本文整理匯總了Java中javax.swing.JCheckBox.isFocusOwner方法的典型用法代碼示例。如果您正苦於以下問題：Java JCheckBox.isFocusOwner方法的具體用法？Java JCheckBox.isFocusOwner怎麽用？Java JCheckBox.isFocusOwner使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.swing.JCheckBox的用法示例。
在下文中一共展示了JCheckBox.isFocusOwner方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: start
import javax.swing.JCheckBox; //導入方法依賴的package包/類
public void start ()
{
setSize (200,200);
setVisible(true);
validate();
JFrame frame = new JFrame("The Frame");
Set ftk = new HashSet();
ftk.add(AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_DOWN, 0));
frame.getContentPane().
setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
ftk);
JCheckBox checkbox = new JCheckBox("test");
frame.getContentPane().add(checkbox, BorderLayout.NORTH);
JTextArea textarea = new JTextArea(40, 10);
frame.getContentPane().add(textarea);
frame.pack();
frame.setVisible(true);
Util.waitForIdle(robot);
if (!frame.isActive()) {
throw new RuntimeException("Test Fialed: frame isn't active");
}
// verify if checkbox has focus
if (!checkbox.isFocusOwner()) {
checkbox.requestFocusInWindow();
Util.waitForIdle(robot);
if (!checkbox.isFocusOwner()) {
throw new RuntimeException("Test Failed: checkbox doesn't have focus");
}
}
// press VK_DOWN
robot.keyPress(KeyEvent.VK_DOWN);
robot.delay(50);
robot.keyRelease(KeyEvent.VK_DOWN);
robot.delay(50);
Util.waitForIdle(robot);
// verify if text area has focus
if (!textarea.isFocusOwner()) {
throw new RuntimeException("Test Failed: focus wasn't transfered to text area");
}
// press '1'
robot.keyPress(KeyEvent.VK_1);
robot.delay(50);
robot.keyRelease(KeyEvent.VK_1);
robot.delay(50);
Util.waitForIdle(robot);
// verify if KEY_TYPED arrived
if (!"1".equals(textarea.getText())) {
throw new RuntimeException("Test Failed: text area text is \"" + textarea.getText() + "\", not \"1\"");
}
System.out.println("Test Passed");
}