private static void assertGetLocation() { // the frame is now invisible // test getLocationOnScreen() of // JTable$AccessibleJTable$AccessibleJTableHeaderCell // and JTable$AccessibleJTable$AccessibleJTableCell AccessibleTable accessibleTable = (AccessibleTable) table.getAccessibleContext(); AccessibleTable header = accessibleTable.getAccessibleColumnHeader(); AccessibleComponent accessibleComp1 = (AccessibleComponent) header.getAccessibleAt(0, 0); // getLocation() must be null according to its javadoc and no exception // is thrown if (null != accessibleComp1.getLocationOnScreen()) { throw new RuntimeException( "JTable$AccessibleJTable$AccessibleJTableHeaderCell." + "getLocation() must be null"); } JComponent.AccessibleJComponent accessibleJComponent = (JComponent.AccessibleJComponent) table.getAccessibleContext(); AccessibleComponent accessibleComp2 = (AccessibleComponent) accessibleJComponent.getAccessibleChild(3); // getLocation() must be null according to its javadoc and no exception // is thrown if (null != accessibleComp2.getLocationOnScreen()) { throw new RuntimeException( "JTable$AccessibleJTable$" + "AccessibleJTableCell.getLocation() must be null"); } }
public static Accessible getAccessibleAt(final Component component, final Point point) { Accessible result = null; if (component == null) { return null; } AccessibleContext context = component.getAccessibleContext(); if (context == null) { return null; } AccessibleComponent accessibleComponent = context.getAccessibleComponent(); if (accessibleComponent == null) { return null; } return accessibleComponent.getAccessibleAt(point); }