Introduce panel system for match information

Change-Id: Id209cb9d928f4511d02ade47543c3486a611313e
diff --git a/dev/js/src/match/treearc.js b/dev/js/src/match/treearc.js
index badbacf..6f0690b 100644
--- a/dev/js/src/match/treearc.js
+++ b/dev/js/src/match/treearc.js
@@ -404,6 +404,10 @@
       labelE.appendChild(textNode);

 

       var labelBox   = labelE.getBBox();

+

+      if (!labelBox)

+        console.log("----");

+      

       var textWidth  = labelBox.width; // labelE.getComputedTextLength();

       var textHeight = labelBox.height; // labelE.getComputedTextLength();