| 1 | /* |
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| 2 | * SPDX-FileCopyrightText: 2023 ivan tkachenko <me@ratijas.tk> |
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| 3 | * |
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| 4 | * SPDX-License-Identifier: LGPL-2.0-or-later |
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| 5 | */ |
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| 6 | |
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| 7 | #include "krolenames.h" |
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| 8 | |
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| 9 | #include <QAbstractItemModel> |
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| 10 | #include <QQmlInfo> |
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| 11 | |
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| 12 | class KRoleNamesPrivate |
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| 13 | { |
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| 14 | KRoleNames *const q; |
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| 15 | |
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| 16 | public: |
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| 17 | explicit KRoleNamesPrivate(KRoleNames *qq) |
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| 18 | : q(qq) |
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| 19 | { |
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| 20 | } |
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| 21 | |
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| 22 | QHash<int, QByteArray> roleNames() const; |
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| 23 | QAbstractItemModel *model() const; |
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| 24 | }; |
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| 25 | |
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| 26 | KRoleNames::KRoleNames(QObject *parent) |
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| 27 | : QObject(parent) |
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| 28 | , d(new KRoleNamesPrivate(this)) |
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| 29 | { |
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| 30 | Q_ASSERT(parent); |
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| 31 | if (!d->model()) { |
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| 32 | qmlWarning(me: parent) << "KRoleNames must be attached to a QAbstractItemModel" ; |
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| 33 | return; |
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| 34 | } |
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| 35 | } |
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| 36 | |
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| 37 | KRoleNames::~KRoleNames() = default; |
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| 38 | |
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| 39 | QByteArray KRoleNames::roleName(int role) const |
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| 40 | { |
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| 41 | const auto map = d->roleNames(); |
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| 42 | return map.value(key: role, defaultValue: QByteArray()); |
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| 43 | } |
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| 44 | |
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| 45 | int KRoleNames::role(const QByteArray &roleName) const |
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| 46 | { |
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| 47 | const auto map = d->roleNames(); |
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| 48 | return map.key(value: roleName, defaultKey: -1); |
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| 49 | } |
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| 50 | |
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| 51 | KRoleNames *KRoleNames::qmlAttachedProperties(QObject *object) |
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| 52 | { |
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| 53 | return new KRoleNames(object); |
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| 54 | } |
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| 55 | |
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| 56 | QHash<int, QByteArray> KRoleNamesPrivate::roleNames() const |
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| 57 | { |
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| 58 | if (const auto m = model()) { |
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| 59 | return m->roleNames(); |
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| 60 | } |
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| 61 | return {}; |
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| 62 | } |
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| 63 | |
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| 64 | QAbstractItemModel *KRoleNamesPrivate::model() const |
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| 65 | { |
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| 66 | return qobject_cast<QAbstractItemModel *>(object: q->parent()); |
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| 67 | } |
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| 68 | |
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| 69 | #include "moc_krolenames.cpp" |
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| 70 | |
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