xml/impl/src/com/intellij/refactoring/util/XmlNonCodeSearchElementDescriptionProvider.java

/*
 * 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.refactoring.util;

import com.intellij.psi.ElementDescriptionLocation;
import com.intellij.psi.ElementDescriptionProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.xml.XmlAttribute;
import com.intellij.psi.xml.XmlAttributeValue;
import com.intellij.psi.xml.XmlTag;
import org.jetbrains.annotations.NotNull;

/**
 * @author yole
 */
public class XmlNonCodeSearchElementDescriptionProvider implements ElementDescriptionProvider {
  @Override
  public String getElementDescription(@NotNull final PsiElement element, @NotNull final ElementDescriptionLocation location) {
    if (!(location instanceof NonCodeSearchDescriptionLocation)) return null;
    final NonCodeSearchDescriptionLocation ncdLocation = (NonCodeSearchDescriptionLocation)location;
    if (ncdLocation.isNonJava()) return null;
    if (element instanceof XmlTag) {
      return ((XmlTag)element).getValue().getTrimmedText();
    }
    else if (element instanceof XmlAttribute) {
      return ((XmlAttribute)element).getValue();
    }
    else if (element instanceof XmlAttributeValue) {
      return ((XmlAttributeValue)element).getValue();
    }
    return null;
  }
}