private void loadCountriesMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog loadCountries = new OpenFileDialog();
loadCountries.Filter = "CSV Files|*.csv";
loadCountries.Title = "Select a CSV File";
if (loadCountries.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
try
{
string[] headers = new string[6];
const int MAX_LINES_FILE = 50000;
string[] AllLines = new string[MAX_LINES_FILE];
AllLines = File.ReadAllLines(loadCountries.FileName);
foreach (string line in AllLines)
{
if (line.StartsWith("Country"))
{
headers = line.Split(',');
}
else
{
string[] columns = line.Split(',');
LinkedList <String> tempList = new LinkedList <string>();
string[] partners = columns[5].Split(';', '[', ']');
foreach (string tradePartner in partners)
{
if (tradePartner != "")
{
tempList.AddLast(tradePartner.Replace('_', ' '));
}
}
Country temp = new Country
{
Name = columns[0].Replace('_', ' '),
GdpGrowth = Convert.ToDouble(columns[1]),
Inflation = Convert.ToDouble(columns[2]),
TradeBalance = Convert.ToDouble(columns[3]),
HdiRanking = Convert.ToUInt32(columns[4]),
MainTradePartners = tempList
};
mainTree.InsertItem(temp);
}
}
}
catch
{
MessageBox.Show("Please make sure that selected file is not already in use.\n\nIf file is not in use, please check for errors.", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
refreshMainForm();
}
private void bigTradePotentiaMenuItem_Click(object sender, EventArgs e)
{
searchTextBox.Clear();
clearSearchResults();
Country biggestTradePotential = mainTree.GetBiggestTradePotential();
resultsTree.InsertItem(biggestTradePotential);
searchBoxLabel.Text = "Displaying Country with Biggest Trade Potential";
countryList.DataSource = resultsTree.GetCountries();
countryList.DisplayMember = "name";
backButton.Enabled = true;
}
public CountryTree FindTradePartners(Country searchTerm)
{
CountryTree tradePartners = new CountryTree();
foreach (string partner in searchTerm.MainTradePartners)
{
foreach (Country country in GetCountries())
{
if (country.Name.Equals(partner))
{
tradePartners.InsertItem(country);
}
else if (country.MainTradePartners.Contains(searchTerm.Name) && !tradePartners.Contains(country))
{
tradePartners.InsertItem(country);
}
}
}
return(tradePartners);
}