我目前的最新项目有问题。我是初学者,所以请记住这一点:D
我希望我的项目做的是在选中复选框时更改某些文本的字体,如果取消选中则使其恢复正常。
我已经设法实现了。
但是,有多行复选框。如果选择了 2 并且我取消选择其中之一,则文本将恢复正常。只要列中的复选框仍处于选中状态,我不希望文本变得正常。
我怎样才能做到这一点?=(
希望你们中的一个可以帮助我!
import java.awt.Color;
public class WindowBuilderTest extends JFrame
{
private JPanel contentPane;
//Launch the application.
public static void main(final String[] args)
{
EventQueue.invokeLater(new Runnable()
{
@Override
public void run()
{
try
{
final WindowBuilderTest frame = new WindowBuilderTest();
frame.setVisible(true);
}
catch (final Exception e)
{
e.printStackTrace();
}
}
});
}
// Creating Frame
public WindowBuilderTest()
{
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 1280, 720);
this.contentPane = new JPanel();
this.contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(this.contentPane);
this.contentPane.setLayout(null);
// Create Font
final Font headfont = new Font("Serif", Font.PLAIN, 15);
final Font headfontRed = new Font("Serif", Font.PLAIN, 15);
// Role Headlines
final JTextArea txtTop = new JTextArea();
txtTop.setEditable(false);
txtTop.setText("TOP");
txtTop.setBounds(180, 95, 32, 23);
this.contentPane.add(txtTop);
final JTextArea txtMid = new JTextArea();
txtMid.setEditable(false);
txtMid.setText("MID");
txtMid.setBounds(252, 95, 32, 23);
this.contentPane.add(txtMid);
final JTextArea txtJng = new JTextArea();
txtJng.setEditable(false);
txtJng.setText("JNG");
txtJng.setBounds(320, 95, 32, 23);
this.contentPane.add(txtJng);
final JTextArea txtAdc = new JTextArea();
txtAdc.setEditable(false);
txtAdc.setText("ADC");
txtAdc.setBounds(389, 95, 32, 23);
this.contentPane.add(txtAdc);
final JTextArea txtSup = new JTextArea();
txtSup.setEditable(false);
txtSup.setText("SUP");
txtSup.setBounds(453, 95, 32, 23);
this.contentPane.add(txtSup);
// Checkbox 1st row
addCheckBox(183, 143, 23, 23, txtTop);
addCheckBox(255, 143, 23, 23, txtMid);
addCheckBox(322, 143, 23, 23, txtJng);
addCheckBox(393, 143, 23, 23, txtAdc);
addCheckBox(457, 143, 23, 23, txtSup);
// Checkbox 2nd row
addCheckBox(183, 200, 23, 23, txtTop);
addCheckBox(255, 200, 23, 23, txtMid);
addCheckBox(322, 200, 23, 23, txtJng);
addCheckBox(393, 200, 23, 23, txtAdc);
addCheckBox(457, 200, 23, 23, txtSup);
// Checkbox 3nd row
addCheckBox(183, 257, 23, 23, txtTop);
addCheckBox(255, 257, 23, 23, txtMid);
addCheckBox(322, 257, 23, 23, txtJng);
addCheckBox(393, 257, 23, 23, txtAdc);
addCheckBox(457, 257, 23, 23, txtSup);
}
private void addCheckBox(final int x, final int y, final int width, final int height, final JTextArea txtTop)
{
final JCheckBox checkBox = new JCheckBox();
checkBox.setBounds(x, y, width, height);
checkBox.addItemListener(new FontChanger(txtTop));
this.contentPane.add(checkBox);
}
class FontChanger implements ItemListener
{
private JTextArea textArea;
public FontChanger(final JTextArea textArea)
{
this.textArea = textArea;
}
@Override
public void itemStateChanged(final ItemEvent e)
{
if (e.getStateChange() == ItemEvent.SELECTED)
{
final Font boldFont = this.textArea.getFont().deriveFont(Font.BOLD);
this.textArea.setForeground(Color.RED);
this.textArea.setFont(boldFont);
}
else
{
final Font boldFont = this.textArea.getFont().deriveFont(Font.PLAIN);
this.textArea.setForeground(Color.BLACK);
this.textArea.setFont(boldFont);
}
}
}
}