2 files changed, 159 insertions, 0 deletions
diff --git a/grapher/Models/Devices/DeviceIDItem.cs b/grapher/Models/Devices/DeviceIDItem.cs
new file mode 100644
index 0000000..63c2761
--- /dev/null
+++ b/grapher/Models/Devices/DeviceIDItem.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace grapher.Models.Devices
+{
+    public class DeviceIDItem
+    {
+        public DeviceIDItem(string name, string id, DeviceIDManager manager)
+        {
+            Name = name;
+            ID = id;
+            Manager = manager;
+            DeviceIDMenuItem = new ToolStripMenuItem();
+            DeviceIDMenuItem.Checked = false;
+            DeviceIDMenuItem.Text = MenuItemText();
+            DeviceIDMenuItem.Click += OnClicked;
+            manager.DeviceIDsMenuItem.DropDownItems.Add(DeviceIDMenuItem);
+        }
+
+        private ToolStripMenuItem DeviceIDMenuItem { get; }
+
+        public string Name { get; }
+
+        public string ID { get; }
+
+        private DeviceIDManager Manager { get; }
+
+        public void SetActivated()
+        {
+            DeviceIDMenuItem.Checked = true;
+        }
+
+        public void SetDeactivated()
+        {
+            DeviceIDMenuItem.Checked = false;
+        }
+
+        private string MenuItemText() => string.IsNullOrEmpty(ID) ? $"{Name}" : $"{Name}: {ID}";
+
+        private string DisconnectedText() => $"Disconnected: {ID}";
+
+        public void SetDisconnected()
+        {
+            DeviceIDMenuItem.ForeColor = Color.DarkGray;
+            DeviceIDMenuItem.Text = DisconnectedText();
+        }
+
+        public void OnClicked(object sender, EventArgs e)
+        {
+            Manager.SetActive(this);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is DeviceIDItem item &&
+                   Name == item.Name &&
+                   ID == item.ID;
+        }
+
+        public override int GetHashCode()
+        {
+            int hashCode = -1692744877;
+            hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(Name);
+            hashCode = hashCode * -1521134295 + EqualityComparer<string>.Default.GetHashCode(ID);
+            return hashCode;
+        }
+    }
+}
diff --git a/grapher/Models/Devices/DeviceIDManager.cs b/grapher/Models/Devices/DeviceIDManager.cs
new file mode 100644
index 0000000..c50cda8
--- /dev/null
+++ b/grapher/Models/Devices/DeviceIDManager.cs
@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Management;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace grapher.Models.Devices
+{
+    public class DeviceIDManager
+    {
+        public DeviceIDManager(ToolStripMenuItem deviceIDs)
+        {
+            DeviceIDsMenuItem = deviceIDs;
+            DeviceIDsMenuItem.Checked = false;
+        }
+
+        public ToolStripMenuItem DeviceIDsMenuItem { get; }
+
+        public string ID { get => SelectedDeviceID.ID; }
+
+        public DeviceIDItem SelectedDeviceID { get; private set; }
+
+        public Dictionary<string, DeviceIDItem> DeviceIDs { get; private set; }
+
+        public static IEnumerable<(string, string)> GetDeviceIDs(string PNPClass = "Mouse")
+        {
+            ManagementObjectSearcher searcher = new ManagementObjectSearcher(new SelectQuery("Win32_PnPEntity"));
+
+            foreach (ManagementObject obj in searcher.Get())
+            {
+                if (obj["PNPClass"] != null && obj["PNPClass"].ToString().Equals(PNPClass) && obj["DeviceID"] != null)
+                {
+                    string name = obj["Name"].ToString();
+
+                    string devInstanceID = obj["DeviceID"].ToString();
+                    string devID = devInstanceID.Remove(devInstanceID.LastIndexOf('\\'));
+                    
+                    yield return (name, devID);
+                }
+            }
+        }
+
+        public void SetActive(DeviceIDItem deviceIDItem)
+        {
+            if (SelectedDeviceID != null)
+            {
+                SelectedDeviceID.SetDeactivated();
+            }
+
+            SelectedDeviceID = deviceIDItem;
+            SelectedDeviceID.SetActivated();
+        }
+
+        public void Update(string devID)
+        {
+            DeviceIDsMenuItem.DropDownItems.Clear();
+
+            bool found = string.IsNullOrEmpty(devID);
+
+            var anyDevice = new DeviceIDItem("Any", string.Empty, this);
+
+            if (found) SetActive(anyDevice);
+
+            foreach (var device in GetDeviceIDs().Distinct())
+            {
+                var deviceItem = new DeviceIDItem(device.Item1, device.Item2, this);
+                if (!found && deviceItem.ID.Equals(devID))
+                {
+                    SetActive(deviceItem);
+                    found = true;
+                }
+            }
+
+            if (!found)
+            {
+                var deviceItem = new DeviceIDItem(string.Empty, devID, this);
+                deviceItem.SetDisconnected();
+                SetActive(deviceItem);
+            }
+        }
+
+    }
+}