PC World 1998 October/PCWorld_1998-10_cd.bin/software/prehled/inprise/JSAMPLES.Z/TableExample4.java

Text File | 1998-05-08 | 7KB | 150 lines

/*
 * @(#)TableExample4.java    1.6 98/01/27
 *
 * Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 *
 */

/**
 * Another JTable example, showing how column attributes can be refined
 * even when columns have been created automatically. Here we create some
 * specialised renderers and editors as well as changing widths and colors
 * for some of the columns in the SwingSet demo table.
 *
 * @version 1.6 01/27/98
 * @author Philip Milne
 */

import com.sun.java.swing.*;
import com.sun.java.swing.table.*;
import com.sun.java.swing.border.*;

import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.Color;

public class TableExample4 {

    public TableExample4() {
        JFrame frame = new JFrame("Table");
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {System.exit(0);}});

        // Take the dummy data from SwingSet.
        final String[] names = {"First Name", "Last Name", "Favorite Color",
                                "Favorite Number", "Vegetarian"};
        final Object[][] data = {
        {"Mark", "Andrews", "Red", new Integer(2), new Boolean(true)},
        {"Tom", "Ball", "Blue", new Integer(99), new Boolean(false)},
        {"Alan", "Chung", "Green", new Integer(838), new Boolean(false)},
        {"Jeff", "Dinkins", "Turquois", new Integer(8), new Boolean(true)},
        {"Amy", "Fowler", "Yellow", new Integer(3), new Boolean(false)},
        {"Brian", "Gerhold", "Green", new Integer(0), new Boolean(false)},
        {"James", "Gosling", "Pink", new Integer(21), new Boolean(false)},
        {"David", "Karlton", "Red", new Integer(1), new Boolean(false)},
        {"Dave", "Kloba", "Yellow", new Integer(14), new Boolean(false)},
        {"Peter", "Korn", "Purple", new Integer(12), new Boolean(false)},
        {"Phil", "Milne", "Purple", new Integer(3), new Boolean(false)},
        {"Dave", "Moore", "Green", new Integer(88), new Boolean(false)},
        {"Hans", "Muller", "Maroon", new Integer(5), new Boolean(false)},
        {"Rick", "Levenson", "Blue", new Integer(2), new Boolean(false)},
        {"Tim", "Prinzing", "Blue", new Integer(22), new Boolean(false)},
        {"Chester", "Rose", "Black", new Integer(0), new Boolean(false)},
        {"Ray", "Ryan", "Gray", new Integer(77), new Boolean(false)},
        {"Georges", "Saab", "Red", new Integer(4), new Boolean(false)},
        {"Willie", "Walker", "Phthalo Blue", new Integer(4), new Boolean(false)},
        {"Kathy", "Walrath", "Blue", new Integer(8), new Boolean(false)},
        {"Arnaud", "Weber", "Green", new Integer(44), new Boolean(false)}
        };

        // Create a model of the data.
        TableModel dataModel = new AbstractTableModel() {
            // These methods always need to be implemented.
            public int getColumnCount() { return names.length; }
            public int getRowCount() { return data.length;}
            public Object getValueAt(int row, int col) {return data[row][col];}

            // The default implementations of these methods in
            // AbstractTableModel would work, but we can refine them.
            public String getColumnName(int column) {return names[column];}
            public Class getColumnClass(int c) {return getValueAt(0, c).getClass();}
            public boolean isCellEditable(int row, int col) {return true;}
            public void setValueAt(Object aValue, int row, int column) {
                System.out.println("Setting value to: " + aValue);
                data[row][column] = aValue;
            }
         };

        // Create the table
        JTable tableView = new JTable(dataModel);

    // Create a combo box to show that you can use one in a table.
    JComboBox comboBox = new JComboBox();
    comboBox.addItem("Red");
    comboBox.addItem("Orange");
    comboBox.addItem("Yellow");
    comboBox.addItem("Green");
    comboBox.addItem("Blue");
    comboBox.addItem("Indigo");
    comboBox.addItem("Violet");

// .5       TableColumn colorColumn = tableView.getColumn(new Integer(3));
        TableColumn colorColumn = tableView.getColumn("Favorite Color");
        // Use the combo box as the editor in the "Favorite Color" column.
        colorColumn.setCellEditor(new DefaultCellEditor(comboBox));

        // Set a pink background and tooltip for the Color column renderer.
        DefaultTableCellRenderer colorColumnRenderer = new DefaultTableCellRenderer();
        colorColumnRenderer.setBackground(Color.pink);
        colorColumnRenderer.setToolTipText("Click for combo box");
        colorColumn.setCellRenderer(colorColumnRenderer);

        // Set a tooltip for the header of the colors column.
    TableCellRenderer headerRenderer = colorColumn.getHeaderRenderer();
    if (headerRenderer instanceof DefaultTableCellRenderer)
        ((DefaultTableCellRenderer)headerRenderer).setToolTipText("Hi Mom!");

    // Set the width of the "Vegetarian" column.
        TableColumn vegetarianColumn = tableView.getColumn("Vegetarian");
        vegetarianColumn.setWidth(35);

    // Show the values in the "Favorite Number" column in different colors.
        TableColumn numbersColumn = tableView.getColumn("Favorite Number");
        DefaultTableCellRenderer numberColumnRenderer = new DefaultTableCellRenderer() {
        public void setValue(Object value) {
            int cellValue = (value instanceof Number) ? ((Number)value).intValue() : 0;
            setForeground((cellValue > 30) ? Color.black : Color.red);
            setText((value == null) ? "" : value.toString());
        }
        };
        numberColumnRenderer.setHorizontalAlignment(JLabel.RIGHT);
        numbersColumn.setCellRenderer(numberColumnRenderer);

        // Finish setting up the table.
        JScrollPane scrollpane = JTable.createScrollPaneForTable(tableView);
    scrollpane.setBorder(new BevelBorder(BevelBorder.LOWERED));
        scrollpane.setPreferredSize(new Dimension(700, 300));
        frame.getContentPane().add(scrollpane);
        frame.pack();
        frame.setVisible(true);
    }

    public static void main(String[] args) {
        new TableExample4();
    }
}