private void InitializeData(Boolean refreshTreeView)
{
SetStatusMessage("Loading");
//
// Read from Database
//
_allData = Data.Host.LoadAll();
SetStatusMessage("Loaded");
//
// Update the treeview
//
if (refreshTreeView)
{
//Set selected item
TreeModel.Items[0].IsSelected = true;
RaisePropertyChanged("TreeModel");
SelectedItemChanged(new RoutedPropertyChangedEventArgs <object>(null, TreeModel.Items[0]));
}
//
// Update articles
//
if (_selectedNode != null)
{
SimpleTreeNodeViewModel tvm = (SimpleTreeNodeViewModel)_selectedNode;
if (tvm.Node is Model.Feed)
{
SetStatusMessage("Updating Articles (feed)... ");
Model.Feed selectedFeed = (Model.Feed)tvm.Node;
// Find the feed and add the Articles
foreach (Host h in _allData)
{
Feed f = h.Feeds.FirstOrDefault(el => el.Location.Equals(selectedFeed.Location));
if (f != null)
{
Articles.AddMissing(f.Articles, new ArticleEqualityComparer(), _uiContext);
}
}
}
else if (tvm.Node is Model.Host)
{
SetStatusMessage("Updating Articles (host)... ");
Model.Host selectedHost = (Model.Host)tvm.Node;
// Find the host and add the Articels
Model.Host h = _allData.FirstOrDefault(el => el.Location.Equals(selectedHost.Location));
foreach (Model.Feed feed in h.Feeds)
{
Articles.AddMissing(feed.Articles, new ArticleEqualityComparer(), _uiContext);
}
}
else
{
SetStatusMessage("Updating Articles (article)... ");
foreach (Model.Host h in _allData)
{
foreach (Model.Feed feed in h.Feeds)
{
Articles.AddMissing(feed.Articles, new ArticleEqualityComparer(), _uiContext);
}
}
}
}
if (refreshTreeView)
{
SetStatusMessage("Refreshing Article list");
SetSortOrder();
}
SetStatusMessage("Ready");
}