Move Global.solarCharger.chargerStateToText() to enums.h

This is to prepare for removing Global.solarChargers.

Part of #1400

data/SolarChargers.qml

@@ -44,36 +44,5 @@ QtObject {
 		}
 	}
 
-	function chargerStateToText(state) {
-		switch (state) {
-		case VenusOS.SolarCharger_State_Off:
-			//% "Off"
-			return qsTrId("solarchargers_state_off")
-		case VenusOS.SolarCharger_State_Fault:
-			//% "Fault"
-			return qsTrId("solarchargers_state_fault")
-		case VenusOS.SolarCharger_State_Bulk:
-			//% "Bulk"
-			return qsTrId("solarchargers_state_bulk")
-		case VenusOS.SolarCharger_State_Absorption:
-			//% "Absorption"
-			return qsTrId("solarchargers_state_absorption")
-		case VenusOS.SolarCharger_State_Float:
-			//% "Float"
-			return qsTrId("solarchargers_state_float")
-		case VenusOS.SolarCharger_State_Storage:
-			//% "Storage"
-			return qsTrId("solarchargers_state_storage")
-		case VenusOS.SolarCharger_State_Equalize:
-			//% "Equalize"
-			return qsTrId("solarchargers_state_equalize")
-		case VenusOS.SolarCharger_State_ExternalControl:
-			//% "External control"
-			return qsTrId("solarchargers_state_external control")
-		default:
-			return ""
-		}
-	}
-
 	Component.onCompleted: Global.solarChargers = root
 }

pages/solar/SolarChargerPage.qml

@@ -26,7 +26,7 @@ Page {
 					model: [
 						{
 							title: CommonWords.state,
-							text: Global.solarChargers.chargerStateToText(root.solarCharger.state),
+							text: VenusOS.solarCharger_stateToText(root.solarCharger.state),
 							unit: VenusOS.Units_None,
 						},
 						{

src/enums.cpp

@@ -191,5 +191,37 @@ QString Enums::pvInverter_statusCodeToText(PvInverter_StatusCode statusCode) con
 	}
 }
 
+QString Enums::solarCharger_stateToText(SolarCharger_State state) const
+{
+	switch (state) {
+	case SolarCharger_State_Off:
+		//% "Off"
+		return qtTrId("solarchargers_state_off");
+	case SolarCharger_State_Fault:
+		//% "Fault"
+		return qtTrId("solarchargers_state_fault");
+	case SolarCharger_State_Bulk:
+		//% "Bulk"
+		return qtTrId("solarchargers_state_bulk");
+	case SolarCharger_State_Absorption:
+		//% "Absorption"
+		return qtTrId("solarchargers_state_absorption");
+	case SolarCharger_State_Float:
+		//% "Float"
+		return qtTrId("solarchargers_state_float");
+	case SolarCharger_State_Storage:
+		//% "Storage"
+		return qtTrId("solarchargers_state_storage");
+	case SolarCharger_State_Equalize:
+		//% "Equalize"
+		return qtTrId("solarchargers_state_equalize");
+	case SolarCharger_State_ExternalControl:
+		//% "External control"
+		return qtTrId("solarchargers_state_external control");
+	default:
+		return QString();
+	}
+}
+
 }
 }

src/enums.h

@@ -737,6 +737,8 @@ class Enums : public QObject
 	Q_INVOKABLE QString digitalInput_stateToText(DigitalInput_State state) const;
 
 	Q_INVOKABLE QString pvInverter_statusCodeToText(PvInverter_StatusCode statusCode) const;
+
+	Q_INVOKABLE QString solarCharger_stateToText(SolarCharger_State state) const;
 };
 
 }