Bug fixes in 2.23.1

CHANGES.txt

@@ -1,3 +1,12 @@
+Version 2.23.1 (03/08/2016)
+--------------
+- Added datetime_key_format option.
+- Fixed per-dataset stroke_width with a 0 value.
+- Fixed default structure missing values with string keys when main key is 0.
+- Fixed error when using datetime keys with multiple unstructured datasets.
+- Fixed legend autohide not working when no other Javascript options enabled.
+- Fixed error in radar graphs when given some dual-Y axis settings.
+
 Version 2.23 (22/06/2016)
 ------------
 - Added date/time axis.

README.txt

@@ -1,5 +1,5 @@
-SVGGraph Library version 2.23
-=============================
+SVGGraph Library version 2.23.1
+===============================
 
 This library provides PHP classes and functions for easily creating SVG
 graphs from data. As of version 2.0, SVGGraph works with PHP 5 only -

SVGGraphJavascript.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright (C) 2012-2015 Graham Breach
+ * Copyright (C) 2012-2016 Graham Breach
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -472,6 +472,7 @@ function svgCursorCoords(e) {
       $this->AddFunction('init');
       $this->AddFunction('getE');
       $this->AddFunction('setattr');
+      $this->AddFunction('finditem');
       $this->InsertVariable('initfns', NULL, 'autoHide');
       $fn = <<<JAVASCRIPT
 function autoHide() {

SVGGraphMultiGraph.php

@@ -54,9 +54,10 @@ public function __construct($values, $force_assoc, $datetime_keys, $int_keys)
         }
       }
       $new_data = array_values($new_data);
+
       require_once('SVGGraphStructuredData.php');
       $this->values = new SVGGraphStructuredData($new_data, $force_assoc,
-        $datetime_keys, null, false, $int_keys, null);
+        $datetime_keys, null, false, $int_keys, null, true);
     }
     $this->datasets = count($this->values);
   }

SVGGraphRadarGraph.php

@@ -629,7 +629,8 @@ protected function XAxisTextPositions(&$points, $xoff, $yoff, $angle, $inside)
           $position['transform'] = "rotate($angle,$rcx,$rcy)";
         }
         // $c == -1 is particular too : XAxis text can bump YAxis texts
-        $y_nudge = $this->GetFirst($this->axis_font_size_v,
+        $y_nudge = $this->GetFirst(
+          $this->ArrayOption($this->axis_font_size_v, 0),
           $this->axis_font_size) / 2;
         if($c == -1 && $this->start_angle % 360 == 90) {
           $position['y'] -= $y_nudge;
@@ -682,9 +683,15 @@ protected function YAxisTextPositions(&$points, $xoff, $yoff, $angle, $inside, $
   {
     $positions = array();
     $labels = '';
-    $font_size = $this->GetFirst($this->axis_font_size_v, $this->axis_font_size);
-    $font_adjust = $this->GetFirst($this->axis_font_adjust_v, $this->axis_font_adjust);
-    $text_space = $this->GetFirst($this->axis_text_space_v, $this->axis_text_space);
+    $font_size = $this->GetFirst(
+      $this->ArrayOption($this->axis_font_size_v, $axis_no),
+      $this->axis_font_size);
+    $font_adjust = $this->GetFirst(
+      $this->ArrayOption($this->axis_font_adjust_v, $axis_no),
+      $this->axis_font_adjust);
+    $text_space = $this->GetFirst(
+      $this->ArrayOption($this->axis_text_space_v, $axis_no),
+      $this->axis_text_space);
     $c = cos($this->arad);
     $s = sin($this->arad);
     $a = $this->arad + ($s * $c > 0 ? - M_PI_2 : M_PI_2);

SVGGraphStructuredData.php

@@ -41,7 +41,8 @@ class SVGGraphStructuredData implements Countable, ArrayAccess, Iterator {
   public $error = null;
 
   public function __construct(&$data, $force_assoc, $datetime_keys,
-    $structure, $repeated_keys, $integer_keys, $requirements)
+    $structure, $repeated_keys, $integer_keys, $requirements,
+    $rekey_done = FALSE)
   {
     if(!is_null($structure) && !empty($structure)) {
       // structure provided, is it valid?
@@ -111,13 +112,15 @@ public function __construct(&$data, $force_assoc, $datetime_keys,
       // reindex the array to 0, 1, 2, ...
       $this->data = array_values($this->data);
       if($datetime_keys) {
-        if($this->Rekey('SVGGraphDateConvert')) {
+        if($rekey_done || $this->Rekey('SVGGraphDateConvert')) {
           $this->datetime = true;
           $this->assoc = false;
         } else {
           $this->error = 'Too many date/time conversion errors';
           return;
         }
+        $GLOBALS['SVGGraphFieldSortField'] = $this->key_field;
+        usort($this->data, 'SVGGraphFieldSort');
       }
     } elseif(!is_null($this->key_field)) {
       // if not associative, sort by key field