From 669ad174dff994a3289dda71a90176869f1a0f3e Mon Sep 17 00:00:00 2001
From: pkalakota <pkalakota@innominds.com>
Date: Fri, 3 Feb 2017 01:51:01 +0530
Subject: [PATCH] double click handler implementation

---
 src/config.js      |  3 ++-
 src/interaction.js | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/config.js b/src/config.js
index c127be5..d4194b5 100644
--- a/src/config.js
+++ b/src/config.js
@@ -52,6 +52,7 @@ c3_chart_internal_fn.getDefaultConfig = function () {
         data_selection_multiple: true,
         data_selection_draggable: false,
         data_onclick: function () {},
+        data_ondblclick: function () {},
         data_onmouseover: function () {},
         data_onmouseout: function () {},
         data_onselected: function () {},
@@ -121,7 +122,7 @@ c3_chart_internal_fn.getDefaultConfig = function () {
         axis_y_label: {},
         axis_y_tick_format: undefined,
         axis_y_tick_outer: true,
-        axis_y_tick_values: null,        
+        axis_y_tick_values: null,
         axis_y_tick_rotate: 0,
         axis_y_tick_count: undefined,
         axis_y_tick_time_value: undefined,
diff --git a/src/interaction.js b/src/interaction.js
index c6203d9..ea694f5 100644
--- a/src/interaction.js
+++ b/src/interaction.js
@@ -214,6 +214,31 @@ c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
                 }
             });
         })
+        .call(
+            config.data_selection_draggable && $$.drag ? (
+                d3.behavior.drag().origin(Object)
+                    .on('drag', function () { $$.drag(d3.mouse(this)); })
+                    .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+                    .on('dragend', function () { $$.dragend(); })
+            ) : function () {}
+        )
+        .on('dblclick', function (d) {
+            var index = d.index;
+            if ($$.hasArcType() || !$$.toggleShape) { return; }
+            if ($$.cancelClick) {
+                $$.cancelClick = false;
+                return;
+            }
+            if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+                index -= 1;
+            }
+            $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+                if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
+                    $$.toggleShape(this, d, index);
+                    $$.config.data_ondblclick.call($$.api, d, this);
+                }
+            });
+        })
         .call(
             config.data_selection_draggable && $$.drag ? (
                 d3.behavior.drag().origin(Object)