diff options
Diffstat (limited to '_plugins/navigation.rb')
| -rw-r--r-- | _plugins/navigation.rb | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/_plugins/navigation.rb b/_plugins/navigation.rb new file mode 100644 index 0000000..0df1404 --- /dev/null +++ b/_plugins/navigation.rb @@ -0,0 +1,97 @@ +module Gentoo + module Tags + class NavigationTag < Liquid::Tag + def initialize(tag_name, level, tokens) + super + @level = level.strip + end + + def render(context) + all_pages = context.registers[:site].pages + current_page = context.registers[:page] + + if @level == 'primary' + primary(all_pages, current_page) + elsif @level == 'secondary' + secondary(all_pages, current_page) + elsif @level == 'tertiary' + tertiary(all_pages, current_page) + elsif @level =~ /^sitemap:(.*)$/ + sitemap(all_pages, $1) + else + 'unknown navigation level' + end + end + + private + def primary(all_pages, current_page) + pages = all_pages.select {|page| page.data['nav1-show'] == true } + + generate(pages, current_page, '1') + end + + def secondary(all_pages, current_page) + pages = all_pages.select {|page| page.data['nav1'] == current_page['nav1'] and page.data['nav2-show'] == true } + + generate(pages, current_page, '2') + end + + def tertiary(all_pages, current_page) + pages = all_pages.select {|page| page.data['nav1'] == current_page['nav1'] and page.data['nav2'] == current_page['nav2'] and page.data['nav3-show'] == true } + + generate(pages, current_page, '3') + end + + def sitemap(all_pages, nav1) + pages = all_pages.select {|page| page.data['nav1'] == nav1 and page.data['nav2-show'] == true } + + generate(pages, {}, '2') + end + + def generate(all_pages, current_page, level) + level_show = "nav%s-show" % level + level_weight = "nav%s-weight" % level + level_str = "nav%s" % level + + pages = all_pages.select {|page| page.data[level_show] == true } + pages.sort! do |a, b| + if a.data.has_key? level_weight and b.data.has_key? level_weight + a.data[level_weight] <=> b.data[level_weight] + else + a_title = a.data['navtitle'] || a.data['title'] + b_title = b.data['navtitle'] || b.data['title'] + + a_title <=> b_title + end + end + + html = '' + pages.each do |page| + css_class = current_page[level_str] == page.data[level_str] ? 'active' : '' + + html += "<li class=\"%s\">" % css_class + + if page.data.has_key? 'redirect' + html += '<a href="' + page.data['redirect'] + '">' + else + html += '<a href="' + page.url.gsub('index.html', '') + '">' + end + + if page.data.has_key? 'navtitle' + html += page.data['navtitle'] + else + html += page.data['title'] + end + + html += "</a></li>\n" + end + + html + end + + + end + end +end + +Liquid::Template.register_tag('navigation', Gentoo::Tags::NavigationTag)
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