| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.knox.gateway.shell.commands; |
| |
| import java.awt.Component; |
| import java.awt.Window; |
| import java.awt.event.HierarchyEvent; |
| import java.awt.event.HierarchyListener; |
| import java.awt.event.WindowAdapter; |
| import java.awt.event.WindowEvent; |
| |
| import javax.swing.SwingUtilities; |
| import javax.swing.text.JTextComponent; |
| |
| public class SwingUtils { |
| |
| // JDK-5018574 : Unable to set focus to another component in JOptionPane |
| public static void workAroundFocusIssue(JTextComponent field) { |
| field.addHierarchyListener(new HierarchyListener() { |
| @Override |
| public void hierarchyChanged(HierarchyEvent e) { |
| final Component c = e.getComponent(); |
| if (c.isShowing() && (e.getChangeFlags() & |
| HierarchyEvent.SHOWING_CHANGED) != 0) { |
| Window toplevel = SwingUtilities.getWindowAncestor(c); |
| toplevel.addWindowFocusListener(new WindowAdapter() { |
| @Override |
| public void windowGainedFocus(WindowEvent e) { |
| c.requestFocus(); |
| } |
| }); |
| } |
| } |
| }); |
| } |
| } |