Issue #365 - Hide the chart when no question or data is available

* This is a quick fix for the Chart Builder tab
* There are still some glitches that need to be addressed, but they
  will be done in the refactor

Dashboard/app/js/lib/views/reports/report-views.js

@@ -22,8 +22,11 @@ FLOW.chartView = FLOW.View.extend({
     this.chartType = FLOW.chartTypeControl.content[0];
   },
 
+  hideChart: function () {
+	  return this.get('noChoiceBool') || this.get('noDataBool');
+  }.property('noChoiceBool', 'noDataBool'),
+
   getChartData: function () {
-    //   createBarChart();
     this.set('noChoiceBool', false);
     if (FLOW.selectedControl.get('selectedQuestion') !== null) {
       FLOW.surveyQuestionSummaryControl.doSurveyQuestionSummaryQuery(FLOW.selectedControl.selectedQuestion.get('keyId'));
@@ -41,10 +44,11 @@ FLOW.chartView = FLOW.View.extend({
       maxPer, i, tot, totPerc;
 
     deleteChart();
+
     if (FLOW.surveyQuestionSummaryControl.content.get('isLoaded') === true) {
       FLOW.chartDataControl.set('total', FLOW.surveyQuestionSummaryControl.content.get('length'));
       if (FLOW.chartDataControl.get('total') == 0) {
-    	  this.set('noDataBool',true);
+          this.set('noDataBool', true);
     	  return;
       } else {
     	  this.set('noDataBool', false);

Dashboard/app/js/templates/navReports/chart-reports.handlebars

@@ -46,9 +46,11 @@
       <p class="errorMsg">There is no data available for this question. Please select another one.</p>
     {{/if}}
      	<h3 class="chartTitle">{{FLOW.selectedControl.selectedQuestion.text}}</h3>
+    {{#unless view.hideChart}}
         <div id="piechart">
 			<p>Choose a Question from above selectors.</p> 	
 		</div>
+    {{/unless}}
 {{/view}}
 
  <script type="text/javascript">