Package com.intellij.lang.documentation

Source Code of com.intellij.lang.documentation.MetaDataDocumentationProvider

/*
* Copyright 2000-2007 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.lang.documentation;

import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.meta.PsiMetaBaseOwner;
import com.intellij.psi.meta.PsiMetaDataBase;
import com.intellij.psi.meta.PsiPresentableMetaData;
import org.jetbrains.annotations.Nullable;

/**
* @author Dmitry Avdeev
*/
public class MetaDataDocumentationProvider extends QuickDocumentationProvider {

  @Nullable
  public String getQuickNavigateInfo(PsiElement element) {

    if (element instanceof PsiMetaBaseOwner) {
      final PsiMetaDataBase metaData = ((PsiMetaBaseOwner)element).getMetaData();
      if (metaData != null) {
        String name = "\"" + metaData.getName() + "\"";
        if (metaData instanceof PsiPresentableMetaData) {
          name = ((PsiPresentableMetaData)metaData).getTypeName() + " " + name;
        }
        PsiFile file = element.getContainingFile();
        if (file != null) {
          return name + " [" + file.getName() + "]";
        }
        return name;
      }
    }
    return null;
  }
}
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