public static bool loadFromFile(string filename)
{
string type = "";
string cmd, t;
int code = 0, ti;
contract tcontract = new cheese();
StreamReader fin;
try
{
fin = new StreamReader(filename);
}
catch
{
return false;
}
{
t = readBeforeSpace(fin);
while (fin.EndOfStream == false)
{
cmd = readBeforeSpace(fin);
if (fin.EndOfStream == true || cmd[0] == '[')
{
if (type == "cheese")
{
cheese tcheese = (cheese)tcontract;
db.Add(tcheese);
}
else if (type == "wheat")
{
wheat twheat = (wheat)tcontract;
db.Add(twheat);
}
type = "";
}
else
{
t = readBeforeSpace(fin);
if (t == "=")
{
if (cmd == "contract") code = 1;
else if (cmd == "name") code = 2;
else if (cmd == "provider") code = 3;
else if (cmd == "receiver") code = 4;
else if (cmd == "year") code = 5;
else if (cmd == "month") code = 6;
else if (cmd == "day") code = 7;
else if (cmd == "number") code = 8;
else if (cmd == "realnumber") code = 9;
else if (cmd == "money") code = 10;
else if (cmd == "type") code = 11;
else if (cmd == "fat") code = 12;
else if (cmd == "pack") code = 13;
else if (cmd == "grade") code = 14;
else if (cmd == "hardness") code = 15;
}
else
t = readBeforeSpace(fin);
switch (code)
{
case 1:
type = readBeforeSpace(fin);
if (type == "cheese")
{
tcontract = new cheese();
}
else if (type == "wheat")
{
tcontract = new wheat();
}
break;
case 2:
t = readBeforeSpace(fin);
tcontract.setName(reSpace(t, false));
break;
case 3:
t = readBeforeSpace(fin);
tcontract.setProvider(reSpace(t, false));
break;
case 4:
t = readBeforeSpace(fin);
tcontract.setReceiver(reSpace(t, false));
break;
case 5:
ti = Convert.ToInt32(readBeforeSpace(fin));
tcontract.setYear(ti);
break;
case 6:
ti = Convert.ToInt32(readBeforeSpace(fin));
tcontract.setMonth(ti);
break;
case 7:
ti = Convert.ToInt32(readBeforeSpace(fin));
tcontract.setDay(ti);
break;
case 8:
ti = Convert.ToInt32(readBeforeSpace(fin));
tcontract.setNumber(ti);
break;
case 9:
ti = Convert.ToInt32(readBeforeSpace(fin));
tcontract.setRealNumber(ti);
break;
case 10:
ti = Convert.ToInt32(readBeforeSpace(fin));
tcontract.setMoney(ti);
break;
case 11:
if (type == "cheese")
{
cheese tcheese = (cheese)tcontract;
ti = Convert.ToInt32(readBeforeSpace(fin));
tcheese.setType(ti);
}
break;
case 12:
if (type == "cheese")
{
cheese tcheese = (cheese)tcontract;
ti = Convert.ToInt32(readBeforeSpace(fin));
tcheese.setFat(ti);
}
break;
case 13:
if (type == "cheese")
{
cheese tcheese = (cheese)tcontract;
ti = Convert.ToInt32(readBeforeSpace(fin));
tcheese.setPack(ti);
}
break;
case 14:
if (type == "wheat")
{
wheat twheat = (wheat)tcontract;
ti = Convert.ToInt32(readBeforeSpace(fin));
twheat.setGrade(ti);
}
break;
case 15:
if (type == "wheat")
{
wheat twheat = (wheat)tcontract;
ti = Convert.ToInt32(readBeforeSpace(fin));
twheat.setHardness(ti);
}
break;
}
}
}
fin.Close();
return true;
}
}
public static void updateElem(int index, System.Windows.Forms.DataGridView tdataGridView)
{
contract tcontract = null;
if (string.Compare(tdataGridView.Rows[index].Cells["contract"].Value.ToString(), "Сыр") == 0)
{
tcontract = new cheese();
cheese tcheese = (cheese)tcontract;
if (tdataGridView.Rows[index].Cells["type"].Value.ToString() == "Алтайский")
tcheese.setType(1);
else if (tdataGridView.Rows[index].Cells["type"].Value.ToString() == "Радонежский")
tcheese.setType(2);
else if (tdataGridView.Rows[index].Cells["type"].Value.ToString() == "Голландский")
tcheese.setType(3);
if (tdataGridView.Rows[index].Cells["fat"].Value.ToString() == "30%")
tcheese.setFat(30);
else if (tdataGridView.Rows[index].Cells["fat"].Value.ToString() == "40%")
tcheese.setFat(40);
else if (tdataGridView.Rows[index].Cells["fat"].Value.ToString() == "50%")
tcheese.setFat(50);
if (tdataGridView.Rows[index].Cells["pack"].Value.ToString() == "Плёнка")
tcheese.setPack(1);
else if (tdataGridView.Rows[index].Cells["pack"].Value.ToString() == "Парафин")
tcheese.setPack(2);
}
else if (string.Compare(tdataGridView.Rows[index].Cells["contract"].Value.ToString(), "Пшеница") == 0)
{
tcontract = new wheat();
wheat twheat = (wheat)tcontract;
if (tdataGridView.Rows[index].Cells["grade"].Value.ToString() == "Нестд")
twheat.setGrade(0);
else if (tdataGridView.Rows[index].Cells["grade"].Value.ToString() == "3")
twheat.setGrade(3);
else if (tdataGridView.Rows[index].Cells["grade"].Value.ToString() == "4")
twheat.setGrade(4);
if (tdataGridView.Rows[index].Cells["hardness"].Value.ToString() == "Твёрдая")
twheat.setHardness(1);
else if (tdataGridView.Rows[index].Cells["hardness"].Value.ToString() == "Мягкая")
twheat.setHardness(2);
}
if (tdataGridView.Rows[index].Cells["name"].Value != null)
tcontract.setName(tdataGridView.Rows[index].Cells["name"].Value.ToString());
if (tdataGridView.Rows[index].Cells["provider"].Value != null)
tcontract.setProvider(tdataGridView.Rows[index].Cells["provider"].Value.ToString());
if (tdataGridView.Rows[index].Cells["receiver"].Value != null)
tcontract.setReceiver(tdataGridView.Rows[index].Cells["receiver"].Value.ToString());
char []tmp = {'-', '.', '/', '\\'};
string []date = tdataGridView.Rows[index].Cells["date"].Value.ToString().Split(tmp,3);
if (date.Length == 3)
{
if (checkStr(date[0])) tcontract.setYear(Convert.ToInt32(date[0]));
if (checkStr(date[1])) tcontract.setMonth(Convert.ToInt32(date[1]));
if (checkStr(date[2])) tcontract.setDay(Convert.ToInt32(date[2]));
}
if (checkStr(tdataGridView.Rows[index].Cells["number"].Value.ToString()))
tcontract.setNumber(Convert.ToInt32(tdataGridView.Rows[index].Cells["number"].Value.ToString()));
if (checkStr(tdataGridView.Rows[index].Cells["realnumber"].Value.ToString()))
tcontract.setRealNumber(Convert.ToInt32(tdataGridView.Rows[index].Cells["realnumber"].Value.ToString()));
if (checkStr(tdataGridView.Rows[index].Cells["money"].Value.ToString()))
tcontract.setMoney(Convert.ToInt32(tdataGridView.Rows[index].Cells["money"].Value.ToString()));
db[index] = tcontract;
}
public static void generate()
{
Random rnd = new Random();
contract tcontract;
cheese t1;
wheat t2;
//string tstr = "";
int t;
if (rnd.Next(2)==0)
{
tcontract = new cheese();
t1 = (cheese)tcontract;
t1.setType(rnd.Next(3)+1);
t1.setFat(10*(rnd.Next(3)+3));
t1.setPack(rnd.Next(2)+1);
}
else
{
tcontract = new wheat();
t2 = (wheat)tcontract;
t = rnd.Next(3);
if (t==0)
t2.setGrade(t);
else
t2.setGrade(t+2);
t2.setHardness(rnd.Next(2)+1);
}
tcontract.setNumber(rnd.Next(100));
t=rnd.Next(2);
if (t==0)
tcontract.setRealNumber(tcontract.getNumber());
else
tcontract.setRealNumber((int)(tcontract.getNumber() * (0.5 + rnd.NextDouble())));
if (db.Count != 0)
{
tcontract.setDay(db[db.Count-1].getDay());
if (db[db.Count-1].getMonth()<12)
{
tcontract.setMonth(db[db.Count-1].getMonth()+1);
tcontract.setYear(db[db.Count-1].getYear());
}
else
{
tcontract.setMonth(1);
tcontract.setYear(db[db.Count-1].getYear()+1);
}
}
else
{
tcontract.setYear(2008);
tcontract.setMonth(1);
tcontract.setDay(12);
}
tcontract.setMoney(rnd.Next(10000));
tcontract.setName(rndstr(rnd));
tcontract.setProvider(rndstr(rnd));
tcontract.setReceiver(rndstr(rnd));
db.Add(tcontract);
}
public static void addElem(System.Windows.Forms.DataGridView tdataGridView)
{
contract tcontract = new cheese();
db.Add(tcontract);
showElem(tdataGridView.Rows.Count - 2, false, tdataGridView);
}