/* * 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;/*  * TableToolTipsDemo.java requires no other files. */ import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.JTable;import javax.swing.table.AbstractTableModel;import javax.swing.table.JTableHeader;import javax.swing.table.TableModel;import java.awt.Dimension;import java.awt.GridLayout;import java.awt.event.MouseEvent;/**  * TableToolTipsDemo is just like TableDemo except that it * sets up tool tips for both cells and column headers. */public class TableToolTipsDemo extends JPanel {    private boolean DEBUG = false;    protected String[] columnToolTips = {null,                                         null,                                         "The person's favorite sport to participate in",                                         "The number of years the person has played the sport",                                         "If checked, the person eats no meat"};    public TableToolTipsDemo() {        super(new GridLayout(1,0));        JTable table = new JTable(new MyTableModel()) {                        //Implement table cell tool tips.            public String getToolTipText(MouseEvent e) {                String tip = null;                java.awt.Point p = e.getPoint();                int rowIndex = rowAtPoint(p);                int colIndex = columnAtPoint(p);                int realColumnIndex = convertColumnIndexToModel(colIndex);                if (realColumnIndex == 2) { //Sport column                    tip = "This person's favorite sport to "                           + "participate in is: "                           + getValueAt(rowIndex, colIndex);                } else if (realColumnIndex == 4) { //Veggie column                    TableModel model = getModel();                    String firstName = (String)model.getValueAt(rowIndex,0);                    String lastName = (String)model.getValueAt(rowIndex,1);                    Boolean veggie = (Boolean)model.getValueAt(rowIndex,4);                    if (Boolean.TRUE.equals(veggie)) {                        tip = firstName + " " + lastName                              + " is a vegetarian";                    } else {                        tip = firstName + " " + lastName                              + " is not a vegetarian";                    }                } else {                     //You can omit this part if you know you don't                     //have any renderers that supply their own tool                     //tips.                    tip = super.getToolTipText(e);                }                return tip;            }            //Implement table header tool tips.             protected JTableHeader createDefaultTableHeader() {                return new JTableHeader(columnModel) {                    public String getToolTipText(MouseEvent e) {                        String tip = null;                        java.awt.Point p = e.getPoint();                        int index = columnModel.getColumnIndexAtX(p.x);                        int realIndex = columnModel.getColumn(index).getModelIndex();                        return columnToolTips[realIndex];                    }                };            }        };             table.setPreferredScrollableViewportSize(new Dimension(500, 70));        table.setFillsViewportHeight(true);                        //Create the scroll pane and add the table to it.        JScrollPane scrollPane = new JScrollPane(table);        //Add the scroll pane to this panel.        add(scrollPane);    }    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) {            if (DEBUG) {                System.out.println("Setting value at " + row + "," + col                                   + " to " + value                                   + " (an instance of "                                   + value.getClass() + ")");            }            data[row][col] = value;            fireTableCellUpdated(row, col);            if (DEBUG) {                System.out.println("New value of data:");                printDebugData();            }        }        private void printDebugData() {            int numRows = getRowCount();            int numCols = getColumnCount();            for (int i=0; i < numRows; i++) {                System.out.print("    row " + i + ":");                for (int j=0; j < numCols; j++) {                    System.out.print("  " + data[i][j]);                }                System.out.println();            }            System.out.println("--------------------------");        }    }    /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event-dispatching thread.     */    private static void createAndShowGUI() {        //Create and set up the window.        JFrame frame = new JFrame("TableToolTipsDemo");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //Create and set up the content pane.        JComponent newContentPane = new TableToolTipsDemo();        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();            }        });    }}