setools/setoolsgui/widgets/models/bounds.py
Chris PeBenito 136123c072 ModelRoles: Create enum for model data() method.
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>
2024-02-14 09:11:35 -05:00

68 lines
2.0 KiB
Python

# Copyright 2016, Tresys Technology, LLC
#
# SPDX-License-Identifier: LGPL-2.1-only
#
#
from PyQt6 import QtCore
import setools
from .. import details
from .modelroles import ModelRoles
from .table import SEToolsTableModel
__all__ = ("BoundsTable",)
class BoundsTable(SEToolsTableModel[setools.Bounds]):
"""Table-based model for *bounds."""
headers = ["Rule Type", "Parent", "Child"]
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()
item = self.item_list[row]
match role:
case ModelRoles.DisplayRole:
match col:
case 0:
return item.ruletype.name
case 1:
return item.parent.name
case 2:
return item.child.name
case ModelRoles.ContextMenuRole:
match col:
case 1:
return (details.type_detail_action(item.parent),)
case 2:
return (details.type_detail_action(item.child),)
case ModelRoles.WhatsThisRole:
match col:
case 0:
column_whatsthis = "<p>This is the rule type.</p>"
case 1:
column_whatsthis = "<p>This is the parent/bounding type.</p>"
case 2:
column_whatsthis = "<p>This is the child/bounded type.</p>"
case _:
column_whatsthis = ""
return \
f"""
<b><p>Table Representation of bounds rules</p></b>
<p>Each part of the declaration is represented as a column in the table.</p>
{column_whatsthis}
"""
return super().data(index, role)