public static LispIDEConfigSection GetSection(ConfigurationUserLevel configLevel)
{
string appData = Environment.GetFolderPath(
Environment.SpecialFolder.ApplicationData);
string localData = Environment.GetFolderPath(
Environment.SpecialFolder.LocalApplicationData);
ExeConfigurationFileMap exeMap = new ExeConfigurationFileMap();
exeMap.ExeConfigFilename = Application.ExecutablePath + ".config";
exeMap.RoamingUserConfigFilename =
Path.Combine(appData, @"LispIDEdotNet\user.config");
exeMap.LocalUserConfigFilename =
Path.Combine(localData, @"LispIDEdotNet\user.config");
System.Configuration.Configuration config =
System.Configuration.ConfigurationManager.OpenMappedExeConfiguration(exeMap,
configLevel);
LispIDEConfigSection configSection = (LispIDEConfigSection)config.GetSection("LispIDEConfig");
if (configSection == null)
{
configSection = new LispIDEConfigSection();
config.Sections.Add("LispIDEConfig", configSection);
}
configSection.config = config;
configSection.configLevel = configLevel;
return(configSection);
}
private void InternalSave(bool external)
{
lock (_lock)
{
if (config != null)
{
try
{
config.Save();
} catch (Exception)
{
/* If the config file was externally modified, we have to load the configuration file
* and merge the changes. Instead of merging, we'll just concern ourselves with the last
* closed instance of the application. This is not the most elegant solution
* but it seems to work. Unfortunately, the save method throws the same exception for
* an externally modified file and an unavailable or locked file. Therefore, we must
* make sure we don't end up in an infinite loop. So, we use the external flag to determine
* if the call to save was internal (and therefore the second iteration) or external.
*/
try
{
if (!external)
{
throw;
}
LispIDEConfigSection configSection = GetSection(this.ConfigLevel);
foreach (ConfigurationProperty property in this.Properties)
{
configSection[property.Name] = this[property];
}
configSection.InternalSave(false);
this.ResetModified();
} catch (Exception)
{
MessageBox.Show("There was an error saving the configuration file.", "Configuration Save Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
}