/// <summary>
/// Handles the Go-To envelope request, actually not doing any Go-To action, but just
/// recording this ins our history for resending later upon request.
/// </summary>
private void HandleGoToEnvelopeRequest(LiteGoToGeometryRequestMessage request, bool force)
{
if (request.StoreInHistory && request != null && !String.IsNullOrEmpty(request.Description) && request.Envelope != null)
{
// In case of default behavior (not forcing), remove any previous references to the same description
// This is very loose, but the description is all the user sees so there is no way of distinguishing
// between two similar descriptions anyway.
if (!force)
{
var description = request.Description;
for (int nr = RecentlyVisitedItems.Count - 1; nr >= 0; nr--)
{
if (String.Compare(description, RecentlyVisitedItems[nr].Description, StringComparison.Ordinal) == 0)
{
RecentlyVisitedItems.RemoveAt(nr);
}
}
}
// Insert the request
RecentlyVisitedItems.Insert(0, request);
if (RecentlyVisitedItems.Count > MaxRecentlyVisitedItems)
{
// We have more than the allowed number of elements; get rid of the least
// recently visited item
RecentlyVisitedItems.RemoveAt(RecentlyVisitedItems.Count - 1);
}
}
// Notify the world that our history has changed
RaisePropertyChanged(HasRecentlyVisitedItemsPropertyName);
}
/// <summary>
/// Sends the GoTo envelope request on the messsenger
/// </summary>
private async void SendGoToEnvelopeRequest(LiteGoToGeometryRequestMessage request)
{
RecentlyVisitedItemsIsVisible = false;
// Allow the UI some breathing time
await TaskEx.Yield();
// Remove the request
RecentlyVisitedItems.Remove(request);
Messenger.Send(request);
}
