import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import
javax.swing.table.AbstractTableModel;
import java.awt.Dimension;
import java.awt.GridLayout;
public class TableModelDemo
extends JPanel
{
/*
*
Copyright (c) 1995, 2008, Oracle and/or its affiliates. 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 Oracle or 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.
*/
/**
* This
TableDemo is a modified version of the Sun example.
* The
model contains an array of Word (a custom class) instead of Objects.
*/
private
boolean DEBUG = false;
public
TableModelDemo()
{
super(new GridLayout(1, 0));
JTable table = new JTable(new MyTableModel());
table.setPreferredScrollableViewportSize(new Dimension(250, 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 =
{
"", ""
};
private Word[][] data;
public MyTableModel()
{
data = new Word[2][2];
data[0][0] = new Word("BIG");
data[1][0] = new Word("TALL");
data[0][1] = new Word("SMALL");
data[1][1] = new Word("UNUSUALLYLONG");
}
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();
}
}
/**
* 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("TableModelDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
TableModelDemo newContentPane = new TableModelDemo();
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();
}
});
}
/** This is
our new custom class */
class Word
{
// Note these fields are package-private
String name;
int rank;
/** Construct a Word from a given name */
public Word(String name)
{
this.name = name;
this.rank = name.length();
}
public String toString()
{
return name;
}
}
}

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import
javax.swing.table.AbstractTableModel;
import java.awt.Dimension;
import java.awt.GridLayout;
import
javax.swing.table.DefaultTableCellRenderer;
public class TableRendererDemo
extends JPanel
{
/*
*
Copyright (c) 1995, 2008, Oracle and/or its affiliates. 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 Oracle or 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.
*/
/**
* This
TableDemo is a modified version of the Sun example.
* The
model contains an array of Word (a custom class) instead of Objects.
* This
version contains a TableRenderer class.
*/
private
boolean DEBUG = false;
public
TableRendererDemo()
{
super(new GridLayout(1, 0));
JTable table = new JTable(new MyTableModel());
table.setPreferredScrollableViewportSize(new Dimension(250, 70));
table.setFillsViewportHeight(true);
table.setRowHeight(32); // height of icon
//Set up renderer for the cells containing Words.
table.setDefaultRenderer(Word.class, new SimpleWordRenderer());
// Uncomment this to use the Advanced Renderer
//table.setDefaultRenderer(Word.class, new AdvancedWordRenderer());
//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 =
{
"",
""
};
private Word[][] data;
public MyTableModel()
{
data = new Word[2][2];
data[0][0] = new Word("BIG");
data[1][0] = new Word("TALL");
data[0][1] = new Word("SMALL");
data[1][1] = new Word("UNUSUALLYLONG");
}
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.
*/
@Override
public Class getColumnClass(int c)
{
return getValueAt(0, c).getClass();
}
}
/**
* 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("TableRendererDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
TableRendererDemo newContentPane = new TableRendererDemo();
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();
}
});
}
/** This is
our new custom class */
class Word
{
// Note these fields are package-private
String name;
int rank;
/** Construct a Word from a given name */
public Word(String name)
{
this.name = name;
this.rank = name.length();
}
public String toString()
{
return name;
}
}
/** This is an
example of a CellRenderer that tailors the
* way the
output is displayed.
*/
class
SimpleWordRenderer extends DefaultTableCellRenderer
{
protected void setValue(Object value)
{
Word word = (Word) value;
String name = word.toString();
// Long words get a star added to them
if (word.rank > 9)
{
name = name + "*";
}
setText(name);
}
}
java.net.URL
myurl = getClass().getResource("star.png");
javax.swing.ImageIcon icon = new javax.swing.ImageIcon(myurl);
/** This
Renderer can display EITHER an icon OR text */
class
AdvancedWordRenderer extends DefaultTableCellRenderer
{
public void setValue(Object value)
{
Word word = (Word) value;
String name = word.toString();
setIcon(null);
setText(null);
// Long words are displayed as an icon
if (word.rank > 9)
{
setIcon(icon);
icon.setDescription("star"); // for Dalbey's testing
}
else
{
setText(name);
}
}
}
}

Simple Word
Renderer
Advanced Word Renderer
import org.uispec4j.*;
import
org.uispec4j.interception.*;
import javax.swing.JLabel;
import java.awt.Component;
/** GUI Tests. These tests
must be run from the console,
* java -cp
/usr/share/bluej/junit-4.8.2.jar:+libs/uispec4j-2.4-jdk16.jar:.
junit.textui.TestRunner TableRendererDemoTest
*/
public class
TableRendererDemoTest extends UISpecTestCase
{
//Need to call this to
initialize UiSpec4J
static {
UISpec4J.init();
}
Panel view;
protected void setUp()
throws Exception
{
// Instantiate
the GUI class we want to test
TableRendererDemo trdemo = new TableRendererDemo();
view = new
Panel(trdemo);
}
public void
testMinesGamePlay()
{
Table table =
view.getTable();
assertTrue("table dimensions not 2.",table.columnCountEquals(2));
assertNull("(1,1) doesn't contain an image",table.getContentAt(1,1));
// Images are returned as null
// This works
as long for tables that render their cells as JLabels AND
// they
setDescription() for the ImageIcon
String
cellString = (String) table.getContentAt(0,0, new
JLabelCellValueConverter());
assertEquals("BIG",cellString);
String
cellHTMLString = (String) table.getContentAt(1,1, new
JLabelCellValueConverter());
assertEquals("star",cellHTMLString);
}
/* A custom converter that
returns a JLabel's text string OR icon description */
class JLabelCellValueConverter
implements TableCellValueConverter
{
public Object getValue(int
row, int column, Component renderedComponent, Object modelObject)
{
//
DefaultTableCellRenderer actually extends JLabel so as long as the table
// renderer
subclassed DefaultTableCellRenderer this method will work.
if
(renderedComponent instanceof JLabel)
{
// Check to see if there's text first and return that.
String text = ((JLabel)renderedComponent).getText();
if (text != null)
{
return text;
}
// Only checks the icon description if no text was found
javax.swing.Icon icon = ((JLabel)renderedComponent).getIcon();
javax.swing.ImageIcon img = (javax.swing.ImageIcon) icon;
if (img != null)
{
String description =
img.getDescription();
return description;
}
}
if
(modelObject != null)
{
return modelObject.toString();
}
return "";
}
}
}