/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed 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 com.intellij.pom.xml.impl.events;

import com.intellij.pom.PomModel;
import com.intellij.pom.event.PomModelEvent;
import com.intellij.pom.xml.XmlAspect;
import com.intellij.pom.xml.events.XmlTagChildChanged;
import com.intellij.pom.xml.impl.XmlAspectChangeSetImpl;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.xml.XmlTag;
import com.intellij.psi.xml.XmlTagChild;

public class XmlTagChildChangedImpl implements XmlTagChildChanged {
  private final XmlTag myTag;
  private final XmlTagChild myChild;
  public XmlTagChildChangedImpl(XmlTag context, XmlTagChild treeElement) {
    myTag = context;
    myChild = treeElement;
  }

  @Override
  public XmlTag getTag() {
    return myTag;
  }

  @Override
  public XmlTagChild getChild() {
    return myChild;
  }

  public static PomModelEvent createXmlTagChildChanged(PomModel source, XmlTag context, XmlTagChild treeElement) {
    final PomModelEvent event = new PomModelEvent(source);
    final XmlAspectChangeSetImpl xmlAspectChangeSet = new XmlAspectChangeSetImpl(source, PsiTreeUtil.getParentOfType(context, XmlFile.class));
    xmlAspectChangeSet.add(new XmlTagChildChangedImpl(context, treeElement));
    event.registerChangeSet(source.getModelAspect(XmlAspect.class), xmlAspectChangeSet);
    return event;
  }
  @SuppressWarnings({"HardCodedStringLiteral"})
  public String toString() {
    return "child changed in " + getTag().getName() + " child: " + myChild.toString();
  }
}