biawebnavigationbit.hpp

   1 #ifndef __BIAWEBNAVIGATIONBIT__
   2 #define __BIAWEBNAVIGATIONBIT__
   3
   4 #include <list>
   5 #include <fstream>
   6 #include <fmt/format.h>
   7 #include "biawebutil.hpp"
   8 #include "biawebsidebar.hpp"
   9
  10 namespace biaweb {
  11     // class to represent a navigation bit like this in html
  12     // > Parent > Child > Subchild
  13     // etc.
  14     class NavigationBit {
  15       protected:
  16       std::list<GenericLinkItem> items;
  17       public:
  18         // add a generic link item - this should add to beginning of the list
  19         void add_link_item (GenericLinkItem item) {
  20             items.insert (items.cbegin(), item);
  21         }
  22
  23         // render using the given template directory
  24         std::string to_html (std::string templatedir) ;
  25     };
  26
  27     // render using the given template
  28     std::string NavigationBit::to_html (std::string templatedir) {
  29         std::ifstream templ (templatedir + "/navigationbit.tpl.html");
  30         std::string templ_str ((std::istreambuf_iterator<char> (templ)),
  31                                (std::istreambuf_iterator<char> ()));
  32
  33
  34         std::string output_html = "";
  35         std::string items_str = "";
  36         for (GenericLinkItem item : this->items)
  37             items_str += item.to_html (templatedir);
  38
  39         if (this->items.size () > 0)
  40             output_html = fmt::format (templ_str, fmt::arg ("items", items_str));
  41
  42         return output_html;
  43     }
  44 }
  45
  46 #endif