private static void WebClient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Error == null)
{
try
{
MatchCollection matchCollection = Regex.Matches(e.Result, WebMatchPatternViewState.Current.WebRegex);
WebMatchPatternViewState.Current.Matches.Clear();
WebMatchPatternViewState.Current.Groups.Clear();
foreach (Match match in matchCollection)
{
WebRegexMatch webRegexMatch = new WebRegexMatch("Match", match.Value);
foreach (Group group in match.Groups)
{
if (group.Name != "0" && !WebMatchPatternViewState.Current.Groups.Contains(group.Name))
{
WebMatchPatternViewState.Current.Groups.Add(group.Name);
}
WebRegexMatch webGroupMatch = new WebRegexMatch(group.Name, group.Value);
webRegexMatch.Children.Add(webGroupMatch);
}
WebMatchPatternViewState.Current.Matches.Add(webRegexMatch);
}
WebMatchPatternViewState.Current.LastWebRegex = WebMatchPatternViewState.Current.WebRegex;
}
catch (ArgumentException argumentEx)
{
ExceptionMessageBox.Show(WebMatchPatternViewState.Title, "The format of the expression " +
$"{Environment.NewLine}{Environment.NewLine}{WebMatchPatternViewState.Current.WebRegex}{Environment.NewLine}{Environment.NewLine}" +
" is not correct.", argumentEx);
}
}
else
{
ExceptionMessageBox.Show(WebMatchPatternViewState.Title, $"The following error occurred when retrieving the content from {WebMatchPatternViewState.Current.WebURL}:", e.Error);
}
WebMatchPatternViewState.Current.IsReady = true;
WebMatchPatternViewState.Current.SelectedGroupIndex = (WebMatchPatternViewState.Current.Groups.Count > 0) ? 0 : -1;
}
static WebMatchPatternCommands()
{
WebMatchPatternCommands.RetrieveCommand = new RelayCommand <Object>
(
delegate
{
WebMatchPatternViewState.Current.IsReady = false;
WebClient webClient = new WebClient()
{
Encoding = Encoding.UTF8
};
webClient.DownloadStringCompleted += WebClient_DownloadStringCompleted;
try
{
Uri uri = new Uri(WebMatchPatternViewState.Current.WebURL);
webClient.DownloadStringAsync(uri);
}
catch (UriFormatException uriFormatEx)
{
ExceptionMessageBox.Show(WebMatchPatternViewState.Title, "The format of the URL " +
$"{Environment.NewLine}{Environment.NewLine}{WebMatchPatternViewState.Current.WebURL}{Environment.NewLine}{Environment.NewLine}" +
" is not correct.", uriFormatEx);
WebMatchPatternViewState.Current.IsReady = true;
}
catch (Exception ex)
{
ExceptionMessageBox.Show(WebMatchPatternViewState.Title, "The following error occurred:", ex);
WebMatchPatternViewState.Current.IsReady = true;
}
finally
{
webClient.Dispose();
}
},
delegate
{
return(!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.WebURL.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.WebRegex.Trim()));
}
);
WebMatchPatternCommands.OpenCommand = new RelayCommand <Object>
(
delegate
{
OpenFileDialog dlg = new OpenFileDialog()
{
Filter = "Web Match Files (*.webmatch)|*.webmatch|All Files (*.*)|*.*"
};
if (dlg.ShowDialog() == true)
{
Int32 i = 0;
String[] values = new String[5];
using (StreamReader streamReader = new StreamReader(dlg.FileName, AdditionalEncodings.UTF8WithoutBOM))
{
using (XmlReader xmlReader = XmlReader.Create(streamReader))
{
while (xmlReader.Read())
{
if (xmlReader.NodeType == XmlNodeType.Text)
{
values[i++] = xmlReader.Value;
}
}
}
}
WebMatchPatternViewState.Current.WebURL = values[0];
WebMatchPatternViewState.Current.WebRegex = values[1];
WebMatchPatternViewState.Current.FileNameRegex = values[2];
WebMatchPatternViewState.Current.FileNameReplacement = values[3];
}
}
);
WebMatchPatternCommands.SaveCommand = new RelayCommand <Object>
(
delegate
{
SaveFileDialog dlg = new SaveFileDialog()
{
Filter = "Web Match Files (*.webmatch)|*.webmatch|All Files (*.*)|*.*"
};
if (dlg.ShowDialog() == true)
{
using (StreamWriter streamWriter = new StreamWriter(dlg.FileName, false, AdditionalEncodings.UTF8WithoutBOM))
{
XmlWriterSettings xmlWriterSettings = new XmlWriterSettings()
{
Indent = true,
IndentChars = "\t",
NewLineOnAttributes = true
};
using (XmlWriter xmlWriter = XmlWriter.Create(streamWriter, xmlWriterSettings))
{
xmlWriter.WriteStartDocument();
xmlWriter.WriteStartElement("BatchRenamer");
xmlWriter.WriteStartElement("WebMatch");
xmlWriter.WriteStartElement("WebURL");
xmlWriter.WriteString(WebMatchPatternViewState.Current.WebURL);
xmlWriter.WriteEndElement();
xmlWriter.WriteStartElement("WebRegex");
xmlWriter.WriteString(WebMatchPatternViewState.Current.WebRegex);
xmlWriter.WriteEndElement();
xmlWriter.WriteStartElement("FileNameRegex");
xmlWriter.WriteString(WebMatchPatternViewState.Current.FileNameRegex);
xmlWriter.WriteEndElement();
xmlWriter.WriteStartElement("FileNameReplacement");
xmlWriter.WriteString(WebMatchPatternViewState.Current.FileNameReplacement);
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
xmlWriter.WriteEndDocument();
}
}
}
},
delegate
{
return(!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.WebURL.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.WebRegex.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.FileNameRegex.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.FileNameReplacement.Trim()));
}
);
WebMatchPatternCommands.PreviewCommand = new RelayCommand <Object>
(
delegate
{
String matchGroupName = WebMatchPatternViewState.Current.Groups[WebMatchPatternViewState.Current.SelectedGroupIndex];
Dictionary <String, PatternFileInfo> fileMatches = new Dictionary <String, PatternFileInfo>();
try
{
foreach (PatternFileInfo item in WebMatchPatternViewState.Current.Files)
{
Match match = Regex.Match(item.FileInfo.NewFileName, WebMatchPatternViewState.Current.FileNameRegex);
foreach (Group group in match.Groups)
{
if (group.Name == matchGroupName &&
!fileMatches.ContainsKey(group.Value))
{
fileMatches.Add(group.Value, item);
}
}
}
}
catch (ArgumentException argumentEx)
{
ExceptionMessageBox.Show(WebMatchPatternViewState.Title, "The format of the expression " +
$"{Environment.NewLine}{Environment.NewLine}{WebMatchPatternViewState.Current.FileNameRegex}{Environment.NewLine}{Environment.NewLine}" +
" is not correct.", argumentEx);
WebMatchPatternViewState.Current.IsError = true;
}
try
{
if (fileMatches.Count > 0)
{
foreach (KeyValuePair <String, PatternFileInfo> pair in fileMatches)
{
WebRegexMatch webMatch = WebMatchPatternViewState.Current.Matches.FirstOrDefault
(m => (m.Children.FirstOrDefault(g => g.Key == matchGroupName).Value == pair.Key));
if (webMatch != null)
{
pair.Value.PreviewFileName = Regex.Replace(webMatch.Value,
WebMatchPatternViewState.Current.LastWebRegex,
WebMatchPatternViewState.Current.FileNameReplacement);
}
}
WebMatchPatternViewState.Current.IsError = false;
}
else
{
MessageBox.Show($"The source expression does not have matched group name {matchGroupName}.", WebMatchPatternViewState.Title, MessageBoxButton.OK, MessageBoxImage.Warning);
WebMatchPatternViewState.Current.IsError = true;
}
}
catch (ArgumentException argumentEx)
{
ExceptionMessageBox.Show(WebMatchPatternViewState.Title, "The format of the replacement pattern " +
$"{Environment.NewLine}{Environment.NewLine}{WebMatchPatternViewState.Current.FileNameReplacement}{Environment.NewLine}{Environment.NewLine}" +
" is not correct.", argumentEx);
WebMatchPatternViewState.Current.IsError = true;
}
},
delegate
{
return(!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.FileNameRegex.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.FileNameReplacement.Trim()));
}
);
WebMatchPatternCommands.ApplyCommand = new RelayCommand <Object>
(
delegate
{
PreviewCommand.Execute(null);
if (WebMatchPatternViewState.Current.IsError)
{
return;
}
foreach (PatternFileInfo item in WebMatchPatternViewState.Current.Files)
{
AppState.Current.Files.First(f => f.OriginalFullPath == item.FileInfo.OriginalFullPath).NewFileName = item.PreviewFileName;
}
WebMatchPatternViewState.Current.Close();
},
delegate
{
return(!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.WebURL.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.WebRegex.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.FileNameRegex.Trim()) &&
!String.IsNullOrEmpty(WebMatchPatternViewState.Current?.FileNameReplacement.Trim()));
}
);
}
