Fixed to reset selected value after clearing option array

mkdocs/apielements.md

@@ -441,7 +441,9 @@ Indicates the check of the specified option for the radio buttons. You can use t
 ```cpp
 void empty(const size_t reserve = 0)
 ```
-Clear the array of option strings that AutoConnectRadio has in the values. When a **_reserve_** parameter is specified, a vector container of that size is reserved.
+Clear the array of option strings that AutoConnectRadio has in the values. When the **_reserve_** parameter is specified, a vector container of that size is reserved.
+
+The empty function resets the checked value to zero. When the empty function is executed, any button will be turned off.
 <dl class="apidl">
     <dt>**Parameter**</dt>
     <dd><span class="apidef">reserve</span><span class="apidesc">Reserved size of a container for the radio button option strings.</span></dd>
@@ -560,7 +562,9 @@ Adds a selectable option string for the selection list.
 ```cpp
 void empty(const size_t reserve = 0)
 ```
-Clear the array of options list that AutoConnectSelect has in the options. When a **_reserve_** parameter is specified, a vector container of that size is reserved.
+Clear the array of options list that AutoConnectSelect has in the options. When the **_reserve_** parameter is specified, a vector container of that size is reserved.
+
+The empty function resets the selected value to zero. When the empty function is executed, there are no selected options and the first item is placed at the beginning.
 <dl class="apidl">
     <dt>**Parameter**</dt>
     <dd><span class="apidef">reserve</span><span class="apidesc">Reserved size of a container for the options.</span></dd>

src/AutoConnectElementJsonImpl.h

@@ -277,6 +277,12 @@ bool AutoConnectRadioJson::loadMember(const JsonObject& json) {
     _setMember(json);
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_LABEL)))
       label = json[F(AUTOCONNECT_JSON_KEY_LABEL)].as<String>();
+    if (json.containsKey(F(AUTOCONNECT_JSON_KEY_VALUE))) {
+      ArduinoJsonArray optionArray = json[AUTOCONNECT_JSON_KEY_VALUE];
+      empty(optionArray.size());
+      for (auto value : optionArray)
+        add(value.as<String>());
+    }
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_CHECKED)))
       checked = static_cast<uint8_t>(json[F(AUTOCONNECT_JSON_KEY_CHECKED)].as<int>());
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_ARRANGE))) {
@@ -290,13 +296,6 @@ bool AutoConnectRadioJson::loadMember(const JsonObject& json) {
         return false;
       }
     }
-    if (json.containsKey(F(AUTOCONNECT_JSON_KEY_VALUE))) {
-      empty();
-      // JsonArray& optionArray = json[AUTOCONNECT_JSON_KEY_VALUE];
-      ArduinoJsonArray optionArray = json[AUTOCONNECT_JSON_KEY_VALUE];
-      for (auto value : optionArray)
-        add(value.as<String>());
-    }
     return true;
   }
   return false;
@@ -350,15 +349,15 @@ bool AutoConnectSelectJson::loadMember(const JsonObject& json) {
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_LABEL)))
       label = json[F(AUTOCONNECT_JSON_KEY_LABEL)].as<String>();
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_OPTION))) {
-      empty();
       ArduinoJsonArray optionArray = json[AUTOCONNECT_JSON_KEY_OPTION];
+      empty(optionArray.size());
       for (auto value : optionArray)
         add(value.as<String>());
+    }
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_SELECTED)))
       selected = static_cast<uint8_t>(json[F(AUTOCONNECT_JSON_KEY_SELECTED)].as<int>());
     return true;
   }
-  }
   return false;
 }