/*
 * 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.ui;

import com.intellij.openapi.editor.Document;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.util.NullableFunction;
import org.jetbrains.annotations.Nullable;

import java.awt.event.ActionListener;

/**
 * @author yole
 */
public class JavaReferenceEditorUtil {
  private JavaReferenceEditorUtil() {
  }

  public static ReferenceEditorWithBrowseButton createReferenceEditorWithBrowseButton(final ActionListener browseActionListener,
                                                                                      final String text,
                                                                                      final Project project,
                                                                                      final boolean toAcceptClasses) {
    return new ReferenceEditorWithBrowseButton(browseActionListener, project,
                                               new NullableFunction<String,Document>() {
      public Document fun(final String s) {
        return createDocument(s, project, toAcceptClasses);
      }
    }, text);
  }

  @Nullable
  public static Document createDocument(final String text,
                                        Project project,
                                        boolean isClassesAccepted) {
    return createDocument(text, project, isClassesAccepted, JavaCodeFragment.VisibilityChecker.EVERYTHING_VISIBLE);
  }

  @Nullable
  public static Document createDocument(final String text,
                                        Project project,
                                        boolean isClassesAccepted, 
                                        JavaCodeFragment.VisibilityChecker visibilityChecker) {
    final PsiPackage defaultPackage = JavaPsiFacade.getInstance(project).findPackage("");
    final JavaCodeFragmentFactory factory = JavaCodeFragmentFactory.getInstance(project);
    final JavaCodeFragment fragment = factory.createReferenceCodeFragment(text, defaultPackage, true, isClassesAccepted);
    fragment.setVisibilityChecker(visibilityChecker);
    return PsiDocumentManager.getInstance(project).getDocument(fragment);
  }

  @Nullable
  public static Document createTypeDocument(final String text, Project project) {
    final PsiPackage defaultPackage = JavaPsiFacade.getInstance(project).findPackage("");
    final JavaCodeFragmentFactory factory = JavaCodeFragmentFactory.getInstance(project);
    final JavaCodeFragment fragment = factory.createTypeCodeFragment(text, defaultPackage, true);
    fragment.setVisibilityChecker(JavaCodeFragment.VisibilityChecker.EVERYTHING_VISIBLE);
    return PsiDocumentManager.getInstance(project).getDocument(fragment);
  }
}