LicenseStatisticWidget js refactor

samples/DashboardDemo/src/DashboardDemo.Web/Pages/Shared/Components/LicenseStatisticWidget/Default.js

@@ -3,27 +3,6 @@
 
         var _chart;
 
-        var createChart = function(statistic) {
-            _chart = new Chart($wrapper.find('.LicenseStatisticChart'),
-                {
-                    type: 'pie',
-                    data: {
-                        labels: Object.keys(statistic.data),
-                        datasets: [
-                            {
-                                label: 'License ratios',
-                                data: Object.values(statistic.data),
-                                backgroundColor: [
-                                    'rgba(50, 150, 255, 1)',
-                                    'rgba(150, 255, 100, 1)',
-                                    'rgba(255, 100, 150, 1)'
-                                ]
-                            }
-                        ]
-                    }
-                });
-        };
-
         var refreshChart = function(statistic) {
             _chart.data = {
                 labels: Object.keys(statistic.data),
@@ -52,14 +31,19 @@
                 });
         };
 
-        var init = function(filters) {
-            render(filters, createChart);
-        };
-
         var refresh = function(filters) {
             render(filters, refreshChart);
         };
 
+        var init = function (filters) {
+            _chart = new Chart($wrapper.find('.LicenseStatisticChart'),
+                {
+                    type: 'pie'
+                });
+
+            refresh(filters);
+        };
+
         return {
             init: init,
             refresh: refresh