@Override
public Object[] getDirectoryCachedValueDependencies(PsiPackage psiPackage) {
return new Object[] {
PsiModificationTracker.OUT_OF_CODE_BLOCK_MODIFICATION_COUNT,
ProjectRootManager.getInstance(psiPackage.getProject())
};
}
private static PsiDirectory[] suggestMostAppropriateDirectories(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 = ModuleUtil.findModuleForPsiElement(psiFile);
if (module != null) {
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 void navigate(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);
}
});
}
@Override
public void handleQualifiedNameChange(
final PsiPackage psiPackage, 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(
PsiPackage psiPackage, final String oldQualifiedName, final 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 VirtualFile[] occursInPackagePrefixes(PsiPackage psiPackage) {
List<VirtualFile> result = new ArrayList<VirtualFile>();
final Module[] modules = ModuleManager.getInstance(psiPackage.getProject()).getModules();
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(psiPackage.getQualifiedName())) {
final VirtualFile file = sourceFolder.getFile();
if (file != null) {
result.add(file);
}
}
}
}
}
return VfsUtil.toVirtualFileArray(result);
}
@Override
public GlobalSearchScope adjustAllScope(
PsiPackage psiPackage, GlobalSearchScope globalSearchScope) {
return NonClasspathClassFinder.addNonClasspathScope(psiPackage.getProject(), globalSearchScope);
}
@Override
public boolean packagePrefixExists(PsiPackage psiPackage) {
return PackagePrefixElementFinder.getInstance(psiPackage.getProject())
.packagePrefixExists(psiPackage.getQualifiedName());
}