@Nullable
public static VirtualFile getDirectory(@NotNull final FindModel findModel) {
String directoryName = findModel.getDirectoryName();
if (findModel.isProjectScope() || StringUtil.isEmpty(directoryName)) {
return null;
}
String path = directoryName.replace(File.separatorChar, '/');
VirtualFile virtualFile = LocalFileSystem.getInstance().findFileByPath(path);
if (virtualFile == null || !virtualFile.isDirectory()) {
virtualFile = null;
for (LocalFileProvider provider :
((VirtualFileManagerEx) VirtualFileManager.getInstance()).getLocalFileProviders()) {
VirtualFile file = provider.findLocalVirtualFileByPath(path);
if (file != null && file.isDirectory()) {
if (file.getChildren().length > 0) {
virtualFile = file;
break;
}
if (virtualFile == null) {
virtualFile = file;
}
}
}
}
return virtualFile;
}
@NotNull
public static UsageViewPresentation setupViewPresentation(
final boolean toOpenInNewTab, @NotNull FindModel findModel) {
final UsageViewPresentation presentation = new UsageViewPresentation();
final String scope = getTitleForScope(findModel);
final String stringToFind = findModel.getStringToFind();
presentation.setScopeText(scope);
if (stringToFind.isEmpty()) {
presentation.setTabText("Files");
presentation.setToolwindowTitle(BundleBase.format("Files in {0}", scope));
presentation.setUsagesString("files");
} else {
FindModel.SearchContext searchContext = findModel.getSearchContext();
String contextText = "";
if (searchContext != FindModel.SearchContext.ANY) {
contextText =
FindBundle.message(
"find.context.presentation.scope.label",
FindDialog.getPresentableName(searchContext));
}
presentation.setTabText(
FindBundle.message("find.usage.view.tab.text", stringToFind, contextText));
presentation.setToolwindowTitle(
FindBundle.message("find.usage.view.toolwindow.title", stringToFind, scope, contextText));
presentation.setUsagesString(FindBundle.message("find.usage.view.usages.text", stringToFind));
presentation.setUsagesWord(FindBundle.message("occurrence"));
presentation.setCodeUsagesString(FindBundle.message("found.occurrences"));
presentation.setContextText(contextText);
}
presentation.setOpenInNewTab(toOpenInNewTab);
presentation.setCodeUsages(false);
presentation.setUsageTypeFilteringAvailable(true);
return presentation;
}
private static int addToUsages(
@NotNull Document document,
@NotNull Processor<UsageInfo> consumer,
@NotNull FindModel findModel,
@NotNull final PsiFile psiFile,
@NotNull int[] offsetRef,
int maxUsages) {
int count = 0;
CharSequence text = document.getCharsSequence();
int textLength = document.getTextLength();
int offset = offsetRef[0];
Project project = psiFile.getProject();
FindManager findManager = FindManager.getInstance(project);
while (offset < textLength) {
FindResult result = findManager.findString(text, offset, findModel, psiFile.getVirtualFile());
if (!result.isStringFound()) break;
final SearchScope customScope = findModel.getCustomScope();
if (customScope instanceof LocalSearchScope) {
final TextRange range = new TextRange(result.getStartOffset(), result.getEndOffset());
if (!((LocalSearchScope) customScope).containsRange(psiFile, range)) break;
}
UsageInfo info = new FindResultUsageInfo(findManager, psiFile, offset, findModel, result);
if (!consumer.process(info)) {
throw new ProcessCanceledException();
}
count++;
final int prevOffset = offset;
offset = result.getEndOffset();
if (prevOffset == offset) {
// for regular expr the size of the match could be zero -> could be infinite loop in finding
// usages!
++offset;
}
if (maxUsages > 0 && count >= maxUsages) {
break;
}
}
offsetRef[0] = offset;
return count;
}
public static void setDirectoryName(@NotNull FindModel model, @NotNull DataContext dataContext) {
PsiElement psiElement = null;
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project != null && !DumbServiceImpl.getInstance(project).isDumb()) {
try {
psiElement = CommonDataKeys.PSI_ELEMENT.getData(dataContext);
} catch (IndexNotReadyException ignore) {
}
}
String directoryName = null;
if (psiElement instanceof PsiDirectory) {
directoryName = ((PsiDirectory) psiElement).getVirtualFile().getPresentableUrl();
}
if (directoryName == null && psiElement instanceof PsiDirectoryContainer) {
final PsiDirectory[] directories = ((PsiDirectoryContainer) psiElement).getDirectories();
directoryName =
directories.length == 1 ? directories[0].getVirtualFile().getPresentableUrl() : null;
}
Module module = LangDataKeys.MODULE_CONTEXT.getData(dataContext);
if (module != null) {
model.setModuleName(module.getName());
}
Editor editor = CommonDataKeys.EDITOR.getData(dataContext);
if (model.getModuleName() == null || editor == null) {
model.setDirectoryName(directoryName);
model.setProjectScope(
directoryName == null && module == null && !model.isCustomScope() || editor != null);
if (directoryName != null) {
model.setCustomScope(false); // to select "Directory: " radio button
}
// for convenience set directory name to directory of current file, note that we doesn't
// change default projectScope
if (directoryName == null) {
VirtualFile virtualFile = CommonDataKeys.VIRTUAL_FILE.getData(dataContext);
if (virtualFile != null && !virtualFile.isDirectory())
virtualFile = virtualFile.getParent();
if (virtualFile != null) model.setDirectoryName(virtualFile.getPresentableUrl());
}
}
}
@NotNull
private static String getTitleForScope(@NotNull final FindModel findModel) {
String scopeName;
if (findModel.isProjectScope()) {
scopeName = FindBundle.message("find.scope.project.title");
} else if (findModel.getModuleName() != null) {
scopeName = FindBundle.message("find.scope.module.title", findModel.getModuleName());
} else if (findModel.getCustomScopeName() != null) {
scopeName = findModel.getCustomScopeName();
} else {
scopeName = FindBundle.message("find.scope.directory.title", findModel.getDirectoryName());
}
String result = scopeName;
if (findModel.getFileFilter() != null) {
result += " " + FindBundle.message("find.scope.files.with.mask", findModel.getFileFilter());
}
return result;
}
// returns number of hits
static int processUsagesInFile(
@NotNull final PsiFile psiFile,
@NotNull final FindModel findModel,
@NotNull final Processor<UsageInfo> consumer) {
if (findModel.getStringToFind().isEmpty()) {
if (!ApplicationManager.getApplication()
.runReadAction((Computable<Boolean>) () -> consumer.process(new UsageInfo(psiFile)))) {
throw new ProcessCanceledException();
}
return 1;
}
final VirtualFile virtualFile = psiFile.getVirtualFile();
if (virtualFile == null) return 0;
if (virtualFile.getFileType().isBinary()) return 0; // do not decompile .class files
final Document document =
ApplicationManager.getApplication()
.runReadAction(
(Computable<Document>)
() ->
virtualFile.isValid()
? FileDocumentManager.getInstance().getDocument(virtualFile)
: null);
if (document == null) return 0;
final int[] offset = {0};
int count = 0;
int found;
ProgressIndicator indicator =
ProgressWrapper.unwrap(ProgressManager.getInstance().getProgressIndicator());
TooManyUsagesStatus tooManyUsagesStatus = TooManyUsagesStatus.getFrom(indicator);
do {
tooManyUsagesStatus.pauseProcessingIfTooManyUsages(); // wait for user out of read action
found =
ApplicationManager.getApplication()
.runReadAction(
(Computable<Integer>)
() -> {
if (!psiFile.isValid()) return 0;
return addToUsages(
document, consumer, findModel, psiFile, offset, USAGES_PER_READ_ACTION);
});
count += found;
} while (found != 0);
return count;
}
@NotNull
static SearchScope getScopeFromModel(@NotNull Project project, @NotNull FindModel findModel) {
SearchScope customScope = findModel.getCustomScope();
VirtualFile directory = getDirectory(findModel);
Module module =
findModel.getModuleName() == null
? null
: ModuleManager.getInstance(project).findModuleByName(findModel.getModuleName());
return findModel.isCustomScope() && customScope != null
? customScope.intersectWith(GlobalSearchScope.allScope(project))
:
// we don't have to check for myProjectFileIndex.isExcluded(file) here like
// FindInProjectTask.collectFilesInScope() does
// because all found usages are guaranteed to be not in excluded dir
directory != null
? forDirectory(project, findModel.isWithSubdirectories(), directory)
: module != null
? module.getModuleContentScope()
: findModel.isProjectScope()
? ProjectScope.getContentScope(project)
: GlobalSearchScope.allScope(project);
}
@Override
public String getName() {
return myFindModel.getStringToFind().isEmpty()
? myFindModel.getFileFilter()
: myFindModel.getStringToFind();
}
