@Override
public void invoke(
@NotNull final Project project, @NotNull Editor editor, @NotNull PsiFile file) {
PsiDocumentManager.getInstance(project).commitAllDocuments();
DumbService.getInstance(project).setAlternativeResolveEnabled(true);
try {
int offset = editor.getCaretModel().getOffset();
PsiElement[] elements =
underModalProgress(
project,
"Resolving Reference...",
() -> findAllTargetElements(project, editor, offset));
FeatureUsageTracker.getInstance().triggerFeatureUsed("navigation.goto.declaration");
if (elements.length != 1) {
if (elements.length == 0
&& suggestCandidates(TargetElementUtil.findReference(editor, offset)).isEmpty()) {
PsiElement element =
findElementToShowUsagesOf(editor, editor.getCaretModel().getOffset());
if (startFindUsages(editor, element)) {
return;
}
// disable 'no declaration found' notification for keywords
final PsiElement elementAtCaret = file.findElementAt(offset);
if (elementAtCaret != null) {
final NamesValidator namesValidator =
LanguageNamesValidation.INSTANCE.forLanguage(elementAtCaret.getLanguage());
if (namesValidator != null
&& namesValidator.isKeyword(elementAtCaret.getText(), project)) {
return;
}
}
}
chooseAmbiguousTarget(editor, offset, elements, file);
return;
}
PsiElement element = elements[0];
if (element == findElementToShowUsagesOf(editor, editor.getCaretModel().getOffset())
&& startFindUsages(editor, element)) {
return;
}
PsiElement navElement = element.getNavigationElement();
navElement = TargetElementUtil.getInstance().getGotoDeclarationTarget(element, navElement);
if (navElement != null) {
gotoTargetElement(navElement, editor, file);
}
} catch (IndexNotReadyException e) {
DumbService.getInstance(project)
.showDumbModeNotification("Navigation is not available here during index update");
} finally {
DumbService.getInstance(project).setAlternativeResolveEnabled(false);
}
}
private static void chooseAmbiguousTarget(
final Editor editor, int offset, PsiElement[] elements, PsiFile currentFile) {
PsiElementProcessor<PsiElement> navigateProcessor =
element -> {
gotoTargetElement(element, editor, currentFile);
return true;
};
boolean found =
chooseAmbiguousTarget(
editor,
offset,
navigateProcessor,
CodeInsightBundle.message("declaration.navigation.title"),
elements);
if (!found) {
HintManager.getInstance().showErrorHint(editor, "Cannot find declaration to go to");
}
}