@Override
public void writeState(
@NotNull FileEditorState state, @NotNull Project project, @NotNull Element targetElement) {
if (!(state instanceof MPSEditorStateWrapper)) return;
MPSEditorStateWrapper wrapper = (MPSEditorStateWrapper) state;
EditorState editorState = wrapper.getEditorState();
targetElement.setAttribute(CLASS, editorState.getClass().getName());
editorState.save(targetElement);
}
@Override
@NotNull
public FileEditorState readState(
@NotNull Element sourceElement, @NotNull Project project, @NotNull VirtualFile file) {
String className = sourceElement.getAttributeValue(CLASS);
if (className == null) return FileEditorState.INSTANCE;
try {
Class cls = Class.forName(className);
EditorState instance = (EditorState) cls.newInstance();
instance.load(sourceElement);
MPSEditorStateWrapper result = new MPSEditorStateWrapper();
result.setEditorState(instance);
return result;
} catch (ClassNotFoundException e) {
// do nothing - class is not there anymore
} catch (Throwable t) {
LOG.error(null, t);
}
return FileEditorState.INSTANCE;
}