comparison interfaces/ABX.js @ 2363:95dc0833eb0a

Merge branch 'master' of https://github.com/BrechtDeMan/WebAudioEvaluationTool

 function loadInterface() {
 	// Use this to do any one-time page / element construction. For instance, placing any stationary text objects,
 	// holding div's, or setting up any nodes which are present for the entire test sequence
     
     interfaceContext.insertPoint.innerHTML = null; // Clear the current schema
+    
+    Interface.prototype.checkScaleRange = function(min, max) {
+        var page = testState.getCurrentTestPage();
+        var audioObjects = audioEngineContext.audioObjects;
+        var state = true;
+        var str = "Please keep listening. ";
+        var minRanking = Infinity;
+        var maxRanking = -Infinity;
+        for (var ao of audioObjects) {
+            var rank = ao.interfaceDOM.getValue();
+            if (rank < minRanking) {minRanking = rank;}
+            if (rank > maxRanking) {maxRanking = rank;}
+        }
+        if (maxRanking*100 < max) {
+            str += "At least one fragment must be selected."
+            state = false;
+        }
+        if (!state) {
+            console.log(str);
+            this.storeErrorNode(str);
+            interfaceContext.lightbox.post("Message",str);
+        }
+        return state;
+    }
     
     // Custom comparator Object
 	Interface.prototype.comparator = null;
     
     // The injection point into the HTML page

 				console.log("Please wait until sample has loaded");
 				return;
 			}
 			if (audioEngineContext.status == 0)
 			{
-				alert("Please listen to the samples before making a selection");
+				interfaceContext.lightbox.post("Message", "Please listen to the samples before making a selection");
 				console.log("Please listen to the samples before making a selection");
 				return;
             }
 			var id = event.currentTarget.parentElement.getAttribute('track-id');
 			interfaceContext.comparator.selected = id;

 	    // This function is called when the submit button is clicked. Will check for any further tests to perform, or any post-test options
 	    } else
 	    {
 	        if (audioEngineContext.timer.testStarted == false)
 	        {
-	            alert('You have not started the test! Please press start to begin the test!');
+	            interfaceContext.lightbox.post("Warning",'You have not started the test! Please listen to a sample to begin the test!');
 	            return;
 	        }
 	    }
 	    testState.advanceState();
 	}