// Constructor
// Reads the csv file and populates a Tree for the application to use
// Also sets placeholders for the search and add trade partner textboxes
// Populates the listview with country names
public TradingDataForm()
{
csvRead.readCsvIn();
csvRead.FileContent.ForEach(item => CTree.InsertItem(item));
InitializeComponent();
SearchTB.Text = "Search countries...";
AddTradePartnerTB.Text = "Add Trade Partner...";
populateListView("");
}
public void init()
{
LinkedList <string> partners = null;
CT = new CountryTree();
for (int i = 0; i < 15; i++)
{
Country country = new Country("demoCountry" + i, 0, 0, 0, 0, partners);
CT.InsertItem(country);
}
}
//<<ADDED ERROR HANDLING (TRY/CATCH) FOR SUMMATIVE>>
public static bool ParseCountriesIntoTree(string filePath, ref CountryTree tree)
{
try
{
String[] lines = new string[LINE_MAX];
lines = File.ReadAllLines(filePath);
foreach (string line in lines)
{
if (line.StartsWith(COUNTRY)) //ignore header
{
if (line.Split(',').Length != 6)
{
return false;
}
}
else
{
LinkedList<string> partnerNames = new LinkedList<string>();
string[] columns = line.Split(',');
string[] partners = columns[PARTNERS_INDEX].Split(';', '[', ']');
foreach (string p in partners)
{
if (p.Length > 1)
{
partnerNames.AddLast(p);
}
}
tree.InsertItem(new Country(columns[NAME_INDEX], Double.Parse(columns[GDP_INDEX]),
Double.Parse(columns[INFLATION_INDEX]), Double.Parse(columns[TRADE_INDEX]),
int.Parse(columns[HDI_INDEX]), partnerNames));
}
}
return true;
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
return false;
}
}
