public void ReportProgress(int workProcessed, int totalWork, string statusText, object progressState)
{
RefreshProgressChangedEventArgs refreshProgressChangedEventArgs = new RefreshProgressChangedEventArgs(this, workProcessed, totalWork, statusText, progressState);
this.reportedProgress = true;
this.ShellProgress.ReportProgress(workProcessed, totalWork, statusText);
this.worker.ReportProgress(refreshProgressChangedEventArgs.ProgressPercentage, refreshProgressChangedEventArgs);
}
protected virtual void OnProgressChanged(RefreshProgressChangedEventArgs e)
{
RefreshProgressChangedEventHandler refreshProgressChangedEventHandler = (RefreshProgressChangedEventHandler)base.Events[RefreshableComponent.EventProgressChanged];
if (refreshProgressChangedEventHandler != null)
{
refreshProgressChangedEventHandler(this, e);
}
}
private void worker_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
RefreshProgressChangedEventArgs refreshProgressChangedEventArgs = (RefreshProgressChangedEventArgs)e.UserState;
this.OnProgressChanged(refreshProgressChangedEventArgs);
if (refreshProgressChangedEventArgs.IsFirstProgressReport)
{
ExTraceGlobals.ProgramFlowTracer.TracePerformance <RefreshableComponent, string, string>(0L, "Time:{1}. {2} First batch data arrived in UI thread. {0}", this, ExDateTime.Now.ToString("MM/dd/yyyy HH:mm:ss.fff"), (this is DataTableLoader) ? (this as DataTableLoader).Table.TableName : string.Empty);
this.OnFirstBatchDataArrived(EventArgs.Empty);
}
}
protected override void OnProgressChanged(RefreshProgressChangedEventArgs e)
{
ExTraceGlobals.ProgramFlowTracer.TraceFunction <DataTableLoader>((long)this.GetHashCode(), "-->DataTableLoader.OnProgressChanged: {0}", this);
if (!e.CancellationPending)
{
this.RemoveExistingRows(e);
DataTable dataTable = (DataTable)e.UserState;
if (dataTable != null)
{
this.MoveRows(dataTable, this.Table, true);
}
base.OnProgressChanged(e);
}
ExTraceGlobals.ProgramFlowTracer.TraceFunction <DataTableLoader>((long)this.GetHashCode(), "<--DataTableLoader.OnProgressChanged: {0}", this);
}
protected virtual void RemoveExistingRows(RefreshProgressChangedEventArgs e)
{
if (e.IsFirstProgressReport)
{
ResultsLoaderProfile resultsLoaderProfile = e.RequestArgument as ResultsLoaderProfile;
if (resultsLoaderProfile != null && resultsLoaderProfile.LoadableFromProfilePredicate != null)
{
for (int i = this.Table.Rows.Count - 1; i >= 0; i--)
{
DataRow row = this.Table.Rows[i];
if (resultsLoaderProfile.IsLoadable(row))
{
this.Table.Rows.Remove(row);
}
}
return;
}
if (e.IsFullRefresh)
{
ExTraceGlobals.ProgramFlowTracer.TraceDebug <DataTableLoader>((long)this.GetHashCode(), "DataTableLoader.OnProgressChanged: clearing table as this is the first progress report of this refresh. {0}", this);
this.Table.Clear();
return;
}
PartialRefreshRequestEventArgs partialRefreshRequestEventArgs = e.Request as PartialRefreshRequestEventArgs;
if (partialRefreshRequestEventArgs != null)
{
DataTable dataTable = (DataTable)e.UserState;
foreach (object identity in partialRefreshRequestEventArgs.Identities)
{
if (this.FindRowByIdentity(dataTable, identity) == null)
{
DataRow dataRow = this.FindRowByIdentity(this.Table, identity);
if (dataRow != null)
{
this.Table.Rows.Remove(dataRow);
}
}
}
}
}
}
public RefreshProgressChangedEventArgs(RefreshRequestEventArgs request, int workProcessed, int totalWork, string statusText, object userState) : base(RefreshProgressChangedEventArgs.GetPercentage(workProcessed, totalWork), userState)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
this.request = request;
this.workProcessed = workProcessed;
this.totalWork = totalWork;
this.statusText = statusText;
this.isFirstProgressReport = !request.ReportedProgress;
}
