Resulable besim handof so recompiling model does not give second besim window

src/bedit_gui/controllers/simulation_file_controller.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from copy import deepcopy
 from pathlib import Path
 
 from PySide6.QtCore import QObject, Signal, Qt
@@ -39,8 +40,9 @@ class SimulationFileController(QObject):
         self.runtime_changed.emit()
         logger.info("Created new simulation")
 
-    def open(self, path: str | Path, *, component: str | None = None, simulation: str | None = None, backed_by_file: bool = True, compiled_model: CompiledModel | None = None) -> None:
+    def open(self, path: str | Path, *, component: str | None = None, simulation: str | None = None, backed_by_file: bool = True, compiled_model: CompiledModel | None = None, preserve_plots: bool = False) -> None:
         file_path = Path(path)
+        plot_tabs = deepcopy(self.root.plot_tabs) if preserve_plots and self.root is not None else None
         try:
             if file_path.suffix.lower() == ".bes" or simulation_files.is_simulation_json(file_path):
                 self.root = simulation_files.load(file_path)
@@ -52,11 +54,20 @@ class SimulationFileController(QObject):
         except (OSError, RuntimeError, TypeError, ValueError):
             logger.exception("Could not open simulation %s", file_path)
             raise
+        if preserve_plots and self.root is not None:
+            if plot_tabs is not None:
+                self.root.plot_tabs = plot_tabs
+            self.root.current_end_time = self.root.settings.start_time
+            self.root.results.clear()
         self._log_compilation()
         self._update_window()
         self.runtime_changed.emit()
         logger.info("Opened simulation: %s", file_path)
 
+    def open_handoff(self, path: str | Path, compiled_model: CompiledModel) -> None:
+        self.open(path, backed_by_file=False, compiled_model=compiled_model, preserve_plots=True)
+        logger.info("Accepted simulation handoff and reset to time %s", self.root.current_end_time if self.root is not None else "unknown")
+
     def open_dialog(self) -> None:
         filename, _ = QFileDialog.getOpenFileName(self.window, "Open Simulation", "", "Simulation and BEdit files (*.bes *.beb *.json)")
         if not filename: