| /* |
| * Copyright 2000-2014 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; |
| |
| import com.intellij.ide.projectView.ProjectViewNode; |
| import com.intellij.ide.projectView.SelectableTreeStructureProvider; |
| import com.intellij.ide.projectView.ViewSettings; |
| import com.intellij.ide.projectView.impl.nodes.ClassTreeNode; |
| import com.intellij.ide.projectView.impl.nodes.PsiFileNode; |
| import com.intellij.ide.util.treeView.AbstractTreeNode; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.project.DumbAware; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.roots.ProjectFileIndex; |
| import com.intellij.openapi.roots.ProjectRootManager; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.jps.model.java.JavaModuleSourceRootTypes; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| public class ClassesTreeStructureProvider implements SelectableTreeStructureProvider, DumbAware { |
| private final Project myProject; |
| |
| public ClassesTreeStructureProvider(Project project) { |
| myProject = project; |
| } |
| |
| @NotNull |
| @Override |
| public Collection<AbstractTreeNode> modify(@NotNull AbstractTreeNode parent, @NotNull Collection<AbstractTreeNode> children, ViewSettings settings) { |
| ArrayList<AbstractTreeNode> result = new ArrayList<AbstractTreeNode>(); |
| for (final AbstractTreeNode child : children) { |
| Object o = child.getValue(); |
| if (o instanceof PsiClassOwner && !(o instanceof ServerPageFile)) { |
| final ViewSettings settings1 = ((ProjectViewNode)parent).getSettings(); |
| final PsiClassOwner classOwner = (PsiClassOwner)o; |
| final VirtualFile file = classOwner.getVirtualFile(); |
| |
| if (!(classOwner instanceof PsiCompiledElement)) { |
| //do not show duplicated items if jar file contains classes and sources |
| final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(myProject).getFileIndex(); |
| if (file != null && fileIndex.isInLibrarySource(file)) { |
| final PsiElement originalElement = classOwner.getOriginalElement(); |
| if (originalElement instanceof PsiFile) { |
| PsiFile classFile = (PsiFile)originalElement; |
| final VirtualFile virtualClassFile = classFile.getVirtualFile(); |
| if (virtualClassFile != null && fileIndex.isInLibraryClasses(virtualClassFile) |
| && !classOwner.getManager().areElementsEquivalent(classOwner, classFile) |
| && classOwner.getManager().areElementsEquivalent(classOwner.getContainingDirectory(), classFile.getContainingDirectory())) { |
| continue; |
| } |
| } |
| } |
| } |
| |
| if (fileInRoots(file)) { |
| PsiClass[] classes = ApplicationManager.getApplication().runReadAction(new Computable<PsiClass[]>() { |
| @Override |
| public PsiClass[] compute() { |
| return classOwner.getClasses(); |
| } |
| }); |
| if (classes.length == 1 && !(classes[0] instanceof SyntheticElement) && |
| (file == null || file.getNameWithoutExtension().equals(classes[0].getName()))) { |
| result.add(new ClassTreeNode(myProject, classes[0], settings1)); |
| } else { |
| result.add(new PsiClassOwnerTreeNode(classOwner, settings1)); |
| } |
| continue; |
| } |
| } |
| result.add(child); |
| } |
| return result; |
| } |
| |
| private boolean fileInRoots(VirtualFile file) { |
| final ProjectFileIndex index = ProjectRootManager.getInstance(myProject).getFileIndex(); |
| return file != null && (index.isUnderSourceRootOfType(file, JavaModuleSourceRootTypes.SOURCES) || index.isInLibraryClasses(file) || index.isInLibrarySource(file)); |
| } |
| |
| @Override |
| public Object getData(Collection<AbstractTreeNode> selected, String dataName) { |
| return null; |
| } |
| |
| @Override |
| public PsiElement getTopLevelElement(final PsiElement element) { |
| PsiFile baseRootFile = getBaseRootFile(element); |
| if (baseRootFile == null) return null; |
| |
| if (!fileInRoots(baseRootFile.getVirtualFile())) return baseRootFile; |
| |
| PsiElement current = element; |
| while (current != null) { |
| |
| if (isSelectable(current)) break; |
| if (isTopLevelClass(current, baseRootFile)) break; |
| |
| current = current.getParent(); |
| } |
| |
| if (current instanceof PsiClassOwner) { |
| PsiClass[] classes = ((PsiClassOwner)current).getClasses(); |
| if (classes.length == 1 && !(classes[0] instanceof SyntheticElement) && isTopLevelClass(classes[0], baseRootFile)) { |
| current = classes[0]; |
| } |
| } |
| |
| return current != null ? current : baseRootFile; |
| } |
| |
| private static boolean isSelectable(PsiElement element) { |
| if (element instanceof PsiFileSystemItem) return true; |
| |
| if (element instanceof PsiField || element instanceof PsiClass || element instanceof PsiMethod) { |
| return !(element.getParent() instanceof PsiAnonymousClass) && !(element instanceof PsiAnonymousClass); |
| } |
| |
| return false; |
| } |
| |
| @Nullable |
| private static PsiFile getBaseRootFile(PsiElement element) { |
| final PsiFile containingFile = element.getContainingFile(); |
| if (containingFile == null) return null; |
| |
| final FileViewProvider viewProvider = containingFile.getViewProvider(); |
| return viewProvider.getPsi(viewProvider.getBaseLanguage()); |
| } |
| |
| private static boolean isTopLevelClass(final PsiElement element, PsiFile baseRootFile) { |
| |
| if (!(element instanceof PsiClass)) { |
| return false; |
| } |
| |
| if (element instanceof PsiAnonymousClass) { |
| return false; |
| } |
| |
| final PsiFile parentFile = parentFileOf((PsiClass)element); |
| // do not select JspClass |
| return parentFile != null && parentFile.getLanguage() == baseRootFile.getLanguage(); |
| } |
| |
| @Nullable |
| private static PsiFile parentFileOf(final PsiClass psiClass) { |
| return psiClass.getContainingClass() == null ? psiClass.getContainingFile() : null; |
| } |
| |
| private static class PsiClassOwnerTreeNode extends PsiFileNode { |
| |
| public PsiClassOwnerTreeNode(PsiClassOwner classOwner, ViewSettings settings) { |
| super(classOwner.getProject(), classOwner, settings); |
| } |
| |
| @Override |
| public Collection<AbstractTreeNode> getChildrenImpl() { |
| final ViewSettings settings = getSettings(); |
| final ArrayList<AbstractTreeNode> result = new ArrayList<AbstractTreeNode>(); |
| for (PsiClass aClass : ((PsiClassOwner)getValue()).getClasses()) { |
| if (!(aClass instanceof SyntheticElement)) { |
| result.add(new ClassTreeNode(myProject, aClass, settings)); |
| } |
| } |
| return result; |
| } |
| |
| } |
| } |