From 6a9d498bf6a4370e2ff8a58204fee5ff6da08745 Mon Sep 17 00:00:00 2001
From: Jeff Avallone <jeff.avallone@gmail.com>
Date: Wed, 3 Dec 2014 18:46:48 -0500
Subject: [PATCH] Refactoring to not render connectors for a Regexp with one
 Match

---
 src/js/parser/javascript/regexp.js | 41 ++++++++++++++++--------------
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/src/js/parser/javascript/regexp.js b/src/js/parser/javascript/regexp.js
index 17834eb..689c9b5 100644
--- a/src/js/parser/javascript/regexp.js
+++ b/src/js/parser/javascript/regexp.js
@@ -18,7 +18,8 @@ export default _.extend({}, Base, {
         positions,
         container = this.container,
         totalHeight,
-        verticalCenter;
+        verticalCenter,
+        includeLines = (this.matches().length > 1);
 
     _.invoke(this.matches(), 'position');
 
@@ -32,33 +33,35 @@ export default _.extend({}, Base, {
 
     totalHeight = positions.reduce((offset, pos) => {
       pos.content.transform(Snap.matrix()
-        .translate(center - pos.box.cx + 20, offset));
+        .translate(center - pos.box.cx + (includeLines ? 20 : 0), offset));
 
       return offset + pos.box.height + 5;
     }, 0).value() - 5;
 
     verticalCenter = totalHeight / 2
 
-    positions.each(pos => {
-      var box = pos.content.getBBox(),
-          direction = box.cy > verticalCenter ? 1 : -1,
-          pathStr,
-          path;
+    if (includeLines) {
+      positions.each(pos => {
+        var box = pos.content.getBBox(),
+            direction = box.cy > verticalCenter ? 1 : -1,
+            pathStr,
+            path;
 
-      pathStr = (verticalCenter === box.cy) ?
-        'M0,{center}H{side}' :
-        'M0,{center}q10,0 10,{d}V{target}q0,{d} 10,{d}H{side}';
+        pathStr = (verticalCenter === box.cy) ?
+          'M0,{center}H{side}' :
+          'M0,{center}q10,0 10,{d}V{target}q0,{d} 10,{d}H{side}';
 
-      path = container.path(Snap.format(pathStr, {
-        center: verticalCenter,
-        target: box.cy - 10 * direction,
-        side: box.x,
-        d: 10 * direction
-      }));
+        path = container.path(Snap.format(pathStr, {
+          center: verticalCenter,
+          target: box.cy - 10 * direction,
+          side: box.x,
+          d: 10 * direction
+        }));
 
-      path.clone().transform(Snap.matrix()
-        .scale(-1, 1, center + 20, 0));
-    });
+        path.clone().transform(Snap.matrix()
+          .scale(-1, 1, center + 20, 0));
+      });
+    }
   },
 
   matches() {