From 608eb616476400fb4532ae9d727dcb63f99c3643 Mon Sep 17 00:00:00 2001
From: David Fenyes <dave@greenumelec.com>
Date: Fri, 13 Sep 2024 00:02:43 -0500
Subject: [PATCH] Add configuration for read-the-org search bar

- optional {{{enable-search}}}, {{{disable-search}}}, and
{{{set-search-limit}}} org macros to enable or disable search and set
the match limit.  Default is enable search and no limit to matches.
---
 org/theme-readtheorg-local.setup  | 18 +++++++++++-
 org/theme-readtheorg.setup        | 18 +++++++++++-
 src/readtheorg_theme/js/search.js | 49 +++++++++++++++++++++++++++----
 3 files changed, 78 insertions(+), 7 deletions(-)

diff --git a/org/theme-readtheorg-local.setup b/org/theme-readtheorg-local.setup
index 8ec3dfa..5718c4a 100644
--- a/org/theme-readtheorg-local.setup
+++ b/org/theme-readtheorg-local.setup
@@ -8,5 +8,21 @@
 #+HTML_HEAD: <script type="text/javascript" src="src/lib/js/jquery.min.js"></script>
 #+HTML_HEAD: <script type="text/javascript" src="src/lib/js/bootstrap.min.js"></script>
 #+HTML_HEAD: <script type="text/javascript" src="src/lib/js/jquery.stickytableheaders.min.js"></script>
-#+HTML_HEAD: <script type="text/javascript" src="src/readtheorg_theme/js/readtheorg.js"></script>
 #+HTML_HEAD: <script type="text/javascript" src="src/readtheorg_theme/js/search.js"></script>
+#+HTML_HEAD: <script type="text/javascript" src="src/readtheorg_theme/js/readtheorg.js"></script>
+
+#+MACRO: enable-search #+HTML_HEAD: <script type="text/javascript">enableSearch();</script>
+#+MACRO: disable-search #+HTML_HEAD: <script type="text/javascript">disableSearch();</script>
+#+MACRO: set-search-limit #+HTML_HEAD: <script type="text/javascript">setSearchLimit($1);</script>
+
+* Search Configuration (v1.12) :noexport:
+Usage: Optionally place these macros after including this file, before your content.
+- {{{enable-search}}}: :: enable search bar (default)
+- {{{disable-search}}}: :: disable search bar
+- {{{set-search-limit(N)}}}: :: Limit results to N (default: 0 for no limit)
+
+Example:
+#+BEGIN_SRC org
+{{{enable-search}}}
+{{{set-search-limit(10)}}}
+#+END_SRC
diff --git a/org/theme-readtheorg.setup b/org/theme-readtheorg.setup
index 7a4361f..b21aca6 100644
--- a/org/theme-readtheorg.setup
+++ b/org/theme-readtheorg.setup
@@ -8,5 +8,21 @@
 #+HTML_HEAD: <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
 #+HTML_HEAD: <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
 #+HTML_HEAD: <script type="text/javascript" src="https://fniessen.github.io/org-html-themes/src/lib/js/jquery.stickytableheaders.min.js"></script>
-#+HTML_HEAD: <script type="text/javascript" src="https://fniessen.github.io/org-html-themes/src/readtheorg_theme/js/readtheorg.js"></script>
 #+HTML_HEAD: <script type="text/javascript" src="src/readtheorg_theme/js/search.js"></script>
+#+HTML_HEAD: <script type="text/javascript" src="https://fniessen.github.io/org-html-themes/src/readtheorg_theme/js/readtheorg.js"></script>
+
+#+MACRO: enable-search #+HTML_HEAD: <script type="text/javascript">enableSearch();</script>
+#+MACRO: disable-search #+HTML_HEAD: <script type="text/javascript">disableSearch();</script>
+#+MACRO: set-search-limit #+HTML_HEAD: <script type="text/javascript">setSearchLimit($1);</script>
+
+* Search Configuration (v1.12) :noexport:
+Usage: Optionally place these macros after including this file, before your content.
+- {{{enable-search}}}: :: enable search bar (default)
+- {{{disable-search}}}: :: disable search bar
+- {{{set-search-limit(N)}}}: :: Limit results to N (default: 0 for no limit)
+
+Example:
+#+BEGIN_SRC org
+{{{enable-search}}}
+{{{set-search-limit(10)}}}
+#+END_SRC
diff --git a/src/readtheorg_theme/js/search.js b/src/readtheorg_theme/js/search.js
index ed78ca6..99b676c 100644
--- a/src/readtheorg_theme/js/search.js
+++ b/src/readtheorg_theme/js/search.js
@@ -1,11 +1,47 @@
 // -*- mode: js2 -*-
 
-// readh-the-org-search v1.8
+// read-the-org-search
+
+// Configuration
+const SEARCH_VERSION = "v1.12";
+
+// Default configuration
+window.searchConfig = {
+    enableSearch: true,
+    searchResultLimit: 0
+};
+
+// Configuration function
+
+
+function enableSearch(enableSearch, searchResultLimit) {
+    window.searchConfig.enableSearch = true;
+}
+
+
+function disableSearch() {
+    window.searchConfig.enableSearch = false;
+}
+
+
+function setSearchLimit(searchResultLimit) {
+    window.searchConfig.searchResultLimit = searchResultLimit;
+}
+
+
+console.log(`custom-search.js ${SEARCH_VERSION} is being loaded`);
 
-console.log('custom-search.js v1.8 is being loaded');
 
 $(document).ready(function() {
-  console.log('Document ready, initializing search functionality v1.8');
+  console.log(`Document ready, initializing search ${SEARCH_VERSION}`);
+
+  const ENABLE_SEARCH = window.searchConfig.enableSearch;
+  const SEARCH_RESULT_LIMIT = window.searchConfig.searchResultLimit;
+
+  if (!ENABLE_SEARCH) {
+    console.log('Search functionality is disabled');
+    return;
+  }
 
   $('#table-of-contents').prepend(`
     <div id="search-container">
@@ -82,7 +118,10 @@ $(document).ready(function() {
       return;
     }
 
-    matches.slice(0, 10).forEach((match, index) => {
+    // Apply the search result limit
+    const limitedMatches = SEARCH_RESULT_LIMIT > 0 ? matches.slice(0, SEARCH_RESULT_LIMIT) : matches;
+
+    limitedMatches.forEach((match, index) => {
       const snippet = match.text.length > 100 ? match.text.substr(0, 100) + '...' : match.text;
       const highlightedSnippet = highlightText(snippet, searchTerm);
       const li = $(`<li role="option" tabindex="-1">${highlightedSnippet}</li>`);
@@ -144,5 +183,5 @@ $(document).ready(function() {
     e.preventDefault();
   });
 
-  console.log('Search functionality v1.8 initialization complete');
+  console.log(`Search ${SEARCH_VERSION} initialization complete`);
 });