mirror of
https://github.com/SELinuxProject/setools
synced 2025-04-23 15:45:15 +00:00
136123c072
Tighten the data() methods for models by creating an enum for apol's use of QtCore.Qt.ItemDataRole. Signed-off-by: Chris PeBenito <pebenito@ieee.org>
93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
# Copyright 2016, Tresys Technology, LLC
|
|
#
|
|
# SPDX-License-Identifier: LGPL-2.1-only
|
|
#
|
|
|
|
import typing
|
|
|
|
from PyQt6 import QtCore
|
|
import setools
|
|
|
|
from .. import details
|
|
from .modelroles import ModelRoles
|
|
from .table import SEToolsTableModel
|
|
|
|
HAS_PERMS: typing.Final[tuple[setools.ConstraintRuletype, ...]] = (
|
|
setools.ConstraintRuletype.constrain,
|
|
setools.ConstraintRuletype.mlsconstrain)
|
|
|
|
__all__ = ("ConstraintTable",)
|
|
|
|
|
|
class ConstraintTable(SEToolsTableModel[setools.Constraint]):
|
|
|
|
"""A table-based model for constraints."""
|
|
|
|
headers = ["Rule Type", "Class", "Permissions", "Expression"]
|
|
|
|
def data(self, index: QtCore.QModelIndex, role: int = ModelRoles.DisplayRole):
|
|
if not self.item_list or not index.isValid():
|
|
return None
|
|
|
|
row = index.row()
|
|
col = index.column()
|
|
rule = self.item_list[row]
|
|
|
|
match role:
|
|
case ModelRoles.DisplayRole:
|
|
match col:
|
|
case 0:
|
|
return rule.ruletype.name
|
|
case 1:
|
|
return rule.tclass.name
|
|
case 2:
|
|
if rule.ruletype in HAS_PERMS:
|
|
return ", ".join(sorted(rule.perms))
|
|
else:
|
|
return None
|
|
case 3:
|
|
return str(rule.expression)
|
|
|
|
case ModelRoles.ContextMenuRole:
|
|
if col == 2:
|
|
return details.objclass_detail_action(rule.tclass)
|
|
|
|
case ModelRoles.WhatsThisRole:
|
|
match col:
|
|
case 0:
|
|
column_whatsthis = \
|
|
"""
|
|
<p>This is the type of constraint.</p>
|
|
"""
|
|
case 1:
|
|
column_whatsthis = \
|
|
"""
|
|
<p>This is the object class of the constraint.</p>
|
|
"""
|
|
case 2:
|
|
if rule.ruletype in HAS_PERMS:
|
|
column_whatsthis = \
|
|
"""
|
|
<p>These are the permissions of the constraint.</p>
|
|
"""
|
|
else:
|
|
column_whatsthis = f"This column does not apply to {rule.ruletype}."
|
|
case 3:
|
|
column_whatsthis = \
|
|
"""
|
|
<p>This expression of the constraint.</p>
|
|
"""
|
|
case _:
|
|
column_whatsthis = ""
|
|
|
|
return \
|
|
f"""
|
|
<b><p>Table Representation of Constraints</p></b>
|
|
|
|
<p>Each part of the rule is represented as a column in the table.</p>
|
|
|
|
{column_whatsthis}
|
|
"""
|
|
|
|
return super().data(index, role)
|