private void searchTextBox_TextChanged(object sender, EventArgs e)
{
string searchTerm = searchTextBox.Text;
if (string.IsNullOrWhiteSpace(searchTerm))
{
backButton.Enabled = false;
refreshMainForm();
clearSearchResults();
searchBoxLabel.Text = "Search Country:";
}
else
{
backButton.Enabled = true;
clearAllInput();
foreach (Country country in mainTree.GetCountries())
{
if (country.Name.ToLower().StartsWith(searchTerm.ToLower().Trim()))
{
resultsTree.InsertItem(country);
}
}
foreach (Country result in resultsTree.GetCountries())
{
if (!result.Name.ToLower().StartsWith(searchTerm.ToLower().Trim()))
{
resultsTree.RemoveItem(result);
}
}
countryList.DataSource = resultsTree.GetCountries();
countryList.DisplayMember = "name";
searchBoxLabel.Text = "Search Results: " + resultsTree.Count();
}
}
private void refreshMainForm()
{
countryList.DataSource = mainTree.GetCountries();
countryList.DisplayMember = "name";
uniqueCountriesLabel.Text = "Unique Countries: " + mainTree.Count();
treeHeightLabel.Text = "Tree Height: " + mainTree.Height();
searchTextBox.Clear();
inputErrors = "";
if (countryList.Items.Count == 0)
{
bigTradePotentiaMenuItem.Enabled = false;
exportMenuItem.Enabled = false;
selectedCountryMenuItem.Enabled = false;
}
else
{
bigTradePotentiaMenuItem.Enabled = true;
exportMenuItem.Enabled = true;
selectedCountryMenuItem.Enabled = true;
}
if (countryList.Items.Count == 0)
{
clearAllInput();
}
}
private void findPartnersMenuItem_Click(object sender, EventArgs e)
{
searchTextBox.Clear();
clearSearchResults();
resultsTree = mainTree.FindTradePartners(selectedCountry);
searchBoxLabel.Text = "Displaying all Trade Partners for " + selectedCountry.Name + ": " + resultsTree.Count();
countryList.DataSource = resultsTree.GetCountries();
countryList.DisplayMember = "name";
backButton.Enabled = true;
}
