ProjectViewModuleGroupNode.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.projectView.impl.ModuleGroup;
import com.intellij.ide.util.treeView.AbstractTreeNode;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiManager;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

public class ProjectViewModuleGroupNode extends ModuleGroupNode {
  public ProjectViewModuleGroupNode(final Project project, final Object value, final ViewSettings viewSettings) {
    super(project, (ModuleGroup)value, viewSettings);
  }

  public ProjectViewModuleGroupNode(final Project project, final ModuleGroup value, final ViewSettings viewSettings) {
    super(project, value, viewSettings);
  }

  @Override
  protected AbstractTreeNode createModuleNode(Module module)
    throws InstantiationException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {
    final VirtualFile[] roots = ModuleRootManager.getInstance(module).getContentRoots();
    if (roots.length == 1) {
      final PsiDirectory psi = PsiManager.getInstance(myProject).findDirectory(roots[0]);
      if (psi != null) {
        return new PsiDirectoryNode(myProject, psi, getSettings());
      }
    }

    return new ProjectViewModuleNode(getProject(), module, getSettings());
  }

  @Override
  protected ModuleGroupNode createModuleGroupNode(ModuleGroup moduleGroup) {
    return new ProjectViewModuleGroupNode(getProject(), moduleGroup, getSettings());
  }


  @NotNull
  @Override
  protected List<Module> getModulesByFile(@NotNull VirtualFile file) {
    return ContainerUtil.createMaybeSingletonList(ProjectRootManager.getInstance(myProject).getFileIndex().getModuleForFile(file, false));
  }
}