Fix & extend add reagent verb (#4954)

* AddReagentWindow

* addReagent command

* functional UI

* fix networking

* add comments & docstrings

* Remove unecesary system

* cleanup & close-eui

* tweak default window size

* fix EUI closing error

* fix merge issues

* fix merge

Content.Client/Administration/UI/ManageSolutions/AddReagentWindow.xaml.cs

@@ -0,0 +1,135 @@
+using Content.Shared.Chemistry.Reagent;
+using Robust.Client.AutoGenerated;
+using Robust.Client.Console;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+using Robust.Shared.Prototypes;
+
+namespace Content.Client.Administration.UI.ManageSolutions
+{
+    /// <summary>
+    ///     A debug window that allows you to add a reagent to a solution. Intended to be used with <see
+    ///     cref="EditSolutionsWindow"/>
+    /// </summary>
+    [GenerateTypedNameReferences]
+    public sealed partial class AddReagentWindow : SS14Window
+    {
+        [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+        [Dependency] private readonly IClientConsoleHost _consoleHost = default!;
+
+        private readonly EntityUid _targetEntity;
+        private string _targetSolution;
+        private ReagentPrototype? _selectedReagent;
+
+        // FloatSpinBox does not (yet?) play nice with xaml
+        private FloatSpinBox _quantitySpin = new(1, 2) { Value = 10, HorizontalExpand = true};
+
+        public AddReagentWindow(EntityUid targetEntity, string targetSolution)
+        {
+            IoCManager.InjectDependencies(this);
+            RobustXamlLoader.Load(this);
+
+            Title = Loc.GetString("admin-add-reagent-window-title", ("solution", targetSolution));
+
+            _targetEntity = targetEntity;
+            _targetSolution = targetSolution;
+
+            QuantityBox.AddChild(_quantitySpin);
+
+            ReagentList.OnItemSelected += ReagentListSelected;
+            ReagentList.OnItemDeselected += ReagentListDeselected;
+            SearchBar.OnTextChanged += (_) => UpdateReagentPrototypes(SearchBar.Text);
+            _quantitySpin.OnValueChanged += (_) => UpdateAddButton();
+            AddButton.OnPressed += AddReagent;
+
+            UpdateReagentPrototypes();
+            UpdateAddButton();
+        }
+
+        /// <summary>
+        ///     Execute a console command that asks the server to add the selected reagent.
+        /// </summary>
+        private void AddReagent(BaseButton.ButtonEventArgs obj)
+        {
+            if (_selectedReagent == null)
+                return;
+
+            var quantity = _quantitySpin.Value.ToString("F2");
+            var command = $"addreagent {_targetEntity} {_targetSolution} {_selectedReagent.ID} {quantity}";
+            _consoleHost.ExecuteCommand(command);
+        }
+
+        private void ReagentListSelected(ItemList.ItemListSelectedEventArgs obj)
+        {
+            _selectedReagent = (ReagentPrototype) obj.ItemList[obj.ItemIndex].Metadata!;
+            UpdateAddButton();
+        }
+
+        private void ReagentListDeselected(ItemList.ItemListDeselectedEventArgs obj)
+        {
+            _selectedReagent = null;
+            UpdateAddButton();
+        }
+
+        public void UpdateSolution(string? selectedSolution)
+        {
+            if (selectedSolution == null)
+            {
+                Close();
+                Dispose();
+                return;
+            }
+
+            _targetSolution = selectedSolution;
+            Title = Loc.GetString("admin-add-reagent-window-title", ("solution", _targetSolution));
+            UpdateAddButton();
+        }
+
+        /// <summary>
+        ///     Set the Text and enabled/disabled status of the button that actually adds the reagent.
+        /// </summary>
+        private void UpdateAddButton()
+        {
+            AddButton.Disabled = true;
+            if (_selectedReagent == null)
+            {
+                AddButton.Text = Loc.GetString("admin-add-reagent-window-add-invalid-reagent");
+                return;
+            }
+
+            AddButton.Text = Loc.GetString("admin-add-reagent-window-add",
+                ("quantity", _quantitySpin.Value.ToString("F2")),
+                ("reagent", _selectedReagent.ID));
+
+            AddButton.Disabled = false;
+        }
+
+        /// <summary>
+        ///     Get a list of all reagent prototypes and show them in an item list.
+        /// </summary>
+        private void UpdateReagentPrototypes(string? filter = null)
+        {
+            ReagentList.Clear();
+            foreach (var reagent in _prototypeManager.EnumeratePrototypes<ReagentPrototype>())
+            {
+                if (!string.IsNullOrEmpty(filter) &&
+                   !reagent.ID.ToLowerInvariant().Contains(filter.Trim().ToLowerInvariant()))
+                {
+                    continue;
+                }
+
+                ItemList.Item regentItem = new(ReagentList)
+                {
+                    Metadata = reagent,
+                    Text = reagent.ID
+                };
+
+                ReagentList.Add(regentItem);
+            }
+        }
+    }
+}