/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package components;/* * TableSelectionDemo.java requires no other files. */import javax.swing.*;import javax.swing.table.AbstractTableModel;import javax.swing.event.ListSelectionEvent;import javax.swing.event.ListSelectionListener;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.GridLayout;import java.awt.Dimension;public class TableSelectionDemo extends JPanel                                 implements ActionListener {     private JTable table;    private JCheckBox rowCheck;    private JCheckBox columnCheck;    private JCheckBox cellCheck;    private ButtonGroup buttonGroup;    private JTextArea output;    public TableSelectionDemo() {        super();        setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));        table = new JTable(new MyTableModel());        table.setPreferredScrollableViewportSize(new Dimension(500, 70));        table.setFillsViewportHeight(true);        table.getSelectionModel().addListSelectionListener(new RowListener());        table.getColumnModel().getSelectionModel().            addListSelectionListener(new ColumnListener());        add(new JScrollPane(table));        add(new JLabel("Selection Mode"));        buttonGroup = new ButtonGroup();        addRadio("Multiple Interval Selection").setSelected(true);        addRadio("Single Selection");        addRadio("Single Interval Selection");        add(new JLabel("Selection Options"));        rowCheck = addCheckBox("Row Selection");        rowCheck.setSelected(true);        columnCheck = addCheckBox("Column Selection");        cellCheck = addCheckBox("Cell Selection");        cellCheck.setEnabled(false);        output = new JTextArea(5, 40);        output.setEditable(false);        add(new JScrollPane(output));    }    private JCheckBox addCheckBox(String text) {        JCheckBox checkBox = new JCheckBox(text);        checkBox.addActionListener(this);        add(checkBox);        return checkBox;    }    private JRadioButton addRadio(String text) {        JRadioButton b = new JRadioButton(text);        b.addActionListener(this);        buttonGroup.add(b);        add(b);        return b;    }    public void actionPerformed(ActionEvent event) {        String command = event.getActionCommand();        //Cell selection is disabled in Multiple Interval Selection        //mode. The enabled state of cellCheck is a convenient flag        //for this status.        if ("Row Selection" == command) {            table.setRowSelectionAllowed(rowCheck.isSelected());            //In MIS mode, column selection allowed must be the            //opposite of row selection allowed.            if (!cellCheck.isEnabled()) {                table.setColumnSelectionAllowed(!rowCheck.isSelected());            }        } else if ("Column Selection" == command) {            table.setColumnSelectionAllowed(columnCheck.isSelected());            //In MIS mode, row selection allowed must be the            //opposite of column selection allowed.            if (!cellCheck.isEnabled()) {                table.setRowSelectionAllowed(!columnCheck.isSelected());            }        } else if ("Cell Selection" == command) {            table.setCellSelectionEnabled(cellCheck.isSelected());        } else if ("Multiple Interval Selection" == command) {             table.setSelectionMode(                    ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);            //If cell selection is on, turn it off.            if (cellCheck.isSelected()) {                cellCheck.setSelected(false);                table.setCellSelectionEnabled(false);            }            //And don't let it be turned back on.            cellCheck.setEnabled(false);        } else if ("Single Interval Selection" == command) {            table.setSelectionMode(                    ListSelectionModel.SINGLE_INTERVAL_SELECTION);            //Cell selection is ok in this mode.            cellCheck.setEnabled(true);        } else if ("Single Selection" == command) {            table.setSelectionMode(                    ListSelectionModel.SINGLE_SELECTION);            //Cell selection is ok in this mode.            cellCheck.setEnabled(true);        }        //Update checkboxes to reflect selection mode side effects.        rowCheck.setSelected(table.getRowSelectionAllowed());        columnCheck.setSelected(table.getColumnSelectionAllowed());        if (cellCheck.isEnabled()) {            cellCheck.setSelected(table.getCellSelectionEnabled());        }    }    private void outputSelection() {        output.append(String.format("Lead: %d, %d. ",                    table.getSelectionModel().getLeadSelectionIndex(),                    table.getColumnModel().getSelectionModel().                        getLeadSelectionIndex()));        output.append("Rows:");        for (int c : table.getSelectedRows()) {            output.append(String.format(" %d", c));        }        output.append(". Columns:");        for (int c : table.getSelectedColumns()) {            output.append(String.format(" %d", c));        }        output.append(".\n");    }    private class RowListener implements ListSelectionListener {        public void valueChanged(ListSelectionEvent event) {            if (event.getValueIsAdjusting()) {                return;            }            output.append("ROW SELECTION EVENT. ");            outputSelection();        }    }    private class ColumnListener implements ListSelectionListener {        public void valueChanged(ListSelectionEvent event) {            if (event.getValueIsAdjusting()) {                return;            }            output.append("COLUMN SELECTION EVENT. ");            outputSelection();        }    }    class MyTableModel extends AbstractTableModel {        private String[] columnNames = {"First Name",                                        "Last Name",                                        "Sport",                                        "# of Years",                                        "Vegetarian"};        private Object[][] data = {            {"Mary", "Campione",             "Snowboarding", new Integer(5), new Boolean(false)},            {"Alison", "Huml",             "Rowing", new Integer(3), new Boolean(true)},            {"Kathy", "Walrath",             "Knitting", new Integer(2), new Boolean(false)},            {"Sharon", "Zakhour",             "Speed reading", new Integer(20), new Boolean(true)},            {"Philip", "Milne",             "Pool", new Integer(10), new Boolean(false)},        };        public int getColumnCount() {            return columnNames.length;        }        public int getRowCount() {            return data.length;        }        public String getColumnName(int col) {            return columnNames[col];        }        public Object getValueAt(int row, int col) {            return data[row][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) {            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 < 2) {                return false;            } else {                return true;            }        }        /*         * Don't need to implement this method unless your table's         * data can change.         */        public void setValueAt(Object value, int row, int col) {            data[row][col] = value;            fireTableCellUpdated(row, col);        }    }    /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event-dispatching thread.     */    private static void createAndShowGUI() {        //Disable boldface controls.        UIManager.put("swing.boldMetal", Boolean.FALSE);         //Create and set up the window.        JFrame frame = new JFrame("TableSelectionDemo");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //Create and set up the content pane.        TableSelectionDemo newContentPane = new TableSelectionDemo();        newContentPane.setOpaque(true); //content panes must be opaque        frame.setContentPane(newContentPane);        //Display the window.        frame.pack();        frame.setVisible(true);    }    public static void main(String[] args) {        //Schedule a job for the event-dispatching thread:        //creating and showing this application's GUI.        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                createAndShowGUI();            }        });    }}