Penumbra/Penumbra/UI/TabEffective.cs

using System.Linq;
using ImGuiNET;
using Penumbra.Mods;

namespace Penumbra.UI
{
    public partial class SettingsInterface
    {
        private class TabEffective
        {
            private const string LabelTab        = "Effective File List";
            private const float  TextSizePadding = 5f;

            private ModManager _mods => Service< ModManager >.Get();
            private (string, string)[]? _fileList;
            private float               _maxGamePath;

            public TabEffective( SettingsInterface ui )
            {
                RebuildFileList( ui._plugin!.Configuration!.ShowAdvanced );
            }

            public void RebuildFileList( bool advanced )
            {
                if( advanced )
                {
                    _fileList    = _mods.ResolvedFiles.Select( P => ( P.Value.FullName, P.Key ) ).ToArray();
                    _maxGamePath = ( _fileList.Length > 0 ? _fileList.Max( P => ImGui.CalcTextSize( P.Item2 ).X ) : 0f ) + TextSizePadding;
                }
                else
                {
                    _fileList    = null;
                    _maxGamePath = 0f;
                }
            }

            private void DrawFileLine( (string, string) file )
            {
                ImGui.Selectable( file.Item2 );
                ImGui.SameLine();
                ImGui.SetCursorPosX( _maxGamePath );
                ImGui.TextUnformatted( "  <-- " );
                ImGui.SameLine();
                ImGui.Selectable( file.Item1 );
            }

            public void Draw()
            {
                var ret = ImGui.BeginTabItem( LabelTab );
                if( !ret )
                {
                    return;
                }

                if( ImGui.ListBoxHeader( "##effective_files", AutoFillSize ) )
                {
                    foreach( var file in _fileList ?? Enumerable.Empty<(string, string)>() )
                    {
                        DrawFileLine( file );
                    }

                    ImGui.ListBoxFooter();
                }

                ImGui.EndTabItem();
            }
        }
    }
}