| gvSIG desktop 1

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

 *

 * Copyright (C) 2006 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.gui.beans.table;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableColumn;

import org.gvsig.gui.beans.BaseComponent;

import org.gvsig.gui.beans.table.exceptions.NotInitializeException;

import org.gvsig.gui.beans.table.listeners.TableListener;

import org.gvsig.gui.beans.table.models.ModelLoader;

/**

 * Componente tabla

 * 

 * @author Nacho Brodin (brodin_ign@gva.es)

 *

 */

public class Table extends BaseComponent {

        private static final int                INTERNAL_MARGIN = 4;

    private JTable                                         table = null;

    private JScrollPane                         scrollPanel = null;

    private DefaultTableModel                tableModel = null;

    private int                                                width, height;

    private String[]                                columnNames = null;

    private int[]                                        columnWidths = null;

    private TableListener                        tableListener = null;

    private TableContainer                        tableContainer = null;

    public String                                        tableModelClass = null;

    /**

     * 

     * @param width Ancho de la tabla en pixeles

     * @param height Alto de la tabla en pixeles

     * @param columnNames Vector de nombres de columna

     * @param columnsWidth        Vector de anchos para cada columna. Ha de tener el mismo n?mero de elementos que columnNames. 

     * Si vale null las columnas se pondr?n equidistantes. 

     * @param tableListener Listener de la tabla

     */

    public Table(int width, int height, String[] columnNames, int[] columnWidths, TableListener tableListener, String tableModelClass){

            this.width = width;

            this.height = height;

            this.columnNames = columnNames;

                this.columnWidths = columnWidths;

            this.tableListener = tableListener;

            this.tableModelClass = tableModelClass;

            initialize();

    }

    /**

         * This method initializes this

         * 

         */

        private void initialize() {

                 this.setSize(new java.awt.Dimension(width, height));

                 FlowLayout flowLayout = new FlowLayout();

                 flowLayout.setHgap(0);

                 flowLayout.setVgap(0);

                 this.setLayout(flowLayout);

                 this.add(getJScrollPane(), null);

        }

        /**

         * Asigna el tama?o del componente

         * @param w Nuevo ancho del componente padre

         * @param h Nuevo alto del componente padre

         */

        public void setComponentSize(int w, int h){

                this.setSize(new java.awt.Dimension(w, h));

                scrollPanel.setSize(w, h);

                //this.setPreferredSize(new java.awt.Dimension(w, h));

                scrollPanel.setPreferredSize(new Dimension(w, h));

        }

        /**

     * Obtiene la Tabla

     * @return Tabla de bandas de la imagen

     */

    public JTable getTable() {

        if (table == null) {

            //tableModel = new ListModel(columnNames);

                ModelLoader loader = new ModelLoader();

                table = loader.load(tableModelClass, columnNames);

                tableModel = loader.getTableModel();

            tableModel.addTableModelListener(tableListener);

            table.setPreferredScrollableViewportSize(new Dimension(width, height));

            table.addMouseListener(new MouseAdapter() {

                    public void mouseClicked(MouseEvent e) {

                            try{

                                    if(tableContainer != null)

                                            tableContainer.setSelectedIndex(table.getSelectedRow());

                            }catch(NotInitializeException ex){}

                    }

                 });

            TableColumn column = null;

            int widthPerColumn = (int)(width / columnNames.length);

            for (int i = 0; i < columnNames.length; i++) {

                    column = table.getColumnModel().getColumn(i);

                    column.setResizable(true);

                    if(columnWidths == null)

                            column.setPreferredWidth(widthPerColumn);

                    else

                            column.setPreferredWidth(columnWidths[i]);

            }

        }

        return table;

    }

    /**

         * This method initializes jScrollPane        

         *         

         * @return javax.swing.JPanel        

         */

        private JScrollPane getJScrollPane() {

                if (scrollPanel == null) {

                        scrollPanel = new JScrollPane(getTable());

                        scrollPanel.setSize(width, height);

                        scrollPanel.setPreferredSize(new Dimension(width , height));           

                }

                return scrollPanel;

        }

        /**

         * Obtiene el contenedor padre de la tabla

         * @return

         */

        public TableContainer getTableContainer() {

                return tableContainer;

        }

        /**

         * Asigna el contenedor padre de la tabla

         * @param tableContainer

         */

        public void setTableContainer(TableContainer tableContainer) {

                this.tableContainer = tableContainer;

        }

        /**

         * Obtiene el modelo de la tabla

         * @return 

         */

        public DefaultTableModel getTableModel() {

                return tableModel;

        }

        //********************M?todos de Tabla*****************************//

        /**

         * A?ade una fila a la tabla.

         * @param list Lista de cadenas

         */

        public void addRow(Object[] list){

                ((DefaultTableModel)this.getTable().getModel()).addRow(list);

                /*try{

                        for(int i = 0; i < list.length; i++)        

                                ((DefaultTableModel)this.getTable().getModel()).setValueAt(list[i], 

                                                                ((DefaultTableModel)this.getTable().getModel()).getRowCount() - 1, 

                                                                i);

                }catch(ArrayIndexOutOfBoundsException exc){

                        //Se intenta acceder a una columna que no existe. Terminamos el bucle.

                }*/

        }

        /**

         * Elimina una fila de la tabla.

         * @param i Fila a eliminar

         */

        public void delRow(int i){

                ((DefaultTableModel)this.getTable().getModel()).removeRow(i);

        }

        /**

         * Elimina todas las filas de la tabla.

         */

        public void removeAllRows(){

                int nRows = ((DefaultTableModel)this.getTable().getModel()).getRowCount();

                for(int i = 0; i < nRows; i++)

                        ((DefaultTableModel)this.getTable().getModel()).removeRow(0);

        }

}