/// <summary>
/// Get the selected simple and Genre tags and determine if there has been any changes
/// </summary>
private void OnOk(MultiSpinner genreSpinner, Spinner tagSpinner)
{
// Get the selected record from the Genre spinner. If not all of the items are selected then add an entry for each selected item to a new TagGroup
List <TagGroup> selectedGroups = new List <TagGroup>();
if (genreSpinner.SelectionRecord.All(genre => genre) == false)
{
TagGroup group = new TagGroup()
{
Name = FilterManagementModel.GenreTags.Name
};
selectedGroups.Add(group);
// Merge the Spinner's selection record and the Genre tags into a single list and then add to the new group any tags that are selected
IEnumerable <Tuple <bool, Tag> > merged = genreSpinner.SelectionRecord.Zip(FilterManagementModel.GenreTags.Tags, (x, y) => Tuple.Create(x, y));
group.Tags.AddRange(merged.Where(t => (t.Item1 == true)).Select(t => t.Item2));
}
// Get the simple tag
Tag newTag = (tagSpinner.SelectedItemPosition == 0) ? null : Tags.GetTagByName(tagSpinner.SelectedItem.ToString());
// Check for simple or group tag changes
if ((newTag != CurrentlySelectedFilter) || (selectedGroups.Count != CurrentlySelectedTagGroups.Count) ||
(selectedGroups.Any(group => GroupChanged(group)) == true))
{
// Update the FilterManagementModel TagGroups with the possibly updated data from the Adapter
CurrentlySelectedTagGroups.Clear();
CurrentlySelectedTagGroups.AddRange(selectedGroups);
SelectionDelegate?.Invoke(newTag);
}
}
