| gvSIG desktop 1

/*

 * Created on 27-abr-2004

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

/* 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

 */

package com.iver.cit.gvsig.project.documents.view.legend.gui;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.GridLayout;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.util.ArrayList;

import java.util.Hashtable;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.event.ChangeEvent;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableCellEditor;

import javax.swing.table.TableColumn;

import com.hardcode.gdbms.engine.values.NullValue;

import com.iver.andami.PluginServices;

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

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

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.rendering.NullIntervalValue;

import com.iver.cit.gvsig.fmap.rendering.NullUniqueValue;

import com.iver.cit.gvsig.project.documents.gui.SymbolCellEditor;

import com.iver.cit.gvsig.project.documents.gui.TableSymbolCellRenderer;

import com.iver.cit.gvsig.project.documents.view.legend.edition.gui.IntervalCellEditor;

import com.iver.cit.gvsig.project.documents.view.legend.edition.gui.ValueCellEditor;

import com.iver.utiles.swing.jtable.JTable;

import com.iver.utiles.swing.jtable.TextFieldCellEditor;

/**

 * JPanel que contiene la tabla con los s?mbolos intervalos o valores y

 * etiquetado de estos valores.

 * 

 * @author Vicente Caballero Navarro

 */

public class SymbolTable extends JPanel {

        private static final long serialVersionUID = -8694846716328735113L;

        private static Hashtable<String,TableCellEditor> cellEditors = new Hashtable<String,TableCellEditor>();

        public static final String VALUES_TYPE = "values";

        public static final String INTERVALS_TYPE = "intervals";

        private JTable table;

        private String type;

        private int shapeType;

        private OnTableMouseAdapter rightClickActions; 

        /**

         * Crea un nuevo FSymbolTable.

         * 

         * @param type

         *            tipo de valor si es intervalo: "intervals" y si es por

         *            valores: "values".

         */

        public SymbolTable(Component ownerComponent, String type, int shapeType) {

                super(new GridLayout(1, 0));

                this.type = type;

                this.shapeType = shapeType;

                rightClickActions = new OnTableMouseAdapter();

                table = new JTable();

                table.setModel(new MyTableModel());

                table.setPreferredScrollableViewportSize(new Dimension(480, 110));

                initializeCellEditors();

                // Create the scroll pane and add the table to it.

                JScrollPane scrollPane = new JScrollPane(table);

                // Set up column sizes.

                // initColumnSizes(table);

                setUpSymbolColumn(table, table.getColumnModel().getColumn(0));

                if(cellEditors.get(type) == null)

                        throw new Error("Symbol table type not set!");

                setUpValueColumn(table, table.getColumnModel().getColumn(1),cellEditors.get(this.type));

                setUpLabelColumn(table, table.getColumnModel().getColumn(2));

                // Add the scroll pane to this panel.

                add(scrollPane);

                table.setRowSelectionAllowed(true);

                table.addMouseListener(rightClickActions);

        }

        /**

         * Inicializa los valores de los CellEditors que la SymbolTable poseer? por defecto

         */

        private void initializeCellEditors() {

                this.cellEditors.put(this.INTERVALS_TYPE,new IntervalCellEditor());

                this.cellEditors.put(this.VALUES_TYPE, new ValueCellEditor());

        }

        /**

         * A?ade un nuevo CellEditor a la lista de disponibles 

         * 

         * @param key String con el nombre identificativo del CellEditor

         * @param cellEditor CellEditor que va a ser a?adido

         */

        public static void addNewCellEditor(String key,TableCellEditor cellEditor ) {

                cellEditors.put(key, cellEditor);

        }

        /**

         * Obtiene el valor de los elementos de una fila seleccionada

         * 

         * @return Object[] Array con los objetos de cada una de las columnas de la fila seleccionada

         */

        public Object[] getSelectedRowElements() {

                Object[] values = new Object[3];

                MyTableModel m = (MyTableModel) table.getModel();

                int[] selectedRows = table.getSelectedRows();

                if(selectedRows.length != 1)

                        return null;

                for (int i = 0; i < 3; i++) {

                        values[i] = m.getValueAt(selectedRows[0], i); 

                }

                return values;

        }

        /**

         * A?ade una fila al modelo.

         * 

         * @param vector

         *            Fila en forma de vector de Object para a?adir al modelo.

         */

        public void addRow(Object[] vector) {

                MyTableModel m = (MyTableModel) table.getModel();

                m.addRow(vector);

        }

        /**

         * Elimina la fila que tiene como clave el objeto que se pasa como

         * par?metro.

         * 

         * @param obj

         *            clave del objeto a eliminar.

         */

        public void removeRow(Object obj) {

                MyTableModel m = (MyTableModel) table.getModel();

                for (int i = 0; i < m.getRowCount(); i++) {

                        if (m.getValueAt(i, 1) instanceof NullUniqueValue

                                        || m.getValueAt(i, 1) instanceof NullIntervalValue) {

                                m.removeRow(i);

                        }

                }

        }

        /**

         * Elimina las filas que est?n seleccionadas.

         */

        public void removeSelectedRows() {

                if (table.getCellEditor() != null) {

                        table.getCellEditor().cancelCellEditing();

                }

                MyTableModel m = (MyTableModel) table.getModel();

                int[] selectedRows = table.getSelectedRows();

                for (int i = selectedRows.length - 1; i >= 0; i--) {

                        m.removeRow(selectedRows[i]);

                }

        }

        /**

         * Rellena la tabla con los s?mbolos valores y descripciones que se pasan

         * como par?metro.

         * 

         * @param symbols

         *            Array de s?mbolos

         * @param values

         *            Array de valores.

         * @param descriptions

         *            Array de descripciones.

         */

        public void fillTableFromSymbolList(ISymbol[] symbols, Object[] values,

                        String[] descriptions) {

                ISymbol theSymbol;

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

                        theSymbol = symbols[i];

                        addTableRecord(theSymbol, values[i], descriptions[i]);

                }

        }

        /**

         * A?ade una fila con los objetos que se pasan como par?metros.

         * 

         * @param symbol

         *            s?mbolo de la fila.

         * @param value

         *            Valor de la fila.

         * @param description

         *            Descripci?n.

         */

        public void addTableRecord(ISymbol symbol, Object value, String description) {

                Object[] theRow = new Object[3];

                theRow[0] = symbol;

                theRow[1] = value;

                theRow[2] = description;

                addRow(theRow);

        }

        /**

         * Devuelve el valor a partie del n?mero de fila y columna.

         * 

         * @param row

         *            n?mero de fila.

         * @param col

         *            n?mero de columna.

         * 

         * @return Objeto.

         */

        public Object getFieldValue(int row, int col) {

                MyTableModel m = (MyTableModel) table.getModel();

                return m.getValueAt(row, col);

        }

        /**

         * Devuelve el n?mero total de filas que contiene el modelo.

         * 

         * @return N?mero de filas.

         */

        public int getRowCount() {

                MyTableModel m = (MyTableModel) table.getModel();

                return m.getRowCount();

        }

        /**

         * Elimina todas las filas del modelo.

         */

        public void removeAllItems() {

                table.setModel(new MyTableModel());

                setUpSymbolColumn(table, table.getColumnModel().getColumn(0));

                setUpValueColumn(table, table.getColumnModel().getColumn(1),cellEditors.get(this.type));

                setUpLabelColumn(table, table.getColumnModel().getColumn(2));

        }

        /**

         * Inicializa el cell editor de tipo descripci?n de la columna que se pasa

         * como par?metro.

         * 

         * @param table2

         *            Tabla.

         * @param column

         *            Columna.

         */

        public void setUpLabelColumn(JTable table2, TableColumn column) {

                TextFieldCellEditor labeleditor = new TextFieldCellEditor();

                column.setCellEditor(labeleditor);

        }

        /**

         * Inicializa el cell editor de tipo valor de la columna que se pasa como

         * par?metro.

         * 

         * @param table2

         *            Tabla.

         * @param column

         *            Columna.

         * @param tableCellEditor 

         */

        public void setUpValueColumn(JTable table2,TableColumn column, TableCellEditor tableCellEditor) {

                column.setCellEditor(tableCellEditor);

        }

        /**

         * Inicializa el cell editor de tipo s?mbolo de la columna que se pasa como

         * par?metro.

         * 

         * @param table2

         *            Tabla.

         * @param column

         *            Columna.

         */

        public void setUpSymbolColumn(JTable table2, TableColumn column) {

                // Set up the editor

                column.setMaxWidth(100);

                column.setWidth(60);

                column.setPreferredWidth(60);

                column.setMinWidth(50);

                // FSymbolCellEditor symboleditor = new FSymbolCellEditor();

                SymbolCellEditor symboleditor = new SymbolCellEditor(shapeType);

                column.setCellEditor(symboleditor);

                TableSymbolCellRenderer renderer = new TableSymbolCellRenderer(true);

                column.setCellRenderer(renderer);

        }

        /**

         * Modelo que propio que se aplica a la tabla.

         * 

         * @author Vicente Caballero Navarro

         */

        class MyTableModel extends DefaultTableModel {

                private static final long serialVersionUID = 1L;

                // AbstractTableModel {

                private String[] columnNames = {

                                PluginServices.getText(this, "Simbolo"),

                                PluginServices.getText(this, "Valor"),

                                PluginServices.getText(this, "Etiqueta") };

                /**

                 * Devuelve el n?mero de columnas.

                 * 

                 * @return N?mero de columnas.

                 */

                public int getColumnCount() {

                        return columnNames.length;

                }

                /**

                 * Devuelve el String del valor de la columna.

                 * 

                 * @param col

                 *            N?mero de columna.

                 * 

                 * @return Nombre de la columna.

                 */

                public String getColumnName(int col) {

                        return columnNames[col];

                }

                /**

                 * JTable uses this method to determine the default renderer/ editor for

                 * each cell. If we didn't implement this method, then the last column

                 * would contain text ("true"/"false"), rather than a check box.

                 */

                public Class getColumnClass(int c) {

                        if (getValueAt(0, c) == null) {

                                return NullValue.class;

                        }

                        return getValueAt(0, c).getClass();

                }

                /*

                 * Don't need to implement this method unless your table's editable.

                 */

                public boolean isCellEditable(int row, int col) {

                        // Note that the data/cell address is constant,

                        // no matter where the cell appears onscreen.

                        // if (col > 0) {

                        return true;

                }

        }

        private class OnTableMouseAdapter extends MouseAdapter {

                private JPopUpMenu menu = new JPopUpMenu();

                // group option

                private JMenuItem groupItem = new JMenuItem(

                                PluginServices.getText(this, "group"));

                private ActionListener groupAction = new ActionListener() {

                        public void actionPerformed(java.awt.event.ActionEvent e) {

                                hidePopUp();

                                int[] selectedRows = table.getSelectedRows();

                                if (selectedRows.length > 1) {

                                        DefaultTableModel model = (DefaultTableModel) table

                                                        .getModel();

                                        int theRow = selectedRows[0];

                                        ISymbol symboToBeApplied = (ISymbol) model.getValueAt(

                                                        theRow, 0);

                                        String labelToBeApplied = (String) model.getValueAt(

                                                        theRow, 2);

                                        ArrayList<Object> valuesToBeApplied = new ArrayList<Object>(

                                                        selectedRows.length);

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

                                                valuesToBeApplied.add(model.getValueAt(selectedRows[i],

                                                                1));

                                        }

                                        for (int i = selectedRows.length - 1; i > 0; i--) {

                                                model.removeRow(selectedRows[i]);

                                        }

                                        model.setValueAt(symboToBeApplied, theRow, 0);

                                        model.setValueAt(labelToBeApplied, theRow, 2);

                                        table.clearSelection();

                                        table.doLayout();

                                }

                        }

                };

                // combine option

                private JMenuItem combineItem = new JMenuItem(

                                PluginServices.getText(this, "combine"));

                private ActionListener combineAction = new ActionListener() {

                        public void actionPerformed(java.awt.event.ActionEvent e) {

                                hidePopUp();

                                int[] selectedRows = table.getSelectedRows();

                                if (selectedRows.length > 1) {

                                        DefaultTableModel model = (DefaultTableModel) table

                                                        .getModel();

                                        int theRow = selectedRows[0];

                                        ISymbol symboToBeApplied = (ISymbol) model.getValueAt(

                                                        theRow, 0);

                                        String labelToBeApplied = (String) model.getValueAt(

                                                        theRow, 2);

                                        ArrayList<Object> valuesToBeApplied = new ArrayList<Object>(

                                                        selectedRows.length);

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

                                                valuesToBeApplied.add(model.getValueAt(selectedRows[i],

                                                                1));

                                        }

                                        for (int i = selectedRows.length - 1; i > 0; i--) {

                                                model.removeRow(selectedRows[i]);

                                        }

                                        model.setValueAt(symboToBeApplied, theRow, 0);

                                        model.setValueAt(labelToBeApplied, theRow, 2);

                                        table.clearSelection();

                                        table.doLayout();

                                }

                        }

                };

                private boolean menuEmpty = false;

                {

                        groupItem.addActionListener(groupAction);

                        if (VALUES_TYPE.equals(type)) {

                                menu.add(groupItem);

                        } else if (INTERVALS_TYPE.equals(type)) {

                                menu.add(combineItem);

                        } else {

                                menuEmpty = true;

                        }

                }

                @Override

                public void mouseExited(MouseEvent e) {

                        // if we click outside the popup menu

                        if (menu.isVisible()) {

                                Rectangle tableBounds = table.getBounds();

                                tableBounds.setLocation(table.getLocationOnScreen());

                                if (!tableBounds.contains(getClickLocation(e))) {

                                        hidePopUp();

                                }

                        }

                }

                @Override

                public void mouseClicked(MouseEvent e) {

                        super.mouseClicked(e);

                        // if we click outside the popup menu

                        if (menu.isVisible()

                                        && !menu.getBounds().contains(getClickLocation(e))) {

                                hidePopUp();

                        }

                        if (e.getButton() == MouseEvent.BUTTON3) {

                                e.consume();

                                int[] selectedRows = table.getSelectedRows();

                                if (selectedRows.length > 0) {

                                        Point realClickLocation = getClickLocation(e);

                                        menu.setLocation(realClickLocation);

                                        showPopUp();

                                }

                        }

                }

                private void showPopUp() {

                        if (!menuEmpty) {

                                table.setEnabled(false);

                                table.editingCanceled(new ChangeEvent(table));

                                menu.setVisible(true);

                        }

                }

                private void hidePopUp() {

                        if (!menuEmpty ) {

                                menu.setVisible(false);

                                table.setEnabled(true);

                        }

                }

                private Point getClickLocation(MouseEvent e) {

                        Point tableLocation = table.getLocationOnScreen();

                        Point relativeClickPoint = e.getPoint();

                        Point realClickLocation = new Point(tableLocation.x

                                        + relativeClickPoint.x, tableLocation.y

                                        + relativeClickPoint.y);

                        return realClickLocation;

                }

        }

}