@Override
@NotNull
public String getLineSeparator(@Nullable VirtualFile file, @Nullable Project project) {
String lineSeparator = file == null ? null : LoadTextUtil.getDetectedLineSeparator(file);
if (lineSeparator == null) {
CodeStyleFacade settingsManager =
project == null ? CodeStyleFacade.getInstance() : CodeStyleFacade.getInstance(project);
lineSeparator = settingsManager.getLineSeparator();
}
return lineSeparator;
}
public static String calcStringToFillVirtualSpace(Editor editor, int afterLineEnd) {
final Project project = editor.getProject();
StringBuilder buf = new StringBuilder();
final Document doc = editor.getDocument();
final int caretOffset = editor.getCaretModel().getOffset();
boolean atLineStart =
caretOffset >= doc.getTextLength()
|| doc.getLineStartOffset(doc.getLineNumber(caretOffset)) == caretOffset;
if (atLineStart && project != null) {
int offset = editor.getCaretModel().getOffset();
PsiDocumentManager.getInstance(project)
.commitDocument(doc); // Sync document and PSI before formatting.
String properIndent =
offset >= doc.getTextLength()
? ""
: CodeStyleFacade.getInstance(project).getLineIndent(doc, offset);
if (properIndent != null) {
int tabSize = editor.getSettings().getTabSize(project);
for (int i = 0; i < properIndent.length(); i++) {
if (properIndent.charAt(i) == ' ') {
afterLineEnd--;
} else if (properIndent.charAt(i) == '\t') {
if (afterLineEnd < tabSize) {
break;
}
afterLineEnd -= tabSize;
}
buf.append(properIndent.charAt(i));
if (afterLineEnd == 0) break;
}
}
}
for (int i = 0; i < afterLineEnd; i++) {
buf.append(' ');
}
return buf.toString();
}