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/*
* 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.psi.impl.file;
import com.intellij.ide.projectView.ProjectView;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.command.undo.GlobalUndoableAction;
import com.intellij.openapi.command.undo.UndoManager;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.module.ModuleUtilCore;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.*;
import com.intellij.openapi.roots.impl.ModifiableModelCommitter;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.wm.ToolWindow;
import com.intellij.openapi.wm.ToolWindowId;
import com.intellij.openapi.wm.ToolWindowManager;
import com.intellij.psi.*;
import com.intellij.psi.impl.PackagePrefixElementFinder;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.util.PsiModificationTracker;
import com.intellij.psi.util.PsiUtil;
import com.intellij.psi.util.PsiUtilCore;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.jps.model.java.JavaModuleSourceRootTypes;
import java.util.ArrayList;
import java.util.List;
/**
* @author yole
*/
public class PsiPackageImplementationHelperImpl extends PsiPackageImplementationHelper {
@NotNull
@Override
public GlobalSearchScope adjustAllScope(@NotNull PsiPackage psiPackage, @NotNull GlobalSearchScope globalSearchScope) {
return NonClasspathClassFinder.addNonClasspathScope(psiPackage.getProject(), globalSearchScope);
}
@NotNull
@Override
public VirtualFile[] occursInPackagePrefixes(@NotNull PsiPackage psiPackage) {
List<VirtualFile> result = new ArrayList<VirtualFile>();
final Module[] modules = ModuleManager.getInstance(psiPackage.getProject()).getModules();
String qualifiedName = psiPackage.getQualifiedName();
for (final Module module : modules) {
for (final ContentEntry contentEntry : ModuleRootManager.getInstance(module).getContentEntries()) {
final List<SourceFolder> sourceFolders = contentEntry.getSourceFolders(JavaModuleSourceRootTypes.SOURCES);
for (final SourceFolder sourceFolder : sourceFolders) {
final String packagePrefix = sourceFolder.getPackagePrefix();
if (packagePrefix.startsWith(qualifiedName)) {
final VirtualFile file = sourceFolder.getFile();
if (file != null) {
result.add(file);
}
}
}
}
}
return VfsUtilCore.toVirtualFileArray(result);
}
@Override
public void handleQualifiedNameChange(@NotNull final PsiPackage psiPackage, @NotNull final String newQualifiedName) {
ApplicationManager.getApplication().assertWriteAccessAllowed();
final String oldQualifedName = psiPackage.getQualifiedName();
final boolean anyChanged = changePackagePrefixes(psiPackage, oldQualifedName, newQualifiedName);
if (anyChanged) {
UndoManager.getInstance(psiPackage.getProject()).undoableActionPerformed(new GlobalUndoableAction() {
@Override
public void undo() {
changePackagePrefixes(psiPackage, newQualifiedName, oldQualifedName);
}
@Override
public void redo() {
changePackagePrefixes(psiPackage, oldQualifedName, newQualifiedName);
}
});
}
}
private static boolean changePackagePrefixes(@NotNull PsiPackage psiPackage, @NotNull String oldQualifiedName, @NotNull String newQualifiedName) {
final Module[] modules = ModuleManager.getInstance(psiPackage.getProject()).getModules();
List<ModifiableRootModel> modelsToCommit = new ArrayList<ModifiableRootModel>();
for (final Module module : modules) {
boolean anyChange = false;
final ModifiableRootModel rootModel = ModuleRootManager.getInstance(module).getModifiableModel();
for (final ContentEntry contentEntry : rootModel.getContentEntries()) {
for (final SourceFolder sourceFolder : contentEntry.getSourceFolders(JavaModuleSourceRootTypes.SOURCES)) {
final String packagePrefix = sourceFolder.getPackagePrefix();
if (packagePrefix.startsWith(oldQualifiedName)) {
sourceFolder.setPackagePrefix(newQualifiedName + packagePrefix.substring(oldQualifiedName.length()));
anyChange = true;
}
}
}
if (anyChange) {
modelsToCommit.add(rootModel);
} else {
rootModel.dispose();
}
}
if (!modelsToCommit.isEmpty()) {
ModifiableRootModel[] rootModels = modelsToCommit.toArray(new ModifiableRootModel[modelsToCommit.size()]);
if (rootModels.length > 0) {
ModifiableModelCommitter.multiCommit(rootModels, ModuleManager.getInstance(rootModels[0].getProject()).getModifiableModel());
}
return true;
} else {
return false;
}
}
@Override
public void navigate(@NotNull final PsiPackage psiPackage, final boolean requestFocus) {
final Project project = psiPackage.getProject();
ToolWindow window = ToolWindowManager.getInstance(project).getToolWindow(ToolWindowId.PROJECT_VIEW);
window.activate(null);
window.getActivation().doWhenDone(new Runnable() {
@Override
public void run() {
final ProjectView projectView = ProjectView.getInstance(project);
PsiDirectory[] directories = suggestMostAppropriateDirectories(psiPackage);
if (directories.length == 0) return;
projectView.select(directories[0], directories[0].getVirtualFile(), requestFocus);
}
});
}
@NotNull
private static PsiDirectory[] suggestMostAppropriateDirectories(@NotNull PsiPackage psiPackage) {
final Project project = psiPackage.getProject();
PsiDirectory[] directories = null;
final Editor editor = FileEditorManager.getInstance(project).getSelectedTextEditor();
if (editor != null) {
final Document document = editor.getDocument();
final PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(document);
if (psiFile != null) {
final Module module = ModuleUtilCore.findModuleForPsiElement(psiFile);
if (module != null) {
final VirtualFile virtualFile = PsiUtilCore.getVirtualFile(psiFile);
final boolean isInTests =
virtualFile != null && ModuleRootManager.getInstance(module).getFileIndex().isInTestSourceContent(virtualFile);
if (isInTests) {
directories = psiPackage.getDirectories(GlobalSearchScope.moduleTestsWithDependentsScope(module));
}
if (directories == null || directories.length == 0) {
directories = psiPackage.getDirectories(GlobalSearchScope.moduleWithDependenciesScope(module));
}
}
else {
directories = psiPackage.getDirectories(GlobalSearchScope.notScope(GlobalSearchScope.projectScope(project)));
}
}
}
if (directories == null || directories.length == 0) {
directories = psiPackage.getDirectories();
}
return directories;
}
@Override
public boolean packagePrefixExists(@NotNull PsiPackage psiPackage) {
return PackagePrefixElementFinder.getInstance(psiPackage.getProject()).packagePrefixExists(psiPackage.getQualifiedName());
}
@NotNull
@Override
public Object[] getDirectoryCachedValueDependencies(@NotNull PsiPackage psiPackage) {
return new Object[] { PsiModificationTracker.OUT_OF_CODE_BLOCK_MODIFICATION_COUNT, ProjectRootManager.getInstance(psiPackage.getProject()) };
}
}
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