unnecessary promise removed

frontend-js/src/main/js/gui/Legend.js

@@ -40,29 +40,31 @@ Legend.prototype._initializeGui = function() {
     type : "div",
     name : "slides",
     className : "carousel-inner",
-    role:"listbox",
+    role : "listbox",
   });
   legendDiv.appendChild(slidesDiv);
   self.setControlElement(PanelControlElementType.LEGEND_SLIDES_DIV, slidesDiv);
 
-  var leftButton = Functions.createElement({
-    type : "a",
-    className : "left carousel-control",
-    role:"button",
-    href:"#legend-div",
-    content: '<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span><span class="sr-only">Previous</span>',
-  });
-  leftButton.setAttribute("data-slide", "prev" );
+  var leftButton = Functions
+      .createElement({
+        type : "a",
+        className : "left carousel-control",
+        role : "button",
+        href : "#legend-div",
+        content : '<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span><span class="sr-only">Previous</span>',
+      });
+  leftButton.setAttribute("data-slide", "prev");
   legendDiv.appendChild(leftButton);
 
-  var rightButton = Functions.createElement({
-    type : "a",
-    className : "right carousel-control",
-    role:"button",
-    href:"#legend-div",
-    content: '<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span><span class="sr-only">Next</span>',
-  });
-  rightButton.setAttribute("data-slide", "next" );
+  var rightButton = Functions
+      .createElement({
+        type : "a",
+        className : "right carousel-control",
+        role : "button",
+        href : "#legend-div",
+        content : '<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span><span class="sr-only">Next</span>',
+      });
+  rightButton.setAttribute("data-slide", "next");
   legendDiv.appendChild(rightButton);
 };
 
@@ -76,20 +78,19 @@ Legend.prototype.show = function() {
 function createLegendIndicator(file, index) {
   var result = document.createElement("li");
   result.setAttribute("data-target", "legend");
-  result.setAttribute("data-slide-to", ""+index);
-  if (index ===0) {
-    result.className="active";
+  result.setAttribute("data-slide-to", "" + index);
+  if (index === 0) {
+    result.className = "active";
   }
   return result;
 }
 
-
 function createLegendSlide(file, index) {
   var result = document.createElement("div");
-  if (index ===0) {
-    result.className="item active";
+  if (index === 0) {
+    result.className = "item active";
   } else {
-    result.className="item";
+    result.className = "item";
   }
   var img = document.createElement("img");
   img.src = file;
@@ -100,21 +101,16 @@ function createLegendSlide(file, index) {
 Legend.prototype.init = function() {
   var self = this;
   var element = self.getElement();
-  return new Promise(function(resolve,reject){
-    
-    var menu = self.getControlElement(PanelControlElementType.LEGEND_INDICATIORS_OL);
-    var slides = self.getControlElement(PanelControlElementType.LEGEND_SLIDES_DIV);
-    ServerConnector.getConfigurationParam(ConfigurationType.LEGEND_FILES).then(function(legendFiles){
-      for (var i=0; i<legendFiles.length;i++) {
-        var legendFile = legendFiles[i];
-        menu.appendChild(createLegendIndicator(legendFile, i));
-        slides.appendChild(createLegendSlide(legendFile, i));
-      }
-      $(element).carousel();
-      resolve();
-    }).catch(reject);
+  var menu = self.getControlElement(PanelControlElementType.LEGEND_INDICATIORS_OL);
+  var slides = self.getControlElement(PanelControlElementType.LEGEND_SLIDES_DIV);
+  return ServerConnector.getConfigurationParam(ConfigurationType.LEGEND_FILES).then(function(legendFiles) {
+    for (var i = 0; i < legendFiles.length; i++) {
+      var legendFile = legendFiles[i];
+      menu.appendChild(createLegendIndicator(legendFile, i));
+      slides.appendChild(createLegendSlide(legendFile, i));
+    }
+    $(element).carousel();
   });
 };
 
-
 module.exports = Legend;