maptoolfeatureedit.h

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#ifndef MAPTOOLFEATUREEDIT_H
#define MAPTOOLFEATUREEDIT_H
 
#include "map/tools/maptoolfeaturedraw.h"
#include "feature/featuregeometry.h"
#include "feature/featuretypes.h"
 
#include <QPointF>
#include <QPointer>
 
class FeatureLayer;
 
struct FeatureVertexRef
{
    int part   = -1;
    int ring   = -1;
    int vertex = -1;
 
    [[nodiscard]] bool isValid() const { return part >= 0 && vertex >= 0; }
    void clear() { part = -1; ring = -1; vertex = -1; }
    [[nodiscard]] bool operator==(const FeatureVertexRef &o) const
    { return part == o.part && ring == o.ring && vertex == o.vertex; }
};
 
class OpenSWMMVisMapToolAddHole : public OpenSWMMVisMapToolFeatureDrawBase
{
    Q_OBJECT
public:
    explicit OpenSWMMVisMapToolAddHole(MapCanvas *canvas, QObject *parent = nullptr);
 
protected:
    [[nodiscard]] int  minimumVertices() const override { return 3; }
    [[nodiscard]] bool isClosed() const override { return true; }
    [[nodiscard]] openswmmvis::feature::FeatureGeometry
        buildGeometry(const openswmmvis::feature::Ring &ring) const override;
 
private:
    [[nodiscard]] openswmmvis::feature::FeatureId selectedFeature() const;
};
 
class OpenSWMMVisMapToolAddPart : public OpenSWMMVisMapToolFeatureDrawBase
{
    Q_OBJECT
public:
    explicit OpenSWMMVisMapToolAddPart(MapCanvas *canvas, QObject *parent = nullptr);
 
protected:
    [[nodiscard]] int  minimumVertices() const override;
    [[nodiscard]] bool isClosed() const override;
    [[nodiscard]] openswmmvis::feature::FeatureGeometry
        buildGeometry(const openswmmvis::feature::Ring &ring) const override;
 
private:
    [[nodiscard]] openswmmvis::feature::FeatureId selectedFeature() const;
};
 
class OpenSWMMVisMapToolEditFeatureVertex : public OpenSWMMVisMapTool
{
    Q_OBJECT
public:
    explicit OpenSWMMVisMapToolEditFeatureVertex(MapCanvas *canvas,
                                                 QObject *parent = nullptr);
 
    void setTargetLayer(FeatureLayer *layer);
    [[nodiscard]] FeatureLayer *targetLayer() const { return m_target.data(); }
 
    [[nodiscard]] QCursor cursor() const override;
    void activate() override;
    void deactivate() override;
 
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    void keyPressEvent(QKeyEvent *event) override;
    void paint(QPainter *painter, const MapExtent &canvasExtent,
               const SpatialReferenceSystem *canvasSRS) override;
 
signals:
    void editRejected(const QString &reason);
 
private:
    void reloadSelection();
    [[nodiscard]] FeatureVertexRef handleAt(const QPoint &pos, int tolPx = 7) const;
    [[nodiscard]] FeatureVertexRef segmentAt(const QPoint &pos, int tolPx = 6) const;
    [[nodiscard]] openswmmvis::feature::Ring *ringFor(const FeatureVertexRef &ref);
    [[nodiscard]] const openswmmvis::feature::Ring *
        ringFor(const FeatureVertexRef &ref) const;
    void pushEdit(const QString &text, bool mergeable);
 
    QPointer<FeatureLayer>                 m_target;
    openswmmvis::feature::FeatureId        m_featureId;
    openswmmvis::feature::FeatureGeometry  m_geom;    
    openswmmvis::feature::FeatureGeometry  m_before;  
    FeatureVertexRef                       m_hover;
    FeatureVertexRef                       m_dragging;
    bool                                   m_dragged = false;
};
 
class OpenSWMMVisMapToolMoveFeature : public OpenSWMMVisMapTool
{
    Q_OBJECT
public:
    explicit OpenSWMMVisMapToolMoveFeature(MapCanvas *canvas, QObject *parent = nullptr);
 
    void setTargetLayer(FeatureLayer *layer);
 
    [[nodiscard]] QCursor cursor() const override;
    void deactivate() override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    void keyPressEvent(QKeyEvent *event) override;
 
private:
    QPointer<FeatureLayer>                m_target;
    openswmmvis::feature::FeatureId       m_featureId;
    openswmmvis::feature::FeatureGeometry m_before;
    QPointF                               m_anchor;
    bool                                  m_moving = false;
};
 
#endif // MAPTOOLFEATUREEDIT_H