From dce542a8a916a2d05d8d05b11ec9f247344cfb52 Mon Sep 17 00:00:00 2001
From: Chris van Marle <qistoph@gmail.com>
Date: Thu, 11 Oct 2018 14:15:51 +0200
Subject: [PATCH] Tooltip regex matches #279

Tooltip shows offset and matched groups
---
 src/core/operations/RegularExpression.mjs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/core/operations/RegularExpression.mjs b/src/core/operations/RegularExpression.mjs
index 152c276e..c014394d 100644
--- a/src/core/operations/RegularExpression.mjs
+++ b/src/core/operations/RegularExpression.mjs
@@ -227,6 +227,7 @@ function regexList (input, regex, displayTotal, matches, captureGroups) {
  */
 function regexHighlight (input, regex, displayTotal) {
     let output = "",
+		title = "",
         m,
         hl = 1,
         i = 0,
@@ -241,8 +242,16 @@ function regexHighlight (input, regex, displayTotal) {
         // Add up to match
         output += Utils.escapeHtml(input.slice(i, m.index));
 
+		title = "Offset: " + m.index + "&#10;";
+		if (m.length > 1) {
+			title += "Groups:&#10;";
+			for ( let n = 1; n < m.length; ++n) {
+				title += n + ": " + m[n] + "&#10;";
+			}
+		}
+
         // Add match with highlighting
-        output += "<span class='hl"+hl+"'>" + Utils.escapeHtml(m[0]) + "</span>";
+        output += "<span class='hl"+hl+"' title='"+title+"'>" + Utils.escapeHtml(m[0]) + "</span>";
 
         // Switch highlight
         hl = hl === 1 ? 2 : 1;