private void registerLanguageKeyMaps(Language language) {
SModel editorModelDescriptor = LanguageAspect.EDITOR.get(language);
SModel editorModel = (editorModelDescriptor != null ? editorModelDescriptor.getSModel() : null);
List<KeyMap> keyMaps;
if (editorModel != null) {
keyMaps = ListSequence.fromList(new ArrayList<KeyMap>());
for (SNode keyMapDeclaration :
ListSequence.fromList(
SModelOperations.getRoots(
editorModel, "jetbrains.mps.lang.editor.structure.CellKeyMapDeclaration"))) {
try {
Class<KeyMap> keyMapClass = findKeyMapClassByDeclaration(keyMapDeclaration);
if (keyMapClass != null) {
KeyMap keyMap = keyMapClass.newInstance();
if (keyMap.isApplicableToEveryModel()) {
ListSequence.fromList(keyMaps).addElement(keyMap);
}
}
} catch (Throwable t) {
LOG.error(t);
}
}
} else {
keyMaps = Collections.emptyList();
}
MapSequence.fromMap(myLanguagesToKeyMaps).put(language, keyMaps);
}