Screenie/Ui/PluginUi.cs

using System.Numerics;
using ImGuiNET;
using Screenie.Ui.Tabs;
using Screenie.Util;

namespace Screenie.Ui;

internal class PluginUi : IDisposable {
    private Plugin Plugin { get; }
    private List<ITab> Tabs { get; } = [];

    internal bool Visible;

    internal PluginUi(Plugin plugin) {
        this.Plugin = plugin;
        this.Tabs.AddRange([
            new SettingsTab(this.Plugin),
            new DatabaseTab(this.Plugin),
        ]);

        this.Plugin.Interface.UiBuilder.Draw += this.Draw;
        this.Plugin.Interface.UiBuilder.OpenConfigUi += this.OpenConfigUi;
    }

    public void Dispose() {
        this.Plugin.Interface.UiBuilder.OpenConfigUi -= this.OpenConfigUi;
        this.Plugin.Interface.UiBuilder.Draw -= this.Draw;

        foreach (var tab in this.Tabs) {
            tab.Dispose();
        }
    }

    private void OpenConfigUi() {
        this.Visible = true;
    }

    private void Draw() {
        if (!this.Visible) {
            return;
        }

        using var end = new OnDispose(ImGui.End);

        ImGui.SetNextWindowSize(new Vector2(420, 500), ImGuiCond.FirstUseEver);
        if (!ImGui.Begin(Plugin.Name, ref this.Visible)) {
            return;
        }

        ImGui.PushTextWrapPos();
        using var popTextWrapPos = new OnDispose(ImGui.PopTextWrapPos);

        if (!ImGui.BeginTabBar("##screenie-tabbar")) {
            return;
        }

        using var endTabBar = new OnDispose(ImGui.EndTabBar);

        foreach (var tab in this.Tabs) {
            if (!ImGui.BeginTabItem(tab.Label)) {
                continue;
            }

            using var endTabItem = new OnDispose(ImGui.EndTabItem);
            try {
                tab.Draw();
            } catch (Exception ex) {
                Plugin.Log.Error(ex, $"Error drawing tab \"{tab.Label}\"");
            }
        }
    }
}