platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/ShowErrorDescriptionHandler.java

/*
 * Copyright 2000-2009 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.codeInsight.daemon.impl;

import com.intellij.codeInsight.CodeInsightActionHandler;
import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.NotNull;

public class ShowErrorDescriptionHandler implements CodeInsightActionHandler {
  private final int myWidth;

  public ShowErrorDescriptionHandler(final int width) {
    myWidth = width;
  }

  @Override
  public void invoke(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
    int offset = editor.getCaretModel().getOffset();
    DaemonCodeAnalyzer codeAnalyzer = DaemonCodeAnalyzer.getInstance(project);
    HighlightInfo info = ((DaemonCodeAnalyzerImpl)codeAnalyzer).findHighlightByOffset(editor.getDocument(), offset, false);
    if (info != null) {
      DaemonTooltipUtil.showInfoTooltip(info, editor, editor.getCaretModel().getOffset(), myWidth);
    }
  }

  @Override
  public boolean startInWriteAction() {
    return false;
  }
}