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73 lines
3.0 KiB
73 lines
3.0 KiB
3 years ago
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/*
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SPDX-FileCopyrightText: 2014 John Layt <john@layt.net>
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SPDX-FileCopyrightText: 2018 Eike Hein <hein@kde.org>
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SPDX-FileCopyrightText: 2021 Harald Sitter <sitter@kde.org>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#pragma once
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#include <QAbstractListModel>
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#include <KLocalizedString>
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#include "language.h"
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using LanguageVector = QVector<Language *>;
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class TranslationsModel : public QAbstractListModel
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{
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Q_OBJECT
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Q_PROPERTY(QStringList selectedLanguages READ selectedLanguages WRITE setSelectedLanguages NOTIFY selectedLanguagesChanged)
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Q_PROPERTY(QStringList missingLanguages READ missingLanguages NOTIFY missingLanguagesChanged)
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public:
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enum AdditionalRoles {
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Object = Qt::UserRole + 1,
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LanguageCode,
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IsSelected, // mutable whether the language is marked for use
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SelectionPreference, // integer index of selection preference (establishes the order of selections)
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IsIncomplete, // whether the language is missing distro packages (not relevant when not IsSelected)
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IsInstalling, // only true when the language was incomplete and is on the way to completion
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};
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Q_ENUM(AdditionalRoles)
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using QAbstractListModel::QAbstractListModel;
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QHash<int, QByteArray> roleNames() const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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QStringList selectedLanguages() const;
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void setSelectedLanguages(const QStringList &languages);
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QStringList missingLanguages() const;
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Q_INVOKABLE void move(int from, int to);
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Q_INVOKABLE void remove(const QString &languageCode);
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Q_SIGNALS:
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void selectedLanguagesChanged(const QStringList &languages) const;
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void missingLanguagesChanged() const;
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private:
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QString languageCodeToName(const QString &languageCode) const;
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LanguageVector makeLanguages(const QStringList &codes);
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// The indices of these two must always be the same. This is to ensure that we can map between them.
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// This is the overarching data set of all known languages. This is a strict super set of m_selectedLanguages.
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// Could have used a hash here but it'd a bit clunky since we most of the time need to access an index so
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// we'd constantly have to .values() and .keys().
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// The list of "known" languages cannot change at runtime really. They are all expected to be present all the time.
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const QStringList m_languageCodes = KLocalizedString::availableDomainTranslations("plasmashell").values();
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const LanguageVector m_languages = makeLanguages(m_languageCodes);
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// This tracks the selection and order of selected languages. It's a bit like an additional layer of model data.
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QStringList m_selectedLanguages;
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// Languages that were configured but are indeed missing from our model. These are only language codes.
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// We intentionally do not model this properly to keep things simple!
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QStringList m_missingLanguages;
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};
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