/// <summary>
/// Load a file into memory.
/// </summary>
///
/// This function will load a file into memory replacing
/// whatever is already loaded.
///
/// <param name="filename">The name and path of the file to load</param>
/// <returns>Returns true if the file was successfully loaded,
/// otherwise false is returned.</returns>
///
private bool LoadFile(String filename)
{
bool retval = false;
try
{
Autonomous_x.RouteGroup programList = null;
programList = Autonomous_x.RouteGroup.Load(filename);
if (programList != null)
{
SaveFilename = filename;
AddNewRoute(programList);
}
retval = true;
}
catch (Exception ex)
{
String msg = String.Format("Unable to load JSON file\n{0}", ex.Message);
MessageBox.Show(msg, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
retval = false;
}
return(retval);
}
/// <summary>
/// Kick off the process to load the data structure.
/// </summary>
///
/// See Save for a little bit more information on the process.
/// See also the JsonConvert class for more detailed information
/// on its workings.
///
/// <param name="filepath">The name of the file to load</param>
///
/// <returns>Returns true if the load is successful, otherwise false is
/// returned.</returns>
///
public static RouteGroup Load(String filepath)
{
RouteGroup retval = null;
using (StreamReader sr = new StreamReader(filepath))
{
String json;
json = sr.ReadToEnd();
retval = JsonConvert.DeserializeObject <RouteGroup>(json);
}
return(retval);
}
/// <summary>
/// Create a new empty route and add it to the program list.
/// </summary>
///
/// This function sets the program modes to be the provided
/// program list.
///
/// <param name="programList">The new program list to use</param>
///
private void AddNewRoute(Autonomous_x.RouteGroup programList)
{
mProgramModes = programList;
UpdateRouteList();
ProgramModeLB.SelectedIndex = 0;
}