Added rest of the modules

Assets/ControlPanel.cs

@@ -5,40 +5,47 @@ using UnityEngine.UI;
 public class ControlPanel : MonoBehaviour
 {
     [Header("Core UI (assign in Inspector)")]
-    public TMP_InputField inputField;          // was DegreesInputField
-    public TMP_Dropdown directionDropdown;     // was DirectionDropdown
-    public Button button;                      // was RotateButton
+    public TMP_InputField inputField;
+    public TMP_Dropdown directionDropdown;
+    public Button button; // existing Send/Rotate button in hierarchy
 
-    private enum Mode { None, DC, Display, Gripper }
+    private enum Mode { None, DC, Display, Speaker }
     private Mode _mode = Mode.None;
 
     private DCMotorModule _dc;
     private DisplayModule _display;
-    private GripperModule _gripper;
+    private SpeakerModule _speaker;
 
-    // Keep separate inputs so they don't interfere
     private string _savedDCInput = "";
     private int _savedDirectionIndex = 0;
     private string _savedDisplayInput = "";
-    private string _savedGripperInput = "";
 
-    // Found automatically (no new UI objects)
-    private TextMeshProUGUI _caption;          // DegreesCaption text
-    private TextMeshProUGUI _buttonText;       // RotateButton/Text (TMP)
-    private GameObject _directionCaptionGO;    // DirectionCaption
-    private GameObject _directionDropdownGO;   // DirectionDropdown GameObject
+    // Found automatically (no hierarchy edits)
+    private TextMeshProUGUI _caption;     // child "DegreesCaption"
+    private TextMeshProUGUI _buttonText;  // child "RotateButton/Text (TMP)"
+    private GameObject _directionCaptionGO;
+    private GameObject _directionDropdownGO;
+
+    // Created in code (Speaker mode only)
+    private Button _uploadButton;
+    private TextMeshProUGUI _uploadButtonText;
+    private Button _playButton;
+    private TextMeshProUGUI _playButtonText;
 
     private void Awake()
     {
         CacheUIFromHierarchy();
 
+        // Create these once; hide unless Speaker mode
+        CreateUploadButtonIfNeeded();
+        CreatePlayButtonIfNeeded();
+
         if (button != null)
         {
             button.onClick.RemoveAllListeners();
-            button.onClick.AddListener(OnButtonClicked);
+            button.onClick.AddListener(OnMainButtonClicked);
         }
 
-        // Cache typed values so switching modules restores what you typed
         if (inputField != null)
         {
             inputField.onValueChanged.AddListener(_ => CacheCurrentInput());
@@ -54,37 +61,17 @@ public class ControlPanel : MonoBehaviour
         }
     }
 
-    /// <summary>
-    /// Call this whenever a DC or Display module is selected.
-    /// </summary>
     public void Initialize(ModuleBase module)
     {
         CacheCurrentInput();
 
         _dc = module as DCMotorModule;
         _display = module as DisplayModule;
-        _gripper = module as GripperModule;
+        _speaker = module as SpeakerModule;
 
-        if (_dc != null)
-        {
-            SwitchMode(Mode.DC);
-            gameObject.SetActive(true);
-            return;
-        }
-
-        if (_display != null)
-        {
-            SwitchMode(Mode.Display);
-            gameObject.SetActive(true);
-            return;
-        }
-
-        if (_gripper != null)
-        {
-            SwitchMode(Mode.Gripper);
-            gameObject.SetActive(true);
-            return;
-        }
+        if (_dc != null) { SwitchMode(Mode.DC); gameObject.SetActive(true); return; }
+        if (_display != null) { SwitchMode(Mode.Display); gameObject.SetActive(true); return; }
+        if (_speaker != null) { SwitchMode(Mode.Speaker); gameObject.SetActive(true); return; }
 
         HidePanel();
     }
@@ -96,12 +83,13 @@ public class ControlPanel : MonoBehaviour
         _mode = Mode.None;
         _dc = null;
         _display = null;
-        _gripper = null;
+        _speaker = null;
+        SetUploadVisible(false);
+        SetPlayVisible(false);
     }
 
     private void CacheUIFromHierarchy()
     {
-        // Assumes this script is on the parent that contains these children
         var captionT = transform.Find("DegreesCaption");
         if (captionT != null) _caption = captionT.GetComponent<TextMeshProUGUI>();
 
@@ -122,47 +110,78 @@ public class ControlPanel : MonoBehaviour
 
         if (_mode == Mode.DC)
         {
-            if (_caption != null) _caption.text = "Degrees";
-            if (_buttonText != null) _buttonText.text = "Rotate";
+            SetCaption("Degrees");
+            SetCaptionVisible(true);
+            SetMainButtonText("Rotate");
             SetDirectionVisible(true);
+            SetInputVisible(true);
+            SetUploadVisible(false);
+            SetPlayVisible(false);
 
             if (inputField != null)
+            {
+                inputField.readOnly = false;
                 inputField.SetTextWithoutNotify(_savedDCInput);
+            }
 
             if (directionDropdown != null)
                 directionDropdown.SetValueWithoutNotify(_savedDirectionIndex);
         }
         else if (_mode == Mode.Display)
         {
-            if (_caption != null) _caption.text = "Text";
-            if (_buttonText != null) _buttonText.text = "Send";
+            SetCaption("Text");
+            SetCaptionVisible(true);
+            SetMainButtonText("Send");
             SetDirectionVisible(false);
-
-            // Prefer module's current displayText; fallback to last typed text
-            string toShow = _savedDisplayInput;
-            if (_display != null && !string.IsNullOrEmpty(_display.displayText))
-                toShow = _display.displayText;
+            SetInputVisible(true);
+            SetUploadVisible(false);
+            SetPlayVisible(false);
 
             if (inputField != null)
+            {
+                inputField.readOnly = false;
+                string toShow = _savedDisplayInput;
+                if (_display != null && !string.IsNullOrEmpty(_display.displayText))
+                    toShow = _display.displayText;
                 inputField.SetTextWithoutNotify(toShow);
+            }
         }
-        else if (_mode == Mode.Gripper)
+        else if (_mode == Mode.Speaker)
         {
-            if (_caption != null) _caption.text = "Degrees";
-            if (_buttonText != null) _buttonText.text = "Apply";
+            // Speaker UI: no input field (removes the white box behind buttons)
+            SetMainButtonText("Send Audio");
+            SetCaptionVisible(false);
             SetDirectionVisible(false);
+            SetInputVisible(false);
 
-            if (inputField != null)
-                inputField.SetTextWithoutNotify(_gripper != null ? _gripper.currentAngle.ToString("F0") : _savedGripperInput);
+            // Show speaker buttons
+            SetUploadVisible(true);
+            SetPlayVisible(true);
         }
     }
 
+    private void SetCaption(string text)
+    {
+        if (_caption != null) _caption.text = text;
+    }
+
+    private void SetMainButtonText(string text)
+    {
+        if (_buttonText != null) _buttonText.text = text;
+    }
+
     private void SetDirectionVisible(bool visible)
     {
         if (_directionCaptionGO != null) _directionCaptionGO.SetActive(visible);
         if (_directionDropdownGO != null) _directionDropdownGO.SetActive(visible);
     }
 
+    private void SetInputVisible(bool visible)
+    {
+        if (inputField != null && inputField.gameObject.activeSelf != visible)
+            inputField.gameObject.SetActive(visible);
+    }
+
     private void CacheCurrentInput()
     {
         if (inputField == null) return;
@@ -170,28 +189,19 @@ public class ControlPanel : MonoBehaviour
         if (_mode == Mode.DC)
         {
             _savedDCInput = inputField.text;
-            if (directionDropdown != null)
-                _savedDirectionIndex = directionDropdown.value;
+            if (directionDropdown != null) _savedDirectionIndex = directionDropdown.value;
         }
         else if (_mode == Mode.Display)
         {
             _savedDisplayInput = inputField.text;
         }
-        else if (_mode == Mode.Gripper)
-        {
-            _savedGripperInput = inputField.text;
-        }
     }
 
-    private void OnButtonClicked()
+    private void OnMainButtonClicked()
     {
         if (_mode == Mode.DC)
         {
-            if (_dc == null)
-            {
-                Debug.LogWarning("ControlPanel: No DC module selected.");
-                return;
-            }
+            if (_dc == null) return;
 
             if (!float.TryParse(inputField.text, out float degrees))
             {
@@ -204,30 +214,206 @@ public class ControlPanel : MonoBehaviour
         }
         else if (_mode == Mode.Display)
         {
-            if (_display == null)
-            {
-                Debug.LogWarning("ControlPanel: No Display module selected.");
-                return;
-            }
-
-            string text = inputField != null ? inputField.text : "";
-            _display.SetDisplayText(text); // <- THIS is where Display module gets the text
+            if (_display == null) return;
+            _display.SetDisplayText(inputField != null ? inputField.text : "");
         }
-        else if (_mode == Mode.Gripper)
+        else if (_mode == Mode.Speaker)
         {
-            if (_gripper == null)
-            {
-                Debug.LogWarning("ControlPanel: No Gripper module selected.");
-                return;
-            }
-
-            if (!float.TryParse(inputField.text, out float degrees))
-            {
-                Debug.LogWarning("ControlPanel: Invalid degree input for Gripper.");
-                return;
-            }
-
-            _gripper.SetAngleAndSendControlLibrary(Mathf.Clamp(degrees, 0f, 180f));
+            if (_speaker == null) return;
+            _speaker.SendAudioToHardware(); // Send Audio = upload to hardware (your implementation)
         }
     }
+
+    // -------------------------
+    // Styling helpers (copy Send button look)
+    // -------------------------
+
+    private void CopyButtonStyle(Button source, Button target)
+    {
+        if (source == null || target == null) return;
+
+        // Button settings
+        target.transition = source.transition;
+        target.colors = source.colors;
+        target.spriteState = source.spriteState;
+        target.navigation = source.navigation;
+        target.interactable = source.interactable;
+
+        // Image settings
+        var srcImg = source.GetComponent<Image>();
+        var dstImg = target.GetComponent<Image>();
+        if (srcImg != null && dstImg != null)
+        {
+            dstImg.sprite = srcImg.sprite;
+            dstImg.type = srcImg.type;
+            dstImg.pixelsPerUnitMultiplier = srcImg.pixelsPerUnitMultiplier;
+            dstImg.material = srcImg.material;
+            dstImg.color = srcImg.color;
+            dstImg.raycastTarget = srcImg.raycastTarget;
+        }
+    }
+
+    private void CopyTMPStyle(TextMeshProUGUI source, TextMeshProUGUI target)
+    {
+        if (source == null || target == null) return;
+
+        target.font = source.font;
+        target.fontSharedMaterial = source.fontSharedMaterial;
+        target.fontStyle = source.fontStyle;
+        target.fontSize = source.fontSize;
+        target.enableAutoSizing = source.enableAutoSizing;
+        target.color = source.color;
+        target.enableVertexGradient = source.enableVertexGradient;
+        target.alignment = source.alignment;
+        target.enableWordWrapping = source.enableWordWrapping;
+        target.richText = source.richText;
+    }
+
+    // -------------------------
+    // Upload button (code-created)
+    // -------------------------
+
+    private void CreateUploadButtonIfNeeded()
+    {
+        if (_uploadButton != null) return;
+
+        var go = new GameObject("UploadButton");
+        go.transform.SetParent(transform, false);
+
+        var img = go.AddComponent<Image>();
+        img.raycastTarget = true;
+
+        _uploadButton = go.AddComponent<Button>();
+        _uploadButton.onClick.AddListener(OnUploadClicked);
+
+        // Copy Send button look
+        CopyButtonStyle(button, _uploadButton);
+
+        var textGo = new GameObject("Text (TMP)");
+        textGo.transform.SetParent(go.transform, false);
+        _uploadButtonText = textGo.AddComponent<TextMeshProUGUI>();
+        _uploadButtonText.text = "Upload Audio";
+
+        // Copy Send text look
+        CopyTMPStyle(_buttonText, _uploadButtonText);
+        _uploadButtonText.alignment = TextAlignmentOptions.Center;
+
+        // Layout: above Play
+        var rt = go.GetComponent<RectTransform>();
+        rt.anchorMin = new Vector2(0.5f, 0f);
+        rt.anchorMax = new Vector2(0.5f, 0f);
+        rt.pivot = new Vector2(0.5f, 0f);
+        rt.sizeDelta = button != null ? button.GetComponent<RectTransform>().sizeDelta : new Vector2(180f, 40f);
+        rt.anchoredPosition = new Vector2(0f, 110f);
+
+        var trt = textGo.GetComponent<RectTransform>();
+        trt.anchorMin = Vector2.zero;
+        trt.anchorMax = Vector2.one;
+        trt.offsetMin = Vector2.zero;
+        trt.offsetMax = Vector2.zero;
+
+        go.SetActive(false);
+    }
+
+    private void SetUploadVisible(bool visible)
+    {
+        if (_uploadButton != null && _uploadButton.gameObject.activeSelf != visible)
+            _uploadButton.gameObject.SetActive(visible);
+    }
+
+    private void OnUploadClicked()
+    {
+        if (_speaker == null) return;
+
+        string path = OpenAudioFilePicker();
+        if (string.IsNullOrEmpty(path)) return;
+
+        _speaker.SetAudioFile(path);
+        // If you want to display filename somewhere without the input field,
+        // we can put it in the caption temporarily or add a TMP label in code.
+    }
+
+    // -------------------------
+    // Play button (code-created)
+    // -------------------------
+
+    private void CreatePlayButtonIfNeeded()
+    {
+        if (_playButton != null) return;
+
+        var go = new GameObject("PlayButton");
+        go.transform.SetParent(transform, false);
+
+        var img = go.AddComponent<Image>();
+        img.raycastTarget = true;
+
+        _playButton = go.AddComponent<Button>();
+        _playButton.onClick.AddListener(OnPlayClicked);
+
+        // Copy Send button look
+        CopyButtonStyle(button, _playButton);
+
+        var textGo = new GameObject("Text (TMP)");
+        textGo.transform.SetParent(go.transform, false);
+        _playButtonText = textGo.AddComponent<TextMeshProUGUI>();
+        _playButtonText.text = "Play Audio";
+
+        // Copy Send text look
+        CopyTMPStyle(_buttonText, _playButtonText);
+        _playButtonText.alignment = TextAlignmentOptions.Center;
+
+        // Layout: between Upload and Send
+        var rt = go.GetComponent<RectTransform>();
+        rt.anchorMin = new Vector2(0.5f, 0f);
+        rt.anchorMax = new Vector2(0.5f, 0f);
+        rt.pivot = new Vector2(0.5f, 0f);
+        rt.sizeDelta = button != null ? button.GetComponent<RectTransform>().sizeDelta : new Vector2(180f, 40f);
+        rt.anchoredPosition = new Vector2(0f, 60f);
+
+        var trt = textGo.GetComponent<RectTransform>();
+        trt.anchorMin = Vector2.zero;
+        trt.anchorMax = Vector2.one;
+        trt.offsetMin = Vector2.zero;
+        trt.offsetMax = Vector2.zero;
+
+        go.SetActive(false);
+    }
+
+    private void SetPlayVisible(bool visible)
+    {
+        if (_playButton != null && _playButton.gameObject.activeSelf != visible)
+            _playButton.gameObject.SetActive(visible);
+    }
+
+    private void OnPlayClicked()
+    {
+        if (_speaker == null) return;
+        _speaker.PlayAudioOnHardware();
+    }
+
+    // -------------------------
+    // File Picker (Editor + builds via SFB)
+    // -------------------------
+
+    private string OpenAudioFilePicker()
+    {
+#if UNITY_EDITOR
+        return UnityEditor.EditorUtility.OpenFilePanel("Select audio file", "", "wav,mp3,ogg");
+#else
+        var extensions = new[]
+        {
+            new SFB.ExtensionFilter("Audio Files", "wav", "mp3", "ogg"),
+            new SFB.ExtensionFilter("All Files", "*")
+        };
+
+        string[] paths = SFB.StandaloneFileBrowser.OpenFilePanel("Select audio file", "", extensions, false);
+        return (paths != null && paths.Length > 0) ? paths[0] : "";
+#endif
+    }
+
+    private void SetCaptionVisible(bool visible)
+    {
+        if (_caption != null && _caption.gameObject.activeSelf != visible)
+            _caption.gameObject.SetActive(visible);
+    }
 }