public bool SaveMainConfiguration(string fileName, bool saveAs)
{
try
{
if (!sourceModel.IsValidForSave() || !EnvironmentsCanSave())
{
uiService.ShowError(Resources.SaveConfigurationInvalidError);
return(false);
}
if (String.IsNullOrEmpty(fileName))
{
return(SaveAs());
}
if (!EnsureCanSaveConfigurationFile(fileName))
{
return(false);
}
if (saveAs && !string.IsNullOrEmpty(this.configurationFileName) && File.Exists(this.configurationFileName))
{
File.Copy(this.configurationFileName, fileName, true);
// make the target file writable (it may have inherited the read-only attribute from the original file)
FileAttributes attributes = File.GetAttributes(fileName);
File.SetAttributes(fileName, attributes & ~FileAttributes.ReadOnly);
}
using (var configurationSource = new DesignConfigurationSource(fileName))
{
var saved = sourceModel.Save(configurationSource);
if (!saved)
{
return(false);
}
}
ConfigurationFilePath = fileName;
return(true);
}
catch (Exception ex)
{
ConfigurationLogWriter.LogException(ex);
uiService.ShowMessageWpf(string.Format(CultureInfo.CurrentCulture, Resources.SaveApplicationErrorMessage, ex.Message),
Resources.SaveApplicationErrorMessageTitle, MessageBoxButton.OK);
return(false);
}
}
public bool EnsureCanSaveConfigurationFile(string configurationFile)
{
if (!File.Exists(configurationFile))
{
using (var textWriter = File.CreateText(configurationFile))
{
textWriter.WriteLine("<configuration />");
textWriter.Close();
}
}
else
{
var fileIsInvalidConfigurationFile = false;
try
{
using (var source = new FileConfigurationSource(configurationFile))
{
source.GetSection("applicationSettings");
}
}
catch (Exception ex)
{
ConfigurationLogWriter.LogException(ex);
var warningResults = uiService.ShowMessageWpf(
string.Format(CultureInfo.CurrentCulture, Resources.PromptSaveOverFileThatCannotBeReadFromWarningMessage,
configurationFile),
Resources.PromptSaveOverFileThatCannotBeReadFromWarningTitle,
MessageBoxButton.OKCancel);
if (warningResults == MessageBoxResult.Cancel)
{
return(false);
}
fileIsInvalidConfigurationFile = true;
}
var attributes = File.GetAttributes(configurationFile);
if ((attributes | FileAttributes.ReadOnly) == attributes)
{
var overwriteReadonlyDialogResult = uiService.ShowMessageWpf(
string.Format(CultureInfo.CurrentCulture, Resources.PromptOverwriteReadonlyFileMessage,
configurationFile),
Resources.PromptOverwriteReadonlyFiletitle,
MessageBoxButton.YesNoCancel);
switch (overwriteReadonlyDialogResult)
{
case MessageBoxResult.No:
return(SaveAs());
case MessageBoxResult.Yes:
File.SetAttributes(configurationFile, attributes ^ FileAttributes.ReadOnly);
break;
default:
return(false);
}
}
if (fileIsInvalidConfigurationFile)
{
File.Delete(configurationFile);
using (var textWriter = File.CreateText(configurationFile))
{
textWriter.WriteLine("<configuration />");
}
}
}
return(true);
}