是否可以在JCalendar JDateChooser字段上检测日期更改? [英] Is it possible to detect a date change on a JCalendar JDateChooser field?
问题描述
我想在 JDateChooser 字段,以便我可以更新另一个字段。
I'd like to detect when the date is changed in a JDateChooser field so that I can update another field.
这可能吗?如果是这样,我应该在哪里开始?我已经查看了文档,遗憾的是没有添加类似ActionListener或StateChangeListener的方法(我的第一个想法)。
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).
推荐答案
com.toedter .calendar.JCalendar
从 JComponent
继承 listenerList
并实现的java.beans.PropertyChangeListener
。我会添加一个监听器,看看会发生什么。
com.toedter.calendar.JCalendar
inherits a listenerList
from JComponent
and it implements java.beans.PropertyChangeListener
. I'd add a listener and see what comes though.
编辑:我认为你可以使用 addPropertyChangeListener()
同样的方式 JCalendar
。
I think you can use addPropertyChangeListener()
the same way JCalendar
does.
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);
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