#ifndef MATTERELEMENTITEMDELEGATE_H
#define MATTERELEMENTITEMDELEGATE_H

#include <QStyledItemDelegate>
#include <QFormLayout>
#include <QDoubleSpinBox>

class InsideWidget : public QFrame
{
    Q_OBJECT
public:
    InsideWidget(QWidget *parent = nullptr) : QFrame(parent)
    {
        QFormLayout *layout = new QFormLayout;
        setStyleSheet("InsideWidget{background-color:gray} QLabel{color:white}");
        layout->setMargin(10);
        layout->setSpacing(2);
        for (int i = 0; i < 4; ++i) {
            auto s = new QDoubleSpinBox;
            //            s->setMaximumWidth(40);
            s->setFrame(false);
            s->setMinimum(-10000);
            s->setMaximum(10000);
            m_spins << s;
        }
        layout->addRow("[很差，交差]中间值：", m_spins.at(0));
        layout->addRow("[较差，一般]中间值：", m_spins.at(1));
        layout->addRow("[一般，较高]中间值：", m_spins.at(2));
        layout->addRow("[较高，很高]中间值：", m_spins.at(3));
        setLayout(layout);
    }
    virtual ~InsideWidget() { }

    QString result()
    {
        this->onConfirm();
        return m_result;
    }

    void setValue(const QString &value)
    {
        if (!value.isEmpty()) {
            QStringList tmp = value.mid(1, value.size() - 2).replace(" ", "").split(",");
            for (int i = 0; i < tmp.size(); ++i) {
                m_spins.at(i)->setValue(tmp[i].toDouble());
            }
        }
    }

private slots:
    void onConfirm()
    {
        m_result = QString("[%1, %2, %3, %4]")
                           .arg(m_spins.at(0)->value())
                           .arg(m_spins.at(1)->value())
                           .arg(m_spins.at(2)->value())
                           .arg(m_spins.at(3)->value());
    }

private:
    QList<QDoubleSpinBox *> m_spins;

    QString m_result;
};

class MatterElementItemSpinDelegate : public QStyledItemDelegate
{
    Q_OBJECT

public:
    MatterElementItemSpinDelegate(QObject *parent = 0);

    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, 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;

    void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option,
                              const QModelIndex &index) const override;
};

class MatterElementItemInsideDelegate : public QStyledItemDelegate
{
    Q_OBJECT

public:
    MatterElementItemInsideDelegate(QObject *parent = 0);

    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, 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;

    void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option,
                              const QModelIndex &index) const override;
};

#endif  // MATTERELEMENTITEMDELEGATE_H