spring-security/js/application.js

$(function(){

  $.fn.springPopover = function(){
    this.each(function(i,e){
        var $e = $(e);
        var contents = $e.html();

        $e.html("<span class='btn'>"+$e.data('title')+"</span>").
           popover({content: contents, trigger: 'click', html: true});
    });

    return this;
  };

  $("#scrim").click(function() {
    $(".js-item-dropdown--wrapper").removeClass("js-open");
    $(".js-item--open-dropdown").removeClass("js-show");
    $("#scrim").removeClass("js-show");
  });

  //OPENS SEARCH DROPDOWN
  $(".js-search-input-open").click(function() {
    $(".nav-search").addClass("js-highlight");
    var inputContainer = $(".js-search-dropdown");
    var input = $(".js-search-input");
    inputContainer.addClass("js-show");

    //FOCUSES SEARCH INPUT ON OPEN
    setTimeout(function() {
      input.focus();
    }, 100);

    //CLOSES SEARCH DROPDOWN
    $(".body--container, .js-search-input-close").click(function() {
      inputContainer.removeClass("js-show");
      $(".nav-search").removeClass("js-highlight");
    });
  });


  //AUTO OPENS SEARCH DROPDOWN ON SEARCH VIEW AND 
  if (window.location.pathname == "/search") {
    $(".nav-search").addClass("js-highlight");
    $(".js-search-dropdown").addClass("js-show no-animation");

    //PREPOPULATES INPUT WITH SEARCH QUERY AND
    var searchQuery = decodeURIComponent(window.location.search.replace(/\+/g," "));
    var seachStart = searchQuery.search("q=");
    var searchString = searchQuery.substr(seachStart+2);

    $(".js-search-input").val(searchString);

    //PREPOPULATES TITLE WITH SEARCH QUERY
    $(".js-search-results--title").html(searchString);

    //CLOSES SEARCH DROPDOWN
    $(".js-search-input-close").click(function() {
      $(".js-search-dropdown").removeClass("js-show no-animation");
      $(".nav-search").removeClass("js-highlight");
    });
  };

  $.fn.showPreferredLink = function() {
      this.find("li").hide();
      this.find("li." + detectOs() + detectArch()).show();
      return this;
  };
  $('.download-links').showPreferredLink();

  new Spring.ProjectDocumentationWidget();
});


var detectOs = function() {
    if (navigator.appVersion.indexOf("Win")!=-1) return "Windows";
    if (navigator.appVersion.indexOf("Mac")!=-1) return "Mac";
    if (navigator.appVersion.indexOf("Linux")!=-1) return "Linux";
    return "Unknown";
}

var detectArch = function() {
    if (navigator.platform.indexOf("Win64") !== -1) {
        return "64"
    }

    if (navigator.platform.indexOf("Linux x86_64") !== -1) {
        return "64";
    }

    if (/Mac OS X 10.[0-5]/.test(navigator.userAgent)) {
        return "32"
    }

    if (navigator.userAgent.indexOf("Mac OS X") !== -1) {
        return "64"
    }

    return "32";
}