timeserieseditchartview.h

Go to the documentation of this file.

 
#ifndef OPENSWMMVIS_UI_WIDGETS_TIMESERIESEDITCHARTVIEW_H
#define OPENSWMMVIS_UI_WIDGETS_TIMESERIESEDITCHARTVIEW_H
 
#include "ui/widgets/interactivechartview.h"
 
#include <QPoint>
#include <QPointer>
#include <QVector>
 
class QChart;
class QLineSeries;
class QScatterSeries;
namespace openswmmvis::plot { class UtcTimeAxis; }
class QValueAxis;
class QRubberBand;
class QUndoStack;
 
namespace openswmmvis::timeseries {
class TimeseriesProvider;
}
 
namespace openswmmvis::ui {
 
class ChartAxisFormatController;
 
class TimeseriesEditChartView : public InteractiveChartView
{
    Q_OBJECT
 
public:
    enum class EditMode {
        None,           
        EditPoints,     
        RotatePoints,   
        ScalePoints     
    };
    Q_ENUM(EditMode)
 
    explicit TimeseriesEditChartView(openswmmvis::timeseries::TimeseriesProvider *provider,
                                     QWidget *parent = nullptr);
    ~TimeseriesEditChartView() override;
 
    // ── MVC binding ─────────────────────────────────────────────────────────
 
    openswmmvis::timeseries::TimeseriesProvider *provider() const noexcept;
 
    void setProvider(openswmmvis::timeseries::TimeseriesProvider *p);
 
    void setUndoStack(QUndoStack *stack);
    QUndoStack *undoStack() const noexcept { return m_undoStack; }
 
    void setAxisFormatController(ChartAxisFormatController *c) { m_axisFmt = c; }
 
    // ── Edit mode ───────────────────────────────────────────────────────────
 
    EditMode editMode() const noexcept { return m_editMode; }
    void setEditMode(EditMode m);
 
    // ── Snap ────────────────────────────────────────────────────────────────
 
    bool snapToTimeStep() const noexcept { return m_snap; }
    void setSnapToTimeStep(bool on) noexcept { m_snap = on; }
 
    int snapStepSeconds() const noexcept { return m_snapSec; }
    void setSnapStepSeconds(int secs) noexcept { m_snapSec = secs > 0 ? secs : 1; }
 
    // ── Selection ───────────────────────────────────────────────────────────
 
    QVector<int> selectedIndices() const { return m_selection; }
    void clearSelection();
    void setSelection(QVector<int> indices);
 
    // ── Testing / introspection ─────────────────────────────────────────────
 
    int hitTestPoint(const QPoint &viewportPx, int hitRadiusPx = 6) const;
 
public slots:
    void zoomToExtent();
 
signals:
    void selectionChanged(const QVector<int> &indices);
 
    void editModeChanged(EditMode m);
 
protected:
    void mousePressEvent(QMouseEvent *e) override;
    void mouseMoveEvent(QMouseEvent *e) override;
    void mouseReleaseEvent(QMouseEvent *e) override;
    void contextMenuEvent(QContextMenuEvent *e) override;
 
private slots:
    void onProviderPointsChanged_(int firstIndex, int count);
    void onProviderPointsInserted_(int at, int count);
    void onProviderPointsRemoved_(int at, int count);
 
private:
    static QChart *buildChart_();
 
    void refreshSeriesFromProvider_();
 
    void refreshSelectionOverlay_();
 
    QPointF viewportToValue_(const QPoint &px) const;
 
    bool isEditingAllowed_() const;
 
    QPointer<openswmmvis::timeseries::TimeseriesProvider> m_provider;
    QUndoStack    *m_undoStack = nullptr;
 
    QLineSeries    *m_line             = nullptr;
    QScatterSeries *m_scatter          = nullptr;
    QScatterSeries *m_selectedScatter  = nullptr;
    openswmmvis::plot::UtcTimeAxis  *m_xAxis            = nullptr;
    QValueAxis     *m_yAxis            = nullptr;
    ChartAxisFormatController *m_axisFmt = nullptr;  
 
    EditMode m_editMode = EditMode::None;
    bool     m_snap     = false;
    int      m_snapSec  = 300;
 
    // ── Drag / selection state ──────────────────────────────────────────────
    bool         m_pointDragging   = false;        
    bool         m_rubberSelecting = false;        
    QPoint       m_pressPos;
    double       m_pressValueY     = 0.0;          
    QVector<int> m_dragIndices;                    
    QVector<double> m_dragInitialValues;           
 
    QVector<int> m_selection;                      
    QRubberBand *m_selectionBand = nullptr;        
};
 
} // namespace openswmmvis::ui
 
#endif // OPENSWMMVIS_UI_WIDGETS_TIMESERIESEDITCHARTVIEW_H