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import itertools
import typing
from enum import IntEnum, auto
from typing import Any, TypeAlias, overload
from PyQt6.QtCore import (
QAbstractItemModel,
QByteArray,
QDataStream,
QDir,
QFileInfo,
QMimeData,
QModelIndex,
QObject,
Qt,
QVariant,
)
from PyQt6.QtWidgets import QWidget
import mobase
_PakInfo: TypeAlias = tuple[str, str, str, str]
class PaksColumns(IntEnum):
PRIORITY = auto()
PAK_NAME = auto()
SOURCE = auto()
class PaksModel(QAbstractItemModel):
def __init__(self, parent: QWidget | None, organizer: mobase.IOrganizer):
super().__init__(parent)
self.paks: dict[int, _PakInfo] = {}
self._organizer = organizer
self._init_mod_states()
def _init_mod_states(self):
profile = QDir(self._organizer.profilePath())
paks_txt = QFileInfo(profile.absoluteFilePath("paks.txt"))
if paks_txt.exists():
with open(paks_txt.absoluteFilePath(), "r") as paks_file:
index = 0
for line in paks_file:
self.paks[index] = (line, "", "", "")
index += 1
def set_paks(self, paks: dict[int, _PakInfo]):
self.layoutAboutToBeChanged.emit()
self.paks = paks
self.layoutChanged.emit()
self.dataChanged.emit(
self.index(0, 0),
self.index(self.rowCount(), self.columnCount()),
[Qt.ItemDataRole.DisplayRole],
)
def flags(self, index: QModelIndex) -> Qt.ItemFlag:
if not index.isValid():
return (
Qt.ItemFlag.ItemIsSelectable
| Qt.ItemFlag.ItemIsDragEnabled
| Qt.ItemFlag.ItemIsDropEnabled
| Qt.ItemFlag.ItemIsEnabled
)
return (
super().flags(index)
| Qt.ItemFlag.ItemIsDragEnabled
| Qt.ItemFlag.ItemIsDropEnabled & Qt.ItemFlag.ItemIsEditable
)
def columnCount(self, parent: QModelIndex = QModelIndex()) -> int:
return len(PaksColumns)
def index(
self, row: int, column: int, parent: QModelIndex = QModelIndex()
) -> QModelIndex:
if (
row < 0
or row >= self.rowCount()
or column < 0
or column >= self.columnCount()
):
return QModelIndex()
return self.createIndex(row, column, row)
@overload
def parent(self, child: QModelIndex) -> QModelIndex: ...
@overload
def parent(self) -> QObject | None: ...
def parent(self, child: QModelIndex | None = None) -> QModelIndex | QObject | None:
if child is None:
return super().parent()
return QModelIndex()
def rowCount(self, parent: QModelIndex = QModelIndex()) -> int:
return len(self.paks)
def setData(
self, index: QModelIndex, value: Any, role: int = Qt.ItemDataRole.EditRole
) -> bool:
return False
def headerData(
self,
section: int,
orientation: Qt.Orientation,
role: int = Qt.ItemDataRole.DisplayRole,
) -> typing.Any:
if (
orientation != Qt.Orientation.Horizontal
or role != Qt.ItemDataRole.DisplayRole
):
return QVariant()
column = PaksColumns(section + 1)
match column:
case PaksColumns.PAK_NAME:
return "Pak Group"
case PaksColumns.PRIORITY:
return "Priority"
case PaksColumns.SOURCE:
return "Source"
return QVariant()
def data(self, index: QModelIndex, role: int = Qt.ItemDataRole.DisplayRole) -> Any:
if not index.isValid():
return None
if index.column() + 1 == PaksColumns.PAK_NAME:
if role == Qt.ItemDataRole.DisplayRole:
return self.paks[index.row()][0]
elif index.column() + 1 == PaksColumns.PRIORITY:
if role == Qt.ItemDataRole.DisplayRole:
return index.row()
elif index.column() + 1 == PaksColumns.SOURCE:
if role == Qt.ItemDataRole.DisplayRole:
return self.paks[index.row()][1]
return QVariant()
def canDropMimeData(
self,
data: QMimeData | None,
action: Qt.DropAction,
row: int,
column: int,
parent: QModelIndex,
) -> bool:
if action == Qt.DropAction.MoveAction and (row != -1 or column != -1):
return True
return False
def supportedDropActions(self) -> Qt.DropAction:
return Qt.DropAction.MoveAction
def dropMimeData(
self,
data: QMimeData | None,
action: Qt.DropAction,
row: int,
column: int,
parent: QModelIndex,
) -> bool:
if action == Qt.DropAction.IgnoreAction:
return True
if data is None:
return False
encoded: QByteArray = data.data("application/x-qabstractitemmodeldatalist")
stream: QDataStream = QDataStream(encoded, QDataStream.OpenModeFlag.ReadOnly)
source_rows: list[int] = []
while not stream.atEnd():
source_row = stream.readInt()
col = stream.readInt()
size = stream.readInt()
item_data = {}
for _ in range(size):
role = stream.readInt()
value = stream.readQVariant()
item_data[role] = value
if col == 0:
source_rows.append(source_row)
if row == -1:
row = parent.row()
if row < 0 or row >= len(self.paks):
new_priority = len(self.paks)
else:
new_priority = row
before_paks: list[_PakInfo] = []
moved_paks: list[_PakInfo] = []
after_paks: list[_PakInfo] = []
before_paks_p: list[_PakInfo] = []
moved_paks_p: list[_PakInfo] = []
after_paks_p: list[_PakInfo] = []
for row, paks in sorted(self.paks.items()):
if row < new_priority:
if row in source_rows:
if paks[0].casefold()[-2:] == "_p":
moved_paks_p.append(paks)
else:
moved_paks.append(paks)
else:
if paks[0].casefold()[-2:] == "_p":
before_paks_p.append(paks)
else:
before_paks.append(paks)
if row >= new_priority:
if row in source_rows:
if paks[0].casefold()[-2:] == "_p":
moved_paks_p.append(paks)
else:
moved_paks.append(paks)
else:
if paks[0].casefold()[-2:] == "_p":
after_paks_p.append(paks)
else:
after_paks.append(paks)
new_paks = dict(
enumerate(
itertools.chain(
before_paks,
moved_paks,
after_paks,
before_paks_p,
moved_paks_p,
after_paks_p,
)
)
)
index = 8999
for row, pak in new_paks.items():
current_dir = QDir(pak[2])
parent_dir = QDir(pak[2])
parent_dir.cdUp()
if current_dir.exists() and parent_dir.dirName().casefold() == "~mods":
new_paks[row] = (
pak[0],
pak[1],
pak[2],
parent_dir.absoluteFilePath(str(index).zfill(4)),
)
index -= 1
self.set_paks(new_paks)
return False
|
