public override string[] printProperties(int ProductPlace)
{
Book myBook = new Book();
StreamReader readcustomerfile;
readcustomerfile = File.OpenText(@"Products.txt");
string[] properties = new string[6];
string info = "";
string line;
int control = 0;
int first, last;
while ((line = readcustomerfile.ReadLine()) != null)
{
control = line.IndexOf("ID : " + (100 + ProductPlace));
if (control != -1)
{
//Set ID To Book With Read Text File
first = line.IndexOf("ID : ") + "ID : ".Length;
last = line.IndexOf(",Name");
info = line.Substring(first, last - first);
myBook.setID(Convert.ToInt32(info));
properties[0] = myBook.getID().ToString();
//Set Name To Book With Read Text File
first = line.IndexOf("Name : ") + "Name : ".Length;
last = line.IndexOf(",Price");
info = line.Substring(first, last - first);
myBook.setName(info);
properties[1] = myBook.getName();
//Set Price To Book With Read Text File
first = line.IndexOf("Price : ") + "Price : ".Length;
last = line.IndexOf(",ISBN");
info = line.Substring(first, last - first);
myBook.setPrice(Convert.ToInt32(info));
properties[2] = myBook.getPrice().ToString();
//Set ISBN To Book With Read Text File
first = line.IndexOf("ISBN : ") + "ISBN : ".Length;
last = line.IndexOf(",Author");
info = line.Substring(first, last - first);
myBook.setISBN(Convert.ToInt32(info));
properties[3] = myBook.getISBN().ToString();
//Set Author To Book With Read Text File
first = line.IndexOf("Author : ") + "Author : ".Length;
last = line.IndexOf(",Publisher");
info = line.Substring(first, last - first);
myBook.setAuthor(info);
properties[4] = myBook.getAuthor();
//Set Publisher To Book With Read Text File
first = line.IndexOf("Publisher : ") + "Publisher : ".Length;
last = line.Length;
info = line.Substring(first, last - first);
myBook.setPublisher(info);
properties[5] = myBook.getPublisher();
}
}
return(properties);
}
private void btnRemoveProduct_Click(object sender, EventArgs e)
{
if (cbRemovedProductQuantity.Text == "")
{
MessageBox.Show("Please Set Quantity!");
}
else
{
string[] properties;
int place = 0;
for (int i = 0; i < listProducts.Items.Count; i++)
{
if (listProducts.Items[i].Selected == true)
{
int newQuantity = 0;
if (Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) > 100 && Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) < 200)
{
properties = new string[PropertiesCountOfItem("Book")];
Book myBook = new Book();
place = Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) - 100;
properties = myBook.printProperties(place);
myBook.setID(Convert.ToInt32(properties[0]));
myBook.setName(properties[1]);
myBook.setPrice(Convert.ToInt32(properties[2]));
myBook.setISBN(Convert.ToInt32(properties[3]));
myBook.setAuthor(properties[4]);
myBook.setPublisher(properties[5]);
ItemToPurchase item = new ItemToPurchase(myBook, Convert.ToInt32(cbRemovedProductQuantity.Text));
myShoppingCart.removeProduct(item);
if (Convert.ToInt32(cbRemovedProductQuantity.Text) >= Convert.ToInt32(listProducts.Items[i].SubItems[3].Text))
{
listProducts.Items[i].Remove();
}
else
{
newQuantity = Convert.ToInt32(listProducts.Items[i].SubItems[3].Text) - Convert.ToInt32(cbRemovedProductQuantity.Text);
listProducts.Items[i].SubItems[3].Text = newQuantity.ToString();
listProducts.Refresh();
}
}
else if (Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) > 200 && Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) < 300)
{
properties = new string[PropertiesCountOfItem("Magazine")];
Magazine myMagazine = new Magazine();
place = Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) - 200;
properties = myMagazine.printProperties(place);
myMagazine.setID(Convert.ToInt32(properties[0]));
myMagazine.setName(properties[1]);
myMagazine.setPrice(Convert.ToInt32(properties[2]));
myMagazine.setissue(properties[3]);
myMagazine.setType(properties[4]);
ItemToPurchase item = new ItemToPurchase(myMagazine, Convert.ToInt32(cbRemovedProductQuantity.Text));
myShoppingCart.removeProduct(item);
if (Convert.ToInt32(cbRemovedProductQuantity.Text) >= Convert.ToInt32(listProducts.Items[i].SubItems[3].Text))
{
listProducts.Items[i].Remove();
}
else
{
newQuantity = Convert.ToInt32(listProducts.Items[i].SubItems[3].Text) - Convert.ToInt32(cbRemovedProductQuantity.Text);
listProducts.Items[i].SubItems[3].Text = newQuantity.ToString();
listProducts.Refresh();
}
}
else
{
properties = new string[PropertiesCountOfItem("MusicCD")];
MusicCD myMusicCD = new MusicCD();
place = Convert.ToInt32(listProducts.Items[i].SubItems[0].Text) - 300;
properties = myMusicCD.printProperties(place);
myMusicCD.setID(Convert.ToInt32(properties[0]));
myMusicCD.setName(properties[1]);
myMusicCD.setPrice(Convert.ToInt32(properties[2]));
myMusicCD.setsinger(properties[3]);
myMusicCD.setType(properties[4]);
ItemToPurchase item = new ItemToPurchase(myMusicCD, Convert.ToInt32(cbRemovedProductQuantity.Text));
myShoppingCart.removeProduct(item);
if (Convert.ToInt32(cbRemovedProductQuantity.Text) >= Convert.ToInt32(listProducts.Items[i].SubItems[3].Text))
{
listProducts.Items[i].Remove();
}
else
{
newQuantity = Convert.ToInt32(listProducts.Items[i].SubItems[3].Text) - Convert.ToInt32(cbRemovedProductQuantity.Text);
listProducts.Items[i].SubItems[3].Text = newQuantity.ToString();
listProducts.Refresh();
}
}
}
}
}
}