tabulardatalayer.h

Go to the documentation of this file.

 
#ifndef TABULARDATALAYER_H
#define TABULARDATALAYER_H
 
#include "layers/openswmmvislayer.h"
 
#include <QString>
#include <QStringList>
#include <QVariantMap>
#include <QVector>
 
class TabularDataLayer : public OpenSWMMVisLayer
{
    Q_OBJECT
public:
    explicit TabularDataLayer(const QString &name = "Untitled Table",
                                OpenSWMMVisWorkspace *parent = nullptr);
    ~TabularDataLayer() override;
 
    [[nodiscard]] QString sourcePath() const;
 
    [[nodiscard]] QString sourceDescription() const override
    { const QString p = sourcePath(); return p.isEmpty() ? tr("(in-memory)") : p; }
 
    [[nodiscard]] QStringList columnHeaders() const { return m_headers; }
 
    [[nodiscard]] QVector<QVariantMap> rows() const { return m_rows; }
 
    [[nodiscard]] int rowCount() const { return m_rows.size(); }
 
    [[nodiscard]] QVariantMap row(int idx) const;
 
    // ----- Loaders --------------------------------------------------------
 
    bool loadDelimited(const QString &path, QChar delimiter,
                       QString *errorOut = nullptr);
 
    bool loadFromFile(const QString &path, QString *errorOut = nullptr);
 
    // ----- OpenSWMMVisLayer overrides -------------------------------------
 
    void render(QPainter *painter,
                const MapExtent &extent,
                const QSize &imageSize,
                const SpatialReferenceSystem *srs) override
    {
        Q_UNUSED(painter); Q_UNUSED(extent);
        Q_UNUSED(imageSize); Q_UNUSED(srs);
    }
 
    void populateScene(QGraphicsScene *scene,
                       const MapExtent &canvasExtent,
                       const SpatialReferenceSystem *canvasSRS) override
    {
        Q_UNUSED(scene); Q_UNUSED(canvasExtent); Q_UNUSED(canvasSRS);
    }
 
signals:
    void dataLoaded();
 
private:
    QString             m_sourcePath;
    QStringList         m_headers;
    QVector<QVariantMap> m_rows;
};
 
#endif // TABULARDATALAYER_H