/// <summary>
/// Updates mail data
/// </summary>
public void RefreshMail()
{
if (AttachedFileList != null)
{
AttachedFileList.Clear();
}
ObservableCollection <MailHeader> tempMailList = MailHandler.GetMailHeaders(asb.Text);
//If no mail was found on server, display error dialog
if (tempMailList == null)
{
DisplayErrorDialog("Mail error", "No mail found. Try again!");
}
//If mail was found, replace MailHeaderList with the list with new mail and update UI
else
{
if (MailHeaderList != null)
{
MailHeaderList.Clear();
}
MailHeaderList = tempMailList;
Bindings.Update(); //Updates the ListView data
CurrentMessage = MailHandler.GetSpecificMail(MailHeaderList[0].UniqueId);
MailListView.SelectedIndex = 0;
HandleAttachmentsAsync(CurrentMessage);
SetContent(CurrentMessage);
}
}
/// <summary>
/// Handles event when user clicks the listview - sets the clicked mail´s content to the webview&listview
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MailListView_ItemClicked(object sender, ItemClickEventArgs e)
{
AttachedFileList.Clear();
MailHeader msg = (MailHeader)e.ClickedItem;
CurrentMessage = MailHandler.GetSpecificMail(msg.UniqueId);
HandleAttachmentsAsync(CurrentMessage);
SetContent(CurrentMessage);
}
/// <summary>
/// Converts attachments to AttachedFile(s)
/// </summary>
/// <param name="message"></param>
private async void HandleAttachmentsAsync(MimeMessage message)
{
byte[] byteArray;
//If Attachments is not empty
if (message.Attachments.Count() != 0)
{
AttachedFilesListView.Visibility = Visibility.Visible;
foreach (var attachment in message.Attachments)
{
var fileName = attachment.ContentDisposition?.FileName ?? attachment.ContentType.Name;
byteArray = HelperUtils.ConvertAttachmentToByteArray(attachment);
if (byteArray == null)
{
DisplayErrorDialog("Attachment error", "Error displaying attachments");
return;
}
//Converts byte[] to StorageFile
StorageFile storageFile = await HelperUtils.ConvertsToStorageFileAsync(byteArray, fileName);
if (storageFile != null)
{
//Creates new AttachedFile and adds it to AttachedFileList
AttachedFileList.Add(new AttachedFile
{
FileName = storageFile.Name,
Thumbnail = await storageFile.GetThumbnailAsync(ThumbnailMode.ListView)
});
}
}
}
else
{
//Makes the listview invisible, since there are no attachments to show
AttachedFilesListView.Visibility = Visibility.Collapsed;
}
}
