From ad02b0e9bb9d3a3b1342f840eda3d0f84682a45f Mon Sep 17 00:00:00 2001
From: Robert Buchholz <rbu@goodpoint.de>
Date: Tue, 1 Apr 2014 17:36:19 +0200
Subject: [PATCH] Zoom out RangeSlider.Preview on double click

---
 src/js/Rickshaw.Graph.RangeSlider.Preview.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/js/Rickshaw.Graph.RangeSlider.Preview.js b/src/js/Rickshaw.Graph.RangeSlider.Preview.js
index 86b39347..5a161023 100644
--- a/src/js/Rickshaw.Graph.RangeSlider.Preview.js
+++ b/src/js/Rickshaw.Graph.RangeSlider.Preview.js
@@ -408,6 +408,15 @@ Rickshaw.Graph.RangeSlider.Preview = Rickshaw.Class.create({
 			});
 		}
 
+		function zoomOut() {
+			self.graphs.forEach(function(graph) {
+				graph.window.xMin = undefined;
+				graph.window.xMax = undefined;
+
+				graph.update();
+			});
+		}
+
 		function onMousedown() {
 			drag.target = d3.event.target;
 			drag.start = self._getClientXFromEvent(d3.event, drag);
@@ -455,6 +464,7 @@ Rickshaw.Graph.RangeSlider.Preview = Rickshaw.Class.create({
 		element.select("rect.left_handle").on("touchstart", onMousedownLeftHandle);
 		element.select("rect.right_handle").on("touchstart", onMousedownRightHandle);
 		element.select("rect.middle_handle").on("touchstart", onMousedownMiddleHandle);
+		element.on("dblclick", zoomOut);
 	},
 
 	_getClientXFromEvent: function(event, drag) {