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) 2005 FlexDock Development Team. All rights reserved.
   *
   * 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
   * 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.
   */
  package org.flexdock.perspective.persist.xml;
  
  import java.awt.Point;
  
  import org.flexdock.docking.DockingConstants;
  import org.flexdock.docking.state.DockingPath;
  import org.flexdock.docking.state.DockingState;
  import org.flexdock.docking.state.MinimizationManager;
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  import org.w3c.dom.NodeList;
  
  /**
   * Created on 2005-06-03
   *
   * @author <a href="mailto:mati@sz.home.pl">Mateusz Szczap</a>
   * @version $Id: DockingStateSerializer.java,v 1.20 2005-07-07 17:21:28 winnetou25 Exp $
   */
  public class DockingStateSerializer implements ISerializer {
  
      private final static String OPENED_STATE = "opened";
      private final static String MINIMIZED_STATE = "minimized";
      private final static String FLOATING_STATE = "floating";
  
      /**
       * @see org.flexdock.perspective.persist.xml.ISerializer#serialize(org.w3c.dom.Document, java.lang.Object)
       */
      public Element serialize(Document document, Object object) {
          DockingState dockingState = (DockingState) object;
  
          Element dockingStateElement = document.createElement(PersistenceConstants.DOCKING_STATE_ELEMENT_NAME);
          dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_DOCKABLE_ID, dockingState.getDockableId());
          if (dockingState.getRelativeParentId() != null && !dockingState.getRelativeParentId().equals("")) {
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_RELATIVE_PARENT_ID, dockingState.getRelativeParentId());
          }
          dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_REGION, dockingState.getRegion().toLowerCase());
  
          if (dockingState.getSplitRatio() != DockingConstants.UNINITIALIZED_RATIO) {
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_SPLIT_RATIO, String.valueOf(dockingState.getSplitRatio()));
          }
  
          handleDockingState(dockingStateElement, dockingState);
  
          if (dockingState.isFloating()) {
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_FLOATING_GROUP_NAME, dockingState.getFloatingGroup());
          } else if (dockingState.isMinimized()) {
              int constraint = dockingState.getMinimizedConstraint();
              String presConstraint = getPresentationMinimizeConstraint(constraint);
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_MINIMIZE_CONSTRAINT, presConstraint);
          }
  
          if (dockingState.hasCenterPoint()) {
              ISerializer pointSerializer = SerializerRegistry.getSerializer(Point.class);
              Element pointElement = pointSerializer.serialize(document, dockingState.getCenterPoint());
              dockingStateElement.appendChild(pointElement);
          }
  
          if (dockingState.hasDockingPath()) {
              ISerializer dockingPathSerializer = SerializerRegistry.getSerializer(DockingPath.class);
              Element dockingPathElement = dockingPathSerializer.serialize(document, dockingState.getPath());
              dockingStateElement.appendChild(dockingPathElement);
          }
  
          return dockingStateElement;
      }
  
      private void handleDockingState(Element dockingStateElement, DockingState dockingState) {
          if (dockingState.isMinimized()) {
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_STATE, MINIMIZED_STATE);
          } else if (dockingState.isFloating()) {
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_STATE, FLOATING_STATE);
          } else {
              dockingStateElement.setAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_STATE, OPENED_STATE);
          }
      }
  
      private String getPresentationMinimizeConstraint(int constraint) {
          switch (constraint) {
  
          case MinimizationManager.LEFT:
              return "left";
          case MinimizationManager.BOTTOM:
              return "bottom";
          case MinimizationManager.CENTER:
              return "center";
          case MinimizationManager.RIGHT:
              return "right";
          case MinimizationManager.TOP:
              return "top";
          case MinimizationManager.UNSPECIFIED_LAYOUT_CONSTRAINT:
              return "unspecified";
  
          default:
              throw new RuntimeException("Unknown dockbarEdge");
          }
      }
  
      private int getRealMinimizeConstraint(String presConstraint) {
          if (presConstraint.equals("left")) {
              return MinimizationManager.LEFT;
          } else if (presConstraint.equals("bottom")) {
              return MinimizationManager.BOTTOM;
          } else if (presConstraint.equals("center")) {
              return MinimizationManager.CENTER;
          } else if (presConstraint.equals("right")) {
              return MinimizationManager.RIGHT;
          } else if (presConstraint.equals("top")) {
              return MinimizationManager.TOP;
          }
  
          throw new RuntimeException("Minimization conversion error!");
      }
  
      public Object deserialize(Element element) {
          String dockableId = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_DOCKABLE_ID);
          String relativeParentId = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_RELATIVE_PARENT_ID);
          String region = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_REGION);
  
          DockingState dockingState = new DockingState(dockableId);
          if (relativeParentId != null && !relativeParentId.equals("")) {
              dockingState.setRelativeParentId(relativeParentId);
          }
  
          dockingState.setRegion(region.toUpperCase());
  
          String splitRatioString = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_SPLIT_RATIO);
          if (splitRatioString != null && !splitRatioString.equals("")) {
              float splitRatio = Float.parseFloat(splitRatioString);
              dockingState.setSplitRatio(splitRatio);
          }
  
          String dockingStateState = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_STATE);
          if (dockingStateState.equals(FLOATING_STATE)) {
              String floatingGroupName = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_FLOATING_GROUP_NAME);
              if (floatingGroupName != null && !floatingGroupName.equals("")) {
                  dockingState.setFloatingGroup(floatingGroupName);
              }
          } else if (dockingStateState.equals(MINIMIZED_STATE)) {
              String minimizeConstraint = element.getAttribute(PersistenceConstants.DOCKING_STATE_ATTRIBUTE_MINIMIZE_CONSTRAINT);
              int minimizeConstraintInt = getRealMinimizeConstraint(minimizeConstraint);
              dockingState.setMinimizedConstraint(minimizeConstraintInt);
          }
          ISerializer pointDeserializer = SerializerRegistry.getSerializer(Point.class);
          NodeList pointNodeList = element.getElementsByTagName(PersistenceConstants.POINT_ELEMENT_NAME);
          if (pointNodeList.getLength() > 0 && pointNodeList.item(0) instanceof Element) {
              Element centerPointElement = (Element) pointNodeList.item(0);
              Point centerPoint = (Point) pointDeserializer.deserialize(centerPointElement);
              dockingState.setCenter(centerPoint);
          }
  
          ISerializer dockingPathDeserializer = SerializerRegistry.getSerializer(DockingPath.class);
          NodeList dockingPathNodeList = element.getElementsByTagName(PersistenceConstants.DOCKING_PATH_ELEMENT_NAME);
          if (dockingPathNodeList.getLength() > 0 && dockingPathNodeList.item(0) instanceof Element) {
              Element dockingPathElement = (Element) dockingPathNodeList.item(0);
              DockingPath dockingPath = (DockingPath) dockingPathDeserializer.deserialize(dockingPathElement);
              dockingState.setPath(dockingPath);
          }
  
          return dockingState;
      }
  
  }
  