Add interaction.enabled option - #215

c3.js

@@ -118,6 +118,8 @@
             __zoom_extent = getConfig(['zoom', 'extent']),
             __zoom_privileged = getConfig(['zoom', 'privileged'], false);
 
+        var __interaction_enabled = getConfig(['interaction', 'enabled'], true);
+
         var __onenter = getConfig(['onenter'], function () {}),
             __onleave = getConfig(['onleave'], function () {}),
             __onresize = getConfig(['onresize'], function () {}),
@@ -3494,6 +3496,7 @@
                 .attr("cx", __axis_rotated ? circleY : circleX)
                 .attr("cy", __axis_rotated ? circleX : circleY);
 
+            if (__interaction_enabled) {
                 // rect for mouseover
                 eventRect = main.select('.' + CLASS.eventRects);
                 if (notEmpty(__data_xs) && !isSingleX(__data_xs)) {
@@ -3555,6 +3558,7 @@
                     // exit
                     eventRectUpdate.exit().remove();
                 }
+            }
 
             // update fadein condition
             mapToIds(c3.data.targets).forEach(function (id) {