public void ChangeSource(string searchText = null)
{
if (!string.IsNullOrWhiteSpace(searchText))
{
var searchItem = MenuItems.Where(s => s.SourceId == -1).First();
searchItem.SearchPhrase = searchText;
if (SelectedSource == searchItem)
{
MasterDetailViewModel.ChangeSource(SelectedSource);
}
else
{
SelectedSource = searchItem;
}
}
}
public void UpdateViewModel()
{
SelectedSource = MenuItems.Where(s => s.SourceId == 1).FirstOrDefault();
var items = MenuItems.Where(item => item.SourceId > 1).ToList();
foreach (var item in items)
{
MenuItems.Remove(item);
}
foreach (var source in Source.AllSources)
{
var sourceVm = new SourceViewModel(source);
if (sourceVm.IsEnable)
{
MenuItems.Add(sourceVm);
}
}
}
private void InitViewModel()
{
MenuItems = new ObservableCollection<SourceViewModel>
{
new SourceViewModel(new Source {SourceName = "Поиск", SourceId = -1}),
new SourceViewModel(new Source { SourceName = "Лента", SourceId = 1 })
};
foreach (var source in Source.AllSources)
{
var sourceVm = new SourceViewModel(source);
if (sourceVm.IsEnable)
{
MenuItems.Add(sourceVm);
}
}
SelectedSource = MenuItems.Where(s => s.SourceId == 1).FirstOrDefault();
}