Improves the Admin PlayerList (#1989)

* -Makes PlayerList scrollable
-Player names clip when they are too long
-Shows Player count

* Add padding to make columns more noticeable

* -Added Separators between the columns
-Pushed List a bit down

* Add alternating row colors

Content.Client/UserInterface/AdminMenu/AdminMenuWindow.cs

@@ -1,11 +1,9 @@
 #nullable enable
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Content.Client.GameObjects.EntitySystems;
 using Content.Client.StationEvents;
 using Content.Shared.Atmos;
 using Robust.Client.Console;
+using Robust.Client.Graphics.Drawing;
 using Robust.Client.Interfaces.Placement;
 using Robust.Client.Interfaces.ResourceManagement;
 using Robust.Client.Player;
@@ -17,8 +15,12 @@ using Robust.Shared.Interfaces.Map;
 using Robust.Shared.IoC;
 using Robust.Shared.Localization;
 using Robust.Shared.Map;
+using Robust.Shared.Maths;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Utility;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using static Robust.Client.UserInterface.Controls.BaseButton;
 
 namespace Content.Client.UserInterface.AdminMenu
@@ -27,6 +29,9 @@ namespace Content.Client.UserInterface.AdminMenu
     {
         public TabContainer MasterTabContainer;
         public VBoxContainer PlayerList;
+        public Label PlayerCount;
+
+        protected override Vector2? CustomSize => (500, 250);
 
         private List<CommandButton> _adminButtons = new List<CommandButton>
         {
@@ -57,51 +62,107 @@ namespace Content.Client.UserInterface.AdminMenu
             new DirectCommandButton("Shutdown", "shutdown"),
         };
 
+        private static readonly Color SeparatorColor = Color.FromHex("#3D4059");
+        private class HSeperator : Control
+        {
+            public HSeperator()
+            {
+                AddChild(new PanelContainer {
+                    PanelOverride = new StyleBoxFlat
+                    {
+                        BackgroundColor = SeparatorColor,
+                        ContentMarginBottomOverride = 2, ContentMarginLeftOverride = 2
+                    }
+                });
+            }
+        }
+
+        private class VSeperator : PanelContainer
+        {
+            public VSeperator()
+            {
+                CustomMinimumSize = (2, 5);
+                AddChild(new PanelContainer {
+                    PanelOverride = new StyleBoxFlat {
+                        BackgroundColor = SeparatorColor
+                    }
+                });
+            }
+        }
+
         private void RefreshPlayerList(ButtonEventArgs args)
         {
             PlayerList.RemoveAllChildren();
-            var sessions = IoCManager.Resolve<IPlayerManager>().Sessions;
+            var playerManager = IoCManager.Resolve<IPlayerManager>();
+            var sessions = playerManager.Sessions;
+            PlayerCount.Text = $"Players: {playerManager.PlayerCount}";
+
+            Color altColor = Color.FromHex("#292B38");
+            Color defaultColor = Color.FromHex("#2F2F3B");
+
             var header = new HBoxContainer
             {
                 SizeFlagsHorizontal = SizeFlags.FillExpand,
+                SeparationOverride = 4,
                 Children =
                     {
                         new Label { Text = "Name",
                             SizeFlagsStretchRatio = 2f,
                             SizeFlagsHorizontal = SizeFlags.FillExpand },
+                        new VSeperator(),
                         new Label { Text = "Player",
                             SizeFlagsStretchRatio = 2f,
                             SizeFlagsHorizontal = SizeFlags.FillExpand },
+                        new VSeperator(),
                         new Label { Text = "Status",
                             SizeFlagsStretchRatio = 1f,
                             SizeFlagsHorizontal = SizeFlags.FillExpand },
+                        new VSeperator(),
                         new Label { Text = "Ping",
                             SizeFlagsStretchRatio = 1f,
                             SizeFlagsHorizontal = SizeFlags.FillExpand,
                             Align = Label.AlignMode.Right },
                     }
             };
-            PlayerList.AddChild(header);
+            PlayerList.AddChild(new PanelContainer
-            PlayerList.AddChild(new Controls.HighDivider());
+            {
+                PanelOverride = new StyleBoxFlat
+                {
+                    BackgroundColor = altColor,
+                },
+                Children =
+                {
+                    header
+                }
+            });
+            PlayerList.AddChild(new HSeperator());
+
+            var useAltColor = false;
             foreach (var player in sessions)
             {
                 var hbox = new HBoxContainer
                 {
                     SizeFlagsHorizontal = SizeFlags.FillExpand,
+                    SeparationOverride = 4,
                     Children =
                     {
                         new Label {
                             Text = player.Name,
                             SizeFlagsStretchRatio = 2f,
-                            SizeFlagsHorizontal = SizeFlags.FillExpand },
+                            SizeFlagsHorizontal = SizeFlags.FillExpand,
+                            ClipText = true },
+                        new VSeperator(),
                         new Label {
                             Text = player.AttachedEntity?.Name,
                             SizeFlagsStretchRatio = 2f,
-                            SizeFlagsHorizontal = SizeFlags.FillExpand },
+                            SizeFlagsHorizontal = SizeFlags.FillExpand,
+                            ClipText = true },
+                        new VSeperator(),
                         new Label {
                             Text = player.Status.ToString(),
                             SizeFlagsStretchRatio = 1f,
                             SizeFlagsHorizontal = SizeFlags.FillExpand },
+                        new VSeperator(),
                         new Label {
                             Text = player.Ping.ToString(),
                             SizeFlagsStretchRatio = 1f,
@@ -109,7 +170,18 @@ namespace Content.Client.UserInterface.AdminMenu
                             Align = Label.AlignMode.Right },
                     }
                 };
-                PlayerList.AddChild(hbox);
+                PlayerList.AddChild(new PanelContainer
+                {
+                    PanelOverride = new StyleBoxFlat
+                    {
+                        BackgroundColor = useAltColor ? altColor : defaultColor,
+                    },
+                    Children =
+                    {
+                        hbox
+                    }
+                });
+                useAltColor ^= true;
             }
         }
 
@@ -133,7 +205,6 @@ namespace Content.Client.UserInterface.AdminMenu
 
         public AdminMenuWindow() //TODO: search for buttons?
         {
-            CustomMinimumSize = (415,0);
             Title = Loc.GetString("Admin Menu");
 
             #region PlayerList
@@ -146,22 +217,50 @@ namespace Content.Client.UserInterface.AdminMenu
                 MarginBottomOverride = 4,
                 CustomMinimumSize = (50, 50),
             };
-            PlayerList = new VBoxContainer();
+
+            PlayerCount = new Label
+            {
+                SizeFlagsHorizontal = SizeFlags.FillExpand,
+                SizeFlagsStretchRatio = 0.7f,
+            };
             var refreshButton = new Button
             {
-                Text = "Refresh"
+                SizeFlagsHorizontal = SizeFlags.FillExpand,
+                SizeFlagsStretchRatio = 0.3f,
+                Text = "Refresh",
             };
             refreshButton.OnPressed += RefreshPlayerList;
-            RefreshPlayerList(null!);
+
+            PlayerList = new VBoxContainer();
+            
             var playerVBox = new VBoxContainer
             {
+                SizeFlagsVertical = SizeFlags.FillExpand,
                 Children =
                 {
+                    new HBoxContainer
+                    {
+                        SizeFlagsHorizontal = SizeFlags.FillExpand,
+                        Children =
+                        {
+                            PlayerCount,
                             refreshButton,
+                        }
+                    },
+                    new Control { CustomMinimumSize = (0, 5) },
+                    new ScrollContainer
+                    {
+                        SizeFlagsHorizontal = SizeFlags.FillExpand,
+                        SizeFlagsVertical = SizeFlags.FillExpand,
+                        Children =
+                        {
                             PlayerList
+                        },
+                    },
                 }
             };
             playerTabContainer.AddChild(playerVBox);
+            RefreshPlayerList(null!);
             #endregion PlayerList
 
             #region Admin Tab