importmappingmodel.h

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#ifndef OPENSWMMVIS_UI_DIALOGS_IMPORT_IMPORTMAPPINGMODEL_H
#define OPENSWMMVIS_UI_DIALOGS_IMPORT_IMPORTMAPPINGMODEL_H
 
#include "ui/dialogs/import/importmapping.h"
 
#include <QAbstractTableModel>
#include <QStringList>
#include <QStyledItemDelegate>
 
namespace openswmmvis::import {
 
class ImportMappingModel : public QAbstractTableModel
{
    Q_OBJECT
 
public:
    enum Column { TargetCol = 0, SourceCol = 1, DefaultCol = 2, ColCount = 3 };
 
    explicit ImportMappingModel(QObject *parent = nullptr);
 
    void reset(TargetKind kind, const QStringList &sourceFields);
 
    void applyBindings(const QVector<AttributeBinding> &bindings,
                       QStringList *droppedOut = nullptr);
 
    int autoMatch();
 
    [[nodiscard]] const ImportMapping &mapping() const { return m_mapping; }
    [[nodiscard]] ImportMapping &mappingRef() { return m_mapping; }
 
    [[nodiscard]] QStringList sourceFields() const { return m_sourceFields; }
    [[nodiscard]] const QVector<TargetAttribute> &attributes() const
    { return m_attributes; }
 
    [[nodiscard]] QString validationError() const;
 
    // QAbstractTableModel ---------------------------------------------
    [[nodiscard]] int rowCount(const QModelIndex &parent = {}) const override;
    [[nodiscard]] int columnCount(const QModelIndex &parent = {}) const override;
    [[nodiscard]] QVariant data(const QModelIndex &idx, int role) const override;
    [[nodiscard]] QVariant headerData(int section, Qt::Orientation o,
                                      int role) const override;
    [[nodiscard]] Qt::ItemFlags flags(const QModelIndex &idx) const override;
    bool setData(const QModelIndex &idx, const QVariant &value,
                 int role) override;
 
signals:
    void mappingEdited();
 
private:
    ImportMapping            m_mapping;
    QVector<TargetAttribute> m_attributes;
    QStringList              m_sourceFields;
};
 
class SourceFieldDelegate : public QStyledItemDelegate
{
    Q_OBJECT
 
public:
    explicit SourceFieldDelegate(ImportMappingModel *model,
                                 QObject *parent = nullptr);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &idx) const override;
    void setEditorData(QWidget *editor, const QModelIndex &idx) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &idx) const override;
 
private:
    ImportMappingModel *m_model = nullptr;
};
 
} // namespace openswmmvis::import
 
#endif // OPENSWMMVIS_UI_DIALOGS_IMPORT_IMPORTMAPPINGMODEL_H