public override void Reload()
{
var selectedTagIds = TagButtons.Select(ibvm => ibvm.CurrentTag.Id);
TagButtons.CollectionChanged -= OnTagButtonsChanged;
var selectedOmniId = SelectedOmni?.Id ?? -1;
Context.Dispose();
Context = OmniTagDatabaseContextFactory.GetNewContext();
AllOmnis = Context.Omnis.Where(o => o.DateDeleted == null).OrderBy(o => o.Summary).ToList();
var tags = new ObservableCollection <Tag>(Context.Tags.Where(t => t.DateDeleted == null).OrderBy(t => t.Name).ToList());
TagSearchDataContext.AllValues = tags;
var selectedTagList = tags.Where(t => selectedTagIds.Contains(t.Id))
.ToList()
.Select(t => new TagButtonViewModel(t));
TagButtons = new ObservableCollection <TagButtonViewModel>(selectedTagList);
TagButtons.CollectionChanged += OnTagButtonsChanged;
OnTagButtonsChanged(TagButtons, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
OmniSearchDataContext.SelectedValue = selectedOmniId == -1
? null
: OmniSearchDataContext.AllValues.SingleOrDefault(o => o.Id == selectedOmniId);
}
private void ToggleTagSearch()
{
ShowTagSearch = !ShowTagSearch;
if (!ShowTagSearch)
{
TagButtons.Clear();
}
}
private void RemoveTag(object param)
{
var tagVM = param as TagButtonViewModel;
if (tagVM == null)
{
return;
}
TagButtons.Remove(tagVM);
}
private void OnTagButtonsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (TagButtons.Count == 0)
{
OmniSearchDataContext.AllValues = new ObservableCollection <Omni>(AllOmnis);
}
else
{
OmniSearchDataContext.AllValues = new ObservableCollection <Omni>(
AllOmnis.Where(o => TagButtons.All(vm => o.Tags.Contains(vm.CurrentTag))).ToList()
);
}
}
private void AddTag()
{
Tag tag = TagSearchDataContext.SelectedValue;
if (tag == null)
{
tag = TagSearchDataContext.FilteredTags.SingleOrDefault(t => t.Name == TagSearchDataContext.FullSearchText);
if (tag == null)
{
return;
}
}
if (TagButtons.All(tb => tb.CurrentTag.Name != tag.Name))
{
TagButtons.Add(new TagButtonViewModel(tag));
}
TagSearchDataContext.FullSearchText = String.Empty;
TagSearchDataContext.SelectedValue = null;
}
