From 5778f91fbed2474078db2d2eaea6d8abcd69ca08 Mon Sep 17 00:00:00 2001
From: Joseph Schorr <jschorr@gmail.com>
Date: Mon, 2 Dec 2013 18:20:42 -0500
Subject: [PATCH] Allow clicking on chart elements to toggle back to the full
 view

---
 static/js/graphing.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/static/js/graphing.js b/static/js/graphing.js
index 0a141c182..834b2d363 100644
--- a/static/js/graphing.js
+++ b/static/js/graphing.js
@@ -1418,8 +1418,13 @@ LogUsageChart.prototype.handleElementClicked_ = function(e) {
   var kind = e.series.kind;
   var disabled = [];
 
+  var enabledCount = 0;
   for (var i = 0; i < this.data_.length; ++i) {
-    disabled.push(this.data_[i].key != key);
+    enabledCount += (this.chart_.multibar.disabled()[i] ? 0 : 1);
+  }
+
+  for (var i = 0; i < this.data_.length; ++i) {
+    disabled.push(enabledCount == 1 ? false : this.data_[i].key != key);
   }
 
   var allowed = {};
@@ -1428,7 +1433,7 @@ LogUsageChart.prototype.handleElementClicked_ = function(e) {
   this.chart_.dispatch.changeState({ 'disabled': disabled });
   $(this).trigger({
     'type': 'filteringChanged',
-    'allowed': allowed
+    'allowed': enabledCount == 1 ? null : allowed
   });
 };
 
@@ -1437,8 +1442,6 @@ LogUsageChart.prototype.handleElementClicked_ = function(e) {
  * Handler for when the state of the chart has changed.
  */
 LogUsageChart.prototype.handleStateChange_ = function(e) {
-    window.console.log(e);
-
   var allowed = {};
   var disabled = e.disabled;
   for (var i = 0; i < this.data_.length; ++i) {