/// <summary>
/// Initialize edit form with country data
/// </summary>
/// <param name="c">The Country to be edited</param>
public editForm(Country c)
{
InitializeComponent();
countrytb.Text = c.Name;
gdptb.Text = c.GDP;
inflationtb.Text = c.Inflation;
tradeBaltb.Text = c.TradeBalance;
hditb.Text = c.HDI;
tradePartlv.HeaderStyle = ColumnHeaderStyle.None;
foreach (String s in c.TradePartners)
{
tradePartlv.Items.Add(s);
}
}
/// <summary>
/// Checks to see if all changes are acceptable, creates new country item with the new data
/// </summary>
private void saveButt_Click(object sender, EventArgs e)
{
if (!string.IsNullOrWhiteSpace(countrytb.Text) && !string.IsNullOrWhiteSpace(gdptb.Text) && !string.IsNullOrWhiteSpace(inflationtb.Text) && !string.IsNullOrWhiteSpace(tradeBaltb.Text) && !string.IsNullOrWhiteSpace(hditb.Text))
{
LinkedList<string> newTradePart = new LinkedList<string>();
foreach (ListViewItem lvi in tradePartlv.Items)
{
if (!string.IsNullOrWhiteSpace(lvi.SubItems[0].Text))
{
newTradePart.AddLast(lvi.SubItems[0].Text);
}
}
newCountry = new Country(countrytb.Text, gdptb.Text, inflationtb.Text, tradeBaltb.Text, hditb.Text, newTradePart);
this.DialogResult = DialogResult.OK;
this.Close();
}
else
{
MessageBox.Show("Some fields still require an entry", "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
/// <summary>
/// Load button click
/// Reads csv file and creates country objects to be added to the tree
/// </summary>
private void button3_Click(object sender, EventArgs e)
{
const int MAX_LINES_FILE = 50000;
string[] AllLines = new string[MAX_LINES_FILE];
tree = new AVLTree<Country>();
OpenFileDialog openFile = new OpenFileDialog();
openFile.Filter = "csv files (*.csv)|*.csv";
if (openFile.ShowDialog() == DialogResult.OK)
{
try
{
AllLines = File.ReadAllLines(openFile.FileName);
foreach (string line in AllLines)
{
if (line.StartsWith("Country"))
{
headers = line.Split(',');
}
else
{
string[] columns = line.Split(',');
string[] partners = columns[5].Split(';', '[', ']');
LinkedList<String> tPartners = new LinkedList<string>();
for (int i = 1; i < partners.Length - 1; i++)
{
tPartners.AddLast(partners[i]);
}
//Creates a new country object and adds to tree
Country country = new Country(columns[0], columns[1], columns[2], columns[3], columns[4], tPartners);
tree.InsertItem(country);
}
}
populateListView(false);
treeDepth();
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}