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190 | class ListStore(Store[list[T]]):
"""baseclass for reactive list"""
def __init__(self, items: Optional[list[T]] = None):
super().__init__(items if items is not None else [])
def __len__(self):
return len(self.value)
def __getitem__(self, idx: int) -> T:
return self.value[idx]
def __iter__(self):
return iter(self.value)
def get_item(self, idx: int, default: R = NO_DEFAULT) -> T | R:
try:
return self._reactive.value[idx]
except IndexError:
if default is NO_DEFAULT:
raise IndexError(f"Index {idx} is out of range")
return default
def set(self, items: list[T]) -> None:
self._reactive.value = items
def set_item(self, idx: int, item: T) -> None:
new_items = self._reactive.value.copy()
if idx == len(new_items):
new_items.append(item)
elif idx < len(new_items):
new_items[idx] = item
else:
raise IndexError(f"Index {idx} is out of range")
self._reactive.value = new_items
def append(self, item: T) -> None:
self._reactive.value = [*self._reactive.value, item]
def extend(self, items: list[T]) -> None:
new_value = self.value.copy()
new_value.extend(items)
self._reactive.value = new_value
def insert(self, idx: int, item: T) -> None:
new_value = self.value.copy()
new_value.insert(idx, item)
self._reactive.value = new_value
def remove(self, item: T) -> None:
self._reactive.value = [it for it in self.value if it != item]
def pop(self, idx: int) -> T:
item = self.value[idx]
self._reactive.value = self.value[:idx] + self.value[idx + 1 :]
return item
def clear(self) -> None:
self._reactive.value = []
def index(self, item: T) -> int:
return self.value.index(item)
def update(self, idx: int, **kwargs):
new_value = self.value.copy()
updated_item = merge_state(new_value[idx], **kwargs)
new_value[idx] = updated_item
self._reactive.value = new_value
def count(self, item: T) -> int:
return self.value.count(item)
def find_item(self, **kwargs) -> Optional[T]:
"""find item in list by attributes"""
for item in self.value:
if all(getattr(item, k) == v for k, v in kwargs.items()):
return item
return None
def find_index(self, **kwargs) -> Optional[int]:
"""find item in list by attributes"""
for idx, item in enumerate(self.value):
if all(getattr(item, k) == v for k, v in kwargs.items()):
return idx
return None
|