#ifndef GENERICICONDELEGATE_H
#define GENERICICONDELEGATE_H

#include "icondelegate.h"

/**
 * @brief an icon delegate that takes the list of icons from a user-defines data role
 */
class GenericIconDelegate : public IconDelegate {
    Q_OBJECT
public:
    /**
     * @brief constructor
     * @param parent parent object
     * @param role role of the itemmodel from which the icon list can be queried (as a QVariantList)
     * @param logicalIndex logical index within the model. This is part of a "hack". Normally "empty" icons will be
     * allocated the same space as a regular icon. This way the model can use empty icons as spacers and thus align same
     * icons horizontally. Now, if you set the logical Index to a valid column and connect the
     * columnResized slot to the sectionResized signal of the view, the delegate will turn off this
     * behaviour if the column is smaller than "compactSize"
     * @param compactSize see explanation of logicalIndex
     */
    GenericIconDelegate(QObject* parent = nullptr, int role = Qt::UserRole + 1, int logicalIndex = -1,
                        int compactSize = 150);
public slots:
    void columnResized(int logicalIndex, int oldSize, int newSize);

private:
    virtual QList<QString> getIcons(const QModelIndex& index) const;
    virtual size_t getNumIcons(const QModelIndex& index) const;

private:
    int m_Role;
    int m_LogicalIndex;
    int m_CompactSize;
    bool m_Compact;
};

#endif // GENERICICONDELEGATE_H