From fdd5f9439a0d5d0e64df2f210b74928cdb623188 Mon Sep 17 00:00:00 2001
From: ville rantanen <ville.rantanen@iki.fi>
Date: Mon, 19 Jun 2017 20:35:23 +0300
Subject: [PATCH] hide non-search result headers

---
 index.html | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/index.html b/index.html
index 56953df..03ee8d9 100644
--- a/index.html
+++ b/index.html
@@ -18,6 +18,13 @@
         content:"-";
         padding-right: 0.5em;
        }
+    TD.narrow LI {
+        margin-bottom: 1em;
+    }
+    LI.nolink:before {
+       content:" ";
+       padding-right: 1.0em;
+    }
     A:link { text-decoration:none; color: #000000; }
     A:visited { text-decoration:none; color: #000000; }
     A:hover { text-decoration: underline; }
@@ -33,10 +40,7 @@
     #open_blank_span { cursor: pointer; font-size:16px;}
     #open_blank_box { position:relative; left: 0.0em; border: 1px solid black; padding-left: 1em; }
     #open_blank_arrow { position: relative; left: -0.5em; top: 0em; }
-    LI.nolink:before {
-       content:" ";
-       padding-right: 1.0em;
-    }
+    .hidden { display:none; }
 </STYLE>
 <script language="javascript">
 function init() {
@@ -143,6 +147,7 @@ function search_hits(needle) {
       return Array.apply(null, {length: linkList.length}).map(Number.call, Number);
   }
   hitList=[];
+  var headName="";
   for (l=0; l<linkList.length; l++) {
     var match=linkReg.exec(linkList[l].toLowerCase());
     if (match != null ) { 
@@ -154,6 +159,13 @@ function search_hits(needle) {
         if ( match[2].indexOf(needle)>-1 ) { hitList.push(l); }
         continue
     }
+    if (match===null) {
+       /* not a link, match anyway */
+       if (linkList[l].toLowerCase().indexOf(needle)>-1) {
+         hitList.push(l);
+         continue
+       }
+    }
   }
   return hitList
 }
@@ -165,6 +177,7 @@ function open_link(c) {
     if (match != null ) { location.href=match[2]; return }
     return
 }
+var cats=[];
 function print_results(hitList) {
     var doc=document.getElementById("main");
     doc.innerHTML="";
@@ -174,18 +187,29 @@ function print_results(hitList) {
     doc.appendChild(tbl);
     var str="";
     var cat=0;
+    cats=[];
     for (c=0; c<linkList.length; c++) {
         if ( linkList[c].substring(0,2) == "# " ) {
-          if (cat%config.columns==0 || narrow_window()) { tbody.innerHTML+="<tr>"; }
+          var name=linkList[c].substring(1).trim().replace(/ /g,"");
           var td=document.createElement("td");
+          td.id="td_"+name;
+          if (narrow_window()) { td.className+=" narrow"; }
+          if (cat%config.columns==0 || narrow_window()) { 
+            tbody.innerHTML+="<tr>"; 
+          }
           td.innerHTML+=make_head(linkList[c]);
           tbody.appendChild(td);
+          cats.push({name:name, count:0});
           cat+=1;
         } else {
           if (hitList.indexOf(c)==-1) { continue }
           td.innerHTML+=make_link(linkList[c]);
+          cats[cat-1].count++;
         }
     }
+    for (c=0; c<cats.length; c++) {
+      if (cats[c].count==0) { document.getElementById("td_"+cats[c].name).className+=" hidden"; }
+    }
 }
 function reload_source() {
     location.href=config.source