Java 是否可以检测 JCalendar JDateChooser 字段上的日期更改？
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Is it possible to detect a date change on a JCalendar JDateChooser field?
提问by ghickman
I'd like to detect when the date is changed in a JDateChooserfield so that I can update another field.
我想检测JDateChooser字段中的日期何时更改，以便我可以更新另一个字段。
Is this possible? And if so where should I be starting? I've already looked at the documentation and unfortunately there are no methods for adding something like an ActionListener or StateChangeListener (my first thoughts).
这可能吗？如果是这样，我应该从哪里开始？我已经看过文档，不幸的是没有方法可以添加类似 ActionListener 或 StateChangeListener 的东西（我的第一个想法）。
采纳答案by Catalina Island
com.toedter.calendar.JCalendarinherits a listenerListfrom JComponentand it implements java.beans.PropertyChangeListener. I'd add a listener and see what comes though.
com.toedter.calendar.JCalendar继承listenerListfromJComponent并实现java.beans.PropertyChangeListener. 我会添加一个监听器，看看会发生什么。
Edit: I think you can use addPropertyChangeListener()the same way JCalendardoes.
编辑：我认为您可以使用addPropertyChangeListener()相同的方式JCalendar。
JDateChooser chooser = new JDateChooser();
chooser.getDateEditor().addPropertyChangeListener(
new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent e) {
if ("date".equals(e.getPropertyName())) {
System.out.println(e.getPropertyName()
+ ": " + (Date) e.getNewValue());
}
}
});
this.add(chooser);
回答by trashgod
I've not tried it, but addDateListener(DateListener listener)looks appropriate.
我没试过，但addDateListener(DateListener listener)看起来很合适。
