change sort order, remove period heading

_layouts/timeline_edtf.html

@@ -50,13 +50,13 @@
 {%- endif -%}
 
 {{ content }}
-
-<h2>
+{% comment %}uncomment on the next lines to display a heading indicating the period of the data in text form{% endcomment %}
+{% comment %} <h2> 
   {% assign first_year = sorted_years | first | split: ':' %}
   {% assign last_year = sorted_years | last | split: ':' %}
   {% if sorted_years.size > 0 %}
-    {% if first_year.size == 2
-      and last_year.size == 2
+    {% if first_year.size == 3
+      and last_year.size == 3
       and first_year[0] != ''
       and first_year[1] != ''
       and last_year[0] != ''
@@ -70,7 +70,7 @@ <h2>
   {% else %}
     <span class="text-muted">No items found</span>
   {% endif %}
-</h2>
+</h2> {% endcomment %}
 
 <table id="timeline" class="table table-striped">
   <tbody>

_plugins/sort_edtf.rb

@@ -20,7 +20,7 @@ def compute_numeric_value(cleaned_str)
 
     def create_display_format(str)
       if str.start_with?('-')
-        "#{str[1..-1].sub(/^0+/, '')} v. Chr."
+        "#{str[1..-1].sub(/^0+/, '')} v. u. Z."
       else
         str.sub(/^0+(?=\d)/, '')
       end
@@ -30,14 +30,14 @@ def sort_edtf(array_of_strings)
       valid_dates = array_of_strings.reject { |str| str.strip.empty? }
 
       parsed_dates = valid_dates.map do |str|
-        cleaned_str = clean_date_string(str)
-        numeric_value = compute_numeric_value(cleaned_str)
-        display_format = create_display_format(str)
+      cleaned_str = clean_date_string(str)
+      numeric_value = compute_numeric_value(cleaned_str)
+      display_format = create_display_format(str)
 
-        { numeric: numeric_value, original: str, display_format: display_format }
+      { numeric: numeric_value, original: str, display_format: display_format }
       end
 
-      sorted_dates = parsed_dates.sort_by { |date| date[:numeric] }
+      sorted_dates = parsed_dates.sort_by { |date| -date[:numeric] }
       sorted_dates.map { |date| "#{date[:display_format]}:#{date[:original]}" }
     end
   end