@NotNull
public static String findLiveTemplatePrefix(
@NotNull PsiFile file, @NotNull Editor editor, @NotNull String defaultValue) {
final CustomTemplateCallback callback = new CustomTemplateCallback(editor, file, false);
for (CustomLiveTemplate customLiveTemplate : CustomLiveTemplate.EP_NAME.getExtensions()) {
final String customKey = customLiveTemplate.computeTemplateKey(callback);
if (customKey != null) {
return customKey;
}
}
return defaultValue;
}
@Nullable
public Runnable prepareTemplate(
final Editor editor,
char shortcutChar,
@Nullable final PairProcessor<String, String> processor) {
if (editor.getSelectionModel().hasSelection()) {
return null;
}
PsiFile file = PsiUtilBase.getPsiFileInEditor(editor, myProject);
if (file == null) return null;
Map<TemplateImpl, String> template2argument =
findMatchingTemplates(file, editor, shortcutChar, TemplateSettings.getInstance());
List<CustomLiveTemplate> customCandidates =
ContainerUtil.findAll(
CustomLiveTemplate.EP_NAME.getExtensions(),
customLiveTemplate ->
shortcutChar == customLiveTemplate.getShortcut()
&& (editor.getCaretModel().getCaretCount() <= 1
|| supportsMultiCaretMode(customLiveTemplate)));
if (!customCandidates.isEmpty()) {
int caretOffset = editor.getCaretModel().getOffset();
PsiFile fileCopy = insertDummyIdentifierIfNeeded(file, caretOffset, caretOffset, "");
Document document = editor.getDocument();
for (final CustomLiveTemplate customLiveTemplate : customCandidates) {
if (isApplicable(customLiveTemplate, editor, fileCopy)) {
final String key =
customLiveTemplate.computeTemplateKey(new CustomTemplateCallback(editor, fileCopy));
if (key != null) {
int offsetBeforeKey = caretOffset - key.length();
CharSequence text = document.getImmutableCharSequence();
if (template2argument == null
|| !containsTemplateStartingBefore(
template2argument, offsetBeforeKey, caretOffset, text)) {
return () -> customLiveTemplate.expand(key, new CustomTemplateCallback(editor, file));
}
}
}
}
}
return startNonCustomTemplates(template2argument, editor, processor);
}