本文整理匯總了Java中javax.swing.JComponent.getTopLevelAncestor方法的典型用法代碼示例。如果您正苦於以下問題：Java JComponent.getTopLevelAncestor方法的具體用法？Java JComponent.getTopLevelAncestor怎麽用？Java JComponent.getTopLevelAncestor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.JComponent的用法示例。
在下文中一共展示了JComponent.getTopLevelAncestor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: testClickInvokesCustomEditor
import javax.swing.JComponent; //導入方法依賴的package包/類
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);
}
}