stationtreeeventmonitor.h

/****************************************************************************
**
** Copyright (c) 2015-2026 RoboDK Global.
** Contact: https://robodk.com/
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** This file is part of the RoboDK API.
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#ifndef ROBODK_STATIONTREEEVENTMONITOR_H
#define ROBODK_STATIONTREEEVENTMONITOR_H
 
#include <cstdint>
#include <unordered_map>
#include <list>
#include <functional>
 
#include <QObject>
#include <QVector>
#include <QHash>
#include <QModelIndex>
 
 
class QIcon;
class QTreeWidget;
class QTreeWidgetItem;
class IRoboDK;
class IItem;
 
 
namespace robodk
{
 
class StationTreeEventMonitor : public QObject
{
    Q_OBJECT
 
public:
    enum Filter : uint32_t
    {
        NoFilter               = 0x00000000,
        IgnoreInactiveStations = 0x00000001,
        IgnoreNameChange       = 0x00000002,
        IgnoreIconChange       = 0x00000004,
        IgnoreAdd              = 0x00000008,
        IgnoreRemove           = 0x00000010,
        IgnoreChildren         = 0x00000020,
    };
 
    enum SubmitPolicy
    {
        AutoSubmit,
        ManualSubmit
    };
 
public:
    explicit StationTreeEventMonitor(IRoboDK* rdk, QObject* parent = nullptr);
 
    uint32_t filter() const;
    uint32_t setFilter(uint32_t filter);
    uint32_t setFilterFlag(uint32_t flag, bool on = true);
 
    void setSubmitPolicy(SubmitPolicy policy);
 
signals:
    void itemNameChanged(IItem* item, const QString& name);
    void itemIconChanged(IItem* item, const QIcon& icon);
    void itemAdded(IItem* item);
    void itemRemoved(IItem* item);
 
public slots:
    void refresh();
    void submit();
 
private slots:
    void onModelDataChanged(
        const QModelIndex& topLeft,
        const QModelIndex& bottomRight,
        const QVector<int>& roles = QVector<int>());
    void onModelRowsInserted(const QModelIndex& parent, int first, int last);
    void onModelRowsRemoved(const QModelIndex& parent, int first, int last);
 
private:
    struct QStringHash
    {
        inline size_t operator()(const QString& s) const { return qHash(s); };
    };
 
    using TreeCallback = std::function<void(const QModelIndex&)>;
 
private:
    void iterateOverTree(
        const QModelIndex& parent,
        const TreeCallback& callback,
        bool reverse = false);
    IItem* itemFromIndex(const QModelIndex& index) const;
    bool isActiveStationItem(const QModelIndex& index) const;
 
private:
    IRoboDK* _rdk = nullptr;
    QTreeWidget* _tree = nullptr;
 
    uint32_t _filter = IgnoreInactiveStations;
    SubmitPolicy _policy = AutoSubmit;
 
    std::unordered_multimap<QString, IItem*, QStringHash> _nameTable;
    std::unordered_map<IItem*, QString> _nameCache;
 
    std::list<QModelIndex> _addedIndices;
};
 
 
inline uint32_t StationTreeEventMonitor::filter() const
{
    return _filter;
}
 
inline uint32_t StationTreeEventMonitor::setFilter(uint32_t filter)
{
    auto result = _filter;
    _filter = filter;
    return result;
}
 
inline uint32_t StationTreeEventMonitor::setFilterFlag(uint32_t flag, bool on)
{
    auto result = _filter;
    if (on)
    {
        _filter |= flag;
    }
    else
    {
        _filter &= ~flag;
    }
    return result;
}
 
inline void StationTreeEventMonitor::setSubmitPolicy(SubmitPolicy policy)
{
    _policy = policy;
}
 
} // namespace robodk
 
#endif // STATIONTREEEVENTMONITOR_H