From 45fd167d0b9b2836e163f95dd65fab4327d9c781 Mon Sep 17 00:00:00 2001
From: PREVOST Romain <Romain.PREVOST@sword-group.com>
Date: Mon, 20 Aug 2018 14:32:41 +0200
Subject: [PATCH] Extend insert-toc to generate links to sections

---
 insert-toc/info.json      |  2 +-
 insert-toc/insert-toc.qml | 46 +++++++++++++++++++++++++++++----------
 2 files changed, 35 insertions(+), 13 deletions(-)

diff --git a/insert-toc/info.json b/insert-toc/info.json
index 2987cd0..caf0a00 100644
--- a/insert-toc/info.json
+++ b/insert-toc/info.json
@@ -2,7 +2,7 @@
   "name": "Insert Table of Contents (TOC)",
   "identifier": "insert-toc",
   "script": "insert-toc.qml",
-  "authors": ["@flopp"],
+  "authors": ["@flopp", "@toindev"],
   "platforms": ["linux", "macos", "windows"],
   "version": "0.0.1",
   "minAppVersion": "17.06.2",
diff --git a/insert-toc/insert-toc.qml b/insert-toc/insert-toc.qml
index 00b577b..842038d 100644
--- a/insert-toc/insert-toc.qml
+++ b/insert-toc/insert-toc.qml
@@ -1,12 +1,13 @@
 import QtQml 2.2
 import QOwnNotesTypes 1.0
 
-/// Extract a 'table of contents' from the current note's headings and insert 
+/// Extract a 'table of contents' from the current note's headings and insert
 /// it into the note.
 
-Script { 
+Script {
     property string tocTitle
-    
+    property bool tocLinks
+
     property variant settingsVariables: [
         {
             "identifier": "tocTitle",
@@ -15,12 +16,19 @@ Script {
             "type": "string",
             "default": "Table of Contents",
         },
+        {
+            "identifier": "tocLinks",
+            "name": "Generate links to sections",
+            "description": "",
+            "type": "boolean",
+            "default": false,
+        },
     ]
-    
+
     function init() {
         script.registerCustomAction("insertToc", "Insert TOC", "TOC", "", true)
     }
-    
+
     function extractTOC(lines) {
         var toc = [];
         for (var n = 0; n < lines.length; n++) {
@@ -28,13 +36,21 @@ Script {
             if (match) {
                 toc.push({
                     "depth": match[1].length,
-                    "title": match[2].trim()
+                    "title": match[2].trim(),
+                    "link": extractLink(match[2].trim())
                 });
             }
         }
         return toc;
     }
-    
+
+    function extractLink(title) {
+        var lowercase = title.toLowerCase()
+        var spaceReplaced = lowercase.replace(/ /g, "-")
+        var invalidCharsRemoved = spaceReplaced.replace(/[^A-Za-zÀ-ÿ-_]/g, "")
+        return invalidCharsRemoved;
+    }
+
     function normalizeDepths(toc) {
         var min = -1;
         for (var n = 0; n < toc.length; n++) {
@@ -46,10 +62,10 @@ Script {
         for (var n = 0; n < toc.length; n++) {
             toc[n].depth -= min;
         }
-        
+
         return toc;
     }
-    
+
     function indent(depth) {
         var s = "";
         for (var i = 0; i < depth; i++) {
@@ -57,13 +73,13 @@ Script {
         }
         return s;
     }
-    
+
     function customActionInvoked(action) {
         if (action == "insertToc") {
             var lines = script.currentNote().noteText.split("\n");
             var toc = extractTOC(lines);
             toc = normalizeDepths(toc);
-            
+
             script.noteTextEditWrite("\n" + tocTitle + "\n\n");
             var indexByDepth = {};
             for (var n = 0; n < toc.length; n++) {
@@ -73,13 +89,19 @@ Script {
             for (var n = 0; n < toc.length; n++) {
                 var depth = toc[n].depth;
                 var title = toc[n].title;
+                var link = toc[n].link;
                 if (depth > lastDepth) {
                     indexByDepth[depth] = 1;
                 } else {
                     indexByDepth[depth] += 1;
                 }
                 lastDepth = depth;
-                script.noteTextEditWrite(indent(depth) + indexByDepth[depth] + ". " + title + "\n");
+
+                if (tocLinks) {
+                    script.noteTextEditWrite(indent(depth) + indexByDepth[depth] + ". [" + title + "](#" + link + ")\n");
+                } else {
+                    script.noteTextEditWrite(indent(depth) + indexByDepth[depth] + ". " + title + "\n");
+                }
             }
         }
     }