content: // ===============================================================================
  // Authors: AFRL/RQQD
  // Organization: Air Force Research Laboratory, Aerospace Systems Directorate, Power and Control Division
  // 
  // Copyright (c) 2017 Government of the United State of America, as represented by
  // the Secretary of the Air Force.  No copyright is claimed in the United States under
  // Title 17, U.S. Code.  All Other Rights Reserved.
  // ===============================================================================
  
  /*
   * Copyright (c) 2004 Andreas Ernst
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package org.flexdock.docking.floating.frames;
  
  import java.applet.Applet;
  import java.awt.Component;
  import java.awt.Dialog;
  import java.awt.Frame;
  import java.awt.event.ComponentEvent;
  import java.awt.event.ComponentListener;
  
  import javax.swing.JDialog;
  import javax.swing.JRootPane;
  import javax.swing.SwingUtilities;
  
  import org.flexdock.docking.Dockable;
  import org.flexdock.docking.DockingConstants;
  import org.flexdock.docking.DockingManager;
  import org.flexdock.docking.DockingPort;
  import org.flexdock.docking.state.FloatingGroup;
  import org.flexdock.util.RootWindow;
  
  /**
   * @author Andreas Ernst
   * @author Christopher Butler
   */
  @SuppressWarnings(value = { "serial" })
  public class DockingFrame extends JDialog implements DockingConstants {
      private static final BoundsMonitor BOUNDS_MONITOR = new BoundsMonitor();
  
      private FloatingDockingPort dockingPort;
  
      private String groupName;
  
      public static DockingFrame create(Component c, String groupName) {
          RootWindow rootWin = RootWindow.getRootContainer(c);
          Component window = rootWin.getRootContainer();
          if (window instanceof DockingFrame) {
              window = ((DockingFrame) window).getOwner();
          }
  
          //Applets are actually contained in a frame
          if (window instanceof Applet)
              window = SwingUtilities.windowForComponent(window);
  
          if (window instanceof Frame)
              return new DockingFrame((Frame) window, groupName);
          if (window instanceof Dialog)
              return new DockingFrame((Dialog) window, groupName);
  
          return null;
      }
  
      // constructor
      public DockingFrame(Frame owner, String groupName) {
          super(owner);
          initialize(groupName);
      }
  
      public DockingFrame(Dialog owner, String groupName) {
          super(owner);
          initialize(groupName);
      }
  
      // private
  
      private void initialize(String groupName) {
          setUndecorated(true);
          getRootPane().setWindowDecorationStyle(JRootPane.NONE);
  
          // TODO I am not sure null should be passed here,
          // maybe we should use our IDPersistentIdProvider
          dockingPort = new FloatingDockingPort(this, null);
          setContentPane(dockingPort);
          this.groupName = groupName;
          addComponentListener(BOUNDS_MONITOR);
      }
  
      // override
  
      protected JRootPane createRootPane() {
          return new RootPane(this);
      }
  
      public DockingPort getDockingPort() {
          return dockingPort;
      }
  
      public void addDockable(Dockable dockable) {
          if (dockable == null)
              return;
  
          dockingPort.dock(dockable, CENTER_REGION);
      }
  
      public void destroy() {
          setVisible(false);
          dockingPort = null;
          FloatingGroup group = getGroup();
          if (group != null)
              group.setFrame(null);
          dispose();
      }
  
      public String getGroupName() {
          return groupName;
      }
  
      public FloatingGroup getGroup() {
          return DockingManager.getFloatManager().getGroup(getGroupName());
      }
  
      private static class BoundsMonitor implements ComponentListener {
  
          public void componentHidden(ComponentEvent e) {
              // noop
          }
  
          public void componentMoved(ComponentEvent e) {
              updateBounds(e);
          }
  
          public void componentResized(ComponentEvent e) {
              updateBounds(e);
          }
  
          public void componentShown(ComponentEvent e) {
              updateBounds(e);
          }
  
          private void updateBounds(ComponentEvent evt) {
              Component c = (Component) evt.getComponent();
              if (!(c instanceof DockingFrame))
                  return;
  
              DockingFrame frame = (DockingFrame) c;
              FloatingGroup group = frame.getGroup();
              if (group != null)
                  group.setBounds(frame.getBounds());
          }
      }
  }
  