/// <summary>
///
/// </summary>
/// <param name="key">The key of the item being resolved.</param>
/// <returns></returns>
public TValue this[TKey key]
{
get
{
// Cache hit?
TValue value;
if (ResolvedItems.TryGetValue(key, out value))
{
return(value);
}
// Cache miss
var args = new ResolvableEventArgs <TKey, TValue>(key);
OnResolve(args);
if (args.IsResolved)
{
ResolvedItems.Add(args.ResolvingKey, args.ResolvedItem);
return(args.ResolvedItem);
}
throw new ArgumentOutOfRangeException("key", key, "Unable to resolve");
}
}
private void ReportParameters_Resolve(object sender, ResolvableEventArgs <string, ReportParameter> args)
{
// Prompt the consumer first
var reportParameterElement =
ReportElement.ReportParameters.First(rp => rp.Name.SafeEqualsIgnoreCase(args.ResolvingKey));
args.ResolvedItem = LocalReportsEngineCommon.ElementToObject(reportParameterElement, this);
args.IsResolved = true;
}
private void DataSources_Resolve(object sender, ResolvableEventArgs <string, IResolvedDataSource> args)
{
// Prompt the user first
var dataSourceElement =
ReportElement.DataSources.First(ds => ds.Name.SafeEqualsIgnoreCase(args.ResolvingKey));
args.ResolvedItem = LocalReportsEngineCommon.ElementToObject(dataSourceElement, this);
args.IsResolved = true;
// We need to kick off this event, if the ds was resolved while the report was being refreshed
if (IsReportRefreshing)
{
args.ResolvedItem.OnReportRefreshing();
}
}
protected void OnResolve(ResolvableEventArgs <TKey, TValue> args)
{
var resolveEvent = Resolve;
if (resolveEvent == null)
{
return;
}
foreach (EventHandler <ResolvableEventArgs <TKey, TValue> > invoke in resolveEvent.GetInvocationList())
{
invoke(this, args);
if (args.IsResolved)
{
break;
}
}
}
