Source code for miniworlds.actors.widgets.counter

import miniworlds.actors.widgets.label as mod_label




class CounterLabel(mod_label.Label):
    """A counter label contains a ``description`` and a ``counter``.

    The counter starts with value 0 and can be modified with ``add`` and
    ``sub``.
    """

    def __init__(self, description, value = 0, image=None):
        self.value = value
        self.description = description
        super().__init__(str(self), image)

    def __str__(self):
        return f"{self.description} : {str(self.value)}"
    


    def add(self, value):
        """Increase the counter by ``value``."""
        self.value += value
        self.update_text()




    def sub(self, value):
        """Decrease the counter by ``value``."""
        self.value -= value
        self.update_text()




    def get_value(self):
        return self.value




    def set(self, value):
        self.value = value
        self.update_text()




    def update_text(self):
        self.set_text(f"{self.description} : {str(self.value)}")