/// <summary>
/// Creates an empty mail merge message.
/// </summary>
public MailMergeMessage()
{
IgnoreEmptyRecipientAddr = true;
DeliveryNotificationOptions = DeliveryNotificationOptions.None;
Priority = MailPriority.Normal;
Xmailer = null;
Headers = new NameValueCollection();
StringAttachments = new List <StringAttachment>();
FileAttachments = new List <FileAttachment>();
StreamAttachments = new List <StreamAttachment>();
BinaryTransferEncoding = TransferEncoding.Base64;
TextTransferEncoding = TransferEncoding.SevenBit;
CharacterEncoding = Encoding.Default;
_textVariableManager = new TextVariableManager
{
CultureInfo = CultureInfo,
ShowNullAs = string.Empty,
ShowEmptyAs = string.Empty
};
_textVariableManager.GetBindingSource().CurrentChanged += RaiseDataChangedEvent;
_textVariableManager.GetBindingSource().CurrentItemChanged += RaiseDataChangedEvent;
_textVariableManager.GetBindingSource().PositionChanged += RaiseDataChangedEvent;
_textVariableManager.GetBindingSource().ListChanged += RaiseDataChangedEvent;
MailMergeMessage msg = this;
MailMergeAddresses = new MailMergeAddressCollection(ref msg);
FileBaseDir = Environment.CurrentDirectory;
}
public string ToString(MailAddressType addrType)
{
TextVariableManager txtMgr = _mailMergeMessage.GetTextVariableManager().Clone();
txtMgr.ShowEmptyAs = txtMgr.ShowNullAs = string.Empty;
var addr = new StringBuilder();
foreach (MailMergeAddress mmAddr in Get(addrType))
{
// copy all bad file names and bad variable names from "main" TextVariableManager
txtMgr.BadFiles.AddRange(_mailMergeMessage.GetTextVariableManager().BadFiles);
txtMgr.BadVariables.AddRange(_mailMergeMessage.GetTextVariableManager().BadVariables);
mmAddr.TextVariableManager = txtMgr;
addr.Append(mmAddr.ToString());
// fill the "main" TextVariableManager with bad file/variable names
_mailMergeMessage.GetTextVariableManager().BadFiles.Clear();
_mailMergeMessage.GetTextVariableManager().BadFiles.AddRange(txtMgr.BadFiles);
_mailMergeMessage.GetTextVariableManager().BadVariables.Clear();
_mailMergeMessage.GetTextVariableManager().BadVariables.AddRange(txtMgr.BadVariables);
addr.Append(", ");
}
if (addr.Length >= 2)
{
addr.Remove(addr.Length - 2, 2);
}
return(addr.ToString());
}
/// <summary>
/// Replaces the text variables by their formatted values.
/// The original text in the argument remains unchanged.
/// </summary>
private StringBuilder ReplaceTextVariablesWithValues(StringBuilder text, List <Variable> textVariables)
{
// work on a copy of the orginal text
var textResult = new StringBuilder(text.ToString());
if (textResult.Length == 0)
{
return(textResult);
}
// first read in all external files - this is done only once - no recursion.
bool textFileWasIncluded = false;
foreach (Variable variable in textVariables.Where(variable => !string.IsNullOrEmpty(variable.Format) && _formatAsFilename == variable.Format.ToLower()))
{
// If a format name called "file" is found, the variable's value is interpreted as a file name
// The file name may contain variables as well.
using (TextVariableManager tvm = Clone())
{
string filename = tvm.Process(variable.Value as string ?? string.Empty);
// add all new bad variable names to the list
foreach (string badVar in tvm.BadVariables.Where(badVar => !BadVariables.Contains(badVar)))
{
BadVariables.Add(badVar);
}
filename = MakeFullPath(filename);
string content = ReadFile(filename);
if (content == null)
{
if (FileVariableErrors == VariableError.ReplaceWithEmptyString)
{
textResult = textResult.Replace(variable.MatchingString, string.Empty);
}
}
else
{
textResult = textResult.Replace(variable.MatchingString, content);
}
textFileWasIncluded = true;
}
}
// if a text file was included, re-search and replace the text for variables
if (textFileWasIncluded)
{
foreach (Variable variable in SearchTextVariables(textResult).Where(variable => variable.Format != _formatAsFilename || FileVariableErrors != VariableError.ShowTextVariable))
{
textResult = textResult.Replace(variable.MatchingString, variable.ToString());
}
}
// Next replace variables for the whole text (including any text files read before).
// If a text file was included, it could again contain variables - but do NOT process
// external text files recursively.
return(textVariables.Aggregate(textResult, (current, variable) => current.Replace(variable.MatchingString, variable.ToString())));
}
/// <summary>
/// Prepares all recipient address and the corresponding header fields of a mail message.
/// </summary>
private void AddAddressesToMailMessage()
{
#region *** Clear MailMessage headers ***
/*
* Not really necessary because we always work on a NEW instance of a MailMessage
*/
//cc, _bcc, _sender, _from, _replyto;
_mailMessage.To.Clear();
_mailMessage.CC.Clear();
_mailMessage.Bcc.Clear();
_mailMessage.ReplyToList.Clear();
_mailMessage.Sender = null;
#endregion
_badMailAddr.Clear();
MailMergeAddress testAddress = null;
foreach (MailMergeAddress mmAddr in MailMergeAddresses.Where(mmAddr => mmAddr.AddrType == MailAddressType.TestAddress))
{
testAddress = new MailMergeAddress(MailAddressType.TestAddress, mmAddr.Address, mmAddr.DisplayName,
mmAddr.DisplayNameCharacterEncoding);
}
// ShowNullsAs MUST be string.empty with email addresses!
TextVariableManager txtMgr = _textVariableManager.Clone();
txtMgr.ShowNullAs = txtMgr.ShowEmptyAs = string.Empty;
foreach (MailMergeAddress mmAddr in MailMergeAddresses)
{
try
{
MailAddress mailAddr;
// use the address part the test mail address (if set) but use the original display name
if (testAddress != null)
{
testAddress.DisplayName = mmAddr.DisplayName;
testAddress.TextVariableManager = txtMgr;
mailAddr = testAddress.GetMailAddress();
}
else
{
mmAddr.TextVariableManager = txtMgr;
mailAddr = mmAddr.GetMailAddress();
}
_badVariableNames.AddRange(txtMgr.BadVariables);
_badInlineFiles.AddRange(txtMgr.BadFiles);
if (IgnoreEmptyRecipientAddr && mailAddr == null)
{
continue;
}
switch (mmAddr.AddrType)
{
case MailAddressType.To:
_mailMessage.To.Add(mailAddr);
break;
case MailAddressType.CC:
_mailMessage.CC.Add(mailAddr);
break;
case MailAddressType.Bcc:
_mailMessage.Bcc.Add(mailAddr);
break;
case MailAddressType.ReplyTo:
_mailMessage.ReplyToList.Add(mailAddr);
break;
case MailAddressType.ConfirmReadingTo:
_mailMessage.Headers.Remove(CConfirmReading);
_mailMessage.Headers.Remove(CDispositionNotification);
_mailMessage.Headers.Add(CConfirmReading, mailAddr.Address);
_mailMessage.Headers.Add(CDispositionNotification, mailAddr.Address);
break;
case MailAddressType.ReturnReceiptTo:
_mailMessage.Headers.Remove(CReturnReceipt);
_mailMessage.Headers.Add(CReturnReceipt, mailAddr.Address);
break;
case MailAddressType.Sender:
_mailMessage.Sender = mailAddr;
break;
case MailAddressType.From:
_mailMessage.From = mailAddr;
break;
}
}
catch (FormatException)
{
_badMailAddr.Add(mmAddr.ToString());
}
}
}
