attributedelegates.h

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#ifndef ATTRIBUTEDELEGATES_H
#define ATTRIBUTEDELEGATES_H
 
#include <QStyledItemDelegate>
#include <QVariant>
#include <QVariantList>
#include <limits>
 
namespace openswmmvis {
 
class NumericDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    explicit NumericDelegate(QObject *parent = nullptr,
                              double minimum = -std::numeric_limits<double>::infinity(),
                              double maximum =  std::numeric_limits<double>::infinity(),
                              int    decimals = 4);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
 
private:
    double m_min;
    double m_max;
    int    m_decimals;
};
 
class IntegerDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    explicit IntegerDelegate(QObject *parent = nullptr,
                              int minimum = std::numeric_limits<int>::min(),
                              int maximum = std::numeric_limits<int>::max());
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
 
private:
    int m_min;
    int m_max;
};
 
class CompoundEditDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    explicit CompoundEditDelegate(QObject *parent = nullptr);
 
    QString displayText(const QVariant &value,
                        const QLocale &locale) const override;
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
};
 
class EnumDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    EnumDelegate(QObject *parent, QVariantList values);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
 
    static QVariantList makePairs(const QStringList &labels,
                                   const QVariantList &data);
 
private:
    QVariantList m_values;
};
 
class IntervalDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    explicit IntervalDelegate(QObject *parent = nullptr);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
};
 
class FileBrowseDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    FileBrowseDelegate(QObject *parent, QString nameFilter);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
 
private:
    QString m_nameFilter;
};
 
class FileColumnDelegate : public QStyledItemDelegate
{
    Q_OBJECT
public:
    FileColumnDelegate(QObject *parent, int optionsRole);
 
    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &opt,
                          const QModelIndex &index) const override;
    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
    void setModelData(QWidget *editor, QAbstractItemModel *model,
                      const QModelIndex &index) const override;
 
private:
    int m_optionsRole;
};
 
} // namespace openswmmvis
 
#endif // ATTRIBUTEDELEGATES_H