private void AddTagsButtons_Click(object sender, EventArgs e)
{
var o = OriginTreeView;
if (o.SelectedNode == null)
{
return;
}
FMCategoriesCollection filteredTags =
sender == AndButton ? TagsFilter.AndTags :
sender == OrButton ? TagsFilter.OrTags :
TagsFilter.NotTags;
// Parent node = category, child node = tag
bool isCategory = o.SelectedNode.Parent == null;
string cat = isCategory ? o.SelectedNode.Text : o.SelectedNode.Parent !.Text;
if (filteredTags.TryGetValue(cat, out FMTagsCollection tags))
{
if (isCategory)
{
tags.Clear();
}
else
{
tags.Add(o.SelectedNode.Text);
}
}
else
{
var item = new FMTagsCollection();
filteredTags.Add(cat, item);
if (!isCategory)
{
item.Add(o.SelectedNode.Text);
}
}
FillTreeView(filteredTags);
}
private static void ReadFilterTags(string tagsToAdd, FMCategoriesCollection existingTags)
{
if (tagsToAdd.IsWhiteSpace())
{
return;
}
// We need slightly different logic for this vs. the FM tag adder, to wit, we support tags of the
// form "category:" (with no tags list). This is because we allow filtering by entire category,
// whereas we don't allow FMs to have categories with no tags in them.
string[] tagsArray = tagsToAdd.Split(CA_CommaSemicolon, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < tagsArray.Length; i++)
{
if (!FMTags.TryGetCatAndTag(tagsArray[i], out string cat, out string tag) ||
cat.IsEmpty())
{
continue;
}
if (existingTags.TryGetValue(cat, out FMTagsCollection tagsList))
{
if (!tag.IsEmpty())
{
tagsList.Add(tag);
}
}
else
{
var newTagsList = new FMTagsCollection();
if (!tag.IsEmpty())
{
newTagsList.Add(tag);
}
existingTags.Add(cat, newTagsList);
}
}
}
