/*
 *   This content is licensed according to the W3C Software License at
 *   https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
 *
 *   Supplemental JS for the disclosure menu keyboard behavior
 */

'use strict';

class DisclosureNav {
    constructor(domNode) {
        this.rootNode = domNode;
        this.controlledNodes = [];
        this.openIndex = null;
        this.useArrowKeys = true;
        this.topLevelNodes = [
            ...this.rootNode.querySelectorAll(
                'li.dropdown > a'
            ),
        ];

        this.topLevelNodes.forEach((node) => {
            // handle button + menu
            if (
                node.hasAttribute('aria-haspopup')
            ) {
                const menu = node.parentNode.querySelector('ul');
                if (menu) {
                    // save ref controlled menu
                    this.controlledNodes.push(menu);

                    // collapse menus
                    node.setAttribute('aria-expanded', 'false');
                    this.toggleMenu(menu, false);

                    // attach event listeners
                    menu.addEventListener('keydown', this.onMenuKeyDown.bind(this));
                    menu.addEventListener('keyup', function (event) {
                        event.stopPropagation();
                        event.preventDefault();
                        return false;
                    });
                    node.addEventListener('click', this.onButtonClick.bind(this));
                    node.addEventListener('keydown', this.onButtonKeyDown.bind(this));
                    node.addEventListener('keyup', function (event) {
                        event.stopPropagation();
                        event.preventDefault();
                        return false;
                    })
                }
            }
            // handle links
            else {
                this.controlledNodes.push(null);
                node.addEventListener('keydown', this.onLinkKeyDown.bind(this));
            }
        });

        //this.rootNode.addEventListener('focusout', this.onBlur.bind(this));
    }

    controlFocusByKey(keyboardEvent, nodeList, currentIndex) {
        switch (keyboardEvent.key) {
            case 'ArrowUp':
            case 'ArrowLeft':
                keyboardEvent.preventDefault();
                if (currentIndex > -1) {
                    var prevIndex = Math.max(0, currentIndex - 1);
                    nodeList[prevIndex].focus();
                }
                break;
            case 'ArrowDown':
            case 'ArrowRight':
                keyboardEvent.preventDefault();
                if (currentIndex > -1) {
                    var nextIndex = Math.min(nodeList.length - 1, currentIndex + 1);
                    nodeList[nextIndex].focus();
                }
                break;
            case 'Home':
                keyboardEvent.preventDefault();
                nodeList[0].focus();
                break;
            case 'End':
                keyboardEvent.preventDefault();
                nodeList[nodeList.length - 1].focus();
                break;
        }
    }

    // public function to close open menu
    close() {
        this.toggleExpand(this.openIndex, false);
    }

    onBlur(event) {
        var menuContainsFocus = this.rootNode.contains(event.relatedTarget);
        if (!menuContainsFocus && this.openIndex !== null) {
            this.toggleExpand(this.openIndex, false);
        }
    }

    onButtonClick(event) {
        event.preventDefault();
        var button = event.target;
        if (button.nodeName != 'A') {
            button = button.parentNode;
        }
        var buttonIndex = this.topLevelNodes.indexOf(button);
        var buttonExpanded = button.getAttribute('aria-expanded') === 'true';
        this.toggleExpand(buttonIndex, !buttonExpanded);
    }

    onButtonKeyDown(event) {
        var targetButtonIndex = this.topLevelNodes.indexOf(document.activeElement);

        // close on escape
        if (event.key === 'Escape') {
            event.stopPropagation();
            event.preventDefault();
            this.toggleExpand(this.openIndex, false);
            return false;
        }

        // move focus into the open menu if the current menu is open
        else if (
            this.useArrowKeys &&
            this.openIndex === targetButtonIndex &&
            event.key === 'ArrowDown'
        ) {
            event.preventDefault();
            this.controlledNodes[this.openIndex].querySelector('a').focus();
        }

        // handle arrow key navigation between top-level buttons, if set
        else if (this.useArrowKeys) {
            this.controlFocusByKey(event, this.topLevelNodes, targetButtonIndex);
        }
    }

    onLinkKeyDown(event) {
        var targetLinkIndex = this.topLevelNodes.indexOf(document.activeElement);

        // handle arrow key navigation between top-level buttons, if set
        if (this.useArrowKeys) {
            this.controlFocusByKey(event, this.topLevelNodes, targetLinkIndex);
        }
    }

    onMenuKeyDown(event) {
        if (this.openIndex === null) {
            return;
        }

        var menuLinks = Array.prototype.slice.call(
            this.controlledNodes[this.openIndex].querySelectorAll('a')
        );
        var currentIndex = menuLinks.indexOf(document.activeElement);

        // close on escape
        if (event.key === 'Escape') {
            event.stopPropagation();
            event.preventDefault();
            this.topLevelNodes[this.openIndex].focus();
            this.toggleExpand(this.openIndex, false);
            return false;
        }

        // handle arrow key navigation within menu links, if set
        else if (this.useArrowKeys) {
            this.controlFocusByKey(event, menuLinks, currentIndex);
        }
    }

    toggleExpand(index, expanded) {
        // close open menu, if applicable
        if (this.openIndex !== index) {
            this.toggleExpand(this.openIndex, false);
        }

        // handle menu at called index
        if (this.topLevelNodes[index]) {
            this.openIndex = expanded ? index : null;
            this.topLevelNodes[index].setAttribute('aria-expanded', expanded);
            this.toggleMenu(this.controlledNodes[index], expanded);
            this.topLevelNodes[index].focus();
        }
    }

    toggleMenu(domNode, show) {
        if (domNode) {
            domNode.style.display = show ? 'block' : 'none';
            if (show) {
                domNode.parentNode.classList.add('open');
            } else {
                domNode.parentNode.classList.remove('open');
            }
        }
    }

    updateKeyControls(useArrowKeys) {
        this.useArrowKeys = useArrowKeys;
    }
}

/* Initialize Disclosure Menus */

window.addEventListener(
    'load',
    function () {
        var menus = document.querySelectorAll('#global-menu .nav');
        var disclosureMenus = [];

        for (var i = 0; i < menus.length; i++) {
            disclosureMenus[i] = new DisclosureNav(menus[i]);
        }

    },
    false
);
var ua = (function () {

    //Navigation toggle
    var $searchForm;
    var $nav;
    var $studentSele;
    var $footer;

    var is_touch_device = ("ontouchstart" in window) || window.DocumentTouch && document instanceof DocumentTouch;


    var init = function () {
        // Save selectors
        $searchForm = $('.wrap-search-form');  // save selector
        $nav = $('#wrap-navigation');
        $footer = $("#stickyFooter");
        $('.js-activated').dropdownHover().dropdown();
        $('.col-eq').colequalizer();
        $('.print').click(function () {
            window.focus();
            window.print();
        });
        $('.callout').each(function () {
            var emptyhref = false;
            $(this).find('a').each(function (index, element) {
                if (element.textContent.trim() == '') {
                    emptyhref = true;
                }
            });

            if (emptyhref) {
                $(this).addClass('img-only-callout');
            }
        });
    };

    var searchInit = function () {
        var $form = $('#search-form');

        if ($form.length > 0) {
            var $q = $form.find('input[name=q]');
            $form.on('submit', function (e) {
                return ($q.val() != '');
            });
        }
    };

    var mobileNavigation = function () {

        $('.navbar-toggle').on('click', function (e) {
            if ($(this).hasClass('collapsed')) {
                $(this).find('span').html('Close Menu');
            }
            else {
                $(this).find('span').html('Menu');
            }
        });

        $('#global-menu').on('shown.bs.collapse', function () {
            var $active = $('#global-menu .dropdown.active');
            if ($active.length > 0) {
                $.scrollTo($active, {
                    duration: 1000,
                    interrupt: true,
                    onAfter: function (anchor, settings) {
                        var $toggle = $active.find('.dropdown-toggle');
                        if (!$active.hasClass('open')) {
                            $toggle.dropdown('toggle');
                        }
                    }
                });
            }
        });

    };

    var desktopNavigation = function () {

        // remove handlers
        $('#global-menu').off('shown.bs.collapse');

        $('.nav-toggle-search').on('click', function (e) {
            e.preventDefault();
            $(this).toggleClass('fa-search fa-close');
            $('.wrap-search-form').toggleClass('show-search');
        });

        resizeHeader();

        $(window).on('resize', function () {
            resizeHeader();
        });

    };

    var majorsTool = function () {

        Vue.filter('by-school', function (values, input) {
            var cleanInputs = [];
            if (input.length == 0) {
                return values;
            }
            for (var i in input) {
                cleanInputs.push(input[i].replace(/ /g,''));
            }
            var result = [];
            for (var v in values) {
                var major = values[v];
                if(_.intersection(major.Campuses, cleanInputs).length != 0)
                {
                    result.push(major);
                }
            }
            return result;
            //console.log(value)
        })
        Vue.filter('by-program', function (values, input) {
            var cleanInputs = [];
            console.log(input);
            if (input.length == 0)
            {
                return values;
            }
            for (var i in input) {
                cleanInputs.push(input[i].replace(/ /g, ''));
            }
            var result = [];
            for (var v in values) {
                var major = values[v];
                if (_.intersection(major.Schools, cleanInputs).length != 0) {
                    result.push(major);
                }
            }
            return result;
            //console.log(value)
        })

        Vue.filter('by-program-degree-campus', function (values, program, degree, campus) {
            var cleanProgram = [];
            var cleanDegree = [];
            var cleanCampus = [];

            var checkProgram = (program.length === 0);
            var checkDegree = (degree.length === 0);
            var checkCampus = (campus.length === 0);
            

            if (checkProgram && checkDegree && checkCampus) {
                setTimeout(function () {
                    $('.stacktable.small-only').remove();
                    $('.primary table').removeClass('stacktable large-only'); //Maybe a little much, but just to be on the safe side.
                    $('.primary table').stacktable();
                }, 100)
                return values;
            }
            for (var i in program) {
                cleanProgram.push(program[i].replace(/ /g, ''));
            }
            for (var i in degree) {
                cleanDegree.push(degree[i].replace(/ /g, ''));
            }
            for (var i in campus) {
                cleanCampus.push(campus[i].replace(/ /g, ''));
            }

            //double check programs
            for (var c in cleanProgram) {
                var item = cleanProgram[c];
                var itemSplit = item.split(",");
                if (itemSplit.length == 2) {
                    var index = cleanProgram.indexOf(item);
                    if (index > -1) {
                        cleanProgram.splice(index, 1);
                        cleanProgram.push(itemSplit[1]);
                    }
                }
            }

            var result = [];
            for (var v in values) {
                var major = values[v];
                var matchProgram = _.intersection(major.Schools, cleanProgram).length != 0;
                var matchDegree = _.intersection(major.Degrees, cleanDegree).length != 0;
                var matchCampus = _.intersection(major.Campuses, cleanCampus).length != 0;

                if (!checkCampus && !checkDegree && !checkProgram)
                {
                    if (matchProgram && matchDegree && matchCampus) {
                        result.push(major);
                    }
                }
                else if (!checkDegree && !checkCampus)
                {
                    if (matchDegree && matchCampus) {
                        result.push(major);
                    }
                }
                else if (!checkDegree && !checkProgram)
                {
                    if (matchProgram && matchDegree) {
                        result.push(major);
                    }
                }
                else if (!checkProgram && !checkCampus)
                {
                    if (matchProgram && matchCampus) {
                        result.push(major);
                    }
                }
                else if (!checkProgram)
                {
                    if (matchProgram) {
                        result.push(major);
                    }
                }
                else if (!checkCampus)
                {
                    if (matchCampus) {
                        result.push(major);
                    }
                }
                else if (!checkDegree)
                {
                    if (matchDegree) {
                        result.push(major);
                    }
                }

            }

            setTimeout(function() {
                    $('.stacktable.small-only').remove();
                    $('.primary table')
                        .removeClass('stacktable large-only'); //Maybe a little much, but just to be on the safe side.
                    $('.primary table').stacktable();
                },
                100);

            var allFilters = program.concat(degree, campus);

            $("#majorFilterUpdate").html("").append("<span>Majors have been filtered to " +
                result.length +
                " with these filters applied " + allFilters.join(', ') + ". Press enter to get to results.</span>");

            return result;
        })

        Vue.filter('weighted-search', function (values, input) {
            if (input == "") {
                return values;
            }
            var result = [];
            var re = new RegExp(input, "gi");
            for (var v in values) {
                var major = values[v];
                var titleResult = major.Name.match(re);
                var previewResult = major.Preview.match(re);
                var keywordResult = null;
                if (major.Keyword != null) {
                    keywordResult = major.Keyword.match(re);
                }
                if(titleResult != null || previewResult != null || keywordResult != null)
                {
                    var weight = 0;
                    if (titleResult != null)
                    {
                        weight += titleResult.length * 300;
                    }
                    if (previewResult != null)
                    {
                        weight += previewResult.length * 200;
                    }
                    if (keywordResult != null)
                    {
                        weight += keywordResult.length * 100;
                    }
                    major.weight = weight;
                    result.push(major);
                }
            }

            result = _.sortBy(result, function (o) { return -o.weight });
            $("#majorFilterUpdate").html("").append("<span>Majors have been filtered to " +
                result.length +
                ". Press enter to get to results.</span>");
            return result;
        })
        new Vue({
            el: '#majorsTool',
            data: function() {
                return {
                    majors: null,
                    campuses: null,
                    programs: null,
                    degrees: null,
                    name: '',
                    selectedCampuses: [],
                    selectedPrograms: [],
                    selectedDegrees: [],
                    selectedLayout: 'block',
                    url: majorToolUrl,
                    programsOne: null,
                    programsTwo: null
                };
            },
            events: {
                'autocomplete:selected': function (name, data) {
                    window.location = location.protocol + '//' + location.host + location.pathname + '/detail/' + data.Id;
                },
                'autocomplete:showAll': function (name, term) {
                    window.location = this.url + "?search=" + term + "&showAll=true";
                }
            },
            ready: function () {
                //setup grid

                var showAll = this.getParameterByName("showAll");
                var quickSearch = this.getParameterByName("search");

                if (quickSearch == null || quickSearch == "") {
                    this.name = "";
                } else {
                    this.name = quickSearch;
                }

                if (showAll) {
                    // GET request
                    this.$http({ url: '/api/majors/searchmajors/term/' + quickSearch + '/session/' +sessionId, method: 'GET' }).then(function (response) {
                        // success callback
                        this.$set('majors', response.data);
                        setTimeout(function () {
                            $('.primary table').stacktable();
                        }, 500);
                        $('.grid').masonry({
                            // options
                            itemSelector: '.grid-item',
                            columnWidth: 200
                        });

                        //add here
                        $("#majorFilterUpdate").html("").append("<span>Majors have been filtered to " + response.data.length + ". Press enter to get to results.</span>");

                    }, function (response) {
                        // error callback
                    });
                    $('html, body').animate({
                        scrollTop: $(".grid").offset().top
                    }, 500);
                } else {
                    // GET request
                    this.$http({ url: '/api/majors/getallmajorspreview/session/' + sessionId, method: 'GET' }).then(function (response) {
                        // success callback
                        this.$set('majors', response.data);
                        setTimeout(function () {
                            $('.primary table').stacktable();
                        }, 500);
                        $('.grid').masonry({
                            // options
                            itemSelector: '.grid-item',
                            columnWidth: 200
                        });
                    }, function (response) {
                        // error callback
                        console.log(response.data)
                    });
                }

                this.$http({ url: '/api/majors/getallcampuses/session/' + sessionId, method: 'GET' }).then(function (response) {
                    // success callback
                    var campus = this.getParameterByName("campus");
                    this.$set('campuses', response.data)
                    if (campus == "" || campus == null) {
                    } else {
                        this.$data.selectedCampuses.push(campus);
                    }
                }, function (response) {

                });

                this.$http({ url: '/api/majors/getallprograms/session/' + sessionId, method: 'GET' }).then(function (response) {
                    // success callback
                    var program = this.getParameterByName("program");
                    var half = Math.ceil(response.data.length / 2);
                    this.$set('programs', response.data)
                    this.$set('programsOne', response.data.splice(0, half));
                    this.$set('programsTwo', response.data);
                    if (program == "" || program == null) {
                    } else {
                        this.$data.selectedPrograms.push(program);
                    }
                }, function (response) {

                });

                this.$http({ url: '/api/majors/getalldegrees/session/' + sessionId, method: 'GET' }).then(function (response) {
                    // success callback
                    var degree = this.getParameterByName("degree");
                    this.$set('degrees', response.data)
                    if (degree == "" || degree == null) {
                        /*for (var i in response.data) {
                            this.$data.selectedPrograms.push(response.data[i].Name)
                        }*/
                    } else {
                        this.$data.selectedDegrees.push(degree);
                    }
                }, function (response) {

                });
            },
            methods: {
                getParameterByName: function (name, url) {
                    if (!url) url = window.location.href;
                    name = name.replace(/[\[\]]/g, "\\$&");
                    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
                        results = regex.exec(url);
                    if (!results) return null;
                    if (!results[2]) return '';
                    return decodeURIComponent(results[2].replace(/\+/g, " "));
                },
                goToResults: function () {
                    $(".grid .grid-item:first-child a").focus();
                }
            },
            filters: {
                truncate: function (string, value) {
                    //trim the string to the maximum length
                    var trimmedString = string.substr(0, value);

                    //re-trim if we are in the middle of a word
                    trimmedString = trimmedString.substr(0, Math.min(trimmedString.length, trimmedString.lastIndexOf(" ")))
                    return trimmedString + '...';
                }
            }
        });
    };

    var majorQuickSearch = function () {
        new Vue({
            el: '#major-quick-search',
            data: function() {
                return {
                    programs: null,
                    program: null,
                    search: "",
                    url: majorToolUrl,
                }
            },
            events: {
                'autocomplete:selected': function (name, data) {
                    window.location = this.url + '/detail/' + data.Id;
                },
                'autocomplete:showAll': function (name, term) {
                    window.location = this.url + "?search=" + term + "&showAll=true";
                }
            },
            ready: function () {

                this.$http({ url: '/api/majors/getallprograms/session/' + sessionId, method: 'GET' }).then(function (response) {
                    // success callback
                    this.$set('programs', response.data)
                }, function (response) {

                });
            },
            methods: {
                searchGo: function(){
                    if (this.search != "" || this.program != null)
                    {
                        window.location = this.url + "?search=" + this.search + "&program=" + this.program
                    }
                }
            }
        });
    };

    var studentDropdown = function () {
        $("#student-type-change").change(function () {
            var route = $("#student-type-change").val();
            if(route != "") {
                window.location = route;
            }
        });
    };

    var resizeHeader = function () {
        var $window = $(window);
        var targetWidth = 'auto';
        if ($window.width() > 974) {
            targetWidth = $('#appmenu').width() - parseInt($('body').css('fontSize').replace(/[^-\d\.]/g, '')) - 4 + 'px';
        }

        $('.header-left').width(targetWidth);
        $('.header-right').css('marginLeft', targetWidth);
    };

    var stackTables = function () {
        $('.primary table').stacktable();
    };

    var popovers = function () {
        $('[data-toggle="popover"]').each(function () {
            $(this).attr('tabindex', 0).attr('data-placement', 'auto').attr('role', 'button');
            $(this).keypress(function (event) {
                if (event.which == 13) {
                    $(this).popover('toggle');
                }
            });

        });

        $('[data-toggle="popover"]').popover({ trigger: 'click' });
    };

    var landingPageImages = function () {
        $('.landing .col-md-5, .feed').find('img').each(function () {
            var imgClass = (this.width / this.height > 1) ? 'wide' : 'tall';
            $(this).addClass(imgClass);
        })
    };

    var fitvids = function () {
        $(".container").fitVids();
    };

    var showhideFooter = function () {
        if ($(window).height() < 210) {
            $footer.css({
                position: "relative"
            });
        } else {
            $footer.css({
                position: "fixed"
            });
        }
    };


    return {
        init: init,
        searchInit: searchInit,
        mobileNavigation: mobileNavigation,
        desktopNavigation: desktopNavigation,
        majorsTool: majorsTool,
        studentDropdown: studentDropdown,
        majorQuickSearch: majorQuickSearch,
        stackTables: stackTables,
        popovers: popovers,
        landingPageImages: landingPageImages,
        fitvids: fitvids,
        showhideFooter: showhideFooter
    };

})();
(function () {

    ua.init();

    var jRes = jRespond([
	    {
	        label: 'mobile',
	        enter: 0,
	        exit: 767
	    }, {
	        label: 'tablet',
	        enter: 768,
	        exit: 899
	    }, {
	        label: 'desktop',
	        enter: 900,
	        exit: 10000
	    }
    ]);

    // register enter and exit functions for a single breakpoint
    jRes.addFunc([
    {
        breakpoint: 'mobile',
        enter: function () {
            ua.mobileNavigation();
            ua.landingPageImages();
        },
        exit: function () {
        }
    }, {
        breakpoint: ['tablet', 'desktop'],
        enter: function () {
            ua.desktopNavigation();
            ua.landingPageImages();
        },
        exit: function () {
        }
    }
    ]);

    // Global init
    ua.searchInit();
    if ($('#majorsTool').length == 0) {
        ua.stackTables();
    }
    ua.popovers();
    if ($('#majorsTool').length) {
        ua.majorsTool();
    }
    if ($('#major-quick-search').length) {
        ua.majorQuickSearch();
    }
    ua.studentDropdown();
    ua.fitvids();
    ua.showhideFooter();

    $(window).scroll(ua.showhideFooter).resize(ua.showhideFooter);

})(this);
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