JTable之单元格显示Tip
import java.awt.Point;import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;
public class TableTip {
private JFrame jFrame;
private JTable jTable;
private JScrollPane jScrollPane;
private int row;
private int column;
/**
* @param args
*/
public static void main(String[] args) {
TableTip tableTip = new TableTip();
tableTip.show();
}
private void show() {
jFrame = new JFrame();
jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jFrame.setSize(300, 128);
final Object jtText[][] = { { 1, 2, 3, 4 }, { 5, 6, 7, 8 },
{ 9, 10, 11, 12 }, { 13, 14, 15, 16 }, { 17, 18, 19, 20 } };
final String jtHead[] = { "Column1", "Column2", "Column3", "Column4" };
TableModel dataModel = new AbstractTableModel() {
private static final long serialVersionUID = 0L;
public int getColumnCount() {
return jtHead.length;
}
public int getRowCount() {
return jtText.length;
}
public Object getValueAt(int rowIndex, int columnIndex) {
return jtText;
}
public String getColumnName(int column) {
return jtHead;
}
public boolean isCellEditable(int row, int col) {
return false;
}
public void setValueAt(Object aValue, int row, int column) {
jtText = aValue;
}
};
jTable = new JTable(dataModel);
jTable.setCellSelectionEnabled(false);
// 设置不能重新调整列宽
jTable.getTableHeader().setResizingAllowed(false);
// 设置不能重新排序各列
jTable.getTableHeader().setReorderingAllowed(false);
// 监听鼠标移动，修改TIP
jTable.addMouseMotionListener(new MouseMotionListener() {
@Override
public void mouseDragged(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
Point point = e.getPoint();
int x = jTable.rowAtPoint(point);
int y = jTable.columnAtPoint(point);
if (x != row || y != column) {
row = x;
column = y;
}
Object tip = jTable.getValueAt(row, column);
if (tip != null) {
jTable.setToolTipText("Row:" (row 1) " Column:" (column 1) ":" tip.toString());
}
}
});
jScrollPane = new JScrollPane(jTable);
jScrollPane.setBounds(10, 40, 280, 90);
jFrame.add(jScrollPane);
jFrame.setVisible(true);
}
}
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