Penumbra/Penumbra/UI/Tabs/CollectionsTab.cs

using System;
using System.Numerics;
using Dalamud.Game.ClientState.Objects;
using Dalamud.Interface;
using Dalamud.Plugin;
using ImGuiNET;
using OtterGui;
using OtterGui.Raii;
using OtterGui.Widgets;
using Penumbra.Collections.Manager;
using Penumbra.Mods.Manager;
using Penumbra.Services;
using Penumbra.UI.Classes;
using Penumbra.UI.CollectionTab;

namespace Penumbra.UI.Tabs;

public class CollectionsTab : IDisposable, ITab
{
    private readonly Configuration      _config;
    private readonly CollectionSelector _selector;
    private readonly CollectionPanel    _panel;
    private readonly TutorialService    _tutorial;

    public enum PanelMode
    {
        SimpleAssignment,
        IndividualAssignment,
        GroupAssignment,
        Details,
    };

    public PanelMode Mode
    {
        get => _config.CollectionPanel;
        set
        {
            _config.CollectionPanel = value;
            _config.Save();
        }
    }

    public CollectionsTab(DalamudPluginInterface pi, Configuration configuration, CommunicatorService communicator,
        CollectionManager collectionManager, ModStorage modStorage, ActorService actors, TargetManager targets, TutorialService tutorial)
    {
        _config   = configuration;
        _tutorial = tutorial;
        _selector = new CollectionSelector(configuration, communicator, collectionManager.Storage, collectionManager.Active, _tutorial);
        _panel    = new CollectionPanel(pi, communicator, collectionManager, _selector, actors, targets, modStorage);
    }

    public void Dispose()
    {
        _selector.Dispose();
        _panel.Dispose();
    }

    public ReadOnlySpan<byte> Label
        => "Collections"u8;

    public void DrawContent()
    {
        var       width = ImGui.CalcTextSize("nnnnnnnnnnnnnnnnnnnnnnnnnn").X;
        using (var group = ImRaii.Group())
        {
            _selector.Draw(width);
        }
        _tutorial.OpenTutorial(BasicTutorialSteps.EditingCollections);

        ImGui.SameLine();
        using (var group = ImRaii.Group())
        {
            DrawHeaderLine();
            DrawPanel();
        }
    }

    public void DrawHeader()
    {
        _tutorial.OpenTutorial(BasicTutorialSteps.Collections);
    }

    private void DrawHeaderLine()
    {
        var       withSpacing = ImGui.GetFrameHeightWithSpacing();
        using var style       = ImRaii.PushStyle(ImGuiStyleVar.FrameRounding, 0).Push(ImGuiStyleVar.ItemSpacing, Vector2.Zero);
        var       buttonSize  = new Vector2((ImGui.GetContentRegionAvail().X - withSpacing) / 4f, ImGui.GetFrameHeight());

        using var _     = ImRaii.Group();
        using var color = ImRaii.PushColor(ImGuiCol.Button, ImGui.GetColorU32(ImGuiCol.TabActive), Mode is PanelMode.SimpleAssignment);
        if (ImGui.Button("Simple Assignments", buttonSize))
            Mode = PanelMode.SimpleAssignment;
        color.Pop();
        _tutorial.OpenTutorial(BasicTutorialSteps.SimpleAssignments);
        ImGui.SameLine();
        
        color.Push(ImGuiCol.Button, ImGui.GetColorU32(ImGuiCol.TabActive), Mode is PanelMode.IndividualAssignment);
        if (ImGui.Button("Individual Assignments", buttonSize))
            Mode = PanelMode.IndividualAssignment;
        color.Pop();
        _tutorial.OpenTutorial(BasicTutorialSteps.IndividualAssignments);
        ImGui.SameLine();

        color.Push(ImGuiCol.Button, ImGui.GetColorU32(ImGuiCol.TabActive), Mode is PanelMode.GroupAssignment);
        if (ImGui.Button("Group Assignments", buttonSize))
            Mode = PanelMode.GroupAssignment;
        color.Pop();
        _tutorial.OpenTutorial(BasicTutorialSteps.GroupAssignments);
        ImGui.SameLine();

        color.Push(ImGuiCol.Button, ImGui.GetColorU32(ImGuiCol.TabActive), Mode is PanelMode.Details);
        if (ImGui.Button("Collection Details", buttonSize))
            Mode = PanelMode.Details;
        color.Pop();
        _tutorial.OpenTutorial(BasicTutorialSteps.CollectionDetails);
        ImGui.SameLine();
        
        style.Push(ImGuiStyleVar.FrameBorderSize, ImGuiHelpers.GlobalScale);
        color.Push(ImGuiCol.Text, ColorId.FolderExpanded.Value())
            .Push(ImGuiCol.Border, ColorId.FolderExpanded.Value());
        if (ImGuiUtil.DrawDisabledButton(
                $"{(_selector.IncognitoMode ? FontAwesomeIcon.Eye : FontAwesomeIcon.EyeSlash).ToIconString()}###IncognitoMode",
                buttonSize with { X = withSpacing }, string.Empty, false, true))
            _selector.IncognitoMode = !_selector.IncognitoMode;
        var hovered = ImGui.IsItemHovered();
        _tutorial.OpenTutorial(BasicTutorialSteps.Incognito);
        color.Pop(2);
        if (hovered)
            ImGui.SetTooltip(_selector.IncognitoMode ? "Toggle incognito mode off." : "Toggle incognito mode on.");
    }

    private void DrawPanel()
    {
        using var style = ImRaii.PushStyle(ImGuiStyleVar.ItemSpacing, Vector2.Zero);
        using var child = ImRaii.Child("##CollectionSettings", new Vector2(ImGui.GetContentRegionAvail().X, 0), true);
        if (!child)
            return;

        style.Pop();
        switch (Mode)
        {
            case PanelMode.SimpleAssignment:
                _panel.DrawSimple();
                break;
            case PanelMode.IndividualAssignment:
                _panel.DrawIndividualPanel();
                break;
            case PanelMode.GroupAssignment:
                _panel.DrawGroupPanel();
                break;
            case PanelMode.Details:
                _panel.DrawDetailsPanel();
                break;
        }

        style.Push(ImGuiStyleVar.ItemSpacing, Vector2.Zero);
    }
}