public override async Task <bool> Populate(PopulateReason reason, string parameter)
{
SearchLocation = string.IsNullOrEmpty(parameter) ? "Stockholm,SE" : parameter;
if (reason == PopulateReason.New)
{
await LoadCurrentWeatherAsync();
await LoadForecastsAsync();
}
return(true);
}
public virtual async Task LoadAsync(PopulateReason reason)
{
bool populated = false;
AddBusy();
if (reason == PopulateReason.New || reason == PopulateReason.Back)
{
populated = await Populate(reason);
}
if (await RequestAsync() || (!populated && reason != PopulateReason.Refresh))
{
await Populate(PopulateReason.DataLoaded);
}
if (reason != PopulateReason.Refresh)
{
FirePopulateComplete();
}
ReleaseBusy();
}
public virtual async Task LoadAsync(PopulateReason reason, T parameter)
{
bool populated = false;
if (parameter != null)
{
_parameter = parameter;
}
AddBusy();
if (reason == PopulateReason.New || reason == PopulateReason.Back)
{
populated = await Populate(reason, parameter);
}
if (await RequestAsync(parameter) || (!populated && reason != PopulateReason.Refresh))
{
await Populate(PopulateReason.DataLoaded, parameter);
}
if (reason != PopulateReason.Refresh)
{
FirePopulateComplete();
}
ReleaseBusy();
}
public virtual Task <bool> Populate(PopulateReason reason)
{
return(Task.Run(() => false));
}
public new Task LoadAsync(PopulateReason reason, T parameter)
{
throw new NotImplementedException();
}
public Task <bool> Populate(PopulateReason reason, T parameter)
{
throw new NotImplementedException();
}
public virtual Task <bool> Populate(PopulateReason reason, T parameter)
{
//override this in your derived class to set your properties
return(Task.Run(() => false));
}
