/// <summary>
/// Handles the state change - displaying the correct state on the UI via
/// progress indicators. Only do this, when we've actually initiated the
/// state change.
/// </summary>
private void HandleRunningStateChange(LiteActionRunningStateMessage runningStateChange)
{
if (runningStateChange.Source == this)
{
// We've initiated the evaluation/displaying of a collection; this could have been
// done because we activated a join-field.
// Dependent on the busy flag, we could do something here
RunningStateDescription = runningStateChange.RunningStateDescription;
IsRunning = runningStateChange.IsRunning;
if (IsRunning)
{
RunningFeature = this.Feature;
}
else
{
if (Object.ReferenceEquals(Feature, RunningFeature))
{
// Notify our UI that things might have changed (causing join fields to display their correct values; if at all)
this.Refresh();
}
this.RunningFeature = null;
}
}
else
{
// We have not initiated the lot
// For now, no-op
}
}
/// <summary>
/// Handles the running state change
/// </summary>
internal void HandleRunningStateChange(LiteActionRunningStateMessage runningStateChange)
{
if (runningStateChange.Source == this)
{
// We sent this request
this.RunningStateDescription = runningStateChange.RunningStateDescription;
this.IsRunning = runningStateChange.IsRunning;
}
}
/// <summary>
/// Handles the change in running state
/// </summary>
private void HandleRunningStateChange(LiteActionRunningStateMessage runningStateMessage)
{
// Propagate the changes to the individual queries; in case one of the queries
// is responsible for the running-state change, make it display the progress indicator.
foreach (var query in this.Queries)
{
query.HandleRunningStateChange(runningStateMessage);
}
if (this.NewQuery != null)
{
this.NewQuery.HandleRunningStateChange(runningStateMessage);
}
}
