public bool GetInfoFromFile(string ext, ref CStudents cs)
{
bool res = true;
if (cs == null)
{
cs = new CStudents();
}
else
{
cs.Collection.Clear();
}
ext = ext.Trim();
ext = ext.ToLower();
switch (ext)
{
case ".bin":
WorkWithBinary work = new WorkWithBinary();
res = work.GetAllFromFile(ref cs);
break;
case ".xml":
WorkWithXml xml = new WorkWithXml();
res = xml.GetAllFromFile(ref cs);
break;
case ".txt":
WorkWithText text = new WorkWithText();
res = text.GetAllFromFile(ref cs);
break;
}
return(res);
}
public bool PutInfoToFile(CStudents cs, string ext, bool Save)
{
cs.CleanList();
if (!cs.IsAllCorrect())
{
MessageBox.Show("You did not filled all fields", "Uncorrect data", MessageBoxButtons.OK, MessageBoxIcon.Hand);
Save = true;
return(false);
}
else
{
ext = ext.Trim();
ext = ext.ToLower();
switch (ext)
{
case ".bin":
WorkWithBinary work = new WorkWithBinary();
work.PutAllToFile(cs);
break;
case ".xml":
WorkWithXml xml = new WorkWithXml();
xml.PutAllToFile(cs);
break;
case ".txt":
default:
WorkWithText text = new WorkWithText();
text.PutAllToFile(cs);
break;
}
Save = false;
return(true);
}
}
public void PutAllToFile(CStudents c)
{
using (FileStream fs = new FileStream(FileName, FileMode.Create))
{
serializer.Serialize(fs, c);
}
}
public Form1()
{
InitializeComponent();
students = new CStudents();
visualization = new CVisualization(students.Collection, new Point(40, 40));
work = new WorkWithFile();
}
private void makeTheTaskToolStripMenuItem_Click(object sender, EventArgs e)
{
if (IsOpened)
{
byte c = 0;
bool ok = true;
do
{
string course = Interaction.InputBox("Input The course");
ok = (course == "" || byte.TryParse(course, out c));
if (!ok)
{
c = 0;
}
} while (!ok);
if (c != 0)
{
CStudents res = students.MainTAsk(c);
Form ResForm = new Form();
ResForm.Width = 830;
ResForm.Height = 600;
ResForm.MaximumSize = ResForm.MinimumSize = new Size(830, 600);
CVisualization resV = new CVisualization(res.Collection, new Point(40, 40));
resV.Display(false);
resV.MakeUnAviable();
resV.DisplayOnForm(ResForm);
ResForm.Show();
}
}
else
{
MessageBox.Show("You did not chose a file");
}
}
public void PutAllToFile(CStudents c)
{
formatter = new BinaryFormatter();
using (FileStream file = new FileStream(FileName, FileMode.OpenOrCreate))
{
formatter.Serialize(file, c);
}
}
public void PutAllToFile(CStudents cs)
{
string[] buff;
using (StreamWriter file = new StreamWriter(FileName, false))
{
for (int i = 0; i < cs.Collection.Count; i++)
{
buff = (cs.Collection.ElementAt(i)).ToStrArr();
for (int j = 0; j < 9; j++)
{
file.WriteLine(buff[j]);
}
}
}
}
public CStudents MainTAsk(byte c)
{
CStudents res = new CStudents();
for (int i = 0; i < Collection.Count; i++)
{
if (Collection.ElementAt(i).course == c &&
(Collection.ElementAt(i)).IsNotFailing() &&
Collection.ElementAt(i).IsActive)
{
res.Collection.Add(Collection.ElementAt(i).Clone());
}
}
return(res);
}
public bool GetAllFromFile(ref CStudents c)
{
string[] buff = new string[StringEquivalents.Nsemestrs];
bool res = true;
StreamReader reader = null;
try
{
reader = new StreamReader(FileName, false);
c.AddFromFile(reader);
}
catch
{
res = false;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
return(res);
}
public bool GetAllFromFile(ref CStudents s)
{
bool res = true;
XmlSerializer xml = new XmlSerializer(typeof(CStudents));
FileStream fs = null;
try
{
fs = new FileStream(FileName, FileMode.Open);
s = (CStudents)xml.Deserialize(fs);
}
catch
{
res = false;
}
finally
{
if (fs != null)
{
fs.Close();
}
}
return(res);
}
public bool GetAllFromFile(ref CStudents cs)
{
formatter = new BinaryFormatter();
FileStream file = null;
bool res = true;
try
{
file = new FileStream(FileName, FileMode.Open);
cs = (CStudents)formatter.Deserialize(file);
}
catch
{
res = false;
}
finally
{
if (file != null)
{
file.Close();
}
}
return(res);
}
