private void MarkFeedRead(RoutedEventArgs e)
{
if (_selectedNode == null)
{
return;
}
SimpleTreeNodeViewModel tvm = (SimpleTreeNodeViewModel)_selectedNode;
if (tvm.Node is Model.Feed)
{
Model.Feed selectedFeed = (Model.Feed)tvm.Node;
Data.Feed df = new Data.Feed(selectedFeed);
df.MarkAllRead();
}
else if (tvm.Node is Model.Host)
{
Model.Host selectedHost = (Model.Host)tvm.Node;
Data.Host dh = new Data.Host(selectedHost);
dh.MarkAllRead();
}
else
{
return;
}
foreach (Article a in Articles)
{
a.Unread = false;
}
}
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 async void DeleteFeed(RoutedEventArgs e)
{
if (_selectedNode == null)
{
return;
}
SimpleTreeNodeViewModel tvm = (SimpleTreeNodeViewModel)_selectedNode;
Model.Feed selectedFeed = null;
if (tvm.Node is Model.Feed)
{
selectedFeed = (Model.Feed)tvm.Node;
}
else
{
return;
}
// Hides browser otherwise dialog gets behind it
IsBrowserVisible = false;
RaisePropertyChanged("IsBrowserVisible");
MessageDialogResult result = await _dialogCoordinator.ShowMessageAsync(this, "Delete Feed", "This action also deletes all downloaded articles and cannot be undone. Are you sure?", MessageDialogStyle.AffirmativeAndNegative);
if (result == MessageDialogResult.Affirmative)
{
string errMsg = null;
try
{
Data.Feed feed = new Data.Feed(selectedFeed);
feed.Delete();
}
catch (Exception ex)
{
errMsg = ex.Message;
}
if (errMsg != null)
{
await _dialogCoordinator.ShowMessageAsync(this, "Edit Feed", "Unable to edit feed with the supplied URL: " + errMsg);
}
}
IsBrowserVisible = true;
RaisePropertyChanged("IsBrowserVisible");
InitializeData(true);
}
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");
}
private async void EditFeed(RoutedEventArgs e)
{
if (_selectedNode == null)
{
return;
}
SimpleTreeNodeViewModel tvm = (SimpleTreeNodeViewModel)_selectedNode;
Model.Feed selectedFeed = null;
if (tvm.Node is Model.Feed)
{
selectedFeed = (Model.Feed)tvm.Node;
}
else
{
if (tvm.Node is Model.Host)
{
try
{
Model.Host selectedHost = (Model.Host)tvm.Node;
IsBrowserVisible = false;
RaisePropertyChanged("IsBrowserVisible");
MetroDialogSettings diagSettings = new MetroDialogSettings();
diagSettings.DefaultText = selectedHost.Zoom.ToString();
var ZoomLevel = await _dialogCoordinator.ShowInputAsync(this, "Set Zoom Level", "Enter the desired zoom level for this host: ", diagSettings);
int prevZoom = selectedHost.Zoom;
selectedHost.Zoom = Int32.Parse(ZoomLevel.ToString());
Data.Host dh = new Data.Host(selectedHost);
dh.Save();
if (prevZoom != selectedHost.Zoom)
{
var msg = new SendSetZoomMessage(selectedHost.Zoom);
msg.SetImmediately = true;
Messenger.Default.Send <SendSetZoomMessage>(msg);
}
}
catch (Exception ex)
{
await _dialogCoordinator.ShowMessageAsync(this, "Set Zoom Level", "Unable to set zoom: " + ex.Message);
}
finally
{
IsBrowserVisible = true;
RaisePropertyChanged("IsBrowserVisible");
}
}
return;
}
// Hides browser otherwise dialog gets behind it
IsBrowserVisible = false;
RaisePropertyChanged("IsBrowserVisible");
MetroDialogSettings dialogSettings = new MetroDialogSettings();
dialogSettings.DefaultText = selectedFeed.Location.ToString();
var FeedText = await _dialogCoordinator.ShowInputAsync(this, "Edit feed", "Enter the URL of the feed:", dialogSettings);
if (FeedText != null)
{
string errMsg = null;
try
{
Uri feedUri = new Uri(FeedText);
Data.Feed f = new Data.Feed(selectedFeed);
f.Location = feedUri;
f.UpdateFromUri(true, RetentionDays);
f.Save(true);
InitializeData(true);
}
catch (Exception ex)
{
errMsg = ex.Message;
}
if (errMsg != null)
{
await _dialogCoordinator.ShowMessageAsync(this, "Edit Feed", "Unable to edit feed with the supplied URL: " + errMsg);
}
}
IsBrowserVisible = true;
RaisePropertyChanged("IsBrowserVisible");
}