Fix timed activecode button bugs

runestone/activecode/js/timed_activecode.js

@@ -9,6 +9,7 @@ TimedActiveCode.prototype.timedInit = function (opts) {
     this.init(opts);
     this.renderTimedIcon(this.containerDiv);
     this.hideButtons();
+    this.needsReinitialization = true;   // the run button click listener needs to be reinitialized
 };
 
 
@@ -55,3 +56,9 @@ TimedActiveCode.prototype.processTimedSubmission = function (logFlag) {
     this.runButton.disabled = true;
     $(this.codeDiv).addClass("ac-disabled");
 };
+
+TimedActiveCode.prototype.reinitializeListeners = function () {
+    // re-attach the run button listener
+    $(this.runButton).click(this.runProg.bind(this));
+    $(this.histButton).click(this.addHistoryScrubber.bind(this));
+};

runestone/assess/js/timed.js

@@ -340,6 +340,11 @@ Timed.prototype.randomizeRQA = function () {
 Timed.prototype.renderTimedQuestion = function () {
     $(this.switchDiv).replaceWith(this.renderedQuestionArray[this.currentQuestionIndex].containerDiv);
     this.switchDiv = this.renderedQuestionArray[this.currentQuestionIndex].containerDiv;
+    // If the timed component has listeners, those need to be reinitialized
+    // This flag will only be set in the elements that need it--it will be undefined in the others and thus evaluate to false
+    if (this.renderedQuestionArray[this.currentQuestionIndex].needsReinitialization) {
+        this.renderedQuestionArray[this.currentQuestionIndex].reinitializeListeners();
+    }
 };