private static boolean canBeFormatted(PsiFile file) {
if (LanguageFormatting.INSTANCE.forContext(file) == null) {
return false;
}
VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile == null) return true;
if (ProjectCoreUtil.isProjectOrWorkspaceFile(virtualFile)) return false;
return !GeneratedSourcesFilter.isGeneratedSourceByAnyFilter(virtualFile, file.getProject());
}
private static Throwable makeLanguageStackTrace(
@NotNull Throwable currentThrowable, @NotNull PsiFile file) {
Throwable langThrowable = new Throwable();
FormattingModelBuilder builder = LanguageFormatting.INSTANCE.forContext(file);
if (builder == null) return currentThrowable;
Class builderClass = builder.getClass();
Class declaringClass = builderClass.getDeclaringClass();
String guessedFileName =
(declaringClass == null ? builderClass.getSimpleName() : declaringClass.getSimpleName())
+ ".java";
StackTraceElement ste =
new StackTraceElement(builder.getClass().getName(), "createModel", guessedFileName, 1);
StackTraceElement[] originalStackTrace = currentThrowable.getStackTrace();
StackTraceElement[] modifiedStackTrace = new StackTraceElement[originalStackTrace.length + 1];
System.arraycopy(originalStackTrace, 0, modifiedStackTrace, 1, originalStackTrace.length);
modifiedStackTrace[0] = ste;
langThrowable.setStackTrace(modifiedStackTrace);
return langThrowable;
}
static void indentBlock(
Project project,
Editor editor,
final int startOffset,
final int endOffset,
int originalCaretCol) {
final PsiDocumentManager documentManager = PsiDocumentManager.getInstance(project);
documentManager.commitAllDocuments();
final Document document = editor.getDocument();
PsiFile file = documentManager.getPsiFile(document);
if (file == null) {
return;
}
if (LanguageFormatting.INSTANCE.forContext(file) != null) {
indentBlockWithFormatter(project, document, startOffset, endOffset, file);
} else {
indentPlainTextBlock(document, startOffset, endOffset, originalCaretCol);
}
}
@Override
public void update(AnActionEvent event) {
Presentation presentation = event.getPresentation();
DataContext dataContext = event.getDataContext();
Project project = CommonDataKeys.PROJECT.getData(dataContext);
Editor editor = CommonDataKeys.EDITOR.getData(dataContext);
if (project == null || editor == null) {
presentation.setEnabled(false);
return;
}
PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
if (file == null || file.getVirtualFile() == null) {
presentation.setEnabled(false);
return;
}
if (LanguageFormatting.INSTANCE.forContext(file) != null) {
presentation.setEnabled(true);
}
}
public ASTNode processRange(final ASTNode element, final int startOffset, final int endOffset) {
final PsiElement psiElement = SourceTreeToPsiMap.treeElementToPsi(element);
assert psiElement != null;
final PsiFile file = psiElement.getContainingFile();
final Document document = file.getViewProvider().getDocument();
final RangeMarker rangeMarker =
document != null && endOffset < document.getTextLength()
? document.createRangeMarker(startOffset, endOffset)
: null;
PsiElement elementToFormat =
document instanceof DocumentWindow
? InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file)
: psiElement;
final PsiFile fileToFormat = elementToFormat.getContainingFile();
final FormattingModelBuilder builder = LanguageFormatting.INSTANCE.forContext(fileToFormat);
if (builder != null) {
TextRange range = preprocess(element, TextRange.create(startOffset, endOffset));
if (document instanceof DocumentWindow) {
DocumentWindow documentWindow = (DocumentWindow) document;
range = documentWindow.injectedToHost(range);
}
// final SmartPsiElementPointer pointer =
// SmartPointerManager.getInstance(psiElement.getProject()).createSmartPsiElementPointer(psiElement);
final FormattingModel model =
CoreFormatterUtil.buildModel(
builder, elementToFormat, mySettings, FormattingMode.REFORMAT);
if (file.getTextLength() > 0) {
try {
FormatterEx.getInstanceEx()
.format(
model,
mySettings,
mySettings.getIndentOptions(fileToFormat.getFileType()),
new FormatTextRanges(range, true));
wrapLongLinesIfNecessary(file, document, startOffset, endOffset);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
if (!psiElement.isValid()) {
if (rangeMarker != null) {
final PsiElement at = file.findElementAt(rangeMarker.getStartOffset());
final PsiElement result = PsiTreeUtil.getParentOfType(at, psiElement.getClass(), false);
assert result != null;
rangeMarker.dispose();
return result.getNode();
} else {
assert false;
}
}
// return SourceTreeToPsiMap.psiElementToTree(pointer.getElement());
}
if (rangeMarker != null) {
rangeMarker.dispose();
}
return element;
}
public void processText(
PsiFile file, final FormatTextRanges ranges, boolean doPostponedFormatting) {
final Project project = file.getProject();
Document document = PsiDocumentManager.getInstance(project).getDocument(file);
final List<FormatTextRanges.FormatTextRange> textRanges = ranges.getRanges();
if (document instanceof DocumentWindow) {
file = InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file);
final DocumentWindow documentWindow = (DocumentWindow) document;
for (FormatTextRanges.FormatTextRange range : textRanges) {
range.setTextRange(documentWindow.injectedToHost(range.getTextRange()));
}
document = documentWindow.getDelegate();
}
final FormattingModelBuilder builder = LanguageFormatting.INSTANCE.forContext(file);
if (builder != null) {
if (file.getTextLength() > 0) {
try {
final PsiElement startElement =
file.findElementAt(textRanges.get(0).getTextRange().getStartOffset());
final PsiElement endElement =
file.findElementAt(
textRanges.get(textRanges.size() - 1).getTextRange().getEndOffset() - 1);
final PsiElement commonParent =
startElement != null && endElement != null
? PsiTreeUtil.findCommonParent(startElement, endElement)
: null;
ASTNode node = null;
if (commonParent != null) {
node = commonParent.getNode();
}
if (node == null) {
node = file.getNode();
}
for (FormatTextRanges.FormatTextRange range : ranges.getRanges()) {
TextRange rangeToUse = preprocess(node, range.getTextRange());
range.setTextRange(rangeToUse);
}
if (doPostponedFormatting) {
RangeMarker[] markers = new RangeMarker[textRanges.size()];
int i = 0;
for (FormatTextRanges.FormatTextRange range : textRanges) {
TextRange textRange = range.getTextRange();
int start = textRange.getStartOffset();
int end = textRange.getEndOffset();
if (start >= 0 && end > start && end <= document.getTextLength()) {
markers[i] = document.createRangeMarker(textRange);
markers[i].setGreedyToLeft(true);
markers[i].setGreedyToRight(true);
i++;
}
}
final PostprocessReformattingAspect component =
file.getProject().getComponent(PostprocessReformattingAspect.class);
FormattingProgressTask.FORMATTING_CANCELLED_FLAG.set(false);
component.doPostponedFormatting(file.getViewProvider());
i = 0;
for (FormatTextRanges.FormatTextRange range : textRanges) {
RangeMarker marker = markers[i];
if (marker != null) {
range.setTextRange(TextRange.create(marker));
marker.dispose();
}
i++;
}
}
if (FormattingProgressTask.FORMATTING_CANCELLED_FLAG.get()) {
return;
}
final FormattingModel originalModel =
CoreFormatterUtil.buildModel(builder, file, mySettings, FormattingMode.REFORMAT);
final FormattingModel model =
new DocumentBasedFormattingModel(
originalModel.getRootBlock(),
document,
project,
mySettings,
file.getFileType(),
file);
FormatterEx formatter = FormatterEx.getInstanceEx();
if (CodeStyleManager.getInstance(project).isSequentialProcessingAllowed()) {
formatter.setProgressTask(new FormattingProgressTask(project, file, document));
}
CommonCodeStyleSettings.IndentOptions indentOptions = null;
if (builder instanceof FormattingModelBuilderEx) {
indentOptions =
((FormattingModelBuilderEx) builder)
.getIndentOptionsToUse(file, ranges, mySettings);
}
if (indentOptions == null) {
indentOptions = mySettings.getIndentOptions(file.getFileType());
}
formatter.format(model, mySettings, indentOptions, ranges);
for (FormatTextRanges.FormatTextRange range : textRanges) {
TextRange textRange = range.getTextRange();
wrapLongLinesIfNecessary(
file, document, textRange.getStartOffset(), textRange.getEndOffset());
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}
}
private static void doPaste(
final Editor editor,
final Project project,
final PsiFile file,
final Document document,
final Producer<Transferable> producer) {
Transferable content = null;
if (producer != null) {
content = producer.produce();
} else {
CopyPasteManager manager = CopyPasteManager.getInstance();
if (manager.areDataFlavorsAvailable(DataFlavor.stringFlavor)) {
content = manager.getContents();
if (content != null) {
manager.stopKillRings();
}
}
}
if (content != null) {
String text = null;
try {
text = (String) content.getTransferData(DataFlavor.stringFlavor);
} catch (Exception e) {
editor.getComponent().getToolkit().beep();
}
if (text == null) return;
final CodeInsightSettings settings = CodeInsightSettings.getInstance();
final Map<CopyPastePostProcessor, TextBlockTransferableData> extraData =
new HashMap<CopyPastePostProcessor, TextBlockTransferableData>();
for (CopyPastePostProcessor processor :
Extensions.getExtensions(CopyPastePostProcessor.EP_NAME)) {
TextBlockTransferableData data = processor.extractTransferableData(content);
if (data != null) {
extraData.put(processor, data);
}
}
text = TextBlockTransferable.convertLineSeparators(text, "\n", extraData.values());
final CaretModel caretModel = editor.getCaretModel();
final SelectionModel selectionModel = editor.getSelectionModel();
final int col = caretModel.getLogicalPosition().column;
// There is a possible case that we want to perform paste while there is an active selection
// at the editor and caret is located
// inside it (e.g. Ctrl+A is pressed while caret is not at the zero column). We want to insert
// the text at selection start column
// then, hence, inserted block of text should be indented according to the selection start as
// well.
final int blockIndentAnchorColumn;
final int caretOffset = caretModel.getOffset();
if (selectionModel.hasSelection() && caretOffset >= selectionModel.getSelectionStart()) {
blockIndentAnchorColumn =
editor.offsetToLogicalPosition(selectionModel.getSelectionStart()).column;
} else {
blockIndentAnchorColumn = col;
}
// We assume that EditorModificationUtil.insertStringAtCaret() is smart enough to remove
// currently selected text (if any).
RawText rawText = RawText.fromTransferable(content);
String newText = text;
for (CopyPastePreProcessor preProcessor :
Extensions.getExtensions(CopyPastePreProcessor.EP_NAME)) {
newText = preProcessor.preprocessOnPaste(project, file, editor, newText, rawText);
}
int indentOptions =
text.equals(newText) ? settings.REFORMAT_ON_PASTE : CodeInsightSettings.REFORMAT_BLOCK;
text = newText;
if (LanguageFormatting.INSTANCE.forContext(file) == null
&& indentOptions != CodeInsightSettings.NO_REFORMAT) {
indentOptions = CodeInsightSettings.INDENT_BLOCK;
}
final String _text = text;
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
EditorModificationUtil.insertStringAtCaret(editor, _text, false, true);
}
});
int length = text.length();
int offset = caretModel.getOffset() - length;
if (offset < 0) {
length += offset;
offset = 0;
}
final RangeMarker bounds = document.createRangeMarker(offset, offset + length);
caretModel.moveToOffset(bounds.getEndOffset());
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
selectionModel.removeSelection();
final Ref<Boolean> indented = new Ref<Boolean>(Boolean.FALSE);
for (Map.Entry<CopyPastePostProcessor, TextBlockTransferableData> e : extraData.entrySet()) {
//noinspection unchecked
e.getKey()
.processTransferableData(project, editor, bounds, caretOffset, indented, e.getValue());
}
boolean pastedTextContainsWhiteSpacesOnly =
CharArrayUtil.shiftForward(document.getCharsSequence(), bounds.getStartOffset(), " \n\t")
>= bounds.getEndOffset();
VirtualFile virtualFile = file.getVirtualFile();
if (!pastedTextContainsWhiteSpacesOnly
&& (virtualFile == null
|| !SingleRootFileViewProvider.isTooLargeForIntelligence(virtualFile))) {
final int indentOptions1 = indentOptions;
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
switch (indentOptions1) {
case CodeInsightSettings.INDENT_BLOCK:
if (!indented.get()) {
indentBlock(
project,
editor,
bounds.getStartOffset(),
bounds.getEndOffset(),
blockIndentAnchorColumn);
}
break;
case CodeInsightSettings.INDENT_EACH_LINE:
if (!indented.get()) {
indentEachLine(
project, editor, bounds.getStartOffset(), bounds.getEndOffset());
}
break;
case CodeInsightSettings.REFORMAT_BLOCK:
indentEachLine(
project,
editor,
bounds.getStartOffset(),
bounds
.getEndOffset()); // this is needed for example when inserting a
// comment before method
reformatBlock(
project, editor, bounds.getStartOffset(), bounds.getEndOffset());
break;
}
}
});
}
if (bounds.isValid()) {
caretModel.moveToOffset(bounds.getEndOffset());
editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
selectionModel.removeSelection();
editor.putUserData(EditorEx.LAST_PASTED_REGION, TextRange.create(bounds));
}
}
}
