/*
 * 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.openapi.roots.ui.configuration;

import com.intellij.openapi.roots.CompilerModuleExtension;
import com.intellij.openapi.roots.ContentEntry;
import com.intellij.openapi.roots.ExcludeFolder;
import com.intellij.openapi.roots.SourceFolder;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.*;
import java.util.List;

public abstract class JavaContentEntryEditor extends ContentEntryEditor {
  private final CompilerModuleExtension myCompilerExtension;

  public JavaContentEntryEditor(final String contentEntryUrl, List<ModuleSourceRootEditHandler<?>> moduleSourceRootEditHandlers) {
    super(contentEntryUrl, moduleSourceRootEditHandlers);
    myCompilerExtension = getModel().getModuleExtension(CompilerModuleExtension.class);
  }

  @Override
  protected ContentRootPanel createContentRootPane() {
    return new ContentRootPanel(this, getEditHandlers()) {
      @Nullable
      @Override
      protected ContentEntry getContentEntry() {
        return JavaContentEntryEditor.this.getContentEntry();
      }

      @Nullable
      @Override
      protected JComponent createRootPropertiesEditor(ModuleSourceRootEditHandler<?> editor, SourceFolder folder) {
        return editor.createPropertiesEditor(folder, this, myCallback);
      }
    };
  }

  @Override
  protected ExcludeFolder doAddExcludeFolder(@NotNull final VirtualFile file) {
    final boolean isCompilerOutput = isCompilerOutput(file.getUrl());
    if (isCompilerOutput) {
      myCompilerExtension.setExcludeOutput(true);
      return null;
    }
    return super.doAddExcludeFolder(file);
  }

  @Override
  protected void doRemoveExcludeFolder(@NotNull final String excludeRootUrl) {
    if (isCompilerOutput(excludeRootUrl)) {
      myCompilerExtension.setExcludeOutput(false);
    }
    super.doRemoveExcludeFolder(excludeRootUrl);
  }

  private boolean isCompilerOutput(@NotNull final String fileUrl) {
    if (fileUrl.equals(myCompilerExtension.getCompilerOutputUrl())) {
      return true;
    }

    if (fileUrl.equals(myCompilerExtension.getCompilerOutputUrlForTests())) {
      return true;
    }

    if (myCompilerExtension.isCompilerOutputPathInherited()) {
      final ProjectStructureConfigurable instance = ProjectStructureConfigurable.getInstance(getModel().getModule().getProject());
      final String compilerOutputUrl = instance.getProjectConfig().getCompilerOutputUrl();
      if (fileUrl.equals(compilerOutputUrl)) {
        return true;
      }
    }

    return false;
  }
}