JTextField无法正常工作

Question

我目前正在尝试向JTextField添加一个事件，具体取决于两个复选框，但它似乎无法正常工作。

txKids是我想要根据这两个复选框的状态修改的JTextField，cbChildrenY和cbChildrenN。

这是我对这些组件的代码;

private JCheckBox getCbChildrenY() {
    if (cbChildrenY == null) {
        cbChildrenY = new JCheckBox("Children (Y)");
        cbChildrenY.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                showMansions();
            }
        });
        cbChildrenY.setSelected(true);
    }
    return cbChildrenY;
}

    private JCheckBox getCbChildrenN() {
    if (cbChildrenN == null) {
        cbChildrenN = new JCheckBox("Children (N)");
        cbChildrenN.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                showMansions();
            }
        });
        cbChildrenN.setSelected(true);
    }
    return cbChildrenN;
}

    private JTextField getTxKids() {
    if (txKids == null) {
        txKids = new JTextField();
        txKids.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if ((getCbChildrenN().isSelected() == true) && (getCbChildrenY().isSelected() == false)){
                    getTxKids().setEnabled(false);
                    getTxKids().setEditable(false);
                }
            }
        });
        txKids.setColumns(10);
        txKids.setBounds(203, 350, 78, 20);
    }
    return txKids;
}

希望你能提前帮助我。

Answer 1

单击复选框时应该处理该操作。请参阅下面的代码。

private JCheckBox getCbChildrenY() {
    if (cbChildrenY == null) {
        cbChildrenY = new JCheckBox("Children (Y)");
        cbChildrenY.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                showMansions();
                handleTxKids();
            }
        });
        cbChildrenY.setSelected(true);
    }
    return cbChildrenY;
}
private JCheckBox getCbChildrenN() {
    if (cbChildrenN == null) {
        cbChildrenN = new JCheckBox("Children (N)");
        cbChildrenN.addChangeListener(new ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                showMansions();
                handleTxKids();
            }
        });
        cbChildrenN.setSelected(true);
    }
    return cbChildrenN;
}

private JTextField getTxKids() {
    if (txKids == null) {
        txKids = new JTextField();
        txKids.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                //do something.
            });
        txKids.setColumns(10);
        txKids.setBounds(203, 350, 78, 20);
    }
    return txKids;
}
private void handleTxKids() {
    if ((getCbChildrenN().isSelected() == true) && (getCbChildrenY().isSelected() == false)){
        getTxKids().setEnabled(false);
   } else {
        getTxKids().setEnabled(true);
   }
}