/*
* Gets the user choice for font, style and size and redraws the text
* accordingly.
*/
public void setSampleFont() {
// Get the font name from the JComboBox
fontName = (String) facenameCombo.getSelectedItem();
sampleField.setText(textField.getText());
// Get the font style from the JCheckBoxes
fontStyle = 0;
if (italicCheckBox.isSelected()) fontStyle += Font.ITALIC;
if (boldCheckBox.isSelected()) fontStyle += Font.BOLD;
// Get the font size
fontSize = 0;
fontSize = Integer.parseInt((String) sizeCombo.getSelectedItem());
// THE FOLLOWING IS NO LONGER NEEDED
// if(smallButton.isSelected())
// fontSize=SMALL;
// else if(mediumButton.isSelected())
// fontSize=MEDIUM;
// else if(largeButton.isSelected())
// fontSize=LARGE;
// Set the font of the text field
sampleField.setFont(new Font(fontName, fontStyle, fontSize));
sampleField.setForeground(fontColor);
sampleField.repaint();
pack();
} // end setSampleFont method
/*
* The following method resets the window to its original status.
*/
public void init() {
sampleField.setText(new String("Big Java"));
textField.setText(new String("Big Java"));
facenameCombo.setSelectedIndex(0);
sizeCombo.setSelectedIndex(2);
italicCheckBox.setSelected(false);
boldCheckBox.setSelected(false);
// largeButton.setSelected(true);
fontColor = Color.BLACK;
setSampleFont();
} // end init method
public ColorChooserDemo() {
super(new BorderLayout());
// 设置一个标签，做广告的。也用来显示用户选择的颜色。
banner = new JLabel("欢迎使用颜色选择器！", JLabel.CENTER);
banner.setForeground(Color.yellow);
banner.setBackground(Color.blue);
banner.setOpaque(true);
banner.setFont(new Font("SansSerif", Font.BOLD, 24));
banner.setPreferredSize(new Dimension(100, 65));
JPanel bannerPanel = new JPanel(new BorderLayout());
bannerPanel.add(banner, BorderLayout.CENTER);
bannerPanel.setBorder(BorderFactory.createTitledBorder("广告"));
// 设置选择颜色选择器
tcc = new JColorChooser(banner.getForeground()); // 设置初始颜色
tcc.getSelectionModel().addChangeListener(this); // 给所有模式添加监听
tcc.setBorder(BorderFactory.createTitledBorder("选择颜色"));
add(bannerPanel, BorderLayout.CENTER);
add(tcc, BorderLayout.PAGE_END);
}
public void loadImage(String filename) {
theImage.setIcon(new MyImageIcon(filename));
}
/**
* <br>
* 方法说明：事件监听。用户选择颜色触发 <br>
* 输入参数：ChangeEvent e 用户选择事件 <br>
* 返回类型：
*/
public void stateChanged(ChangeEvent e) {
Color newColor = tcc.getColor(); // 获取用户选择的颜色
banner.setForeground(newColor);
}