Devtools: Split state keys into a separate list

src/models/statekeysmodel.cpp

@@ -0,0 +1,85 @@
+// SPDX-FileCopyrightText: 2024 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+#include "statekeysmodel.h"
+
+StateKeysModel::StateKeysModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+}
+
+QHash<int, QByteArray> StateKeysModel::roleNames() const
+{
+    return {
+        {StateKeyRole, "stateKey"},
+    };
+}
+QVariant StateKeysModel::data(const QModelIndex &index, int role) const
+{
+    Q_ASSERT(checkIndex(index, QAbstractItemModel::CheckIndexOption::IndexIsValid));
+    const auto row = index.row();
+    switch (role) {
+    case StateKeyRole:
+        return m_stateKeys[row]->stateKey();
+    }
+    return {};
+}
+
+int StateKeysModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return m_stateKeys.count();
+}
+
+NeoChatRoom *StateKeysModel::room() const
+{
+    return m_room;
+}
+
+void StateKeysModel::loadState()
+{
+    if (!m_room || m_eventType.isEmpty()) {
+        return;
+    }
+
+    beginResetModel();
+    m_stateKeys = m_room->currentState().eventsOfType(m_eventType);
+    endResetModel();
+}
+
+void StateKeysModel::setRoom(NeoChatRoom *room)
+{
+    if (m_room) {
+        disconnect(m_room, nullptr, this, nullptr);
+    }
+
+    m_room = room;
+    Q_EMIT roomChanged();
+    loadState();
+
+    connect(room, &NeoChatRoom::changed, this, [this] {
+        loadState();
+    });
+}
+
+QString StateKeysModel::eventType() const
+{
+    return m_eventType;
+}
+
+void StateKeysModel::setEventType(const QString &eventType)
+{
+    m_eventType = eventType;
+    Q_EMIT eventTypeChanged();
+    loadState();
+}
+
+QByteArray StateKeysModel::stateEventJson(const QModelIndex &index)
+{
+    const auto row = index.row();
+    const auto event = m_stateKeys[row];
+    const auto json = event->fullJson();
+    return QJsonDocument(json).toJson();
+}
+
+#include "moc_statekeysmodel.cpp"