Re-organize all projects (#4166)

Content.Server/MachineLinking/Components/SignalButtonComponent.cs

@@ -0,0 +1,44 @@
+using Content.Server.MachineLinking.Signals;
+using Content.Shared.Interaction;
+using Content.Shared.Notification;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+
+namespace Content.Server.MachineLinking.Components
+{
+    [RegisterComponent]
+    public class SignalButtonComponent : Component, IActivate, IInteractHand
+    {
+        public override string Name => "SignalButton";
+
+        void IActivate.Activate(ActivateEventArgs eventArgs)
+        {
+            TransmitSignal(eventArgs.User);
+        }
+
+        bool IInteractHand.InteractHand(InteractHandEventArgs eventArgs)
+        {
+            TransmitSignal(eventArgs.User);
+            return true;
+        }
+
+        private void TransmitSignal(IEntity user)
+        {
+            if (!Owner.TryGetComponent<SignalTransmitterComponent>(out var transmitter))
+            {
+                return;
+            }
+
+            if (transmitter.TransmitSignal(new ToggleSignal()))
+            {
+                // Since the button doesn't have an animation, I'm going to use a popup message
+                Owner.PopupMessage(user, Loc.GetString("Click."));
+            }
+            else
+            {
+                Owner.PopupMessage(user, Loc.GetString("No receivers connected."));
+            }
+        }
+
+    }
+}