[英]Setting a Minimum Date for JXDatePicker in a JTable column
如何在我的JTable列中設置JXDatePicker的最小日期。我需要在JXDatePicker中顯示/啟用大於當前日期的日期,在日歷下面的日期應該在日歷中顯示,以便用戶不能選擇那些日期。怎么做?請幫幫我。下面是我的代碼。
import java.util.Date;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.table.TableColumn;
import org.jdesktop.swingx.table.DatePickerCellEditor;
public class TableWithDate {
private static void createAndShowGUI() {
JFrame frame = new JFrame("TableWithDate");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTable table = new JTable(new Object[][] { { "1", new Date() } },
new Object[] { "Id", "Time" });
TableColumn dateColumn = table.getColumnModel().getColumn(1);
dateColumn.setCellEditor(new DatePickerCellEditor());
JScrollPane scrollPane = new JScrollPane(table);
frame.add(scrollPane);
frame.pack();
frame.setVisible(true);
}
public static void main(String args[]) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
JXDatePicker
字段具有protected
訪問權限,您必須擴展DatePickerCellEditor
並提供該功能......
public class BoundDatePickerCellEditor extends DatePickerCellEditor {
public BoundDatePickerCellEditor() {
super();
}
public BoundDatePickerCellEditor(DateFormat dateFormat) {
super(dateFormat);
}
public void setLowerBound(Date date) {
datePicker.getMonthView().setLowerBound(date);
}
public void setUpperBound(Date date) {
datePicker.getMonthView().setLowerBound(date);
}
}
可運行的例子......
import java.awt.EventQueue;
import java.text.DateFormat;
import java.util.Date;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.TableColumn;
import org.jdesktop.swingx.table.DatePickerCellEditor;
public class Test {
public static void main(String[] args) {
new Test();
}
public Test() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
ex.printStackTrace();
}
JTable table = new JTable(new Object[][]{{"1", new Date()}},
new Object[]{"Id", "Time"});
TableColumn dateColumn = table.getColumnModel().getColumn(1);
BoundDatePickerCellEditor picker = new BoundDatePickerCellEditor();
picker.setLowerBound(new Date());
dateColumn.setCellEditor(picker);
JFrame frame = new JFrame("Testing");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new JScrollPane(table));
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
public class BoundDatePickerCellEditor extends DatePickerCellEditor {
public BoundDatePickerCellEditor() {
super();
}
public BoundDatePickerCellEditor(DateFormat dateFormat) {
super(dateFormat);
}
public void setLowerBound(Date date) {
datePicker.getMonthView().setLowerBound(date);
}
public void setUpperBound(Date date) {
datePicker.getMonthView().setLowerBound(date);
}
}
}
如果你今天也想要放棄,你可以使用像......
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, 1);
picker.setLowerBound(cal.getTime());
...例如
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