#include "gtl_gui_spec_meas_delegate.h"
#include "gui/gtl_gui_spec_meas_model.h"

namespace gtl {
    namespace gui {


        spec_meas_delegate::spec_meas_delegate(QObject *parent, QAbstractItemModel *channels) :
            QStyledItemDelegate(parent),
            _channels(channels)
    {
    }

    QWidget *spec_meas_delegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const
    {
        Q_UNUSED(option)
        Q_UNUSED(index)

        int col = index.column();

        if(col == spec_meas_model::CHAN)
        {
            spec_meas_chan_widget *editor = new spec_meas_chan_widget(parent, _channels);
            connect(editor, &spec_meas_chan_widget::chan_changed , [=]{setModelData(editor, const_cast<QAbstractItemModel *>(index.model()), index);});
            return editor;
        }
        else if(col == spec_meas_model::PARAM)
        {
            spec_meas_param_widget *editor = new spec_meas_param_widget(parent);
            connect(editor, &spec_meas_param_widget::param_changed , [=]{setModelData(editor, const_cast<QAbstractItemModel *>(index.model()), index);});
            return editor;
        }

        return 0;
    }

    void spec_meas_delegate::setEditorData(QWidget *editor, const QModelIndex &index) const
    {
        int col = index.column();

        if(col == spec_meas_model::CHAN)
        {
            spec_meas_chan_widget *widget = static_cast<spec_meas_chan_widget*>(editor);
            widget->blockSignals(true);
            widget->setCurrentIndex(index.data(spec_meas_model::CustomRoles::IdxRole).toInt());
            widget->blockSignals(false);
        }
        else if(col == spec_meas_model::PARAM)
        {
            spec_meas_param_widget *widget = static_cast<spec_meas_param_widget*>(editor);
            widget->blockSignals(true);

            widget->setCurrentIndex(index.data(Qt::DisplayRole).toInt());

            widget->blockSignals(false);
        }
    }

    void spec_meas_delegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
    {
        int col = index.column();

        editor->blockSignals(true);
        if(col == spec_meas_model::CHAN)
        {
            spec_meas_chan_widget *widget = static_cast<spec_meas_chan_widget *>(editor);
            model->setData(index, widget->currentIdx(), spec_meas_model::CustomRoles::IdxRole);
            model->setData(index, widget->currentText(), Qt::EditRole);  
        }
        else if(col == spec_meas_model::PARAM)
        {
            spec_meas_param_widget *widget = static_cast<spec_meas_param_widget *>(editor);
            model->setData(index, widget->currentIndex(), Qt::EditRole);         
        }
        editor->blockSignals(false);
    }

    void spec_meas_delegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
    {
        Q_UNUSED(index)
        editor->setGeometry(option.rect);
    }

    void spec_meas_delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
    {
        Q_UNUSED(painter)
        Q_UNUSED(option)
        Q_UNUSED(index)
    }

    QSize spec_meas_delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
    {
        QSize s =  index.data(Qt::SizeHintRole).toSize();
        return s.isValid() ? s: QStyledItemDelegate::sizeHint(option, index);
    }


    } // namespace gui
} // namespace gtl