Fix for MX7.4 conditional visibility

Author: Jelte Lagendijk

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ChartJS",
-  "version": "3.6.0",
+  "version": "3.6.1",
   "description": "This widget is a wrapper for the ChartJS library and you can use it to visualize your aggregated data.",
   "license": "Apache License, Version 2",
   "author": "Mendix",

src/ChartJS/widgets/Core.js

@@ -75,6 +75,7 @@ define([
         _addedToBody: false,
 
         _tooltipNode: null,
+        _destroyed: false,
 
         startup: function () {
             logger.debug(this.id + ".startup");
@@ -132,7 +133,7 @@ define([
             this._data.datasets.push(set);
 
             this._datasetCounter--;
-            if (this._datasetCounter === 0) {
+            if (this._datasetCounter === 0 && !this._destroyed) {
                 this._processData();
             }
         },
@@ -258,6 +259,8 @@ define([
         uninitialize: function () {
             logger.debug(this.id + ".uninitialize");
 
+            this._destroyed = true;
+
             //console.log(this._data);
             if (this._handle !== null) {
                 this.unsubscribe(this._handle);

src/ChartJS/widgets/DoughnutChart/widget/DoughnutChart.js

@@ -104,7 +104,7 @@ define([
                 this._resize();
             }));
 
-            if (this.numberInside) {
+            if (this.numberInside && this._numberNode) {
                 var content = this._data.object.get(this.numberInside);
                 html.set(this._numberNode, content !== null ? content.toString() : "");
             }

src/ChartJS/widgets/PieChart/widget/PieChart.js

@@ -106,7 +106,7 @@ define([
                 };
                 this._chart = new this._chartJS(this._ctx, chartProperties);
 
-                if (this.numberInside) {
+                if (this.numberInside && this._numberNode) {
                     var content = this._data.object.get(this.numberInside);
                     html.set(this._numberNode, content !== null ? content.toString() : "");
                 }

src/package.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://www.mendix.com/package/1.0/">
-    <clientModule name="ChartJS" version="3.6.0" xmlns="http://www.mendix.com/clientModule/1.0/">
+    <clientModule name="ChartJS" version="3.6.1" xmlns="http://www.mendix.com/clientModule/1.0/">
         <widgetFiles>
             <widgetFile path="ChartJS/widgets/BarChart/BarChart.xml"/>
             <widgetFile path="ChartJS/widgets/LineChart/LineChart.xml"/>