From: Evert Timberg <evert.timberg+github@gmail.com>
Date: Fri, 6 May 2016 11:57:28 +0000 (-0400)
Subject: Fix time scale grid lines
X-Git-Tag: v2.1.1~1^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F2475%2Fhead;p=thirdparty%2FChart.js.git

Fix time scale grid lines
---

diff --git a/src/scales/scale.time.js b/src/scales/scale.time.js
index 2feeda863..b57a09113 100644
--- a/src/scales/scale.time.js
+++ b/src/scales/scale.time.js
@@ -307,6 +307,7 @@ module.exports = function(Chart) {
 			}
 		},
 		convertTicksToLabels: function() {
+			this.tickMoments = this.ticks;
 			this.ticks = this.ticks.map(this.tickFormatFunction, this);
 		},
 		getPixelForValue: function(value, index, datasetIndex, includeOffset) {
@@ -332,6 +333,9 @@ module.exports = function(Chart) {
 				}
 			}
 		},
+		getPixelForTick: function(index, includeOffset) {
+			return this.getPixelForValue(this.tickMoments[index], null, null, includeOffset);
+		},
 		getValueForPixel: function(pixel) {
 			var innerDimension = this.isHorizontal() ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom);
 			var offset = (pixel - (this.isHorizontal() ? this.left + this.paddingLeft : this.top + this.paddingTop)) / innerDimension;