本文整理汇总了Java中javax.swing.JComponent.getTopLevelAncestor方法的典型用法代码示例。如果您正苦于以下问题：Java JComponent.getTopLevelAncestor方法的具体用法？Java JComponent.getTopLevelAncestor怎么用？Java JComponent.getTopLevelAncestor使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.swing.JComponent的用法示例。
在下文中一共展示了JComponent.getTopLevelAncestor方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testClickInvokesCustomEditor
import javax.swing.JComponent; //导入方法依赖的package包/类
public void testClickInvokesCustomEditor() throws Exception {
if( !ExtTestCase.canSafelyRunFocusTests() )
return;
Node n = new ANode();
setCurrentNode (n, sheet);
sleep();
requestFocus (sheet.table);
sleep();
Component owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
if (owner == sheet.table) { //sanity check to avoid random failures on some window managers
System.out.println ("About to click cell");
Rectangle r = sheet.table.getCellRect(1, 1, false);
final MouseEvent me = new MouseEvent (sheet.table, MouseEvent.MOUSE_PRESSED,
System.currentTimeMillis(), MouseEvent.BUTTON1_MASK, r.x + 3,
r.y + 3, 2, false);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
sheet.table.dispatchEvent(me);
}
});
sleep();
sleep();
System.out.println ("Now checking focus");
owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
assertTrue ("Focus owner should be custom editor, not " + owner, owner instanceof JTextArea);
JComponent jc = (JComponent) owner;
assertTrue ("Custom editor should have been invoked, but focus owner's top level ancestor is not a dialog", jc.getTopLevelAncestor() instanceof Dialog);
Dialog d = (Dialog) jc.getTopLevelAncestor();
d.setVisible(false);
}
requestFocus (sheet.table);
sleep();
owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
if (owner == sheet.table) { //sanity check to avoid random failures on some window managers
pressKey(sheet.table, KeyEvent.VK_SPACE);
sleep();
owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
assertTrue ("After pressing a key, focus owner should still be the table, not " + owner, sheet.table == owner);
}
}