public string Process(string template, Models.TemplateModel model)
{
string templateKey = String.Format("{0}_{1}", model.GridContext.GridName, model.GridColumn.ColumnName);
var result = RazorEngine.Engine.Razor.RunCompile(template, templateKey, typeof(Models.TemplateModel), model);
return(result);
}
public string Process(string template, Models.TemplateModel model)
{
if (String.IsNullOrWhiteSpace(template))
{
return("");
}
return(Format(template, model));
}
private object EvaluateParameter(string name, Models.TemplateModel model)
{
object val = "";
if (String.Compare(name, "value", true) == 0)
{
val = model.Value;
}
else
{
int dotPos = name.IndexOf(".");
if (dotPos == -1)
{
throw new FormatException("Format item missing prefix: " + name);
}
string prefix = name.Substring(0, dotPos).Trim().ToLower();
string suffix = name.Substring(dotPos + 1);
switch (prefix)
{
case "model":
val = ReflectPropertyValue(model.Item, suffix);
break;
case "row":
if (!model.Row.Cells.ContainsKey(suffix))
{
throw new Exception("Cannot access cell '" + suffix + "' in current row. It does not exist or has not yet been evaluated");
}
val = model.Row.Cells[suffix].HtmlText;
break;
default:
throw new Exception("Invalid prefix in format string: " + prefix);
}
}
return(val);
}
private string Format(string format, Models.TemplateModel model)
{
int currentPos = 0;
StringBuilder sbResult = new StringBuilder();
StringBuilder sbItem = new StringBuilder();
int fStart = 0;
bool inside = false;
int len = format.Length;
while (true)
{
char c = format[currentPos];
if (c == '{')
{
if (inside)
{
FormatError();
}
else if (currentPos < (len - 1) && format[currentPos + 1] == '{') //escape char
{
sbResult.Append('{');
currentPos++;
}
else
{
fStart = currentPos;
inside = true;
}
}
else if (c == '}')
{
if (currentPos < (len - 1) && format[currentPos + 1] == '}')
{
sbResult.Append('}');
currentPos++;
}
else
{
if (!inside)
{
FormatError();
}
inside = false;
string name = sbItem.ToString();
Console.WriteLine(name);
sbItem.Clear();
sbResult.Append(EvaluateParameter(name, model));
}
}
else
{
if (inside)
{
sbItem.Append(c);
}
else
{
sbResult.Append(c);
}
}
currentPos++;
if (currentPos == format.Length)
{
break;
}
}
if (inside)
{
FormatError();
}
return(sbResult.ToString());
}
