Added the labelPosition attribute with AutoConnectCheckbox

examples/Elements/Elements.ino

@@ -42,6 +42,7 @@ static const char PAGE_ELEMENTS[] PROGMEM = R"(
       "type": "ACCheckbox",
       "value": "check",
       "label": "Check",
+      "labelposition": "infront",
       "checked": true
     },
     {

src/AutoConnectElementBasis.h

@@ -58,6 +58,11 @@ typedef enum {
   AC_Tag_P = 2
 } ACPosterior_t;    /**< Tag to be generated following element */
 
+typedef enum {
+  AC_Infront,
+  AC_Behind
+} ACPosition_t;     /**< Position of label subordinate to element */
+
 /**
  * AutoConnectAux element base.
  * Placed a raw text that can be added by user sketch.
@@ -115,7 +120,7 @@ class AutoConnectButtonBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConne
  */
 class AutoConnectCheckboxBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoConnectElementBasis {
  public:
-  explicit AutoConnectCheckboxBasis(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), checked(checked) {
+  explicit AutoConnectCheckboxBasis(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosition_t labelPosition = AC_Behind, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), checked(checked), labelPosition(labelPosition) {
     _type = AC_Checkbox;
   }
   virtual ~AutoConnectCheckboxBasis() {}
@@ -123,6 +128,7 @@ class AutoConnectCheckboxBasis : AC_AUTOCONNECTELEMENT_ON_VIRTUAL public AutoCon
 
   String  label;      /**< A label for a subsequent input box */
   bool    checked;    /**< The element should be pre-selected */
+  ACPosition_t  labelPosition;  /**< Output label according to ACPosition_t */
 };
 
 /**

src/AutoConnectElementBasisImpl.h

@@ -66,8 +66,14 @@ const String AutoConnectCheckboxBasis::toHTML(void) const {
     if (checked)
       html += String(F(" checked"));
     if (label.length())
-      html += String(F(" id=\"")) + name + String(F("\"><label for=\"")) + name + String("\">") + label + String(F("</label"));
+      html += String(F(" id=\"")) + name + String("\">");
-    html += String(">");
+    if (label.length()) {
+      String  labelTag = String(F("<label for=\"")) + name + String(F("\">")) + label + String(F("</label>"));
+      if (labelPosition == AC_Infront)
+        html = labelTag + html;
+      else if (labelPosition == AC_Behind)
+        html += labelTag;
+    }
     html = AutoConnectElementBasis::posterior(html);
   }
   return html;

src/AutoConnectElementJson.h

@@ -19,6 +19,7 @@
 #define AUTOCONNECT_JSON_KEY_ELEMENT      "element"
 #define AUTOCONNECT_JSON_KEY_FORMAT       "format"
 #define AUTOCONNECT_JSON_KEY_LABEL        "label"
+#define AUTOCONNECT_JSON_KEY_LABELPOSITION "labelposition"
 #define AUTOCONNECT_JSON_KEY_MENU         "menu"
 #define AUTOCONNECT_JSON_KEY_NAME         "name"
 #define AUTOCONNECT_JSON_KEY_OPTION       "option"
@@ -42,10 +43,12 @@
 #define AUTOCONNECT_JSON_TYPE_ACSTYLE     "ACStyle"
 #define AUTOCONNECT_JSON_TYPE_ACSUBMIT    "ACSubmit"
 #define AUTOCONNECT_JSON_TYPE_ACTEXT      "ACText"
+#define AUTOCONNECT_JSON_VALUE_BEHIND     "behind"
 #define AUTOCONNECT_JSON_VALUE_BR         "br"
 #define AUTOCONNECT_JSON_VALUE_EXTERNAL   "extern"
 #define AUTOCONNECT_JSON_VALUE_FS         "fs"
 #define AUTOCONNECT_JSON_VALUE_HORIZONTAL "horizontal"
+#define AUTOCONNECT_JSON_VALUE_INFRONT    "infront"
 #define AUTOCONNECT_JSON_VALUE_NONE       "none"
 #define AUTOCONNECT_JSON_VALUE_PAR        "par"
 #define AUTOCONNECT_JSON_VALUE_SD         "sd"
@@ -163,11 +166,12 @@ class AutoConnectButtonJson : public AutoConnectElementJson, public AutoConnectB
  */
 class AutoConnectCheckboxJson : public AutoConnectElementJson, public AutoConnectCheckboxBasis {
  public:
-  explicit AutoConnectCheckboxJson(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosterior_t post = AC_Tag_BR) {
+  explicit AutoConnectCheckboxJson(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosition_t labelPosition = AC_Behind, const ACPosterior_t post = AC_Tag_BR) {
     AutoConnectCheckboxBasis::name = String(name);
     AutoConnectCheckboxBasis::value = String(value);
     AutoConnectCheckboxBasis::label = String(label);
     AutoConnectCheckboxBasis::checked = checked;
+    AutoConnectCheckboxBasis::labelPosition = labelPosition;
     AutoConnectCheckboxBasis::post = post;
     _defaultPost = AC_Tag_BR;
   }

src/AutoConnectElementJsonImpl.h

@@ -139,7 +139,7 @@ void AutoConnectButtonJson::serialize(JsonObject& json) {
  */
 size_t AutoConnectCheckboxJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(2);
-  size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_CHECKED);
+  size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_CHECKED) + sizeof(AUTOCONNECT_JSON_KEY_LABELPOSITION) + sizeof(AUTOCONNECT_JSON_VALUE_INFRONT);
   return size;
 }
 
@@ -157,6 +157,17 @@ bool AutoConnectCheckboxJson::loadMember(const JsonObject& json) {
       label = json[F(AUTOCONNECT_JSON_KEY_LABEL)].as<String>();
     if (json.containsKey(F(AUTOCONNECT_JSON_KEY_CHECKED)))
       checked = json[F(AUTOCONNECT_JSON_KEY_CHECKED)].as<bool>();
+    if (json.containsKey(F(AUTOCONNECT_JSON_KEY_LABELPOSITION))) {
+      String  position = json[F(AUTOCONNECT_JSON_KEY_LABELPOSITION)].as<String>();
+      if (position.equalsIgnoreCase(F(AUTOCONNECT_JSON_VALUE_BEHIND)))
+        labelPosition = AC_Behind;
+      else if (position.equalsIgnoreCase(F(AUTOCONNECT_JSON_VALUE_INFRONT)))
+        labelPosition = AC_Infront;
+      else {
+        AC_DBG("Failed to load %s element, unknown label position:%s\n", name.c_str(), position.c_str());
+        return false;
+      }
+    }
     return true;
   }
   return false;
@@ -173,6 +184,8 @@ void AutoConnectCheckboxJson::serialize(JsonObject& json) {
   json[F(AUTOCONNECT_JSON_KEY_VALUE)] = value;
   json[F(AUTOCONNECT_JSON_KEY_LABEL)] = label;
   json[F(AUTOCONNECT_JSON_KEY_CHECKED)] = checked;
+  if (labelPosition == AC_Infront)
+    json[F(AUTOCONNECT_JSON_KEY_LABELPOSITION)] = AUTOCONNECT_JSON_VALUE_INFRONT;
 }
 
 /**