private void ShowCourse()
{
selectedDates = calendar.SelectedDates;
if (selectedDates != null && selectedDates.Count > 0)
{
if (currenciesListBox.SelectedValue != null)
{
string currencyCode = (string)currenciesListBox.SelectedValue;
DateTime firstDate = selectedDates.First();
DateTime lastDate = selectedDates.Last();
WebClient wc = new WebClient();
wc.DownloadStringCompleted += DownloadQuotesCompleted;
Uri uri = CreateUri(firstDate, lastDate, currencyCode);
wc.DownloadStringAsync(uri);
}
}
}
/*
* private void B3_Click(object sender, RoutedEventArgs e)
* {
* this.Close();
* }
*
* private void B4_Click(object sender, RoutedEventArgs e)
* {
* string start = null, end = null;
* int counter = 0;
* if (c1.SelectedDate.HasValue)
* {
* REngine engine;
* REngine.SetEnvironmentVariables();
* engine = REngine.GetInstance();
* engine.Initialize();
*
* foreach (DateTime d in c1.SelectedDates)
* {
* if (counter == 0)
* {
* start = "" + d.Year.ToString() + "-" + d.Month.ToString() + "-" + d.Day.ToString();
* u_date_list.Add(start);
* }
* else
* {
* end = "" + d.Year.ToString() + "-" + d.Month.ToString() + "-" + d.Day.ToString();
* u_date_list.Add(end);
* }
*
* counter++;
* }
*
*
* //string symbol = "" + "library(TTR)\n library(quantmod)\n all <- getSymbols( \"" + c_name + "\", src = \"yahoo\", from = \"" + start + "\", to = \"" + end + "\")";
*
* string temp = "getYahooStockUrl <- function(symbol, start, end, type = \"d\") {\n start <- as.Date(start)\n end <- as.Date(end)\n url <-\"http://ichart.finance.yahoo.com/table.csv?s=%s&a=%d&b=%s&c=%s&d=%d&e=%s&f=%s&g=%s&ignore=.csv\"\n sprintf(url,\ntoupper(symbol),\nas.integer(format(start, \"%m\")) - 1,\nformat(start, \"%d\"),\nformat(start, \"%Y\"),\nas.integer(format(end, \"%m\")) - 1, \nformat(end, \"%d\"),\nformat(end, \"%Y\"),\ntype)} \ndata<- read.csv(getYahooStockUrl(\"" + c_name + "\", \"1000-1-1\", \"" + start + "\"),\nstringsAsFactors = FALSE)";
*
* string point = null;
* DataFrame obj = engine.Evaluate(temp).AsDataFrame();
*
* for (int i = 0; i < obj.RowCount; ++i)
* {
* for (int k = 0; k < obj.ColumnCount; ++k)
* {
* if (obj.ColumnNames[k].Equals("Close"))
* {
* point = obj[i, k].ToString();
* }
* }
* p_list.Add(float.Parse(point, System.Globalization.CultureInfo.InvariantCulture));
* }
* }
*
* this.Close();
* }
*/
private void User_Click(object sender, SelectionChangedEventArgs e)
{
string start = null, end = null;
//int counter = 0;
if (c1.SelectedDate.HasValue)
{
REngine engine;
REngine.SetEnvironmentVariables();
engine = REngine.GetInstance();
engine.Initialize();
SelectedDatesCollection dates = c1.SelectedDates;
if (flag == 0)
{
start = dates.First().ToString("yyyy-MM-dd");
end = dates.Last().ToString("yyyy-MM-dd");
}
else
{
if (c1.SelectedDates.First() > DateTime.Now)
{
DateTime strdate = DateTime.Today.AddDays(-14);
//DateTime strdate = new DateTime(1900, 01, 01);
start = strdate.ToString("yyyy-MM-dd");
end = dates.First().ToString("yyyy-MM-dd");
}
else
{
DateTime strdate = c1.SelectedDates.First().AddDays(-14);
start = strdate.ToString("yyyy-MM-dd");
end = dates.First().ToString("yyyy-MM-dd");
}
}
//foreach (DateTime d in c1.SelectedDates)
//{
// if (counter == 0)
// {
// start = "" + d.Year.ToString() + "-" + d.Month.ToString() + "-" + d.Day.ToString();
// if (d.DayOfWeek.ToString().Equals("Sunday") || d.DayOfWeek.ToString().Equals("Saturday")) ;
// else
// u_date_list.Add(start);
// }
// else
// {
// end = "" + d.Year.ToString() + "-" + d.Month.ToString() + "-" + d.Day.ToString();
// if (d.DayOfWeek.ToString().Equals("Sunday") || d.DayOfWeek.ToString().Equals("Saturday")) ;
// else
// u_date_list.Add(end);
// }
// counter++;
//}
//string symbol = "" + "library(TTR)\n library(quantmod)\n all <- getSymbols( \"" + c_name + "\", src = \"yahoo\", from = \"" + start + "\", to = \"" + end + "\")";
string temp = "getYahooStockUrl <- function(symbol, start, end, type = \"d\") {\n start <- as.Date(start)\n end <- as.Date(end)\n url <-\"http://ichart.finance.yahoo.com/table.csv?s=%s&ignore=.csv\"\n sprintf(url,\ntoupper(symbol),\nas.integer(format(start, \"%m\")) - 1,\nformat(start, \"%d\"),\nformat(start, \"%Y\"),\nas.integer(format(end, \"%m\")) - 1, \nformat(end, \"%d\"),\nformat(end, \"%Y\"),\ntype)} \ndata<- read.csv(getYahooStockUrl(\"" + c_name + "\", \"" + start + "\", \"" + end + "\"),\nstringsAsFactors = FALSE)";
// string temp = "getYahooStockUrl <- function(symbol, start, end, type = \"d\") {\n start <- as.Date(start)\n end <- as.Date(end)\n url <-\"http://ichart.finance.yahoo.com/table.csv?s=%s&a=%d&b=%s&c=%s&d=%d&e=%s&f=%s&g=%s&ignore=.csv\"\n sprintf(url,\ntoupper(symbol),\nas.integer(format(start, \"%m\")) - 1,\nformat(start, \"%d\"),\nformat(start, \"%Y\"),\nas.integer(format(end, \"%m\")) - 1, \nformat(end, \"%d\"),\nformat(end, \"%Y\"),\ntype)} \ndata<- read.csv(getYahooStockUrl(\"" + c_name + "\", \"1000-1-1\", \"" + start + "\"),\nstringsAsFactors = FALSE)";
//string point = null;
string tmp = "";
foreach (DateTime d in c1.SelectedDates)
{
tmp = tmp + '"' + d.ToString("dd/MM/yyyy") + '"' + " , ";
}
tmp = tmp.Substring(0, tmp.Length - 2);
obj = engine.Evaluate(temp).AsDataFrame();
engine.Evaluate("user <- c(" + tmp + ")");
tmp = "";
foreach (DateTime d in c1.SelectedDates)
{
tmp = tmp + '"' + d.ToString("yyyy-MM-dd") + '"' + " , ";
}
tmp = tmp.Substring(0, tmp.Length - 2);
engine.Evaluate("user2 <- (c(" + tmp + "))");
obj = engine.Evaluate(temp).AsDataFrame();
engine.SetSymbol("data", obj);
temp = "data[data$Date >= \"" + start + "\"& data$Date <= \"" + end + "\",]";
obj = engine.Evaluate(temp).AsDataFrame();
//DataFrame obj = engine.Evaluate(temp).AsDataFrame();
//for (int i = 0; i < obj.RowCount; ++i)
//{
// for (int k = 0; k < obj.ColumnCount; ++k)
// {
// if (obj.ColumnNames[k].Equals("Close"))
// {
// point = obj[i, k].ToString();
// }
// }
// p_list.Add(float.Parse(point, System.Globalization.CultureInfo.InvariantCulture));
//}
}
this.DialogResult = true;
//p_list.Reverse();
this.Close();
}