// Botões
private void btnCadastro_Click(object sender, EventArgs e)
{
string nome = this.edNome.Text;
string cpf = (this.edCPF.MaskCompleted) ? this.edCPF.Text : "";
string tel = (this.edTelefone.MaskCompleted) ? this.edTelefone.Text : "";
if ((String.IsNullOrWhiteSpace(nome)) || (String.IsNullOrWhiteSpace(cpf)) || (String.IsNullOrWhiteSpace(tel)))
{
MessageBox.Show("Preencha os campos corretamente", "Erro", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
int pos;
if ((pos = FormCadastro.CpfExiste(this.Users, cpf)) >= 0)
{
MessageBox.Show("CPF já cadastrado!");
list.Items[pos].Selected = true;
list.Select();
return;
}
User user = new User(++this.UltimoID, nome, cpf, tel);
this.Users.Add(user);
this.list.Items.Add(FormCadastro.ItemFromUser(user));
this.edNome.Clear();
this.edCPF.Clear();
this.edTelefone.Clear();
}
private void menu_salvar_Click(object sender, EventArgs e)
{
if (String.IsNullOrEmpty(this.CurrentFile))
{
menu_salvarcomo_Click(sender, e);
}
FormCadastro.GravarUsuariosEmDisco(this.Users, this.CurrentFile);
}
private void menu_salvarcomo_Click(object sender, EventArgs e)
{
dlgSalvar.ShowDialog();
if (String.IsNullOrEmpty(dlgSalvar.FileName))
{
return;
}
this.CurrentFile = dlgSalvar.FileName;
FormCadastro.GravarUsuariosEmDisco(this.Users, this.CurrentFile);
this.AtualizaStatusBar();
}
private static ListViewItem[] ItemsFromUserList(List <User> users)
{
ListViewItem[] items = new ListViewItem[users.Count];
int i = 0;
foreach (User user in users)
{
items[i++] = FormCadastro.ItemFromUser(user);
}
return(items);
}
private void menu_abrir_Click(object sender, EventArgs e)
{
dlgAbrir.ShowDialog();
if (String.IsNullOrEmpty(dlgAbrir.FileName))
{
return;
}
this.CurrentFile = dlgAbrir.FileName;
this.Users = FormCadastro.CarregarUsuariosDeDisco(this.CurrentFile);
this.UltimoID = FormCadastro.MaxId(this.Users);
this.list.Items.Clear();
this.list.Items.AddRange(FormCadastro.ItemsFromUserList(this.Users));
this.AtualizaStatusBar();
}
private void btnPesquisa_Click(object sender, EventArgs e)
{
string nome = this.edNome.Text;
string cpf = (this.edCPF.MaskCompleted) ? this.edCPF.Text : "";
string tel = (this.edTelefone.MaskCompleted) ? this.edTelefone.Text : "";
int index = FormCadastro.PesquisarUsuario(this.Users, nome, cpf, tel);
if (index <= -1)
{
MessageBox.Show("User not found");
return;
}
list.Items[index].Selected = true;
list.Select();
list_SelectedIndexChanged(sender, e);
}
private static List <User> CarregarUsuariosDeDisco(string filename)
{
string str;
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
using (StreamReader reader = new StreamReader(fs, Encoding.UTF8)) {
str = reader.ReadToEnd();
}
List <User> users = new List <User>();
int count = 0;
bool string_open = false;
List <string> fields = new List <string>();
StringBuilder builder = new StringBuilder();
foreach (char c in str)
{
switch (c)
{
case '\n':
case '\r':
if (fields.Count <= 0)
{
break;
}
if (!string_open)
{
fields.Add(builder.ToString());
}
if (count++ > 0)
{
User new_user = FormCadastro.CreateUserFromFields(fields);
if (new_user != null)
{
users.Add(new_user);
}
}
fields.Clear();
builder.Clear();
break;
case '"':
string_open = !string_open;
break;
case ',':
if (!string_open)
{
fields.Add(builder.ToString());
builder.Clear();
break;
}
builder.Append(c);
break;
default:
builder.Append(c);
break;
}
}
return(users);
}