Differential D12102 Diff 34121 kcms/translations/translationsmodel.cpp

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kcms/translations/translationsmodel.cpp

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1​/*
2​ * Copyright (C) 2014 John Layt <john@layt.net>
3​ * Copyright (C) 2018 Eike Hein <hein@kde.org>
4​ *
5​ * This library is free software; you can redistribute it and/or
6​ * modify it under the terms of the GNU Library General Public
7​ * License as published by the Free Software Foundation; either
8​ * version 2 of the License, or (at your option) any later version.
9​ *
10​ * This library is distributed in the hope that it will be useful,
11​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
12​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13​ * Library General Public License for more details.
14​ *
15​ * You should have received a copy of the GNU Library General Public License
16​ * along with this library; see the file COPYING.LIB. If not, write to
17​ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18​ * Boston, MA 02110-1301, USA.
19​ */
20​
21​#include "translationsmodel.h"
22​
23​#include <KLocalizedString>
24​
25​#include <QDebug>
26​#include <QLocale>
27​#include <QMetaEnum>
28​
29​TranslationsModel::TranslationsModel(QObject *parent)
30​ : QAbstractListModel(parent)
31​{
32​ m_installedLanguages = KLocalizedString::availableDomainTranslations("systemsettings");
33​ m_languages = m_installedLanguages.toList();
34​}
35​
36​TranslationsModel::~TranslationsModel()
37​{
38​}
39​
40​QHash<int, QByteArray> TranslationsModel::roleNames() const
41​{
42​ QHash<int, QByteArray> roles = QAbstractItemModel::roleNames();
43​
44​ QMetaEnum e = metaObject()->enumerator(metaObject()->indexOfEnumerator("AdditionalRoles"));
45​
46​ for (int i = 0; i < e.keyCount(); ++i) {
47​ roles.insert(e.value(i), e.key(i));
48​ }
49​
50​ return roles;
51​}
52​
53​QVariant TranslationsModel::data(const QModelIndex &index, int role) const
54​{
55​ if (!index.isValid() || index.row() < 0 || index.row() >= m_languages.count()) {
56​ return QVariant();
57​ }
58​
59​ if (role == Qt::DisplayRole) {
60​ return languageCodeToName(m_languages.at(index.row()));
61​ } else if (role == LanguageCode) {
62​ return m_languages.at(index.row());
63​ } else if (role == IsSelected) {
64​ return m_selectedLanguages.contains(m_languages.at(index.row()));
65​ } else if (role == SelectedPriority) {
66​ return m_selectedLanguages.indexOf(m_languages.at(index.row()));
67​ } else if (role == IsMissing) {
68​ return m_missingLanguages.contains(m_languages.at(index.row()));
69​ }
70​
71​ return QVariant();
72​}
73​
74​int TranslationsModel::rowCount(const QModelIndex &parent) const
75​{
76​ if (parent.isValid()) {
77​ return 0;
78​ }
79​
80​ return m_languages.count();
81​}
82​
83​QStringList TranslationsModel::selectedLanguages() const
84​{
85​ return m_selectedLanguages;
86​}
87​
88​
89​void TranslationsModel::setSelectedLanguages(const QStringList &languages)
90​{
91​ if (m_selectedLanguages != languages) {
92​ QStringList missingLanguages;
93​
94​ for (const QString& lang : languages) {
95​ if (!m_installedLanguages.contains(lang)) {
96​ missingLanguages << lang;
97​ }
98​ }
99​
100​ missingLanguages.sort();
101​
102​ if (missingLanguages != m_missingLanguages) {
103​ m_missingLanguages = missingLanguages;
104​ emit missingLanguagesChanged();
105​ }
106​
107​ beginResetModel();
108​
109​ m_selectedLanguages = languages;
110​ m_languages = (m_installedLanguages | QSet<QString>::fromList(m_selectedLanguages)).toList();
111​
112​ endResetModel();
113​
114​ emit selectedLanguagesChanged();
115​ }
116​}
117​
118​QStringList TranslationsModel::missingLanguages() const
119​{
120​ return m_missingLanguages;
121​}
122​
123​void TranslationsModel::moveSelectedLanguage(int from, int to)
124​{
125​ if (from >= m_selectedLanguages.count() || to >= m_selectedLanguages.count()) {
safaalfulaijUnsubmitted
Not Done

About this and the fact the Qt doesn't still have an API for returning the language according to the current locale, maybe KLanguageButton can be used, or at least the same code?
https://phabricator.kde.org/source/kconfigwidgets/browse/master/src/klanguagebutton.cpp;294e81b13b0b858c195b68c983d6d56e2ae46c1b$193

safaalfulaij: About this and the fact the Qt doesn't still have an API for returning the language according…
126​ return;
127​ }
128​
129​ if (from == to) {
130​ return;
131​ }
132​
133​ m_selectedLanguages.move(from, to);
134​
135​ emit selectedLanguagesChanged();
136​
137​ auto idx = index(m_languages.indexOf(m_selectedLanguages.at(from)), 0);
138​
139​ if (idx.isValid()) {
140​ emit dataChanged(idx, idx, QVector<int>{SelectedPriority});
141​ }
142​
143​ idx = index(m_languages.indexOf(m_selectedLanguages.at(to)), 0);
144​
145​ if (idx.isValid()) {
146​ emit dataChanged(idx, idx, QVector<int>{SelectedPriority});
147​ }
148​}
149​
150​void TranslationsModel::removeSelectedLanguage(const QString &languageCode)
151​{
152​ m_selectedLanguages.removeOne(languageCode);
153​
154​ emit selectedLanguagesChanged();
155​
156​ auto idx = index(m_languages.indexOf(languageCode), 0);
157​
158​ if (idx.isValid()) {
159​ emit dataChanged(idx, idx, QVector<int>{IsSelected, SelectedPriority});
160​ }
161​}
162​
163​QString TranslationsModel::languageCodeToName(const QString& languageCode) const
164​{
165​ const QLocale locale(languageCode);
166​ const QString &languageName = locale.nativeLanguageName();
167​
168​ if (languageName.isEmpty()) {
169​ return languageCode;
170​ }
171​
172​ if (languageCode.contains(QStringLiteral("@"))) {
173​ return i18nc("%1 is language name, %2 is language code name", "%1 (%2)", languageName, languageCode);
174​ }
175​
176​ if (locale.name() != languageCode && m_installedLanguages.contains(locale.name())) {
177​ // KDE languageCode got translated by QLocale to a locale code we also have on
178​ // the list. Currently this only happens with pt that gets translated to pt_BR.
179​ if (languageCode == QLatin1String("pt")) {
180​ return QLocale(QStringLiteral("pt_PT")).nativeLanguageName();
181​ } else {
182​ qWarning() << "Language code morphed into another existing language code, please report!" << languageCode << locale.name();
183​ return i18nc("%1 is language name, %2 is language code name", "%1 (%2)", languageName, languageCode);
184​ }
185​ }
186​
187​ return languageName;
188​}