private void ReadStudents(byte[] buffer)
{
int index = 0;
int studentsLen = IPAddress.NetworkToHostOrder(GetIntFromMessage(buffer, index));
index += sizeof(int);
if (File.Exists(students_xml))
{
File.Delete(students_xml);
}
FileStream fs = File.Create(students_xml);
fs.Write(buffer, index, studentsLen);
fs.Close();
XMLFileManager.SaveMemberId(students_xml, memberID);
students = XMLFileManager.GetStudentList(students_xml);
parentForm.Invoke(new FillStudentResultsEventHandler(parentForm.FillStudentResults), new Object[] { students });
if (studentID != -1)
{
Student.StudentUpdate stUpd = new Student.StudentUpdate();
stUpd.student = Student.GetStudentById(students, studentID);
parentForm.Invoke(new UpdateStudentEventHandler(parentForm.UpdateStudentInfo), new Object[] { stUpd.student });
}
}
private void btnChange_Click(object sender, EventArgs e)
{
if (btnChange.Text == "Изменить")
{
txtIP.Enabled = true;
txtPort.Enabled = true;
txtUserName.Enabled = true;
btnChange.Text = "Сохранить";
}
else
{
string ip, userName;
int port;
ip = txtIP.Text;
port = Convert.ToInt32(txtPort.Text);
userName = txtUserName.Text;
XMLFileManager.SaveConfig(config_xml, ip, port, userName);
txtIP.Enabled = false;
txtPort.Enabled = false;
txtUserName.Enabled = false;
btnChange.Text = "Изменить";
}
}
public void SaveStudent(Student st)
{
st.Mark1 = Convert.ToInt32(nudMark1.Value);
st.Mark2 = Convert.ToInt32(nudMark2.Value);
st.Mark3 = Convert.ToInt32(nudMark3.Value);
st.ResultMark = Convert.ToInt32(nudResultMark.Value);
XMLFileManager.SaveStudent(st, students_xml);
}
private void ReadExamInfo(byte[] buffer)
{
int index = 0;
examID = GetIntFromMessage(buffer, index);
index += sizeof(int);
memberID = GetIntFromMessage(buffer, index);
index += sizeof(int);
studentCount = GetIntFromMessage(buffer, index);
bool needStudents = false;
if (File.Exists(students_xml))
{
ExamInfo examInfo = XMLFileManager.GetExamInfo(students_xml);
if (examInfo.examId != examID || examInfo.studentCount != studentCount)
{
needStudents = true;
}
}
else
{
needStudents = true;
}
if (needStudents)
{
List <byte> message = new List <byte>();
message.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(AssistantProtocol.OpcodeNeedStudents)));
message.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(0)));
byte[] msg = message.ToArray();
SendMessage(msg);
}
else
{
XMLFileManager.SaveMemberId(students_xml, memberID);
students = XMLFileManager.GetStudentList(students_xml);
}
if (!File.Exists(cards_xml))
{
List <byte> message = new List <byte>();
message.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(AssistantProtocol.OpcodeNeedCards)));
message.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(0)));
byte[] msg = message.ToArray();
SendMessage(msg);
}
else
{
cards = XMLFileManager.GetCardList(cards_xml);
}
}
private void ReadExamInfo(byte[] buffer)
{
int index = 0;
examID = GetIntFromMessage(buffer, index);
index += sizeof(int);
memberID = GetIntFromMessage(buffer, index);
index += sizeof(int);
studentCount = GetIntFromMessage(buffer, index);
index += sizeof(int);
studentID = GetIntFromMessage(buffer, index);
bool needStudents = false;
if (File.Exists(students_xml))
{
ExamInfo examInfo = XMLFileManager.GetExamInfo(students_xml);
if (examInfo.examId != examID || examInfo.studentCount != studentCount)
{
needStudents = true;
}
}
else
{
needStudents = true;
}
if (needStudents)
{
List <byte> message = new List <byte>();
message.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(AssistantProtocol.OpcodeNeedStudents)));
message.AddRange(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(0)));
byte[] msg = message.ToArray();
SendMessage(msg);
}
else
{
XMLFileManager.SaveMemberId(students_xml, memberID);
students = XMLFileManager.GetStudentList(students_xml);
parentForm.Invoke(new FillStudentResultsEventHandler(parentForm.FillStudentResults), new Object[] { students });
if (studentID != -1)
{
Student.StudentUpdate stUpd = new Student.StudentUpdate();
stUpd.student = Student.GetStudentById(students, studentID);
parentForm.Invoke(new UpdateStudentEventHandler(parentForm.UpdateStudentInfo), new Object[] { stUpd.student });
}
}
}
private void ReadCards(byte[] buffer)
{
int index = 0;
int cardsLen = IPAddress.NetworkToHostOrder(GetIntFromMessage(buffer, index));
index += sizeof(int);
if (File.Exists(cards_xml))
{
File.Delete(cards_xml);
}
FileStream fs = File.Create(cards_xml);
fs.Write(buffer, index, cardsLen);
fs.Close();
cards = XMLFileManager.GetCardList(cards_xml);
}
private void Form1_Load(object sender, EventArgs e)
{
if (File.Exists(config_xml))
{
string ip, userName;
int port;
XMLFileManager.LoadConfig(config_xml, out ip, out port, out userName);
if (ip != null && port != 0 && userName != null)
{
txtIP.Text = ip;
txtPort.Text = port.ToString();
txtUserName.Text = userName;
}
else
{
ip = "127.0.0.1";
port = 2500;
userName = "******";
txtIP.Text = ip;
txtPort.Text = port.ToString();
txtUserName.Text = userName;
XMLFileManager.SaveConfig(config_xml, ip, port, userName);
}
}
else
{
string ip, userName;
int port;
ip = "127.0.0.1";
port = 2500;
userName = "******";
txtIP.Text = ip;
txtPort.Text = port.ToString();
txtUserName.Text = userName;
XMLFileManager.SaveConfig(config_xml, ip, port, userName);
}
}
private void ReadStudents(byte[] buffer)
{
int index = 0;
int studentsLen = IPAddress.NetworkToHostOrder(GetIntFromMessage(buffer, index));
index += sizeof(int);
if (File.Exists(students_xml))
{
File.Delete(students_xml);
}
FileStream fs = File.Create(students_xml);
fs.Write(buffer, index, studentsLen);
fs.Close();
XMLFileManager.SaveMemberId(students_xml, memberID);
students = XMLFileManager.GetStudentList(students_xml);
}
public void SaveStudent(Student st)
{
int index = -1;
foreach (ListViewItem item in lvResults.Items)
{
if (item.Text == st.FIO &&
item.SubItems[1].Text == st.Mark1.ToString() &&
item.SubItems[2].Text == st.Mark2.ToString() &&
item.SubItems[3].Text == st.Mark3.ToString() &&
item.SubItems[4].Text == st.Mark4.ToString() &&
item.SubItems[5].Text == st.Mark5.ToString() &&
item.SubItems[6].Text == st.Mark6.ToString())
{
index = item.Index;
break;
}
}
st.Mark1 = Convert.ToInt32(nudMark1.Value);
st.Mark2 = Convert.ToInt32(nudMark2.Value);
st.Mark3 = Convert.ToInt32(nudMark3.Value);
st.Mark4 = Convert.ToInt32(nudMark4.Value);
st.Mark5 = Convert.ToInt32(nudMark5.Value);
st.Mark6 = Convert.ToInt32(nudMark6.Value);
XMLFileManager.SaveStudent(st, students_xml);
if (index != -1)
{
ListViewItem item = lvResults.Items[index];
item.SubItems[1].Text = st.Mark1.ToString();
item.SubItems[2].Text = st.Mark2.ToString();
item.SubItems[3].Text = st.Mark3.ToString();
item.SubItems[4].Text = st.Mark4.ToString();
item.SubItems[5].Text = st.Mark5.ToString();
item.SubItems[6].Text = st.Mark6.ToString();
int mark1 = st.Mark1;
int mark2 = st.Mark2;
int mark3 = st.Mark3;
int mark4 = st.Mark4;
int mark5 = st.Mark5;
int mark6 = st.Mark6;
int count = 6;
if (mark1 == 0)
{
count--;
}
if (mark2 == 0)
{
count--;
}
if (mark3 == 0)
{
count--;
}
if (mark4 == 0)
{
count--;
}
if (mark5 == 0)
{
count--;
}
if (mark6 == 0)
{
count--;
}
float middle = 0;
if (count != 0)
{
middle = (float)(mark1 + mark2 + mark3 + mark4 + mark5 + mark6) / (float)count;
}
item.SubItems[7].Text = middle.ToString("0.#");
}
}
