Fixed bug LT-85 (Location Response Selections). Work on LT-9 and LT-12

Packages/lesiontracker/lib/clearMeasurementTimepointData.js

@@ -0,0 +1,34 @@
+clearMeasurementTimepointData = function(measurementId, timepointId) {
+    var data = Measurements.findOne(measurementId);
+
+    // Check that this Measurement actually contains data for this timepoint
+    if (!data || !data.timepoints[timepointId]) {
+        return;
+    }
+
+    // Clear the Measurement data for this timepoint
+    var imageId = data.timepoints[timepointId].imageId;
+    var toolType = data.isTarget ? 'lesion' : 'nonTarget';
+    removeToolDataWithMeasurementId(imageId, toolType, measurementId);
+
+    // Update any viewports that are currently displaying this imageId
+    var enabledElements = cornerstone.getEnabledElementsByImageId(imageId);
+    enabledElements.forEach(function(enabledElement) {
+        cornerstone.updateImage(enabledElement.element);
+    });
+
+    delete data.timepoints[timepointId];
+
+    if (Object.keys(data.timepoints).length === 0) {
+        Meteor.call("removeMeasurement", measurementId, function(error, response) {
+            console.log('Removed!');
+        });
+    } else {
+        // Update the Timepoint object of the Measurement document
+        Measurements.update(measurementId, {
+            $set: {
+                timepoints: data.timepoints
+            }
+        });
+    }
+};