support all HTML tags that can carry source lines, not only DIV elements

Author: ahus1

src/main/resources/org/asciidoc/intellij/editor/javafx/scrollToElement.js

@@ -24,8 +24,8 @@ window.__IntelliJTools.scrollToLine = (function () {
 
   var scrollToLine = function (newLineToScroll, lineCount) {
 
-    // the sourcelines will be as CSS class on div elements only
-    var blocks = document.getElementsByTagName('div');
+    // the sourcelines will be as CSS class elements that also have class has-source-line
+    var blocks = document.getElementsByClassName('has-source-line');
     var startY;
     var startLine;
     var endY;

src/main/resources/sourceline-treeprocessor.rb

@@ -10,7 +10,7 @@ def process document
 
       # on each node add the source file information as role (will result in CSS class in HTML)
       if (node.source_location) then
-        node.attributes['role'] = 'data-line-' + (node.source_location.file || 'stdin') + "-#{node.source_location.lineno}"
+        node.attributes['role'] = 'has-source-line data-line-' + (node.source_location.file || 'stdin') + "-#{node.source_location.lineno}"
       end
     end
     nil