private GUITAR save_inst()
{
int x;
GUITAR guitar = new GUITAR();
guitar.color = comboBox2.Text;
guitar.name = name.Text;
guitar.type = comboBox1.Text;
guitar.materials = comboBox3.Text;
bool success1 = int.TryParse(frets.Text, out x);
if (success1 == true)
{
guitar.price = int.Parse(price.Text);
}
bool success2 = int.TryParse(id.Text, out x);
if (success2 == true)
{
guitar.id = int.Parse(id.Text);
}
guitar.type = comboBox1.Text;
bool success3 = int.TryParse(strings.Text, out x);
if (success3 == true)
{
guitar.nbr_of_strings = int.Parse(strings.Text);
}
bool success4 = int.TryParse(frets.Text, out x);
if (success4 == true)
{
guitar.nbr_of_frets = int.Parse(frets.Text);
}
return(guitar);
}
private void button5_Click(object sender, EventArgs e)
{
try
{
int y;
id.Enabled = true;
if (id.Text == "")
{
MessageBox.Show("please select an ID");
}
else if (int.TryParse(id.Text, out y) == false)
{
MessageBox.Show("ENTER A NUMBER"); id.Clear();
}
else
{
IList <string> list_guitars = new List <string>();
IDictionary <int, GUITAR> guitar_dict = new Dictionary <int, GUITAR>();
using (StreamReader sr = new StreamReader(path))
{
string line = sr.ReadLine();
line = sr.ReadLine();
//line = sr.ReadLine();
while (line != null)
{
list_guitars.Add(line);
line = sr.ReadLine();
line = sr.ReadLine();
}
}
foreach (var item in list_guitars)
{
string[] broken_str = item.Split('/');
GUITAR a = new GUITAR();
a.id = int.Parse(broken_str[0].Trim());
a.name = broken_str[1].Trim();
a.type = broken_str[2];
a.materials = broken_str[3];
a.price = int.Parse(broken_str[4].TrimEnd('$'));
a.color = broken_str[5];
a.nbr_of_frets = int.Parse(broken_str[6]);
a.nbr_of_strings = int.Parse(broken_str[7]);
guitar_dict.Add(int.Parse(broken_str[0]), a);
Array.Clear(broken_str, 0, broken_str.Length);
}
if (guitar_dict.Keys.Contains(int.Parse(id.Text)))
{
int x;
bool guitars = int.TryParse(id.Text, out x);
if (guitars == true)
{
guitar_dict.Remove(int.Parse(id.Text));
}
// write to the file
using (StreamWriter sw = new StreamWriter(path))
{
sw.WriteLine("ID|NAME|TYPE|MATERIALS|PRICE|COLOR|FRETS|STRINGS");
foreach (var item in guitar_dict)
{
sw.WriteLine(item.Value.get_info());
sw.WriteLine("----");
}
MessageBox.Show("GUITAR DELETED");
}
}
else
{
MessageBox.Show("enter a valid ID");
id.Clear();
}
}
}
catch (FileNotFoundException)
{
MessageBox.Show("File not found:+" + path + "\n CREATING FILE...");
var text = "ID|NAME|TYPE|MATERIALS|PRICE|COLOR|FRETS|STRINGS \n";
File.WriteAllText("GUITAR.TXT", text);
}
catch (IOException) { MessageBox.Show("I/O ERROR \nREDELETE THE ITEM"); }
}
public void GUITAR__list_to_GUITAR_dict()
{
try
{
using (StreamReader sr = new StreamReader(path1))
{
string line = sr.ReadLine();
line = sr.ReadLine();
while (line != null)
{
list_instruments.Add(line);
line = sr.ReadLine();
line = sr.ReadLine();
}
}
//converting to a dict
foreach (var item in list_instruments)
{
string[] broken_str = item.Split('/');
GUITAR a = new GUITAR();
a.id = int.Parse(broken_str[0].Trim());
a.name = broken_str[1].Trim();
a.type = broken_str[2];
a.materials = broken_str[3];
a.price = int.Parse(broken_str[4].TrimEnd('$'));
a.color = broken_str[5];
a.nbr_of_frets = int.Parse(broken_str[6]);
a.nbr_of_strings = int.Parse(broken_str[7]);
GUITAR_dict.Add(int.Parse(broken_str[0]), a);
Array.Clear(broken_str, 0, broken_str.Length);
}
DataTable table = new DataTable();
table.Columns.Add("ID");
table.Columns.Add("NAME");
table.Columns.Add("TYPE");
table.Columns.Add("MATERIALS");
table.Columns.Add("PRICE");
table.Columns.Add("COLOR");
table.Columns.Add("FRETS");
table.Columns.Add("STRINGS");
foreach (var item in GUITAR_dict)
{
DataRow row = table.NewRow();
row["ID"] = item.Key;
row["NAME"] = item.Value.name;
row["TYPE"] = item.Value.type;
row["MATERIALS"] = item.Value.materials;
row["PRICE"] = item.Value.price;
row["COLOR"] = item.Value.color;
row["FRETS"] = item.Value.nbr_of_frets;
row["STRINGS"] = item.Value.nbr_of_strings;
table.Rows.Add(row);
}
dataGridView2.DataSource = table;
}
catch (FileNotFoundException) { MessageBox.Show("FILE NOT FOUND");
var text = "ID|NAME|TYPE|MATERIALS|PRICE|COLOR|FRETS|STRINGS \n"; File.WriteAllText(path1, text); }
catch (IOException) { MessageBox.Show("I|O ERROR"); }
catch (Exception) { MessageBox.Show("ERROR LOADING GUITARS"); }
}