anki/qt/aqt/browser/sidebar/item.py
2021-04-13 11:05:49 +02:00

146 lines
4.3 KiB
Python

# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
from __future__ import annotations
from enum import Enum, auto
from typing import Callable, Iterable, List, Optional, Union
from anki.collection import SearchNode
from aqt.theme import ColoredIcon
class SidebarItemType(Enum):
ROOT = auto()
SAVED_SEARCH_ROOT = auto()
SAVED_SEARCH = auto()
TODAY_ROOT = auto()
TODAY = auto()
FLAG_ROOT = auto()
FLAG = auto()
CARD_STATE_ROOT = auto()
CARD_STATE = auto()
DECK_ROOT = auto()
DECK_CURRENT = auto()
DECK = auto()
NOTETYPE_ROOT = auto()
NOTETYPE = auto()
NOTETYPE_TEMPLATE = auto()
TAG_ROOT = auto()
TAG_NONE = auto()
TAG = auto()
CUSTOM = auto()
@staticmethod
def section_roots() -> Iterable[SidebarItemType]:
return (type for type in SidebarItemType if type.name.endswith("_ROOT"))
def is_section_root(self) -> bool:
return self in self.section_roots()
def is_editable(self) -> bool:
return self in (
SidebarItemType.SAVED_SEARCH,
SidebarItemType.DECK,
SidebarItemType.TAG,
)
def is_deletable(self) -> bool:
return self in (
SidebarItemType.SAVED_SEARCH,
SidebarItemType.DECK,
SidebarItemType.TAG,
)
class SidebarItem:
def __init__(
self,
name: str,
icon: Union[str, ColoredIcon],
search_node: Optional[SearchNode] = None,
on_expanded: Callable[[bool], None] = None,
expanded: bool = False,
item_type: SidebarItemType = SidebarItemType.CUSTOM,
id: int = 0,
name_prefix: str = "",
) -> None:
self.name = name
self.name_prefix = name_prefix
self.full_name = name_prefix + name
self.icon = icon
self.item_type = item_type
self.id = id
self.search_node = search_node
self.on_expanded = on_expanded
self.children: List["SidebarItem"] = []
self.tooltip: Optional[str] = None
self._parent_item: Optional["SidebarItem"] = None
self._expanded = expanded
self._row_in_parent: Optional[int] = None
self._search_matches_self = False
self._search_matches_child = False
def add_child(self, cb: "SidebarItem") -> None:
self.children.append(cb)
cb._parent_item = self
def add_simple(
self,
name: str,
icon: Union[str, ColoredIcon],
type: SidebarItemType,
search_node: Optional[SearchNode],
) -> SidebarItem:
"Add child sidebar item, and return it."
item = SidebarItem(
name=name,
icon=icon,
search_node=search_node,
item_type=type,
)
self.add_child(item)
return item
@property
def expanded(self) -> bool:
return self._expanded
@expanded.setter
def expanded(self, expanded: bool) -> None:
if self.expanded != expanded:
self._expanded = expanded
if self.on_expanded:
self.on_expanded(expanded)
def show_expanded(self, searching: bool) -> bool:
if not searching:
return self.expanded
if self._search_matches_child:
return True
# if search matches top level, expand children one level
return self._search_matches_self and self.item_type.is_section_root()
def is_highlighted(self) -> bool:
return self._search_matches_self
def search(self, lowered_text: str) -> bool:
"True if we or child matched."
self._search_matches_self = lowered_text in self.name.lower()
self._search_matches_child = any(
[child.search(lowered_text) for child in self.children]
)
return self._search_matches_self or self._search_matches_child
def has_same_id(self, other: SidebarItem) -> bool:
"True if `other` is same type, with same id/name."
if other.item_type == self.item_type:
if self.item_type == SidebarItemType.TAG:
return self.full_name == other.full_name
elif self.item_type == SidebarItemType.SAVED_SEARCH:
return self.name == other.name
else:
return other.id == self.id
return False