UiUtils.java 文件源码

public static void makeOwningDialogResizable(@Nonnull final Component component, @Nonnull @MustNotContainNull final Runnable... extraActions) {
  final HierarchyListener listener = new HierarchyListener() {
    @Override
    public void hierarchyChanged(@Nonnull final HierarchyEvent e) {
      final Window window = SwingUtilities.getWindowAncestor(component);
      if (window instanceof Dialog) {
        final Dialog dialog = (Dialog) window;
        if (!dialog.isResizable()) {
          dialog.setResizable(true);
          component.removeHierarchyListener(this);

          for (final Runnable r : extraActions) {
            r.run();
          }
        }
      }
    }
  };
  component.addHierarchyListener(listener);
}