logoImg is obtained via API

frontend-js/src/main/js/ConfigurationType.js

@@ -2,6 +2,7 @@
 
 var ConfigurationType = {
   DEFAULT_MAP : "DEFAULT_MAP",
+  LOGO_IMG  : "LOGO_IMG",
 };
 
 module.exports = ConfigurationType;

frontend-js/src/main/js/ServerConnector.js

@@ -49,13 +49,6 @@ ServerConnector.lastActualization = 0;
 
 ServerConnector._customMap = null;
 
-/**
- * Get name of the file that should be used as logo.
- */
-ServerConnector.getLogoImg = function() {
-  return document.getElementById('logoImg').value;
-};
-
 /**
  * Get link to the website that should be accessed when clicking on
  * {@link ServerConnector.getLogoImg}.
@@ -1041,6 +1034,10 @@ ServerConnector.getProjectId = function(projectId) {
   }
 };
 
+ServerConnector.getLogoImg = function() {
+  return this.getConfigurationParam(ConfigurationType.LOGO_IMG);
+};
+
 ServerConnector.getOverlayById = function(layoutId, projectId) {
   var self = this;
   return new Promise(function(resolve, reject) {

frontend-js/src/main/js/map/CustomMap.js

@@ -106,11 +106,12 @@ CustomMap.prototype.createLogo = function() {
 
   var logoControlDiv2 = document.createElement('DIV');
   var logo2 = document.createElement('IMG');
-  var url = ServerConnector.getLogoImg();
-  if (!/^(f|ht)tps?:\/\//i.test(url)) {
-    url = GuiConnector.getImgPrefix() + url;
-  }
-  logo2.src = url;
+  ServerConnector.getLogoImg().then(function(url){
+    if (!/^(f|ht)tps?:\/\//i.test(url)) {
+      url = GuiConnector.getImgPrefix() + url;
+    }
+    logo2.src = url;
+  });
   logo2.style.cursor = 'pointer';
   logo2.style.width = "80px";
   logoControlDiv2.appendChild(logo2);

frontend-js/src/test/js/ServerConnector-mock.js

@@ -84,10 +84,6 @@ ServerConnectorMock.callListeners = function(type, param) {
   }
 };
 
-ServerConnectorMock.getLogoImg = function() {
-  return "marker/empty.png";
-};
-
 ServerConnectorMock.getZoomLevel = function() {
   return this.zoomLevel;
 };

web/src/main/webapp/WEB-INF/components/map/map.xhtml

@@ -38,7 +38,6 @@
 			<h:inputHidden id="selectedDrugPolygon" value="#{drugMB.polygon}"/>
 
       <input type="hidden" id="logoLink" value="#{configurationMB.logoLink}" readonly="true"/>
-      <input type="hidden" id="logoImg" value="#{configurationMB.logoImg}" readonly="true"/>
 
 			<p:remoteCommand name="_actualizeParams" actionListener="#{mapMB.actualizeParams}"/>
 			<h:inputHidden id="centerCoordinateX" value="#{mapMB.topModelMapData.centerCoordinateX}"/>