From f21a7238277bcdbff97475117e77929199a241b1 Mon Sep 17 00:00:00 2001
From: martin <martin>
Date: Sat, 13 Apr 2002 02:49:21 +0000
Subject: [PATCH] If the array y_tick_labels is defined, then these are used
 instead of numbers on the left-hand y-axis.  See mod/survey/graph.php for
 usage.

---
 lib/graphlib.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/graphlib.php b/lib/graphlib.php
index f742f45ce7..e566df522f 100644
--- a/lib/graphlib.php
+++ b/lib/graphlib.php
@@ -939,6 +939,7 @@ function init_y_axis() {
   $axis_size       = $this->parameter['axis_size'];
   $axis_colour     = $this->parameter['axis_colour'];
   $axis_angle      = $this->parameter['y_axis_angle'];
+  $y_tick_labels   = $this->y_tick_labels;
 
   $this->calculated['y_axis_left']['has_data'] = FALSE;
   $this->calculated['y_axis_right']['has_data'] = FALSE;
@@ -979,7 +980,11 @@ function init_y_axis() {
   if ($this->parameter['y_axis_text_left']) {
     for ($i = 0; $i < $this->parameter['y_axis_gridlines']; $i++) { // calculate y axis text sizes
       // left y axis
-      $value = number_format($startLeft, $this->parameter['y_decimal_left'], $this->parameter['decimal_point'], $this->parameter['thousand_sep']);
+      if ($y_tick_labels) {
+        $value = $y_tick_labels[$i];
+      } else {
+        $value = number_format($startLeft, $this->parameter['y_decimal_left'], $this->parameter['decimal_point'], $this->parameter['thousand_sep']);
+      }
       $this->calculated['y_axis_left']['data'][$i]  = $startLeft;
       $this->calculated['y_axis_left']['text'][$i]  = $value; // text is formatted raw data
 
-- 
2.39.5