Class InternalCommandHistory

gui/fitCommands/helpers.py:21–56

class InternalCommandHistory:

    def __init__(self):
        self.__buffer = wx.CommandProcessor()

    def submit(self, command):
        return self.__buffer.Submit(command)

    def submitBatch(self, *commands):
        for command in commands:
            if not self.__buffer.Submit(command):
                # Undo what we already submitted
                for commandToUndo in reversed(self.__buffer.Commands):
                    if commandToUndo in commands:
                        self.__buffer.Undo()
                return False
        return True

    def undoAll(self):
        undoneCommands = []
        # Undo commands one by one, starting from the last
        for commandToUndo in reversed(self.__buffer.Commands):
            if commandToUndo.Undo():
                undoneCommands.append(commandToUndo)
            # If undoing fails, redo already undone commands, starting from the last undone
            else:
                for commandToRedo in reversed(undoneCommands):
                    if not commandToRedo.Do():
                        break
                self.__buffer.ClearCommands()
                return False
        self.__buffer.ClearCommands()
        return True

    def __len__(self):
        return len(self.__buffer.Commands)


class ModuleInfo: