/// <summary>
/// Event listening the user to change the index of the list box. When triggered it shall
/// populate the fields and disable the fields from user control.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LBox_Countries_SelectedIndexChanged(object sender, EventArgs e)
{
Country selectedCountry = countries.Get(LBox_Countries.SelectedItem.ToString());
populateFields(selectedCountry);
enableFields(false);
}
/// <summary>
/// When the user adds or remove text from the text box refresh the grid with the
/// countries that partially match the supplied search name.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void TBox_Search_TextChanged(object sender, EventArgs e)
{
DGridView_Countries.DataSource = null;
dataTable.Rows.Clear();
String partial = TBox_Search.Text;
foreach (String name in countries.GetPartials(partial))
{
Country country = countries.Get(name);
dataTable.Rows.Add(new Object[] { country.Name, country.GDP,
country.Inflation, country.TradeBalance, country.HDI,
String.Join(", ", country.TradePartners) });
}
DGridView_Countries.DataSource = dataTable;
}
/// <summary>
/// When the user clicks the search button attempt to locate all countries that trade
/// with the provided name.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Btn_Search_Click(object sender, EventArgs e)
{
DGridView_Countries.DataSource = null;
dataTable.Rows.Clear();
if (TBox_Search.Text != "")
{
String partner = TBox_Search.Text;
foreach (String name in countries.GetTradeWith(partner))
{
Country country = countries.Get(name);
dataTable.Rows.Add(new Object[] { country.Name, country.GDP,
country.Inflation, country.TradeBalance, country.HDI,
String.Join(", ", country.TradePartners) });
}
}
DGridView_Countries.DataSource = dataTable;
}
