50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
from typing import Any, Callable, DefaultDict, MutableSequence
|
|
|
|
from PyQt5.QtCore import QObject, pyqtSlot
|
|
|
|
from .list_model import ListModel
|
|
|
|
|
|
class ListModelMap(QObject):
|
|
def __init__(self,
|
|
models_container: Callable[..., MutableSequence] = list,
|
|
parent: QObject = None) -> None:
|
|
super().__init__(parent)
|
|
|
|
# Set the parent to prevent item garbage-collection on the C++ side
|
|
self.dict: DefaultDict[Any, ListModel] = \
|
|
DefaultDict(
|
|
lambda: ListModel(container=models_container, parent=self)
|
|
)
|
|
|
|
|
|
@pyqtSlot(str, result="QVariant")
|
|
def get(self, key) -> ListModel:
|
|
return self.dict[key]
|
|
|
|
|
|
@pyqtSlot(str, result=bool)
|
|
def has(self, key) -> bool:
|
|
return key in self.dict
|
|
|
|
|
|
def __getitem__(self, key) -> ListModel:
|
|
return self.dict[key]
|
|
|
|
|
|
def __setitem__(self, key, value: ListModel) -> None:
|
|
value.setParent(self)
|
|
self.dict[key] = value
|
|
|
|
|
|
def __detitem__(self, key) -> None:
|
|
del self.dict[key]
|
|
|
|
|
|
def __iter__(self):
|
|
return iter(self.dict)
|
|
|
|
|
|
def __len__(self) -> int:
|
|
return len(self.dict)
|