1 /*
2   objectidfilterproxymodel.cpp
3 
4   This file is part of GammaRay, the Qt application inspection and
5   manipulation tool.
6 
7   Copyright (C) 2010-2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
8   Author: Filipe Azevedo <filipe.azevedo@kdab.com>
9 
10   Licensees holding valid commercial KDAB GammaRay licenses may use this file in
11   accordance with GammaRay Commercial License Agreement provided with the Software.
12 
13   Contact info@kdab.com if any conditions of this licensing are not clear to you.
14 
15   This program is free software; you can redistribute it and/or modify
16   it under the terms of the GNU General Public License as published by
17   the Free Software Foundation, either version 2 of the License, or
18   (at your option) any later version.
19 
20   This program is distributed in the hope that it will be useful,
21   but WITHOUT ANY WARRANTY; without even the implied warranty of
22   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23   GNU General Public License for more details.
24 
25   You should have received a copy of the GNU General Public License
26   along with this program.  If not, see <http://www.gnu.org/licenses/>.
27 */
28 
29 #include "objectidfilterproxymodel.h"
30 #include "objectmodel.h"
31 
32 using namespace GammaRay;
33 
ObjectIdsFilterProxyModel(QObject * parent)34 ObjectIdsFilterProxyModel::ObjectIdsFilterProxyModel(QObject *parent)
35     : KRecursiveFilterProxyModel(parent)
36 {
37 }
38 
sort(int column,Qt::SortOrder order)39 void ObjectIdsFilterProxyModel::sort(int column, Qt::SortOrder order)
40 {
41     Q_UNUSED(column);
42     Q_UNUSED(order);
43 }
44 
ids() const45 GammaRay::ObjectIds ObjectIdsFilterProxyModel::ids() const
46 {
47     return m_ids;
48 }
49 
setIds(const GammaRay::ObjectIds & ids)50 void ObjectIdsFilterProxyModel::setIds(const GammaRay::ObjectIds &ids)
51 {
52     if (m_ids == ids)
53         return;
54 
55     m_ids = ids;
56     invalidateFilter();
57 }
58 
acceptRow(int source_row,const QModelIndex & source_parent) const59 bool ObjectIdsFilterProxyModel::acceptRow(int source_row, const QModelIndex &source_parent) const
60 {
61     // shortcut for the common case, the object id stuff below allocates memory and does expensive model lookups
62     if (m_ids.isEmpty()) {
63         return KRecursiveFilterProxyModel::acceptRow(source_row, source_parent);
64     }
65 
66     const QModelIndex source_index = sourceModel()->index(source_row, 0, source_parent);
67     if (!source_index.isValid()) {
68         return false;
69     }
70 
71     const GammaRay::ObjectId id = source_index.data(ObjectModel::ObjectIdRole).value<GammaRay::ObjectId>();
72     if (id.isNull() || !filterAcceptsObjectId(id)) {
73         return false;
74     }
75 
76     return KRecursiveFilterProxyModel::acceptRow(source_row, source_parent);
77 }
78 
filterAcceptsObjectId(const GammaRay::ObjectId & id) const79 bool ObjectIdsFilterProxyModel::filterAcceptsObjectId(const GammaRay::ObjectId &id) const
80 {
81     return m_ids.contains(id);
82 }
83