准备改adminive

render_2D/plottable/Plottable.h

@@ -71,6 +71,12 @@ protected:
     Properties properties() const {
         return Base::read([](const Properties& value) { return value; });
     }
+    void replace_properties(Properties value) {
+        Base::update([&value](Properties& current) {
+            current = std::move(value);
+        });
+        this->changed();
+    }
     const Properties& render_properties(const Render_State_View& state) const noexcept {
         return state.get(static_cast<const Base&>(*this));
     }