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*
* 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
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* 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 javademo.swing.table;
/*
* TableToolTipsDemo.java requires no other files.
*/
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
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;
/**
* TableToolTipsDemo is just like TableDemo except that it
* sets up tool tips for both cells and column headers.
*/
public class TableToolTipsDemo extends JPanel
{
private static final long serialVersionUID = 1L;
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())
{
private static final long serialVersionUID = 1L;
// 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)
{
private static final long serialVersionUID = 1L;
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 static final long serialVersionUID = 1L;
private String[] columnNames = { "First Name", "Last Name", "Sport", "# of Years", "Vegetarian" };
private Object[][] data = { { "Kathy", "Smith", "Snowboarding", new Integer(5), new Boolean(false) },
{ "John", "Doe", "Rowing", new Integer(3), new Boolean(true) },
{ "Sue", "Black", "Knitting", new Integer(2), new Boolean(false) },
{ "Jane", "White", "Speed reading", new Integer(20), new Boolean(true) },
{ "Joe", "Brown", "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.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
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();
}
});
}
}