Fix - toggling of statbox was not working in all situations

Author: linev

changes.md

@@ -1,5 +1,9 @@
 # JSROOT changelog
 
+## Changes in 4.4.x
+1. Fix - toggling of statbox was not working in all situations 
+
+
 ## Changes in 4.4.3
 1. Fix - wrong selection of TH1 Y axis range when errors are displayed (#44) 
 2. Fix - apply user range for TH1 X-axis zooming (#44)   

scripts/JSRootPainter.js

@@ -4827,31 +4827,31 @@
 
    JSROOT.THistPainter.prototype.ToggleStat = function(arg) {
 
-      var stat = this.FindStat();
+      var stat = this.FindStat(), statpainter = null;
 
       if (stat == null) {
          if (arg=='only-check') return false;
          // when statbox created first time, one need to draw it
          stat = this.CreateStat();
-
-         this.svg_canvas().property('current_pad', this.pad_name);
-         JSROOT.draw(this.divid, stat);
-         this.svg_canvas().property('current_pad', '');
-
-         return true;
+      } else {
+         statpainter = this.FindPainterFor(stat);
       }
 
-      var statpainter = this.FindPainterFor(stat);
-      if (statpainter == null) return false;
+      if (arg=='only-check') return statpainter ? statpainter.Enabled : false;
 
-      if (arg=='only-check') return statpainter.Enabled;
+      if (statpainter) {
+         statpainter.Enabled = !statpainter.Enabled;
+         // when stat box is drawed, it always can be draw individualy while it
+         // should be last for colz RedrawPad is used
+         statpainter.Redraw();
+         return statpainter.Enabled;
+      }
 
-      statpainter.Enabled = !statpainter.Enabled;
-      // when stat box is drawed, it always can be draw individualy while it
-      // should be last for colz RedrawPad is used
-      statpainter.Redraw();
+      this.svg_canvas().property('current_pad', this.pad_name);
+      JSROOT.draw(this.divid, stat);
+      this.svg_canvas().property('current_pad', '');
 
-      return statpainter.Enabled;
+      return true;
    }
 
    JSROOT.THistPainter.prototype.IsAxisZoomed = function(axis) {