Add auto test for isolated and gap points.

[dygraphs.git] / dygraph-utils.js

diff --git a/dygraph-utils.js b/dygraph-utils.js
index c6c3a60..f5440c7 100644 (file)
--- a/dygraph-utils.js
+++ b/dygraph-utils.js
@@ -147,6 +147,21 @@ Dygraph.addEvent = function addEvent(elem, type, fn) {
 
 /**
  * @private
+ * Add an event handler. This event handler is kept until the graph is
+ * destroyed with a call to graph.destroy().
+ *
+ * @param { DOM element } elem The element to add the event to.
+ * @param { String } type The type of the event, e.g. 'click' or 'mousemove'.
+ * @param { Function } fn The function to call on the event. The function takes
+ * one parameter: the event object.
+ */
+Dygraph.prototype.addEvent = function addEvent(elem, type, fn) {
+  Dygraph.addEvent(elem, type, fn);
+  this.registeredEvents_.push({ elem : elem, type : type, fn : fn });
+};
+
+/**
+ * @private
  * Remove an event handler. This smooths a difference between IE and the rest of
  * the world.
  * @param { DOM element } elem The element to add the event to.