279 lines
11 KiB
Python
279 lines
11 KiB
Python
import re
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import sys
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from collections import ChainMap
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from typing import Any, Union
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from rare.utils.misc import icon
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from PyQt5.QtCore import Qt, QModelIndex, QAbstractTableModel, pyqtSlot
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from PyQt5.QtGui import QFont
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from rare.lgndr.core import LegendaryCore
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class EnvVarsTableModel(QAbstractTableModel):
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def __init__(self, core: LegendaryCore, parent = None):
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super(EnvVarsTableModel, self).__init__(parent=parent)
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self.core = core
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self.__validator = re.compile(r"(^[A-Za-z_][A-Za-z0-9_]*)")
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self.__data_map: ChainMap = ChainMap()
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self.__readonly = [
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"STEAM_COMPAT_DATA_PATH",
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"STEAM_COMPAT_CLIENT_INSTALL_PATH",
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"WINEPREFIX",
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"DXVK_HUD",
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"MANGOHUD_CONFIG",
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]
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self.__default: str = "default"
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self.__appname: str = None
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@pyqtSlot(str)
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def reset(self):
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if not self.__appname:
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return
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self.load(self.__appname)
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def load(self, app_name: str):
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self.__appname = app_name
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self.beginResetModel()
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if not self.core.lgd.config.has_section(f"{self.__appname}.env"):
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self.core.lgd.config[f"{self.__appname}.env"] = {}
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self.__data_map = ChainMap(
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self.core.lgd.config[f"{self.__appname}.env"],
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self.core.lgd.config[f"{self.__default}.env"] if self.__appname != self.__default else {}
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)
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self.endResetModel()
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def __key(self, index: Union[QModelIndex, int]):
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if isinstance(index, QModelIndex):
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index = index.row()
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try:
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return list(self.__data_map)[index]
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except Exception as e:
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print(e, index)
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return ""
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def __is_local(self, index: Union[QModelIndex, int]):
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key = self.__key(index)
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return key in self.__data_map.maps[0].keys()
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def __is_global(self, index: Union[QModelIndex, int]):
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key = self.__key(index)
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return key in self.__data_map.maps[1].keys()
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def __is_readonly(self, index: Union[QModelIndex, int]):
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key = self.__key(index)
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return key in self.__readonly
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def __value(self, index: Union[QModelIndex, int]):
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if isinstance(index, QModelIndex):
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index = index.row()
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return self.__data_map[self.__key(index)]
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def __title(self, section: int):
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if section == 0:
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return self.tr("Key")
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elif section == 1:
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return self.tr("Value")
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def __data_length(self):
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return len(self.__data_map)
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def __is_key_valid(self, value: str):
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match = self.__validator.match(value)
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if not match:
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return False
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return value == match.group(0)
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def data(self, index: QModelIndex, role: int = Qt.DisplayRole) -> Any:
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if role == Qt.DisplayRole or role == Qt.EditRole:
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if index.row() == self.__data_length():
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return ""
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if index.column() == 0:
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return self.__key(index)
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else:
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return self.__value(index)
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if role == Qt.TextAlignmentRole:
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if index.column() == 0:
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return Qt.AlignVCenter + Qt.AlignRight
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else:
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return Qt.AlignVCenter + Qt.AlignLeft
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if role == Qt.FontRole:
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font = QFont("Monospace")
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font.setStyleHint(QFont.Monospace)
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if index.row() < self.__data_length() and not self.__is_local(index):
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font.setWeight(QFont.Bold)
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else:
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font.setWeight(QFont.Normal)
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return font
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if role == Qt.ToolTipRole:
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if index.row() == self.__data_length():
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if index.column() == 1:
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return self.tr("Disabled, please set the variable name first.")
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else:
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return None
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if self.__key(index) in self.__readonly:
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return self.tr("Readonly, please edit this via setting the appropriate setting.")
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def headerData(self, section: int, orientation: Qt.Orientation, role: int = Qt.DisplayRole) -> Any:
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if role == Qt.DisplayRole:
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if orientation == Qt.Horizontal:
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return self.__title(section)
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if role == Qt.DecorationRole:
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if orientation == Qt.Vertical:
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if section < self.__data_length():
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if self.__is_readonly(section) or not self.__is_local(section):
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return icon("mdi.lock", "ei.lock")
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if self.__is_global(section) and self.__is_local(section):
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return icon("mdi.refresh", "ei.refresh")
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if self.__is_local(section):
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return icon("mdi.delete", "ei.remove-sign")
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return icon("mdi.plus", "ei.plus-sign")
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if role == Qt.TextAlignmentRole:
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return Qt.AlignVCenter + Qt.AlignHCenter
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return None
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def flags(self, index: QModelIndex):
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# Disable the value cell on rows without a name
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if index.row() == self.__data_length():
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if index.column() == 1:
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return super().flags(index) ^ Qt.ItemIsEnabled
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else:
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return Qt.ItemIsEditable | super().flags(index)
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# Disable readonly variables
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if self.__is_readonly(index):
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return super().flags(index) ^ Qt.ItemIsEnabled
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return Qt.ItemIsEditable | super().flags(index)
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def rowCount(self, parent: QModelIndex = None) -> int:
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parent = parent if parent else QModelIndex()
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# The length of the outer list.
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return self.__data_length() + 1
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def columnCount(self, parent: QModelIndex = None) -> int:
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parent = parent if parent else QModelIndex()
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return 2
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def setData(self, index: QModelIndex, value: Any, role: int = Qt.DisplayRole) -> bool:
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if role != Qt.EditRole:
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return False
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# Do not accept unchanged contents
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if index.row() < self.__data_length() and (value == self.__key(index) or value == self.__value(index)):
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return False
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# TODO: restrict spaces in variable names
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if index.column() == 0:
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if (not self.__is_key_valid(value)) or value in self.__readonly:
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return False
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# Do not accept existing variable names
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if value in self.__data_map.keys():
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return False
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else:
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if index.row() == self.__data_length():
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self.beginInsertRows(QModelIndex(), self.rowCount(index), self.rowCount(index))
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self.endInsertRows()
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self.__data_map[value] = ""
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self.core.lgd.save_config()
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self.dataChanged.emit(index, index, [])
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self.headerDataChanged.emit(Qt.Vertical, index.row(), index.row())
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# if we are on the last row, add a new last row to the table when setting the variable name
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else:
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# if we are not in the last row, we have to update an existing variable name
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old_key = self.__key(index)
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self.__data_map[value] = self.__data_map[old_key]
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self.core.lgd.save_config()
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# since we delete and add a new key, the new key will be moved at the end
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# deleting a local key can have the following effects
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# unique local key:
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# old key deleted, new key added -> update range from index to end
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# old local key masking global key:
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# old key remains, new key added -> insert row for new key, update from index to end
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# new key masking global key:
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# can't happen because we do not accept existing keys
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if old_key in self.__data_map.maps[0].keys():
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# delete the old key if it is a local one, replacing a local key
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del self.__data_map[old_key]
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self.core.lgd.save_config()
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if old_key in self.__data_map.maps[1].keys():
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self.beginInsertRows(QModelIndex(), self.__data_length(), self.__data_length())
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self.endInsertRows()
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self.dataChanged.emit(index, self.index(index.row(), 1), [])
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self.dataChanged.emit(self.index(self.__data_length() - 1, 0), self.index(self.__data_length() - 1, 1), [])
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self.headerDataChanged.emit(Qt.Vertical, index.row(), index.row())
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self.headerDataChanged.emit(Qt.Vertical, self.__data_length() - 1, self.__data_length() - 1)
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else:
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self.__data_map[self.__key(index)] = value
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self.core.lgd.save_config()
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self.dataChanged.emit(self.index(index.row(), 0), index, [])
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self.headerDataChanged.emit(Qt.Vertical, index.row(), index.row())
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# pprint([item for item in self.__data_map.items()])
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return True
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def removeRow(self, row: int, parent: QModelIndex = None) -> bool:
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parent = parent if parent else QModelIndex()
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# Refuse to remove the last row
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if row == self.__data_length():
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return False
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# Refuse to remove readonly keys
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if self.__is_readonly(row):
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return False
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# Refuse to remove keys that don't have our app_name (in this case the default)
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if not self.__is_local(row):
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return False
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if self.__is_global(row):
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del self.__data_map[self.__key(row)]
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self.core.lgd.save_config()
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self.dataChanged.emit(self.index(row, 0), self.index(row, 1), [])
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self.headerDataChanged.emit(Qt.Vertical, row, row)
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else:
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self.beginRemoveRows(QModelIndex(), row, row)
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del self.__data_map[self.__key(row)]
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self.core.lgd.save_config()
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self.endRemoveRows()
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# pprint([item for item in self.__data_map.items()])
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return True
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if __name__ == "__main__":
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from PyQt5.QtWidgets import QApplication, QDialog, QVBoxLayout, QTableView, QHeaderView
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from rare.resources import static_css
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from rare.resources.stylesheets import RareStyle
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from rare.utils.misc import set_style_sheet
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from legendary.core import LegendaryCore
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class MainDialog(QDialog):
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def __init__(self):
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super().__init__()
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self.table = QTableView()
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self.model = EnvVarsTableModel(LegendaryCore())
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self.model.load("Tamarind")
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self.table.setModel(self.model)
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self.table.verticalHeader().sectionPressed.disconnect()
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self.table.horizontalHeader().sectionPressed.disconnect()
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self.table.verticalHeader().sectionClicked.connect(self.model.removeRow)
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self.table.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
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self.table.horizontalHeader().setStretchLastSection(True)
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self.table.setCornerButtonEnabled(False)
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self.setLayout(QVBoxLayout(self))
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self.layout().addWidget(self.table)
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app = QApplication(sys.argv)
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set_style_sheet("RareStyle")
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window = MainDialog()
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window.setFixedSize(800, 600)
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window.show()
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app.exec()
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