GrReferenceHighlighter.java

/*
 * Copyright 2000-2017 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 org.jetbrains.plugins.groovy.annotator;

import com.intellij.codeHighlighting.TextEditorHighlightingPass;
import com.intellij.codeInsight.daemon.impl.HighlightInfo;
import com.intellij.codeInsight.daemon.impl.UpdateHighlightersUtil;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.progress.ProgressIndicator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.lang.psi.GroovyFileBase;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Max Medvedev
 */
public class GrReferenceHighlighter extends TextEditorHighlightingPass {
  private final GroovyFileBase myFile;
  private List<HighlightInfo> myInfos = null;

  public GrReferenceHighlighter(@Nullable Document document, @NotNull GroovyFileBase file) {
    super(file.getProject(), document);
    myFile = file;
  }

  @Override
  public void doCollectInformation(@NotNull ProgressIndicator progress) {
    myInfos = new ArrayList<>();

    myFile.accept(new ResolveHighlightingVisitor(myFile, myProject, myInfos));
    myFile.accept(new InaccessibleElementVisitor(myFile, myProject, myInfos));
  }

  @Override
  public void doApplyInformationToEditor() {
    if (myInfos == null || myDocument == null) return;
    UpdateHighlightersUtil.setHighlightersToEditor(myProject, myDocument, 0, myFile.getTextLength(), myInfos, getColorsScheme(), getId());
  }
}