GotoXmlSchemaTypeRendererProvider.java

/*
 * Copyright 2000-2012 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.xml.impl.schema;

import com.intellij.codeInsight.navigation.GotoTargetHandler;
import com.intellij.codeInsight.navigation.GotoTargetRendererProvider;
import com.intellij.ide.util.PsiElementListCellRenderer;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.impl.source.xml.XmlTagImpl;
import com.intellij.psi.xml.XmlAttribute;
import org.jetbrains.annotations.NotNull;

public class GotoXmlSchemaTypeRendererProvider implements GotoTargetRendererProvider {
  @Override
  public PsiElementListCellRenderer getRenderer(@NotNull PsiElement element, @NotNull GotoTargetHandler.GotoData gotoData) {
    if (element instanceof XmlTagImpl) {
      if (SchemaDefinitionsSearch.isTypeElement((XmlTagImpl)element)) {
        return new MyRenderer("");
      }  else if (SchemaDefinitionsSearch.isElementWithSomeEmbeddedType((XmlTagImpl)element)) {
        return new MyRenderer("xsd:element: ");
      }
    }
    return null;
  }

  private static class MyRenderer extends PsiElementListCellRenderer<XmlTagImpl> {
    private final String myPrefix;

    private MyRenderer(String prefix) {
      myPrefix = prefix;
    }

    @Override
    public String getElementText(XmlTagImpl element) {
      final XmlAttribute attr = SchemaDefinitionsSearch.getNameAttr(element);
      return myPrefix + (attr == null || attr.getValue() == null ? element.getName() : attr.getValue());
    }

    @Override
    protected String getContainerText(XmlTagImpl element, String name) {
      final PsiFile file = element.getContainingFile();
      return "(" + file.getName() + ")";
    }

    @Override
    protected int getIconFlags() {
      return 0;
    }
  }
}