private void mediaState_SelectionChanged(object sender, EventArgs e)
{
List <MediaItem> items = new List <MediaItem>();
MediaStateCollectionView.EnterReadLock();
try
{
items = MediaStateCollectionView.getSelectedItems_RLock();
if (items.Count == 0)
{
CurrentPage = null;
}
else
{
CurrentPage = MediaStateCollectionView.IndexOf(new SelectableMediaItem(items[0])) + 1;
}
}
finally
{
MediaStateCollectionView.ExitReadLock();
EventAggregator.GetEvent <MediaSelectionEvent>().Publish(new MediaSelectionPayload(MediaStateCollectionView.Guid, items));
}
}
void buildTagList()
{
List <TagItem> tagItems = new List <TagItem>();
MediaCollectionView.EnterReadLock();
try
{
foreach (SelectableMediaItem media in MediaCollectionView)
{
if (media.Item.ItemState == MediaItemState.LOADED)
{
addTags(media, tagItems);
}
}
}
finally
{
MediaCollectionView.ExitReadLock();
}
App.Current.Dispatcher.BeginInvoke(new Action(() => {
tagsList.Clear();
tagsList.AddRange(tagItems);
ICollectionView view = CollectionViewSource.GetDefaultView(dataGrid.ItemsSource);
view.Refresh();
}));
/*
* App.Current.Dispatcher.BeginInvoke(new Action(() =>
* {
* SortDescription? sortDescription = null;
*
* ICollectionView view = CollectionViewSource.GetDefaultView(dataGrid.ItemsSource);
* if (view != null && view.SortDescriptions.Count > 0)
* {
* sortDescription = view.SortDescriptions[0];
* }
*
* dataGrid.ItemsSource = tagsList.tagItems;
*
* view = CollectionViewSource.GetDefaultView(dataGrid.ItemsSource);
* if (sortDescription == null)
* {
* sortDescription = new SortDescription("Count", ListSortDirection.Descending);
* }
*
* view.SortDescriptions.Add(sortDescription.Value);
* int index = dataGridColumnIndex(sortDescription.Value.PropertyName);
*
* dataGrid.ColumnFromDisplayIndex(index).SortDirection = sortDescription.Value.Direction;
*
* view.Refresh();
*
* }));*/
}
private void mediaState_NrItemsInStateChanged(object sender, EventArgs e)
{
MediaStateCollectionView.EnterReadLock();
try
{
NrPages = MediaStateCollectionView.Count();
MediaItem selectedItem;
int index = MediaStateCollectionView.getSelectedItem_RLock(out selectedItem);
if (index != -1 && (index + 1) != CurrentPage)
{
CurrentPage = index + 1;
}
}
finally
{
MediaStateCollectionView.ExitReadLock();
}
}