LogViewerController.h

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#pragma once
 
#include <QtCore/QHash>
#include <QtCore/QObject>
#include <QtCore/QSet>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QVariantList>
#include <QtQmlIntegration/QtQmlIntegration>
 
class LogViewerController : public QObject
{
    Q_OBJECT
    QML_ELEMENT
 
    Q_PROPERTY(SourceType   sourceType     READ sourceType     NOTIFY sourceTypeChanged)
    Q_PROPERTY(QString      currentLogPath READ currentLogPath NOTIFY currentLogPathChanged)
    Q_PROPERTY(bool         hasLoadedLog   READ hasLoadedLog   NOTIFY currentLogPathChanged)
    Q_PROPERTY(QStringList plottableFields READ plottableFields NOTIFY plottableFieldsChanged)
    Q_PROPERTY(QVariantList fieldRows      READ fieldRows      NOTIFY fieldRowsChanged)
    Q_PROPERTY(QStringList  selectedFields READ selectedFields NOTIFY selectedFieldsChanged)
 
public:
    enum class SourceType {
        None,
        TLog,
        Bin,
        ULog,
    };
    Q_ENUM(SourceType)
 
    explicit LogViewerController(QObject *parent = nullptr);
    ~LogViewerController();
 
    SourceType sourceType() const { return _sourceType; }
    QString currentLogPath() const { return _currentLogPath; }
    bool hasLoadedLog() const { return !_currentLogPath.isEmpty(); }
 
    QStringList plottableFields() const { return _plottableFields; }
    QVariantList fieldRows() const { return _fieldRows; }
    QStringList selectedFields() const { return _selectedFields; }
 
    Q_INVOKABLE void clear();
    Q_INVOKABLE void openTLog(const QString &path);
    Q_INVOKABLE void openBinLog(const QString &path);
    Q_INVOKABLE void openULogFile(const QString &path);
    Q_INVOKABLE void setPlottableFields(const QStringList &fieldNames);
    Q_INVOKABLE void clearSelection();
    Q_INVOKABLE void toggleGroupExpanded(const QString &groupName);
    Q_INVOKABLE bool isGroupExpanded(const QString &groupName) const;
    Q_INVOKABLE void setFieldSelected(const QString &fieldName, bool selected);
    Q_INVOKABLE bool isFieldSelected(const QString &fieldName) const;
    Q_INVOKABLE QString fieldColor(const QString &fieldName) const;
    Q_INVOKABLE QString eventColor(const QString &eventType) const;
 
signals:
    void sourceTypeChanged();
    void currentLogPathChanged();
    void plottableFieldsChanged();
    void fieldRowsChanged();
    void selectedFieldsChanged();
 
private:
    void _rebuildFieldRows();
    QString _assignColorForKey(const QString &key) const;
    void _setLog(SourceType sourceType, const QString &path);
 
    SourceType _sourceType = SourceType::None;
    QString _currentLogPath;
    QStringList _plottableFields;
    QVariantList _fieldRows;
    QStringList _selectedFields;
    QSet<QString> _expandedGroups;
};