/*
* 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.
*/
/*
* 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();
}
});
}
}
| 14.58.JTable |
| 14.58.1. | Creating a JTable |  |
| 14.58.2. | Creating a JTable with rows of variable height |
| 14.58.3. | Creating a Scrollable JTable Component |
| 14.58.4. | public JTable(Vector rowData, Vector columnNames) |  |
| 14.58.5. | Retrieve the value in the visible cell (1,2) in a JTable |
| 14.58.6. | Retrieve the value in cell (1,2) from the model |
| 14.58.7. | Build a table from list data and column names |
| 14.58.8. | To change cell contents in code: setValueAt(Object value, int row, int column) method of JTable. |  |
| 14.58.9. | Disable auto resizing to make the table horizontal scrollable |
| 14.58.10. | Manually Positioning the JTable View |  |
| 14.58.11. | Selection Modes |  |
| 14.58.12. | Printing Tables Sample |  |
| 14.58.13. | Specify the print mode: public boolean print(JTable.PrintMode printMode) |  |
| 14.58.14. | Specify a page header or footer during printing |  |
| 14.58.15. | No user interaction to print |  |
| 14.58.16. | Listening to JTable Events with a TableModelListener |  |
| 14.58.17. | Control the selection of rows or columns or individual cells |  |
| 14.58.18. | Table selection mode |
| 14.58.19. | JTable with Tooltip |
| 14.58.20. | Table Selection Events and Listeners |  |
| 14.58.21. | Print a JTable out |
| 14.58.22. | JTable Look and Feel |
| 14.58.23. | Listening for Selection Events in a JTable Component |
| 14.58.24. | Listening for Changes to the Rows and Columns of a JTable Component |
| 14.58.25. | Listening for Column-Related Changes in a JTable Component |
| 14.58.26. | Programmatically Starting Cell Editing in a JTable Component |
| 14.58.27. | Select a column - column 0 in a JTable |
| 14.58.28. | Select an additional range of columns - columns 1 to 2 |
| 14.58.29. | Deselect a range of columns - columns 0 to 1 |
| 14.58.30. | Select a row - row 0 |
| 14.58.31. | Select an additional range of rows - rows 1 to 2 |
| 14.58.32. | Deselect a range of rows - rows 0 to 1 |
| 14.58.33. | Select a cell: cell (2,1) |
| 14.58.34. | Select all cells |
| 14.58.35. | Deselect all cells |
| 14.58.36. | Enable row selection (default) in a JTable |
| 14.58.37. | Enable column selection in a JTable |
| 14.58.38. | Enable cell selection in a JTable |
| 14.58.39. | When the width of a column is changed, the width of the right-most column is changed |
| 14.58.40. | When the width of a column is changed, all columns to the right are resized |
| 14.58.41. | When the width of a column is changed, only the columns to the left and right of the margin change |
| 14.58.42. | When the width of a column is changed, the widths of all columns are changed |
| 14.58.43. | Use a regexFilter to filter table content |
| 14.58.44. | Don't show any grid lines |
| 14.58.45. | Show only vertical grid lines |
| 14.58.46. | Show only horizontal grid lines |
| 14.58.47. | Set the grid color |
| 14.58.48. | Show both horizontal and vertical grid lines (the default) |
| 14.58.49. | Getting the Gap Size Between Cells in a JTable Component |
| 14.58.50. | Add 5 spaces to the left and right sides of a cell. |
| 14.58.51. | Scrolling a Cell to the Center of a JTable Component |
| 14.58.52. | Setting Tool Tips on Cells in a JTable Component |
| 14.58.53. | Getting the Number of Rows and Columns in a JTable Component |
| 14.58.54. | Making a Cell Visible in a JTable Component |
| 14.58.55. | Increase the row height |
| 14.58.56. | Determining If a Cell Is Visible in a JTable Component |
| 14.58.57. | Allowing the User to Resize a Column in a JTable Component |
| 14.58.58. | Disabling User Edits in a JTable |
| 14.58.59. | Creating image out of a JTable |