Admin notes (#7259)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Client/Administration/UI/Notes/AdminNotesControl.xaml.cs

@@ -0,0 +1,146 @@
+using System.Linq;
+using Content.Shared.Administration.Notes;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.XAML;
+using static Robust.Client.UserInterface.Controls.LineEdit;
+
+namespace Content.Client.Administration.UI.Notes;
+
+[GenerateTypedNameReferences]
+public sealed partial class AdminNotesControl : Control
+{
+    [Dependency] private readonly IUserInterfaceManager _ui = default!;
+
+    public event Action<int, string>? OnNoteChanged;
+    public event Action<string>? OnNewNoteEntered;
+    public event Action<int>? OnNoteDeleted;
+
+    private AdminNotesLinePopup? _popup;
+
+    public AdminNotesControl()
+    {
+        RobustXamlLoader.Load(this);
+        IoCManager.InjectDependencies(this);
+
+        NewNote.OnTextEntered += NewNoteEntered;
+    }
+
+    private Dictionary<int, AdminNotesLine> Inputs { get; } = new();
+    private bool CanCreate { get; set; }
+    private bool CanDelete { get; set; }
+    private bool CanEdit { get; set; }
+
+    private void NewNoteEntered(LineEditEventArgs args)
+    {
+        if (string.IsNullOrWhiteSpace(args.Text))
+        {
+            return;
+        }
+
+        NewNote.Clear();
+        OnNewNoteEntered?.Invoke(args.Text);
+    }
+
+    private void NoteSubmitted(AdminNotesLine input)
+    {
+        var text = input.EditText.Trim();
+        if (input.OriginalMessage == text)
+        {
+            return;
+        }
+
+        OnNoteChanged?.Invoke(input.Id, text);
+    }
+
+    private bool NoteRightClicked(AdminNotesLine line)
+    {
+        ClosePopup();
+
+        _popup = new AdminNotesLinePopup(line.Note, CanDelete, CanEdit);
+        _popup.OnEditPressed += noteId =>
+        {
+            if (!Inputs.TryGetValue(noteId, out var input))
+            {
+                return;
+            }
+
+            input.SetEditable(true);
+        };
+        _popup.OnDeletePressed += noteId => OnNoteDeleted?.Invoke(noteId);
+
+        var box = UIBox2.FromDimensions(_ui.MousePositionScaled.Position, (1, 1));
+        _popup.Open(box);
+
+        return true;
+    }
+
+    private void ClosePopup()
+    {
+        _popup?.Close();
+        _popup = null;
+    }
+
+    public void SetNotes(Dictionary<int, SharedAdminNote> notes)
+    {
+        foreach (var (id, input) in Inputs)
+        {
+            if (!notes.ContainsKey(id))
+            {
+                Notes.RemoveChild(input);
+                Inputs.Remove(id);
+            }
+        }
+
+        foreach (var note in notes.Values.OrderBy(note => note.Id))
+        {
+            if (Inputs.TryGetValue(note.Id, out var input))
+            {
+                input.UpdateNote(note);
+                continue;
+            }
+
+            input = new AdminNotesLine(note);
+            input.OnSubmitted += NoteSubmitted;
+            input.OnRightClicked += NoteRightClicked;
+            Notes.AddChild(input);
+            Inputs[note.Id] = input;
+        }
+    }
+
+    public void SetPermissions(bool create, bool delete, bool edit)
+    {
+        CanCreate = create;
+        CanDelete = delete;
+        CanEdit = edit;
+        NewNoteLabel.Visible = create;
+        NewNote.Visible = create;
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+
+        if (!disposing)
+        {
+            return;
+        }
+
+        foreach (var input in Inputs.Values)
+        {
+            input.OnSubmitted -= NoteSubmitted;
+        }
+
+        Inputs.Clear();
+        NewNote.OnTextEntered -= NewNoteEntered;
+
+        if (_popup != null)
+        {
+            _ui.PopupRoot.RemoveChild(_popup);
+        }
+
+        OnNoteChanged = null;
+        OnNewNoteEntered = null;
+        OnNoteDeleted = null;
+    }
+}