public async static void WriteTestDataToFileXml()
{
List <SkiRun> skiRuns = new List <SkiRun>();
// initialize the IList of high scores - note: no instantiation for an interface
skiRuns.Add(new SkiRun()
{
ID = 11, Name = "Buck", Vertical = 200, SkiRunImage = "Assets/ski_run_1.jpg"
});
skiRuns.Add(new SkiRun()
{
ID = 22, Name = "Buckaroo", Vertical = 325, SkiRunImage = "Assets/ski_run_2.jpg"
});
skiRuns.Add(new SkiRun()
{
ID = 33, Name = "Hoot Owl", Vertical = 655, SkiRunImage = "Assets/ski_run_3.jpg"
});
skiRuns.Add(new SkiRun()
{
ID = 44, Name = "Shelburg's Chute", Vertical = 1023, SkiRunImage = "Assets/ski_run_4.jpg"
});
skiRuns.Add(new SkiRun()
{
ID = 55, Name = "The Drop", Vertical = 1345, SkiRunImage = "Assets/ski_run_4.jpg"
});
await SkiRunsDataServiceXml.SaveObjectToXml(skiRuns, "SkiRuns.xml");
}
/// <summary>
/// method to update an existing ski run
/// </summary>
/// <param name="skiRun">ski run object</param>
public async void UpdateSkiRun(SkiRun skiRun)
{
DeleteSkiRun(skiRun.ID);
InsertSkiRun(skiRun);
await SkiRunsDataServiceXml.SaveObjectToXml(_skiRuns, "SkiRuns.xml");
}
private async void InitializeDataContext()
{
//
// write fresh data to data file
//
InitializeDataFileXml.WriteTestDataToFileXml();
//
// read and deserialize XML date from the data file and store it in the list of ski runs
SkiRuns = await SkiRunsDataServiceXml.ReadObjectFromXmlFileAsync <List <SkiRun> >("SkiRuns.xml");
SkiRunDataManagerXml skiRunDataManager = new SkiRunDataManagerXml(SkiRuns);
}
/// <summary>
/// method to delete a ski run by ski run ID
/// </summary>
/// <param name="ID"></param>
public async void DeleteSkiRun(int ID)
{
_skiRuns.RemoveAt(GetSkiRunByIndex(ID));
await SkiRunsDataServiceXml.SaveObjectToXml(_skiRuns, "SkiRuns.xml");
}
/// <summary>
/// method to add a new ski run
/// </summary>
/// <param name="_skiRun"></param>
public async void InsertSkiRun(SkiRun skiRun)
{
_skiRuns.Add(skiRun);
await SkiRunsDataServiceXml.SaveObjectToXml(_skiRuns, "SkiRuns.xml");
}
