public static void DeclareNewCustomReportItem(string itemName, Type type)
{
if (!typeof(ICustomReportItem).IsAssignableFrom(type))
{
throw new ArgumentException("The type does not implement the ICustomReportItem interface: " +
type == null ? "null" : type.Name);
}
if (CustomReportItemEntries == null)
{
RdlEngineConfigInit();
}
// Let's manage doublons, if any.
CustomReportItemEntry item;
if (!CustomReportItemEntries.TryGetValue(itemName, out item))
{
CustomReportItemEntries[itemName] = new CustomReportItemEntry(itemName, type, null);
}
else if (!item.Type.Equals(type))
{
throw new ArgumentException("A different type of CustomReportItem with the same has already been declared.");
}
}
public static ICustomReportItem CreateCustomReportItem(string friendlyTypeName)
{
CustomReportItemEntry crie = null;
if (!CustomReportItemEntries.TryGetValue(friendlyTypeName, out crie))
{
throw new Exception(string.Format("{0} is not a known CustomReportItem type", friendlyTypeName));
}
if (crie.Type == null)
{
throw new Exception(crie.ErrorMsg ??
string.Format("{0} is not a known CustomReportItem type", friendlyTypeName));
}
ICustomReportItem item = (ICustomReportItem)Activator.CreateInstance(crie.Type);
return(item);
}
static void GetCustomReportItem(Dictionary <string, CustomReportItemEntry> crieDir, XmlNode xNode)
{
string friendlyTypeName = null;
string codemodule = null;
string classname = null;
foreach (XmlNode xNodeLoop in xNode.ChildNodes)
{
if (xNodeLoop.NodeType != XmlNodeType.Element)
{
continue;
}
switch (xNodeLoop.Name)
{
case "Type":
friendlyTypeName = xNodeLoop.InnerText;
break;
case "CodeModule":
codemodule = xNodeLoop.InnerText;
break;
case "ClassName":
classname = xNodeLoop.InnerText;
break;
default:
break;
}
}
if (friendlyTypeName == null)
{
return; // nothing to do if no provider specified
}
CustomReportItemEntry crie;
try
{ // load the module early; saves problems with concurrency later
string msg = null;
Type dotNetType = null;
Assembly la = null;
if (codemodule != null && classname != null)
{
// Check to see if previously loaded. Many CustomReportItems share same CodeModule.
Assembly[] allLoadedAss = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly ass in allLoadedAss)
{
// Added "!ass.IsDynamic" to prevent "NotSupportedException" of the property Location (new since framework 4.0) by new dynamic assemblies of the new .NET framework update (2015).
if (!ass.IsDynamic && ass.Location.EndsWith(codemodule, StringComparison.CurrentCultureIgnoreCase))
{
la = ass;
break;
}
}
if (la == null) // not previously loaded?
{
la = Utility.Assembly.AssemblyLoadFrom(codemodule);
}
if (la == null)
{
msg = string.Format("{0} could not be loaded", codemodule);
}
else
{
dotNetType = la.GetType(classname);
}
}
crie = new CustomReportItemEntry(friendlyTypeName, dotNetType, msg);
crieDir.Add(friendlyTypeName, crie);
}
catch (Exception e)
{ // keep exception; if this CustomReportItem is ever used we will see the message
crie = new CustomReportItemEntry(friendlyTypeName, null, e.Message);
crieDir.Add(friendlyTypeName, crie);
}
}