/// <summary>
/// Start retieval of requested depiction type list for the supplied hitlist
/// </summary>
/// <param name="qc"></param>
/// <param name="color"></param>
/// <param name="align"></param>
/// <param name="getAdditionalDataDelegate"></param>
public void StartDepictionRetrieval(
QueryManager qm,
QueryColumn qc,
bool color,
bool align)
{
int i = SmallWorldData.GetSvgOptionsIndex(color, align);
if (Status[i] != 0)
{
return; // just return if already requested
}
string mcName = qc.MetaColumn.MetaTableDotMetaColumnName;
string command = "GetDepictions " + mcName + " " + color + " " + align;
QeGetAdditionalDataDelegate gadd = new QeGetAdditionalDataDelegate(qm.QueryEngine.GetAdditionalData);
DepictionRetrievalArgs a = new DepictionRetrievalArgs();
a.qm = qm;
a.qc = qc;
a.color = color;
a.align = align;
a.reqId = ++CurrentRequestId;
a.startTime = DateTime.Now;
Status[i] = a.reqId; // indicate requested
if (Debug)
{
DebugLog.Message("StartDepictionRetrieval " + CurrentRequestId + ", Mc " + mcName + ", Hilight " + color + ", Align " + align);
}
gadd.BeginInvoke(command, new AsyncCallback(DepictionRetrievalComplete), a);
return;
}
/// <summary>
/// Retrieval complete. Update cache and request display of values
/// </summary>
/// <param name="r"></param>
void DepictionRetrievalComplete(IAsyncResult r)
{
try
{
QeGetAdditionalDataDelegate d = (r as AsyncResult).AsyncDelegate as QeGetAdditionalDataDelegate;
DepictionRetrievalArgs a = r.AsyncState as DepictionRetrievalArgs;
int i = SmallWorldData.GetSvgOptionsIndex(a.color, a.align);
Status[i] = -Status[i]; // set to negative to indicate complete
string depictionsListString = d.EndInvoke(r) as string;
SvgDict[i] = Deserialize(depictionsListString);
int count = SvgDict[i].Count;
if (Debug)
{
DebugLog.Message("DepictionRetrievalComplete " + a.reqId + ", Current: " + (a.reqId == CurrentRequestId) +
", Count: " + count + ", Time: " + LogFile.FormatElapsedTimeInMs(a.startTime));
}
if (a.reqId == CurrentRequestId) // if latest request then display
{
QueryManager qm = a.qm;
MoleculeGridControl grid = qm.MoleculeGrid;
if (grid.InvokeRequired) // use invoke if not on UI thread
{
grid.Invoke(new MethodInvoker(grid.RefreshDataSourceMx));
}
else
{
grid.RefreshDataSourceMx();
}
}
}
catch (Exception ex)
{
DebugLog.Message("DepictionRetrievalComplete exception: " + DebugLog.FormatExceptionMessage(ex));
}
}