#include "delegate.h"

propertyItemDelegate::propertyItemDelegate(QObject *parent): QItemDelegate(parent)
{
    m_testList << "Sunday" << "Monday" << "tuesday" << "wednesday" << "friday" << "satday";
}

QWidget *propertyItemDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem& option, const QModelIndex & index ) const
{
      QWidget* l_editor = new checkStateComboBox();
      l_editor->setParent(parent);

       return l_editor;
}

void propertyItemDelegate::setEditorData(QWidget *f_widget, const QModelIndex &index) const
{
        QStringList l_itemsData = m_testList; //get the list you want to show;
        QStringList l_modelData = index.model()->data(index, Qt::DisplayRole).toString().split(";"); //existing data, I am showing only checked items data in editor


       //this logic is to check items which are previously checked based on data I am showing in editor
       //I get the data which I am showing in editor & I know those are the only items I checked
        checkStateComboBox* l_multiValuedWidget = static_cast<checkStateComboBox*>(f_widget);
        foreach(QString l_itemData, l_itemsData)
        {
             bool l_checkState = l_modelData.contains(l_itemData);
             Qt::CheckState l_state = l_checkState ? Qt::Checked : Qt::Unchecked;
             l_multiValuedWidget->addItem(l_itemData, l_state);
        }
}

void propertyItemDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
    QString l_data = QString::null;

      checkStateComboBox* l_multiValuedWidget = static_cast<checkStateComboBox*>(editor);
         int size = l_multiValuedWidget->getItems().count();

         for(int i=0; i < size; i++)
         {
            const QStandardItem* l_item = l_multiValuedWidget->getItem(i);
            //data of checked items only
            if(l_item && (Qt::Checked == l_item->checkState()))
            {
                QString l_itemData  = l_item->data(Qt::DisplayRole).toString();
                ((size-1) == i)  ?  (l_data = l_data + l_itemData)  : (l_data = l_data + l_itemData + ";");
            }
         }

      model->setData(index, l_data, Qt::EditRole);
}

void propertyItemDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex & /*index*/ ) const
{
     QRect  l_rect = option.rect;
     l_rect.adjust(0,0,0,l_rect.height()*0.3);
     editor->setGeometry(l_rect);
}