Equation editor undo

src/bedit_gui/documents/document.py

@@ -9,6 +9,7 @@ from PySide6.QtGui import QUndoStack
 from bedit_core.models import ID, Component, ComponentID, GraphImplementation, Port, PortID, Parameter, ParameterID
 from bedit_core.models import Document as CoreDocument
 from bedit_gui.commands.change_icon_command import ChangeIconCommand
+from bedit_gui.commands.equation_text_command import ChangeEquationTextCommand
 from bedit_gui.commands.port_commands import AddPortCommand, ChangePortCommand, RemovePortCommand
 from bedit_gui.commands.param_commands import AddParamCommand, ChangeParamCommand, RemoveParamCommand
 from bedit_gui.commands.rename_component_command import RenameComponentCommand
@@ -25,6 +26,7 @@ class Document(QObject):
     path_changed = Signal(object)
     modified_changed = Signal(bool)
     icon_changed = Signal(object, object)
+    equation_text_changed = Signal(object, str)
 
     def __init__(self, parent: QObject | None = None) -> None:
         super().__init__(parent)
@@ -197,6 +199,11 @@ class Document(QObject):
             self.undo_stack.push(command)
         self.undo_stack.endMacro()
 
+    def update_component_equation_text(self, component: Component, section: str, text: list[str], edit_id: int) -> None:
+        command = ChangeEquationTextCommand(self, component, section, text, edit_id)
+        if command.old_text != command.new_text:
+            self.undo_stack.push(command)
+
     def add_empty_graph_component(self, component: Component) -> None:
         if isinstance(component.implementation, GraphImplementation):
             command = AddEmptyGraphComponent(self, component)