Differential D22121 Diff 61648 wallpapers/image/slidefiltermodel.cpp

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wallpapers/image/slidefiltermodel.cpp

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1​/*
2​ * Copyright 2019 David Redondo <kde@david-redondo.de>
3​ *
4​ * This program is free software; you can redistribute it and/or modify
5​ * it under the terms of the GNU General Public License as published by
6​ * the Free Software Foundation; either version 2 of the License, or
7​ * (at your option) any later version.
8​ *
9​ * This program is distributed in the hope that it will be useful,
10​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
11​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12​ * GNU General Public License for more details.
13​ *
14​ * You should have received a copy of the GNU General Public License
15​ * along with this program; if not, write to the Free Software
16​ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 2.010-1301, USA.
17​ */
18​
19​#include "slidefiltermodel.h"
20​
21​#include "backgroundlistmodel.h"
22​#include "slidemodel.h"
23​
24​#include <QRandomGenerator>
25​#include <QDebug>
26​#include <QFileInfo>
27​
28​SlideFilterModel::SlideFilterModel(QObject* parent)
29​ : QSortFilterProxyModel{parent}
30​ , m_SortingMode{Image::Random}
31​ , m_usedInConfig{false}
32​{
33​ setSortCaseSensitivity(Qt::CaseSensitivity::CaseInsensitive);
34​ connect(this, &SlideFilterModel::usedInConfigChanged, this, &SlideFilterModel::invalidateFilter);
35​}
36​
37​bool SlideFilterModel::filterAcceptsRow(int source_row, const QModelIndex& source_parent) const
38​{
39​ auto index = sourceModel()->index(source_row, 0, source_parent);
40​ return m_usedInConfig || index.data(BackgroundListModel::ToggleRole).toBool();
41​}
42​
43​bool SlideFilterModel::lessThan(const QModelIndex& source_left, const QModelIndex& source_right) const
44​{
45​ switch (m_SortingMode) {
46​ case Image::Random:
47​ return (*QRandomGenerator::system())() % 2 == 0;
48​ case Image::Alphabetical:
49​ return QSortFilterProxyModel::lessThan(source_left, source_right);
50​ case Image::AlphabeticalReversed:
51​ return !QSortFilterProxyModel::lessThan(source_left, source_right);
52​ case Image::Modified: // oldest first
53​ {
54​ QFileInfo f1(source_left.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
55​ QFileInfo f2(source_right.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
56​ return f1.lastModified() < f2.lastModified();
57​ }
58​ case Image::ModifiedReversed: // newest first
59​ {
60​ QFileInfo f1(source_left.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
61​ QFileInfo f2(source_right.data(BackgroundListModel::PathRole).toUrl().toLocalFile());
62​ return !(f1.lastModified() < f2.lastModified());
63​ }
64​ }
65​ Q_UNREACHABLE();
66​}
67​
68​void SlideFilterModel::setSortingMode(Image::SlideshowMode mode)
69​{
70​ m_SortingMode = mode;
71​ if (!(m_usedInConfig && mode == Image::Random)) {
72​ QSortFilterProxyModel::invalidate();
73​ }
74​}
75​
76​void SlideFilterModel::invalidateFilter()
77​{
78​ QSortFilterProxyModel::invalidateFilter();
79​}
80​
81​int SlideFilterModel::indexOf(const QString& path)
82​{
83​ auto sourceIndex = sourceModel()->index(static_cast<SlideModel*>(sourceModel())->indexOf(path), 0);
84​ return mapFromSource(sourceIndex).row();
85​}
86​
87​void SlideFilterModel::openContainingFolder(int rowIndex)
88​{
89​ auto sourceIndex = mapToSource(index(rowIndex, 0));
90​ static_cast<SlideModel*>(sourceModel())->openContainingFolder(sourceIndex.row());
91​}