public static bool TryLoadLocation(string rootPath, bool enabled, out InstallationLocation location)
{
string autoUpdatePath = System.IO.Path.Combine(rootPath ?? ".", AUTO_UPDATE_CONFIG);
string version;
// XXX can we register for changes on these files without breaking DCS? how does that work in Windows?
if (File.Exists(autoUpdatePath))
{
version = JsonConvert.DeserializeObject <AutoUpdateConfig>(File.ReadAllText(autoUpdatePath)).Version;
}
else
{
string exePath = System.IO.Path.Combine(rootPath ?? ".", "bin", "DCS.exe");
if (File.Exists(exePath))
{
version = ExtractFileVersion(exePath);
}
else
{
// fail, which happens for stale settings
location = null;
return(false);
}
}
location = new InstallationLocation(rootPath, version, enabled);
return(true);
}
private static void OnChangeEnabled(DependencyObject target, DependencyPropertyChangedEventArgs e)
{
InstallationLocation location = (InstallationLocation)target;
if (_suppressEvents)
{
return;
}
location.UpdateSettings();
location.NotifyChangeEnabled();
}
internal bool TryRemove(InstallationLocation oldItem)
{
if (oldItem == null)
{
return(false);
}
if (!Items.Remove(oldItem))
{
return(false);
}
oldItem.DeleteSettings();
Removed?.Invoke(this, new LocationEvent(oldItem));
return(true);
}
private void DoAdd(InstallationLocation newItem)
{
newItem.ChangeEnabled += (sender, e) =>
{
InstallationLocation location = (InstallationLocation)sender;
if (location.IsEnabled)
{
Enabled?.Invoke(this, new LocationEvent(location));
}
else
{
Disabled?.Invoke(this, new LocationEvent(location));
}
};
Items.Add(newItem);
}
private void LoadAll()
{
// load from settings XML
_suppressWrites = true;
try
{
foreach (InstallationLocation item in InstallationLocation.ReadSettings())
{
DoAdd(item);
}
IsRemote = ConfigManager.SettingsManager.LoadSetting("DCSInstallation", "IsRemote", false);
}
finally
{
_suppressWrites = false;
}
}
internal bool TryAdd(InstallationLocation newItem)
{
// scan list; O(n) but this is a UI action
if (Items.Any(existing => existing.Path.Equals(newItem.Path, StringComparison.CurrentCultureIgnoreCase)))
{
return(false);
}
// add to our collection and register handlers
DoAdd(newItem);
// write it to settings file
newItem.UpdateSettings();
// notify our customers
Added?.Invoke(this, new LocationEvent(newItem));
return(true);
}
public static bool TryBrowseLocation(string selectedFile, out InstallationLocation location)
{
string rootPath;
string shortName = System.IO.Path.GetFileName(selectedFile);
if (shortName.Equals(DCS_EXE, StringComparison.InvariantCultureIgnoreCase))
{
// user picked DCS.exe, maybe this is Steam or maybe they just chose to
rootPath = System.IO.Path.GetDirectoryName(System.IO.Path.GetDirectoryName(selectedFile));
}
else
{
rootPath = System.IO.Path.GetDirectoryName(selectedFile);
}
Debug.Assert(rootPath != null,
"a file path we retrieved from open file dialog should not have a null directory");
return(TryLoadLocation(rootPath, true, out location));
}
/// <summary>
/// parses the options.lua file from DCS or returns false if it cannot
/// </summary>
/// <param name="location"></param>
/// <param name="options"></param>
/// <returns></returns>
public static bool TryReadOptions(InstallationLocation location, out DCSOptions options)
{
string optionsPath = location.OptionsPath;
if (!File.Exists(optionsPath))
{
options = null;
return(false);
}
try
{
string optionsText = File.ReadAllText(optionsPath);
NLua.Lua parser = new NLua.Lua();
parser.DoString(optionsText, "options.lua");
object graphics = parser.GetObjectFromPath("options.graphics");
if (graphics is NLua.LuaTable graphicsTable &&
graphicsTable["width"] is long width &&
graphicsTable["height"] is long height &&
graphicsTable["multiMonitorSetup"] is string multiMonitorSetup)
{
options = new DCSOptions
{
Graphics = new GraphicsTable(width, height, multiMonitorSetup)
};
return(true);
}
}
catch (Exception ex)
{
// this is sort of ok, we might not have access, so we just don't check this part
Logger.Info(ex, "failed to read DCS-owned options.lua file; Helios will not be able to check settings");
}
options = null;
return(false);
}
internal LocationEvent(InstallationLocation location)
{
Location = location;
}
