;

                                ActionListener okAction = new ActionListener(){

                                        public void actionPerformed(ActionEvent e) {

                                                List<FLyrVect> newLyrs = tempPanel.getSelectedLyrs();

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

                                                        FLyrVect lyr = newLyrs.get(i);

                                                        if(!layers.contains(lyr)){//FIXME La capa que se a?ada aqu? hay que quitarla de la FLayers a la que pertenezca

//                                                                layers.add(lyr);

                                                                SelectedLayerEvent event = new SelectedLayerEvent();

                                                                event.lyrOfEvent = lyr;

                                                                event.eventType = SelectedLayerEvent.ADDED_EVENT_TYPE;

                                                                fireLayerSelectionEvent(event);

                                                        }//if

                                                }//for

                                                lyrsTable.revalidate();

                                                dialog.dispose();

                                        }};

                                ActionListener cancelAction = new ActionListener(){

                                        public void actionPerformed(ActionEvent e) {

                                                dialog.dispose();

                                        }};

                                AcceptCancelPanel acceptCancelPnl = new AcceptCancelPanel(okAction, cancelAction);

                                dialog.getContentPane().add(acceptCancelPnl, BorderLayout.SOUTH);

                                dialog.setTitle(PluginServices.getText(this, "Capas_A_A?adir_A_La_Topologia"));

                                dialog.setModal(true);

                                dialog.pack();

                                GUIUtil.getInstance().centerDialog(dialog, (MDIFrame) PluginServices.getMainFrame());

                                dialog.setVisible(true);        

                        }});

                JButton removeButton = new JButton(PluginServices.getText(this, "Remove_Lyr"));

                removeButton.addActionListener(new ActionListener(){

                        public void actionPerformed(ActionEvent arg0) {

                                int selectedLyr = lyrsTable.getSelectedRow();

                                SelectedLayerEvent event = new SelectedLayerEvent();

                                event.lyrOfEvent = layers.get(selectedLyr);

                                event.eventType = SelectedLayerEvent.REMOVED_EVENT_TYPE;

                                fireLayerSelectionEvent(event);

//                                layers.remove(selectedLyr);

                                lyrsTable.revalidate();

                        }});

                JButton removeAllBtn = new JButton(PluginServices.getText(this, "Remove_All"));

                removeAllBtn.addActionListener(new ActionListener(){

                        public void actionPerformed(ActionEvent e) {

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

                                        FLayer lyr = layers.get(i);

                                        SelectedLayerEvent event = new SelectedLayerEvent();

                                        event.lyrOfEvent = lyr;

                                        event.eventType = SelectedLayerEvent.REMOVED_EVENT_TYPE;

                                        fireLayerSelectionEvent(event);

                                }

//                                layers.clear();

                                lyrsTable.revalidate();

                        }

                });

                JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));

                buttonPanel.add(addButton);

                buttonPanel.add(removeButton);

                buttonPanel.add(removeAllBtn);

                return buttonPanel;

        }

        /**

         * Subclasses of this interface listen for events launched by this control

         * 

         * @author Alvaro Zabala

         *

         */

        public interface LayerSelectionListener{

                public void selectionEvent(SelectedLayerEvent event);

        }

        /**

         * Event launched when this control adds or removes a layer.

         * @author Alvaro Zabala

         */

        class SelectedLayerEvent{

                final static int ADDED_EVENT_TYPE = 0;

                final static int REMOVED_EVENT_TYPE = 1;

                FLayer lyrOfEvent;

                int eventType;

        }

}