private void searchCountryTextBox_TextChanged(object sender, EventArgs e)
{
AVLCountry searchTree = new AVLCountry();
string userInput = searchCountryTextBox.Text;
var source = new AutoCompleteStringCollection();
if (userInput == "")
{
//refresh comboBox
countryComboBox.DataSource = CountryAVLTree.GetAllCountries();
countryComboBox.DisplayMember = "countryName";
selectCountryLabel.Text = "Select Country: " + CountryAVLTree.Count().ToString();
//clear search results
foreach (Country search in searchTree.GetAllCountries())
{
searchTree.RemoveItem(search);
}
}
else
{
//clear all user innput
int countryCount = 0;
currentCountry = null;
countryComboBox.Text = "";
selectCountryLabel.Text = "Select Country: 0";
foreach (Country c in CountryAVLTree.GetAllCountries())
{
if (c.CountryName.ToLower().StartsWith(userInput.ToLower().Trim()))
{
source.Add(c.CountryName);
countryCount++;
searchTree.InsertItem(c);
}
}
foreach (Country search in searchTree.GetAllCountries())
{
if (!search.CountryName.ToLower().StartsWith(userInput.ToLower().Trim()))
{
source.Remove(search.CountryName);
countryCount--;
searchTree.RemoveItem(search);
}
}
countryComboBox.DataSource = searchTree.GetAllCountries();
countryComboBox.DisplayMember = "countryName";
selectCountryLabel.Text = "Select Country: " + countryCount;
searchCountryTextBox.AutoCompleteCustomSource = source;
}
}
public AVLCountry fetchAllTradePartners(Country country)
{
AVLCountry tradePartners = new AVLCountry();
foreach (string partnerName in country.TradePartners)
{
foreach (Country c in GetAllCountries())
{
if (c.CountryName == partnerName)
{
tradePartners.InsertItem(c);
}
}
}
return(tradePartners);
}
private void tradePartners_Load(object sender, EventArgs e)
{
tradePartnersLabel.Text = "Showing Trade Partners of: " + current.CountryName.ToString();
dataTable = new DataTable();
dataTable.Columns.Add("Country");
dataTable.Columns.Add("GDP Growth");
dataTable.Columns.Add("Inflation");
dataTable.Columns.Add("Trade Balance");
dataTable.Columns.Add("HDI Ranking");
countryDataGridView.DataSource = dataTable;
tradePartnersTree = refToMainTree.fetchAllTradePartners(current);
dataTable.Clear();
foreach (Country c in tradePartnersTree.GetAllCountries())
{
if (tradePartnersTree != null)
{
dataTable.Rows.Add(c.CountryName, c.GDPGrowth, c.Inflation, c.TradeBalance, c.HDIRanking);
}
}
countryDataGridView.Update();
}
