private void SelectedItemChanged(RoutedPropertyChangedEventArgs <object> obj)
{
object selected = obj.NewValue;
if (selected == null)
{
return;
}
if (selected is SimpleTreeNodeViewModel)
{
SimpleTreeNodeViewModel tvm = (SimpleTreeNodeViewModel)selected;
_selectedNode = tvm;
if (tvm.Node is Model.Feed)
{
Articles = new SortableObservableCollection <Model.Article>(((Model.Feed)tvm.Node).Articles);
}
else if (tvm.Node is Model.Host)
{
List <Model.Article> intermediate = new List <Model.Article>();
foreach (Model.Feed feed in ((Model.Host)tvm.Node).Feeds)
{
foreach (Model.Article a in feed.Articles)
{
intermediate.Add(a);
}
}
Articles = new SortableObservableCollection <Model.Article>(intermediate);
}
else
{
if (_articles == null)
{
_articles = new SortableObservableCollection <Article>();
}
_articles.Clear();
foreach (Model.Host h in _allData)
{
foreach (Model.Feed feed in h.Feeds)
{
foreach (Model.Article a in feed.Articles)
{
_articles.Add(a);
}
}
}
}
SortedArticles.SortDescriptions.Clear(); // Clear all
SortedArticles.SortDescriptions.Add(new SortDescription("SortKey", ListSortDirection.Descending)); // Sort descending by "PropertyName"
//Articles.OrderByDescending(el => el.SortKey);
}
RaisePropertyChanged("SortedArticles");
}
private void SelectedItemChanged(RoutedPropertyChangedEventArgs<object> obj)
{
object selected = obj.NewValue;
if (selected == null)
return;
if (selected is SimpleTreeNodeViewModel)
{
SimpleTreeNodeViewModel tvm = (SimpleTreeNodeViewModel)selected;
_selectedNode = tvm;
if (tvm.Node is Model.Feed)
{
Articles = new SortableObservableCollection<Model.Article>(((Model.Feed)tvm.Node).Articles);
}
else if (tvm.Node is Model.Host)
{
List<Model.Article> intermediate = new List<Model.Article>();
foreach (Model.Feed feed in ((Model.Host)tvm.Node).Feeds)
{
foreach (Model.Article a in feed.Articles)
{
intermediate.Add(a);
}
}
Articles = new SortableObservableCollection<Model.Article>(intermediate);
}
else
{
if (_articles == null)
_articles = new SortableObservableCollection<Article>();
_articles.Clear();
foreach (Model.Host h in _allData)
{
foreach (Model.Feed feed in h.Feeds)
{
foreach (Model.Article a in feed.Articles)
{
_articles.Add(a);
}
}
}
}
SortedArticles.SortDescriptions.Clear(); // Clear all
SortedArticles.SortDescriptions.Add(new SortDescription("SortKey", ListSortDirection.Descending)); // Sort descending by "PropertyName"
//Articles.OrderByDescending(el => el.SortKey);
}
RaisePropertyChanged("SortedArticles");
}