Difference between revisions of "Template:Washington"

Line 363: Line 363:
  
 
$(document).ready(function(){
 
$(document).ready(function(){
$(window).scroll(function(){
+
 
 +
    /**
 +
    * This part does the "fixed navigation after scroll" functionality
 +
    * We use the jQuery function scroll() to recalculate our variables as the
 +
    * page is scrolled/
 +
    */
 +
    $(window).scroll(function(){
 
         var window_top = $(window).scrollTop() + 12; // the "12" should equal the margin-top value for nav.stick
 
         var window_top = $(window).scrollTop() + 12; // the "12" should equal the margin-top value for nav.stick
 
         var div_top = $('#nav-anchor').offset().top;
 
         var div_top = $('#nav-anchor').offset().top;
Line 371: Line 377:
 
                 $('nav').removeClass('stick');
 
                 $('nav').removeClass('stick');
 
             }
 
             }
 +
    });
 +
 +
    /**
 +
    * This part causes smooth scrolling using scrollto.js
 +
    * We target all a tags inside the nav, and apply the scrollto.js to it.
 +
    */
 +
    $("nav a").click(function(evn){
 +
        evn.preventDefault();
 +
        $('html,body').scrollTo(this.hash, this.hash);
 +
    });
 +
 +
    /**
 +
    * This part handles the highlighting functionality.
 +
    * We use the scroll functionality again, some array creation and
 +
    * manipulation, class adding and class removing, and conditional testing
 +
    */
 +
    var aChildren = $("nav li").children(); // find the a children of the list items
 +
    var aArray = []; // create the empty aArray
 +
    for (var i=0; i < aChildren.length; i++) {   
 +
        var aChild = aChildren[i];
 +
        var ahref = $(aChild).attr('href');
 +
        aArray.push(ahref);
 +
    } // this for loop fills the aArray with attribute href values
 +
 +
    $(window).scroll(function(){
 +
        var windowPos = $(window).scrollTop(); // get the offset of the window from the top of page
 +
        var windowHeight = $(window).height(); // get the height of the window
 +
        var docHeight = $(document).height();
 +
 +
        for (var i=0; i < aArray.length; i++) {
 +
            var theID = aArray[i];
 +
            var divPos = $(theID).offset().top; // get the offset of the div from the top of page
 +
            var divHeight = $(theID).height(); // get the height of the div in question
 +
            if (windowPos >= divPos && windowPos < (divPos + divHeight)) {
 +
                $("a[href='" + theID + "']").addClass("nav-active");
 +
            } else {
 +
                $("a[href='" + theID + "']").removeClass("nav-active");
 +
            }
 +
        }
 +
 +
        if(windowPos + windowHeight == docHeight) {
 +
            if (!$("nav li:last-child a").hasClass("nav-active")) {
 +
                var navActiveCurrent = $(".nav-active").attr("href");
 +
                $("a[href='" + navActiveCurrent + "']").removeClass("nav-active");
 +
                $("nav li:last-child a").addClass("nav-active");
 +
            }
 +
        }
 
     });
 
     });
 
});
 
});

Revision as of 23:17, 13 September 2015