// Event handler for clicking the display button
private void btnDisplay_Click(object sender, RoutedEventArgs e)
{
// Create a new TradeTable
TradeTable = new TradeTable();
// Attempt to read the csv at the path selected, if it succeeds
if (TradeTable.ReadCSV(path.Text))
{
// Set the data context for the datagrids to the query results
stockDataGrid.DataContext = TradeTable.GetStockVWAP();
tradeTypeGrid.DataContext = TradeTable.GetStockPerTradeTypeVWAP();
// Create a set to contain epics
HashSet <string> epics = new HashSet <string>();
// Iterate through the rows of the table
foreach (DataRow row in TradeTable.Table.Rows)
{
// Add the epic to the set
_ = epics.Add(row.ItemArray[0].ToString());
}
// Use the epics as the itemsource for the filter list
filter.ItemsSource = epics;
// Set visibility for the tabs and the export button
dataGridTabs.Visibility = Visibility.Visible;
btnSelectSavePath.Visibility = Visibility.Visible;
}
}
// Event handler for when the filter is changed
private void filter_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
// Get the query for the filter
DataTable filteredTable = TradeTable.GetFilteredVWAP((string)filter.SelectedValue);
// If the query failed
if (filteredTable == null)
{
// Hide the grid and chart
filterGrid.Visibility = Visibility.Hidden;
filterChart.Visibility = Visibility.Hidden;
}
else
{
// Create a new chartdata with the query results
ChartData = new ChartData <double>(filteredTable);
// Set the datacontext for the grid and chart
filterGrid.DataContext = filteredTable;
filterChart.DataContext = ChartData;
// Show the grid and chart
filterGrid.Visibility = Visibility.Visible;
filterChart.Visibility = Visibility.Visible;
}
}
