extensionviewaccess.h

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#pragma once
#include "sdk/IViewEvents.hpp"
#include "sdk/IViewControls.hpp"
#include <QObject>
#include <QPointer>
#include <memory>
 
class SWMMVisProjectWindow;
class OpenSWMMVisLayer;
 
namespace openswmmvis
{
class ExtensionStateRegistry;
using ViewEventSink = std::function<void(OpenSWMM::Sdk::ViewEvent)>;
 
class ExtensionLayerBridge final : public QObject
{
public:
    ExtensionLayerBridge(SWMMVisProjectWindow *window, ViewEventSink changed);
    ~ExtensionLayerBridge() override;
    QList<OpenSWMM::Sdk::LayerViewState> snapshot() const;
    QUuid identity(OpenSWMMVisLayer *layer) const;
    OpenSWMMVisLayer *resolve(const QUuid &id) const;
    bool execute(const OpenSWMM::Sdk::ViewCommand &command, QString *error);
    QList<qint64> selectedFeatures(const QUuid &id, int offset, int limit) const;
 
private:
    struct Data;                 
    std::unique_ptr<Data> mData; 
};
 
class ExtensionResultsBridge final : public QObject
{
public:
    ExtensionResultsBridge(SWMMVisProjectWindow *window,
                           std::function<QUuid(OpenSWMMVisLayer *)> identity,
                           ViewEventSink changed);
    ~ExtensionResultsBridge() override;
    QList<OpenSWMM::Sdk::ResultsViewState> snapshot() const;
    bool execute(const OpenSWMM::Sdk::ViewCommand &command, OpenSWMMVisLayer *layer,
                 QString *error);
 
private:
    struct Data;                 
    std::unique_ptr<Data> mData; 
};
 
void installExtensionModelViewEvents(SWMMVisProjectWindow *window, QObject *context,
                                     ViewEventSink changed);
void populateExtensionModelViewState(SWMMVisProjectWindow *window,
                                     OpenSWMM::Sdk::ViewSnapshot &snapshot);
 
class ExtensionViewAccess final : public QObject
{
    Q_OBJECT
public:
    explicit ExtensionViewAccess(SWMMVisProjectWindow *window);
    ~ExtensionViewAccess() override;
    static ExtensionViewAccess *find(SWMMVisProjectWindow *window);
    void refresh();
    bool execute(const OpenSWMM::Sdk::ViewCommand &command, QString *error);
    QList<qint64> selectedFeatures(const QUuid &id, int offset, int limit) const;
    QUuid identity(OpenSWMMVisLayer *layer) const;
 
private:
    QPointer<SWMMVisProjectWindow> mWindow;           
    QPointer<ExtensionStateRegistry> mRegistry;       
    std::unique_ptr<ExtensionLayerBridge> mLayers;    
    std::unique_ptr<ExtensionResultsBridge> mResults; 
    QUuid mOrigin; 
    bool mInitializing = true; 
    OpenSWMM::Sdk::ViewSnapshot capture() const;
    void record(OpenSWMM::Sdk::ViewEvent event);
};
}