Allow drag & drop of multiple mods or folders with Control.

OtterGui

@@ -1 +1 @@
-Subproject commit 86ec4d72c9c9ed57aa7be4a7d0c81069c5b94ad7
+Subproject commit 9c7a3147f6e64e93074bc318a52b0723efc6ffff

Penumbra/UI/ModsTab/ModFileSystemSelector.cs

@@ -42,7 +42,7 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
     public ModFileSystemSelector(KeyState keyState, CommunicatorService communicator, ModFileSystem fileSystem, ModManager modManager,
         CollectionManager collectionManager, Configuration config, TutorialService tutorial, FileDialogService fileDialog, ChatService chat,
         ModImportManager modImportManager, IDragDropManager dragDrop)
-        : base(fileSystem, keyState, HandleException)
+        : base(fileSystem, keyState, HandleException, allowMultipleSelection: true)
     {
         _communicator      = communicator;
         _modManager        = modManager;
@@ -341,7 +341,7 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
 
     private void DrawHelpPopup()
     {
-        ImGuiUtil.HelpPopup("ExtendedHelp", new Vector2(1000 * UiHelpers.Scale, 34.5f * ImGui.GetTextLineHeightWithSpacing()), () =>
+        ImGuiUtil.HelpPopup("ExtendedHelp", new Vector2(1000 * UiHelpers.Scale, 36.5f * ImGui.GetTextLineHeightWithSpacing()), () =>
         {
             ImGui.Dummy(Vector2.UnitY * ImGui.GetTextLineHeight());
             ImGui.TextUnformatted("Mod Management");
@@ -380,6 +380,10 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
             indent.Pop(1);
             ImGui.BulletText(
                 "You can drag and drop mods and subfolders into existing folders. Dropping them onto mods is the same as dropping them onto the parent of the mod.");
+            indent.Push();
+            ImGui.BulletText("You can select multiple mods and folders by holding Control while clicking them, and then drag all of them at once." );
+            ImGui.BulletText("Selected mods inside an also selected folder will be ignored when dragging and move inside their folder instead of directly into the target.");
+            indent.Pop(1);
             ImGui.BulletText("Right-clicking a folder opens a context menu.");
             ImGui.BulletText("Right-clicking empty space allows you to expand or collapse all folders at once.");
             ImGui.BulletText("Use the Filter Mods... input at the top to filter the list for mods whose name or path contain the text.");
@@ -471,7 +475,7 @@ public sealed class ModFileSystemSelector : FileSystemSelector<Mod, ModFileSyste
 
         var leaf = (ModFileSystem.Leaf?)FileSystem.Root.GetAllDescendants(ISortMode<Mod>.Lexicographical)
             .FirstOrDefault(l => l is ModFileSystem.Leaf m && m.Value.ModPath.FullName == _lastSelectedDirectory);
-        Select(leaf);
+        Select(leaf, AllowMultipleSelection);
         _lastSelectedDirectory = string.Empty;
     }
 

Penumbra/UI/ModsTab/ModPanel.cs

@@ -1,5 +1,11 @@
 using System;
+using System.Linq;
+using System.Numerics;
+using Dalamud.Interface;
 using Dalamud.Plugin;
+using ImGuiNET;
+using OtterGui;
+using OtterGui.Raii;
 using Penumbra.Mods;
 using Penumbra.UI.AdvancedWindow;
 
@@ -24,7 +30,10 @@ public class ModPanel : IDisposable
     public void Draw()
     {
         if (!_valid)
+        {
+            DrawMultiSelection();
             return;
+        }
 
         _header.Draw();
         _tabs.Draw(_mod);
@@ -36,6 +45,45 @@ public class ModPanel : IDisposable
         _header.Dispose();
     }
 
+    private void DrawMultiSelection()
+    {
+        if (_selector.SelectedPaths.Count == 0)
+            return;
+
+        var sizeType             = ImGui.GetFrameHeight();
+        var availableSizePercent = (ImGui.GetContentRegionAvail().X - sizeType - 4 * ImGui.GetStyle().CellPadding.X) / 100;
+        var sizeMods             = availableSizePercent * 35;
+        var sizeFolders          = availableSizePercent * 65;
+
+        ImGui.NewLine();
+        ImGui.TextUnformatted("Currently Selected Objects");
+        ImGui.Separator();
+        using var table = ImRaii.Table("mods", 3, ImGuiTableFlags.RowBg);
+        ImGui.TableSetupColumn("type", ImGuiTableColumnFlags.WidthFixed, sizeType);
+        ImGui.TableSetupColumn("mod",  ImGuiTableColumnFlags.WidthFixed, sizeMods);
+        ImGui.TableSetupColumn("path", ImGuiTableColumnFlags.WidthFixed, sizeFolders);
+
+        var i = 0;
+        foreach (var (fullName, path) in _selector.SelectedPaths.Select(p => (p.FullName(), p))
+                     .OrderBy(p => p.Item1, StringComparer.OrdinalIgnoreCase))
+        {
+            using var id = ImRaii.PushId(i++);
+            ImGui.TableNextColumn();
+            var icon = (path is ModFileSystem.Leaf ? FontAwesomeIcon.FileCircleMinus : FontAwesomeIcon.FolderMinus).ToIconString();
+            if (ImGuiUtil.DrawDisabledButton(icon, new Vector2(sizeType), "Remove from selection.", false, true))
+                _selector.RemovePathFromMultiselection(path);
+
+            ImGui.TableNextColumn();
+            ImGui.AlignTextToFramePadding();
+            ImGui.TextUnformatted(path is ModFileSystem.Leaf l ? l.Value.Name : string.Empty);
+
+            ImGui.TableNextColumn();
+            ImGui.AlignTextToFramePadding();
+            ImGui.TextUnformatted(fullName);
+        }
+    }
+
+
     private bool _valid;
     private Mod  _mod = null!;