/// <summary>
/// Creates a new (unsaved) Document by loading it from the specified Stream, rather than a file on disk.
/// </summary>
/// <param name="fileName">Absolute filename of new document.</param>
/// <param name="docType">Type of document to create.</param>
/// <param name="stream">Stream from which to load the document's contents.</param>
/// <returns></returns>
public Document CreateDocument(string fileName, Type docType, Stream stream, object[] args)
{
// Change it to a unique (not open) name
while (FindOpenDocument(fileName) != null)
{
string name = Path.GetFileName(fileName);
int dotpos = name.IndexOf('.');
string fileBase, fileExt;
if (dotpos >= 0)
{
fileBase = name.Substring(0, dotpos);
fileExt = name.Substring(dotpos, name.Length - dotpos);
}
else
{
fileBase = name;
fileExt = "";
}
Regex regex = new Regex("(.*)\\[(\\d+)\\]$");
Match match = regex.Match(fileBase);
if (match.Success)
{
int val;
if (!Int32.TryParse(match.Groups[2].Value, out val))
{
val = 1;
}
fileBase = match.Groups[1].Value + "[" + (val + 1).ToString() + "]";
}
else
{
fileBase = fileBase + "[2]";
}
fileName = Path.GetDirectoryName(fileName) + Path.DirectorySeparatorChar + fileBase + fileExt;
}
if (docType == null)
{
docType = FindDocumentType(fileName);
}
Document doc;
try
{
doc = CreateAndLoadDocument(fileName, docType, stream, args);
}
catch (Exception ex)
{
DialogResult result = MessageBox.Show(MainWindow, "There was an error opening the document '" + fileName + "':\r\n\r\n" + ex.ToString() + "\r\n\r\nWould you like to try opening it as a text document?", "Error opening document", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (result == DialogResult.Cancel)
{
return(null);
}
else
{
try
{
stream.Seek(0, SeekOrigin.Begin);
doc = CreateAndLoadDocument(fileName, FindDocumentType(".txt"), stream, null);
}
catch (Exception ex2)
{
MessageBox.Show(MainWindow, ex2.ToString(), "Error opening document:", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(null);
}
}
}
mOpenDocuments.Add(doc);
mFileWatcher.AddFile(fileName);
OnDocumentOpened(doc);
return(doc);
}
