/// <summary>
/// generates a graph containing downloads per date
/// </summary>
/// <param name="index"></param>
/// <param name="model_id"></param>
/// <param name="labelX"></param>
/// <param name="labelY"></param>
/// <returns></returns>
private HtmlGenericControl GenerateAssetGraph(int index, int model_id, out Label[] labelX, out Label[] labelY)
{
HtmlGenericControl svg = new HtmlGenericControl("svg");
svg.Attributes["class"] = "asset-graph";
string[] mat = ws.GetDownloadCountArray(model_id);
labelX = new Label[5];
labelY = new Label[5];
for (int i = 0; i < labelX.Length; i++)
{
labelX[i] = new Label();
labelY[i] = new Label();
}
if (mat.Length > 0)
{
Dictionary <DateTime, int> dateCount = new Dictionary <DateTime, int>();
for (int i = 0; i < mat.Length / 2; i++)
{
dateCount.Add(ConvertToDate(mat[i]), int.Parse(mat[mat.Length / 2 + i]));
}
Dictionary <TimeSpan, int> timeCount = new Dictionary <TimeSpan, int>();
//offset from first date
DateTime reference = dateCount.First().Key;
for (int i = 0; i < dateCount.Count; i++)
{
timeCount.Add(dateCount.ElementAt(i).Key.Subtract(reference), dateCount.ElementAt(i).Value);
}
//multiply years by 365 and months by 30
HtmlGenericControl xAxis = new HtmlGenericControl("polyline");
xAxis.Attributes["fill"] = "none";
xAxis.Attributes["stroke"] = "black";
xAxis.Attributes["stroke-width"] = "2";
xAxis.Attributes["points"] = "1,0 0,0 0,1";
HtmlGenericControl[] marks = new HtmlGenericControl[10];
for (int i = 0; i < marks.Length; i++)
{
marks[i] = new HtmlGenericControl("polyline");
marks[i].Attributes["fill"] = "none";
marks[i].Attributes["stroke"] = "lightgray";
marks[i].Attributes["stroke-width"] = "2";
marks[i].Attributes["points"] = "0,0 1,0";
}
DateTime first = dateCount.First().Key;
int max_value = CalcMaxCount(timeCount);
TimeSpan offset = CalcAxisOffset(dateCount);
for (int i = 0; i < labelX.Length; i++)
{
labelX[i] = new Label();
labelX[i].Text = ((i + 1) * max_value / labelX.Length).ToString();
labelX[i].CssClass = "label-x" + i;
}
for (int i = 0; i < labelY.Length; i++)
{
DateTime date = first;
for (int k = 0; k <= i; k++)
{
date = date.Add(offset);
}
labelY[i] = new Label();
labelY[i].Text = (date).ToShortDateString();
labelY[i].CssClass = "label-y" + i;
}
HtmlGenericControl polyline = new HtmlGenericControl("polyline");
polyline.Attributes["fill"] = "none";
polyline.Attributes["stroke"] = "rgb(0, 255, 0)";
polyline.Attributes["stroke-width"] = "3";
polyline.Attributes["points"] = "";
for (int i = 0; i < dateCount.Count; i++)
{
polyline.Attributes["points"] += timeCount.ElementAt(i).Key.TotalDays + "," + timeCount.ElementAt(i).Value + " ";
}
svg.Controls.Add(polyline);
svg.Controls.Add(xAxis);
for (int i = 0; i < marks.Length; i++)
{
svg.Controls.Add(marks[i]);
}
}
else
{
HtmlGenericControl xAxis = new HtmlGenericControl("polyline");
xAxis.Attributes["fill"] = "none";
xAxis.Attributes["stroke"] = "black";
xAxis.Attributes["points"] = "1,0 0,0 0,1";
HtmlGenericControl[] marks = new HtmlGenericControl[10];
for (int i = 0; i < marks.Length; i++)
{
marks[i] = new HtmlGenericControl("polyline");
marks[i].Attributes["fill"] = "none";
marks[i].Attributes["stroke"] = "lightgray";
marks[i].Attributes["points"] = "0,0 1,0";
}
HtmlGenericControl polyline = new HtmlGenericControl("polyline");
polyline.Attributes["fill"] = "none";
polyline.Attributes["stroke"] = "rgb(0, 255, 0)";
polyline.Attributes["points"] = "0,0 0,0 ";
svg.Controls.Add(polyline);
svg.Controls.Add(xAxis);
for (int i = 0; i < marks.Length; i++)
{
svg.Controls.Add(marks[i]);
}
}
return(svg);
}