Java: TabComponentDemo
Giải phóng thời gian, khai phóng năng lực
/*
* TabComponentDemo.java requires one additional file:
* ButtonTabComponent.java
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
/*
* Creating and using TabComponentsDemo example
*/
public class TabComponentsDemo extends JFrame {
private final int tabNumber = 5;
private final JTabbedPane pane = new JTabbedPane();
private JMenuItem tabComponentsItem;
private JMenuItem scrollLayoutItem;
public static void main(String[] args) {
//Schedule a job for the event dispatch thread:
//creating and showing this application's GUI.
SwingUtilities.invokeLater(new Runnable(){
public void run(){
//Turn off metal's use of bold fonts
UIManager.put("swing.boldMetal", Boolean.FALSE);
new TabComponentsDemo("TabComponentsDemo").runTest();
}
});
}
public TabComponentsDemo(String title) {
super(title);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initMenu();
add(pane);
}
public void runTest() {
pane.removeAll();
for (int i = 0; i < tabNumber; i++) {
String title = "Tab " + i;
pane.add(title, new JLabel(title));
initTabComponent(i);
}
tabComponentsItem.setSelected(true);
pane.setTabLayoutPolicy(JTabbedPane.WRAP_TAB_LAYOUT);
scrollLayoutItem.setSelected(false);
setSize(new Dimension(400, 200));
setLocationRelativeTo(null);
setVisible(true);
}
private void initTabComponent(int i) {
pane.setTabComponentAt(i,
new ButtonTabComponent(pane));
}
//Setting menu
private void initMenu() {
JMenuBar menuBar = new JMenuBar();
//create Options menu
tabComponentsItem = new JCheckBoxMenuItem("Use TabComponents", true);
tabComponentsItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, InputEvent.ALT_MASK));
tabComponentsItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
for (int i = 0; i < pane.getTabCount(); i++) {
if (tabComponentsItem.isSelected()) {
initTabComponent(i);
} else {
pane.setTabComponentAt(i, null);
}
}
}
});
scrollLayoutItem = new JCheckBoxMenuItem("Set ScrollLayout");
scrollLayoutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, InputEvent.ALT_MASK));
scrollLayoutItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (pane.getTabLayoutPolicy() == JTabbedPane.WRAP_TAB_LAYOUT) {
pane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
} else {
pane.setTabLayoutPolicy(JTabbedPane.WRAP_TAB_LAYOUT);
}
}
});
JMenuItem resetItem = new JMenuItem("Reset JTabbedPane");
resetItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.ALT_MASK));
resetItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
runTest();
}
});
JMenu optionsMenu = new JMenu("Options");
optionsMenu.add(tabComponentsItem);
optionsMenu.add(scrollLayoutItem);
optionsMenu.add(resetItem);
menuBar.add(optionsMenu);
setJMenuBar(menuBar);
}
}
Giải phóng thời gian, khai phóng năng lực