Penumbra/Penumbra/UI/MenuTabs/TabEffective.cs

using System.IO;
using System.Linq;
using Dalamud.Interface;
using ImGuiNET;
using Penumbra.GameData.Util;
using Penumbra.Meta;
using Penumbra.Mods;
using Penumbra.Util;

namespace Penumbra.UI
{
    public partial class SettingsInterface
    {
        private class TabEffective
        {
            private const           string     LabelTab      = "Effective Changes";
            private static readonly string     LongArrowLeft = $"{( char )FontAwesomeIcon.LongArrowAltLeft}";
            private readonly        ModManager _modManager;

            private readonly float _leftTextLength =
                ImGui.CalcTextSize( "chara/human/c0000/obj/body/b0000/material/v0000/mt_c0000b0000_b.mtrl" ).X + 40;

            public TabEffective()
                => _modManager = Service< ModManager >.Get();


            private static void DrawFileLine( FileInfo file, GamePath path )
            {
                ImGui.TableNextColumn();
                Custom.ImGuiCustom.CopyOnClickSelectable( path );

                ImGui.TableNextColumn();
                ImGui.PushFont( UiBuilder.IconFont );
                ImGui.TextUnformatted( LongArrowLeft );
                ImGui.PopFont();
                ImGui.SameLine();
                Custom.ImGuiCustom.CopyOnClickSelectable( file.FullName );
            }

            private static void DrawManipulationLine( MetaManipulation manip, Mod.Mod mod )
            {
                ImGui.TableNextColumn();
                ImGui.Selectable( manip.IdentifierString() );

                ImGui.TableNextColumn();
                ImGui.PushFont( UiBuilder.IconFont );
                ImGui.TextUnformatted( LongArrowLeft );
                ImGui.PopFont();
                ImGui.SameLine();
                ImGui.Selectable( mod.Data.Meta.Name );
            }

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

                const ImGuiTableFlags flags = ImGuiTableFlags.RowBg | ImGuiTableFlags.ScrollX;

                var                 activeCollection = _modManager.Collections.ActiveCollection.Cache!;
                var                 lines            = activeCollection.ResolvedFiles.Count + activeCollection.MetaManipulations.Count;
                ImGuiListClipperPtr clipper;
                unsafe
                {
                    clipper = new ImGuiListClipperPtr( ImGuiNative.ImGuiListClipper_ImGuiListClipper() );
                }

                clipper.Begin( lines );

                if( ImGui.BeginTable( "##effective_changes", 2, flags, AutoFillSize ) )
                {
                    ImGui.TableSetupColumn( "##tableGamePathCol", ImGuiTableColumnFlags.None, _leftTextLength );
                    while( clipper.Step() )
                    {
                        for( var row = clipper.DisplayStart; row < clipper.DisplayEnd; row++ )
                        {
                            ImGui.TableNextRow();
                            if( row < activeCollection.ResolvedFiles.Count )
                            {
                                var file = activeCollection.ResolvedFiles.ElementAt( row );
                                DrawFileLine( file.Value, file.Key );
                            }
                            else
                            {
                                var manip = activeCollection.MetaManipulations.Manipulations.ElementAt(
                                    row - activeCollection.ResolvedFiles.Count );
                                DrawManipulationLine( manip.Item1, manip.Item2 );
                            }
                        }
                    }

                    ImGui.EndTable();
                }

                ImGui.EndTabItem();
            }
        }
    }
}