public void RevertEvent()
{
if (DetailItem.IsNew)
{
DetailItem = null;
}
else
{
DetailItem.LoadDataModel();
}
}
public async Task DeleteEvent()
{
var detail = DetailItem;
if (detail == null)
{
throw new InvalidOperationException();
}
var selectedItem = SelectedItem;
await detail.Delete();
if (selectedItem != null)
{
Items.Remove(selectedItem);
}
SelectedItem = null;
DetailItem = null;
}
async void UpdateDetails()
{
if (selectedItem == null)
{
DetailItem = null;
}
else if (DetailItem == null || DetailItem.Model.Id != selectedItem.Id)
{
IsLoading = true;
try
{
var item = await LoadDetails(selectedItem.Id);
DetailItem = new EventDetailViewModel(item);
}
catch
{
}
finally
{
IsLoading = false;
}
}
}
public void NewEvent()
{
SelectedItem = null;
DetailItem = new EventDetailViewModel(new Event(), true);
}