content: /*
   * 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 mf.org.apache.xerces.dom.events;
  
  import mf.org.w3c.dom.Node;
  import mf.org.w3c.dom.events.MutationEvent;
  
  /**
   * An implementation of the DOM Level 2 <code>MutationEvent</code> interface.
   *
   * @version $Id: MutationEventImpl.java 533531 2007-04-29 17:24:58Z mrglavas $
   * @xerces.internal
   */
  public class MutationEventImpl
          extends EventImpl
          implements MutationEvent {
  
      // NON-DOM CONSTANTS: Storage efficiency, avoid risk of typos.
      public static final String DOM_SUBTREE_MODIFIED = "DOMSubtreeModified";
      public static final String DOM_NODE_INSERTED = "DOMNodeInserted";
      public static final String DOM_NODE_REMOVED = "DOMNodeRemoved";
      public static final String DOM_NODE_REMOVED_FROM_DOCUMENT = "DOMNodeRemovedFromDocument";
      public static final String DOM_NODE_INSERTED_INTO_DOCUMENT = "DOMNodeInsertedIntoDocument";
      public static final String DOM_ATTR_MODIFIED = "DOMAttrModified";
      public static final String DOM_CHARACTER_DATA_MODIFIED = "DOMCharacterDataModified";
      // REVISIT: The DOM Level 2 PR has a bug: the init method should let this
      // attribute be specified. Since it doesn't we have to give write access.
      public short attrChange;
      Node relatedNode = null;
      String prevValue = null;
      String newValue = null;
      String attrName = null;
  
      /**
       * @return the name of the Attr which
       * changed, for DOMAttrModified events.
       * Undefined for others.
       */
      @Override
      public String getAttrName() {
          return attrName;
      }
  
      /**
       * <code>attrChange</code> indicates the type of change which triggered
       * the DOMAttrModified event. The values can be <code>MODIFICATION</code>
       * , <code>ADDITION</code>, or <code>REMOVAL</code>.
       */
      @Override
      public short getAttrChange() {
          return attrChange;
      }
  
      /**
       * @return the new string value of the Attr for DOMAttrModified events, or
       * of the CharacterData node for DOMCharDataModifed events.
       * Undefined for others.
       */
      @Override
      public String getNewValue() {
          return newValue;
      }
  
      /**
       * @return the previous string value of the Attr for DOMAttrModified events, or
       * of the CharacterData node for DOMCharDataModifed events.
       * Undefined for others.
       */
      @Override
      public String getPrevValue() {
          return prevValue;
      }
  
      /**
       * @return a Node related to this event, other than the target that the
       * node was dispatched to. For DOMNodeRemoved, it is the node which
       * was removed.
       * No other uses are currently defined.
       */
      @Override
      public Node getRelatedNode() {
          return relatedNode;
      }
  
      /**
       * Initialize a mutation event, or overwrite the event's current
       * settings with new values of the parameters.
       */
      @Override
      public void initMutationEvent(String typeArg, boolean canBubbleArg,
                                    boolean cancelableArg, Node relatedNodeArg, String prevValueArg,
                                    String newValueArg, String attrNameArg, short attrChangeArg) {
          relatedNode = relatedNodeArg;
          prevValue = prevValueArg;
          newValue = newValueArg;
          attrName = attrNameArg;
          attrChange = attrChangeArg;
          super.initEvent(typeArg, canBubbleArg, cancelableArg);
      }
  }
  