PackageViewModuleNode.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.ide.projectView.impl.nodes;

import com.intellij.ide.projectView.ViewSettings;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.ide.util.treeView.AbstractTreeUi;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleUtilCore;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;

public class PackageViewModuleNode extends AbstractModuleNode{
  public PackageViewModuleNode(Project project, Module value, ViewSettings viewSettings) {
    super(project, value, viewSettings);
  }

  public PackageViewModuleNode(Project project, Object value, ViewSettings viewSettings) {
    this(project, (Module)value, viewSettings);
  }

  @Override
  @NotNull
  public Collection<AbstractTreeNode> getChildren() {
    return AbstractTreeUi.calculateYieldingToWriteAction(() -> {
      List<VirtualFile> roots = Arrays.asList(ModuleRootManager.getInstance(getValue()).getSourceRoots());
      final Collection<AbstractTreeNode> result = PackageUtil.createPackageViewChildrenOnFiles(roots, myProject, getSettings(), getValue(), false);
      if (getSettings().isShowLibraryContents()) {
        result.add(new PackageViewLibrariesNode(getProject(), getValue(),getSettings()));
      }
      return result;
    });
  }

  @Override
  public boolean contains(@NotNull VirtualFile file) {
    Module module = getValue();
    return module != null && !module.isDisposed() &&
           (ModuleUtilCore.moduleContainsFile(module, file, false) || ModuleUtilCore.moduleContainsFile(module, file, true));
  }

  @Override
  public boolean validate() {
    return getValue() != null;
  }

  @Override
  public boolean someChildContainsFile(VirtualFile file) {
    return true;
  }
}