Devtools: Split state keys into a separate list

src/models/statekeysmodel.h

@@ -0,0 +1,83 @@
+// SPDX-FileCopyrightText: 2024 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+#pragma once
+
+#include <QAbstractListModel>
+#include <QQmlEngine>
+
+#include "neochatroom.h"
+
+/**
+ * @class StateKeysModel
+ *
+ * This class defines the model for visualising the state keys for a certain type in a room.
+ */
+class StateKeysModel : public QAbstractListModel
+{
+    Q_OBJECT
+    QML_ELEMENT
+
+    /**
+     * @brief The current room that the model is getting its state events from.
+     */
+    Q_PROPERTY(NeoChatRoom *room READ room WRITE setRoom NOTIFY roomChanged REQUIRED)
+
+    /**
+     * @brief The event type to list the stateKeys for
+     */
+    Q_PROPERTY(QString eventType READ eventType WRITE setEventType NOTIFY eventTypeChanged REQUIRED)
+
+public:
+    /**
+     * @brief Defines the model roles.
+     */
+    enum Roles {
+        StateKeyRole, /**< The state key of the state event. */
+    };
+    Q_ENUM(Roles)
+
+    explicit StateKeysModel(QObject *parent = nullptr);
+
+    NeoChatRoom *room() const;
+    void setRoom(NeoChatRoom *room);
+
+    QString eventType() const;
+    void setEventType(const QString &eventType);
+
+    /**
+     * @brief Get the given role value at the given index.
+     *
+     * @sa QAbstractItemModel::data
+     */
+    QVariant data(const QModelIndex &index, int role) const override;
+
+    /**
+     * @brief Number of rows in the model.
+     *
+     * @sa QAbstractItemModel::rowCount
+     */
+    int rowCount(const QModelIndex &parent) const override;
+
+    /**
+     * @brief Returns a mapping from Role enum values to role names.
+     *
+     * @sa Roles, QAbstractItemModel::roleNames()
+     */
+    QHash<int, QByteArray> roleNames() const override;
+
+    /**
+     * @brief Get the full JSON for an event.
+     */
+    Q_INVOKABLE QByteArray stateEventJson(const QModelIndex &index);
+
+Q_SIGNALS:
+    void roomChanged();
+    void eventTypeChanged();
+
+private:
+    NeoChatRoom *m_room = nullptr;
+    QString m_eventType;
+    QVector<const Quotient::StateEvent *> m_stateKeys;
+    void loadState();
+};