本文实例讲述了Java Swing组件定制复选框。分享给大家供大家参考,具体如下:
先来看看运行效果:
具体代码如下:
包themedemo;
进口java.awt.BasicStroke;
进口java.awt.BorderLayout;
进口java.awt.Color;
java . awt . graphics2d进口;
进口java.awt.GridLayout;
进口java.awt.RenderingHints;
进口java.util.Map;
进口javax.swing.BorderFactory;
进口javax.swing.JCheckBox;
进口javax.swing.JComponent;
进口javax.swing.JFrame;
进口javax.swing.JPanel;
进口javax.swing.Painter;
进口javax.swing.SwingUtilities;
进口javax.swing.UIDefaults;
进口javax.swing.UIManager;
进口javax.swing.WindowConstants;
公开课CheckBoxSkinDemo {
公共静态void main (String [] args) {
SwingUtilities。invokeLater(新Runnable () {
公共空间run () {
(UIManager。laf LookAndFeelInfo: UIManager
.getInstalledLookAndFeels ()) {
如果(“灵气”.equals (laf.getName ())) {
尝试{
UIManager.setLookAndFeel (laf.getClassName ());
}捕捉(异常e) {
e.printStackTrace ();
}
}
}
(Object> Map.Entry<对象;条目:UIManager
.entrySet .getLookAndFeelDefaults () ()) {
如果((entry.getKey () .toString ()) .startsWith(“复选框”)){
System.out.println (entry.getKey () + "="
+ entry.getValue ());
}
}
JFrame?new JFrame (" www.jb51.net——复选框皮肤演示”);
frame.setDefaultCloseOperation (WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane ()。setLayout(新BorderLayout ());
JPanel面板=new JPanel(新GridLayout (0、1、20、20));
panel.setBorder (BorderFactory。createEmptyBorder (20、20、20、20));
panel.setBackground (Color.darkGray);
UIDefaults checkBoxDefaults=new UIDefaults ();
checkBoxDefaults.put (“CheckBox.iconPainter”,
新的Painter () {
公共空间油漆(Graphics2D g, JComponent c,
int, int h) {
g.setRenderingHint (
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g。setStroke(新BasicStroke (2 f));
g.setColor (Color.WHITE);
g。fillRect (1、1 w - 4 h - 4);
g.setColor (Color.LIGHT_GRAY);
g。绘制矩形(1,- 1,w - 4 h - 4);
}
});
checkBoxDefaults.put(“复选框选中.iconPainter”,
新的Painter () {
公共空间油漆(Graphics2D g, JComponent c,
int, int h) {
g.setRenderingHint (
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g。setStroke(新BasicStroke (2 f));
g.setColor (Color.WHITE);
g。fillRect (1、1 w - 4 h - 4);
g.setColor (Color.DARK_GRAY);
g。drawPolyline(新int [] {2 w/3 w - 2},
新int [] {h/2 - 1 h - 4 0}, 3);
g.setColor (Color.LIGHT_GRAY);
g。绘制矩形(1,- 1,w - 4 h - 4);
}
});
JCheckBox窗口复选框=new JCheckBox窗口(“myCheckBox”);
panel.add(复选框);
checkBox.putClientProperty(“灵气。覆盖”,checkBoxDefaults);
checkBox.putClientProperty (“Nimbus.Overrides.InheritDefaults”,
假);//添加一个正常的主题滑块进行比较
JCheckBox窗口normalCheckBox=new JCheckBox窗口(“normalCheckBox”);
panel.add (normalCheckBox);
frame.getContentPane ()。添加(面板,BorderLayout.CENTER);
frame.pack ();
frame.setLocationRelativeTo(空);
frame.setVisible(真正的);
}
});
}
}
之前
更多关于java算法相关内容感兴趣的读者可查看本站专题:《java数据结构与算法教程》、《java操作DOM节点技巧总结》,《java文件与目录操作技巧汇总》和《java缓存操作技巧汇总》
希望本文所述对大家java程序设计有所帮助。
