//---------------------------------------------------------------------------
void GUI_Main_Core_Table::contextMenuEvent (QContextMenuEvent* Event)
{
    //Retrieving data
    QTableWidgetItem* Item=itemAt(Event->pos());
    if (Item==NULL)
        return;
    string FileName=FileName_Before+item(Item->row(), 0)->text().toLocal8Bit().data();
    string Field=horizontalHeaderItem(Item->column())->text().toLocal8Bit().data();
    ZtringList History; History.Write(C->History(FileName, Field));
    Ztring Date;
    if (Field=="OriginationDate" || Field=="OriginationTime" || Field=="ICRD")
    {
        Date=C->FileDate_Get(FileName);
        if (Date.size()>=10+1+8)
        {
            if (Date.size()>=10+1+8)
                Date.resize(10+1+8);
            if (Field=="ICRD")
                Date.insert(0, "&Set ICRD to file creation timestamp ("); //If you change this, change at the end of method too
            else
                Date.insert(0, "&Set originationDate and Time to file creation timestamp ("); //If you change this, change at the end of method too
            Date.append(")");
        }
        else
            Date.clear();
    }

    //Creating menu
    QMenu menu(this);

    //Handling AllFiles display
    {
        menu.addAction(new QAction("Fill all open files with this field value", this)); //If you change this, change the test text too
        menu.addSeparator();
    }

    //Handling Clear display
    if (!item(Item->row(), Item->column())->text().isEmpty() && C->IsValid(FileName, Field, string()))
    {
        menu.addAction(new QAction("Clear this value", this)); //If you change this, change the test text too
        menu.addSeparator();
    }

    //Handling date display
    if (!Date.empty())
    {
        menu.addAction(new QAction(QString().fromUtf8(Date.To_Local().c_str()), this));
        menu.addSeparator();
    }

    //Handling history display
    size_t Pos=History.size();
    if (!History.empty())
        do
        {
            Pos--;

            QString Text=QString().fromUtf8(History[Pos].To_Local().c_str());
            if (!Text.isEmpty())
            {
                QAction* Action=new QAction(Text, this);
                menu.addAction(Action);
            }
        }
        while (Pos>0);
    
    //Displaying
    QAction* Action=menu.exec(Event->globalPos());
    if (Action==NULL)
        return;

    //Retrieving data
    QString Text=Action->text();


    //Special cases
    if (Text=="Fill all open files with this field value") //If you change this, change the creation text too
    {
        for (int Row=0; Row<rowCount(); Row++)
        {
            item(Row, Item->column())->setText(QString().fromUtf8(Ztring(C->Get(FileName, Field)).To_Local().c_str()));
            dataChanged(indexFromItem(item(Row, Item->column())), indexFromItem(item(Row, Item->column())));

            //Special cases
            if (Field=="UMID" || Field=="LoudnessValue" || Field=="LoudnessRange" || Field=="MaxTruePeakLevel" || Field=="MaxMomentaryLoudness" || Field=="MaxShortTermLoudness")
            {
                //Changing BextVersion Enabled value
                SetText   (*Item, "BextVersion");
                SetEnabled(*Item, "BextVersion");
            }
        }
        return;
    }
    if (Text=="Clear this value") //If you change this, change the creation text too
        Text.clear();

    //Filling
    if (Text.contains("&Set ")) //If you change this, change the creation text too
    {
        Text=Text.remove("&Set ICRD to file creation timestamp ("); //If you change this, change the creation text too
        Text=Text.remove("&Set originationDate and Time to file creation timestamp ("); //If you change this, change the creation text too
        Text=Text.remove(")"); //If you change this, change the creation text too
        if (horizontalHeaderItem(Item->column())->text()==QString().fromUtf8("ICRD"))
        {
            item(Item->row(), Item->column())->setText(Text);
            dataChanged(indexFromItem(item(Item->row(), Item->column())), indexFromItem(item(Item->row(), Item->column())));
        }
        else
        {
            QString Date=Text;
            Date.remove(10, 1+12);
            QString Time=Text;
            Time.remove(0, 10+1);
            Time.remove(8, 4);
            int Date_Pos=Item->column()+(horizontalHeaderItem(Item->column())->text()==QString().fromUtf8("OriginationDate")?0:-1);
            int Time_Pos=Item->column()+(horizontalHeaderItem(Item->column())->text()==QString().fromUtf8("OriginationTime")?0:1);
            item(Item->row(), Date_Pos)->setText(Date);
            dataChanged(indexFromItem(item(Item->row(), Date_Pos)), indexFromItem(item(Item->row(), Date_Pos)));
            item(Item->row(), Time_Pos)->setText(Time);
            dataChanged(indexFromItem(item(Item->row(), Time_Pos)), indexFromItem(item(Item->row(), Time_Pos)));
        }
    }
    else
    {
        item(Item->row(), Item->column())->setText(Text);
        dataChanged(indexFromItem(item(Item->row(), Item->column())), indexFromItem(item(Item->row(), Item->column())));
    }

    //Menu
    Main->Menu_Update();
}