private static boolean isEnabled(DataContext dataContext) {
Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null
|| EditorGutter.KEY.getData(dataContext) != null
|| Boolean.TRUE.equals(dataContext.getData(CommonDataKeys.EDITOR_VIRTUAL_SPACE))) {
return false;
}
Editor editor = CommonDataKeys.EDITOR.getData(dataContext);
if (editor == null) {
UsageTarget[] target = UsageView.USAGE_TARGETS_KEY.getData(dataContext);
return target != null && target.length > 0;
} else {
PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
if (file == null) {
return false;
}
Language language = PsiUtilBase.getLanguageInEditor(editor, project);
if (language == null) {
language = file.getLanguage();
}
return !(LanguageFindUsages.INSTANCE.forLanguage(language)
instanceof EmptyFindUsagesProvider);
}
}
@Nullable
private static Commenter findCommenter(PsiFile file, Editor editor, Caret caret) {
final FileType fileType = file.getFileType();
if (fileType instanceof AbstractFileType) {
return ((AbstractFileType) fileType).getCommenter();
}
Language lang = PsiUtilBase.getLanguageInEditor(caret, file.getProject());
return getCommenter(file, editor, lang, lang);
}
private static void addCompletionChar(
Project project,
CompletionAssertions.WatchingInsertionContext context,
LookupElement item,
Editor editor,
CompletionProgressIndicator indicator,
char completionChar) {
int tailOffset = context.getTailOffset();
if (tailOffset < 0) {
LOG.info(
"tailOffset<0 after inserting "
+ item
+ " of "
+ item.getClass()
+ "; invalidated at: "
+ context.invalidateTrace
+ "\n--------");
} else {
editor.getCaretModel().moveToOffset(tailOffset);
}
if (context.getCompletionChar() == Lookup.COMPLETE_STATEMENT_SELECT_CHAR) {
final Language language = PsiUtilBase.getLanguageInEditor(editor, project);
if (language != null) {
for (SmartEnterProcessor processor : SmartEnterProcessors.INSTANCE.forKey(language)) {
if (processor.processAfterCompletion(editor, indicator.getParameters().getOriginalFile()))
break;
}
}
} else if (!editor
.getCaretModel()
.supportsMultipleCarets()) { // this will be done outside of runForEach caret context
DataContext dataContext =
DataManager.getInstance().getDataContext(editor.getContentComponent());
EditorActionManager.getInstance()
.getTypedAction()
.getHandler()
.execute(editor, completionChar, dataContext);
}
}