private static void setupAttachments(AttachmentsPanel panel, AttachmentFieldValue attachmentFieldValue)
{
if (attachmentFieldValue != null && attachmentFieldValue.AttachmentsProvider != null)
{
if (attachmentFieldValue.AttachmentsProvider.HasAlreadyRetrievedAttachments())
{
MultipleAttachmentsInfo attachments = attachmentFieldValue.AttachmentsProvider.GetAttachments();
panel.setAttachments(attachments);
}
else
{
attachmentFieldValue.AttachmentsProvider.LoadAttachments(attachmentFieldValue.LinkUrl, (o, args) =>
{
panel.Dispatcher.BeginInvoke((Action)delegate
{
if (args == null)
return;
AttachmentsPanel pnl = args.UserState as AttachmentsPanel;
pnl.setAttachments(args.AttachmentInfo);
});
}, (o, args) =>
{
panel.Dispatcher.BeginInvoke((Action)delegate
{
if (args == null || args.Exception == null)
return;
AttachmentsPanel pnl = args.UserState as AttachmentsPanel;
pnl.Error = args.Exception.Message;
pnl.ErrorVisibility = Visibility.Visible;
});
}, panel);
}
}
}
static void OnValueChange(DependencyObject obj, DependencyPropertyChangedEventArgs a)
{
AttachmentsPanel panel = obj as AttachmentsPanel;
if (panel.FieldValue is AttachmentFieldValue)
{
setupAttachments(panel, panel.FieldValue as AttachmentFieldValue);
}
}
private static void setupAttachments(AttachmentsPanel panel, AttachmentFieldValue attachmentFieldValue)
{
if (attachmentFieldValue != null && attachmentFieldValue.AttachmentsProvider != null)
{
if (attachmentFieldValue.AttachmentsProvider.HasAlreadyRetrievedAttachments())
{
MultipleAttachmentsInfo attachments = attachmentFieldValue.AttachmentsProvider.GetAttachments();
panel.setAttachments(attachments);
}
else
{
attachmentFieldValue.AttachmentsProvider.LoadAttachments(attachmentFieldValue.LinkUrl, (o, args) =>
{
panel.Dispatcher.BeginInvoke((Action) delegate
{
if (args == null)
{
return;
}
AttachmentsPanel pnl = args.UserState as AttachmentsPanel;
pnl.setAttachments(args.AttachmentInfo);
});
}, (o, args) =>
{
panel.Dispatcher.BeginInvoke((Action) delegate
{
if (args == null || args.Exception == null)
{
return;
}
AttachmentsPanel pnl = args.UserState as AttachmentsPanel;
pnl.Error = args.Exception.Message;
pnl.ErrorVisibility = Visibility.Visible;
});
}, panel);
}
}
}