{"version":3,"file":"adaptable.min.js","sources":["https:\/\/www.alsg.org\/home\/theme\/adaptable\/amd\/src\/adaptable.js"],"sourcesContent":["\/\/\n\/\/ This file is part of Adaptable theme for moodle\n\/\/\n\/\/ Moodle is free software: you can redistribute it and\/or modify\n\/\/ it under the terms of the GNU General Public License as published by\n\/\/ the Free Software Foundation, either version 3 of the License, or\n\/\/ (at your option) any later version.\n\/\/\n\/\/ Moodle is distributed in the hope that it will be useful,\n\/\/ but WITHOUT ANY WARRANTY; without even the implied warranty of\n\/\/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n\/\/ GNU General Public License for more details.\n\/\/\n\/\/ You should have received a copy of the GNU General Public License\n\/\/ along with Moodle.  If not, see <http:\/\/www.gnu.org\/licenses\/>.\n\/\/\n\n\/\/ Adaptable main JS file\n\/\/\n\/\/ @package    theme_adaptable\n\/\/ @copyright  2015-2019 Jeremy Hopkins (Coventry University)\n\/\/ @copyright  2015-2019 Fernando Acedo (3-bits.com)\n\/\/ @copyright  2018-2019 Manoj Solanki (Coventry University)\n\/\/ @copyright  2019 G J Barnard\n\/\/               {@link https:\/\/moodle.org\/user\/profile.php?id=442195}\n\/\/               {@link https:\/\/gjbarnard.co.uk}\n\/\/ @license    https:\/\/www.gnu.org\/copyleft\/gpl.html GNU GPL v3 or later.\n\/\/\n\nimport $ from 'jquery';\nimport jqueryeasingInit from 'theme_adaptable\/jqueryeasing';\nimport pace from 'theme_adaptable\/pace';\nimport log from 'core\/log';\n\nconst adaptable = () => {\n    log.debug('Adaptable ES6 adaptable');\n\n    \/\/ Breadcrumb.\n    $(\".breadcrumb li:not(:last-child) span\").not('.separator').addClass('');\n    $(\".breadcrumb li:last-child\").addClass(\"lastli\");\n\n    \/\/ Edit button keep position.  Needs session storage!\n    try {\n        $('.context-header-settings-menu .dropdown-menu .dropdown-item a[href*=\"edit\"], #editingbutton a')\n            .click(function (event) {\n                event.preventDefault();\n\n                var to = $(window).scrollTop();\n                sessionStorage.setItem('scrollTo', to);\n                var url = $(this).prop('href');\n                window.location.replace(url);\n\n                return false;\n            });\n        var scrollTo = sessionStorage.getItem('scrollTo');\n        if (scrollTo !== null) {\n            window.scrollTo(0, scrollTo);\n            sessionStorage.removeItem('scrollTo');\n        }\n    } catch (e) {\n        log.debug('Adaptable: Session storage exception: ' + e.name);\n    }\n\n    \/\/ Scroll to top.\n    const bttOffset = 150;\n    const bttDuration = 500;\n    let bttOn;\n    const scrollDuration = 500;\n    let st = $('#page').scrollTop();\n    if (st > bttOffset) {\n        bttOn = false;\n    } else {\n        bttOn = true;\n    }\n    var bttScrollCheck = function () {\n        st = $('#page').scrollTop();\n        if (st > bttOffset) {\n            if (bttOn == false) {\n                bttOn = true;\n                $('#back-to-top').fadeIn(bttDuration);\n            }\n        } else {\n            if (bttOn == true) {\n                bttOn = false;\n                $('#back-to-top').fadeOut(bttDuration);\n            }\n        }\n    };\n    bttScrollCheck();\n    $('#page').scroll(function () {\n        bttScrollCheck();\n    });\n\n    $('#back-to-top').click(function (event) {\n        event.preventDefault();\n        $('#page').animate({ scrollTop: 0 }, scrollDuration);\n        return false;\n    });\n\n    \/\/ Anchor.\n    if (window.location.hash) {\n        if ($(\"body\").hasClass(\"pagelayout-course\")) {\n            var anchorTop = $(window.location.hash).offset().top;\n            $('html, body').animate({ scrollTop: anchorTop - 102 }, scrollDuration);\n        }\n    }\n\n    \/\/ New for every three.\n    if ($('header').css(\"position\") == \"fixed\") {\n        $('.outercont').css('padding-top', $('header').height());\n    }\n};\n\nconst options = (data) => {\n    log.debug('Adaptable ES6 options');\n    var body = $(\"body\");\n    \/\/ Get the navbar, if present.\n    var navbar = document.getElementById(\"main-navbar\");\n\n    if (data.stickynavbar) {\n        \/* New way to handle sticky navbar requirement.\n           Simply taken from https:\/\/www.w3schools.com\/howto\/howto_js_navbar_sticky.asp. *\/\n\n        const screenmd = 992;\n        const screensm = 768;\n        var windowWidth = $(window).width();\n        var currentWindowSize;\n        if (windowWidth < screensm) {\n            currentWindowSize = 1;\n        } else if (windowWidth < screenmd) {\n            currentWindowSize = 2;\n        } else {\n            currentWindowSize = 3;\n        }\n\n        \/\/ Container.\n        var header = document.getElementById(\"adaptable-page-header-wrapper\");\n        var aboveHeader = document.getElementById(\"header1\");\n        if (!aboveHeader) {\n            aboveHeader = document.getElementById(\"header2\");\n        }\n\n        \/\/ Drawers.\n        var courseIndex = document.getElementById(\"theme_adaptable-drawers-courseindex\");\n        var sidePost = document.getElementById(\"theme_adaptable-drawers-sidepost\");\n        var drawerTogglers = document.getElementsByClassName(\"drawer-toggler\");\n\n        \/\/ Page.\n        var page = document.getElementById(\"page\");\n\n        \/\/ Adjustments.\n        var pageScrollTop = page.scrollTop;\n        var currentPageScrollTop = pageScrollTop;\n        var headerHeight = 0;\n        var headerNoNavbar = 0;\n        var navbarHeight = 0;\n        if (navbar !== null) {\n            navbarHeight = navbar.getBoundingClientRect().height;\n        }\n        var aboveHeaderHeight = aboveHeader.getBoundingClientRect().height;\n\n        var drawerPaddingTop = 0;\n        var newDrawerPaddingTop = 0;\n        var pageMarginTop = 0;\n        var newPageMarginTop = 0;\n        var headerTop = 0;\n        var newHeaderTop = 0;\n\n        var isFixed = 0;\n        \/* Ok, here's an odd one... desktops need to use the 'inner' variables and mobiles the 'outer'\n           to be accurate! But... I've (GB) found that the jQuery height and width functions adapt and\n           report close to correct values regardless of device, so use them instead without complicated\n           device detection here!  Update: postion:fixed does not work on mobiles at the moment so won't\n           be for such, left comment for future info. *\/\n\n        \/* Top navbar stickyness.\n        As per above comments, some issues noted with using CSS position: fixed, but these seem to mostly be constrained\n        to older browsers (inc. mobile browsers). May need to revisit!\n        https:\/\/caniuse.com\/#feat=css-fixed *\/\n        if (windowWidth < screenmd) {\n            header.classList.remove(\"sticky\");\n            body.addClass(\"page-header-margin\");\n            isFixed = 1;\n        } else {\n            header.classList.add(\"sticky\");\n            body.removeClass(\"page-header-margin\");\n        }\n\n        var makeNavbarSticky = function (update = false) {\n            pageScrollTop = page.scrollTop;\n\n            if (windowWidth < screenmd) {\n                if ((!update) && (currentPageScrollTop == aboveHeaderHeight) && (pageScrollTop >= aboveHeaderHeight)) {\n                    return;\n                }\n                pageScrollTop = aboveHeaderHeight;\n                newHeaderTop = 0;\n                newPageMarginTop = 0;\n            } else {\n                if ((!update) && (currentPageScrollTop == headerNoNavbar) && (pageScrollTop >= headerNoNavbar)) {\n                    return;\n                }\n                if (update) {\n                    \/\/ Just changed from <= screenmd.\n                    headerHeight = header.getBoundingClientRect().height;\n                    if (navbar !== null) {\n                        navbarHeight = navbar.getBoundingClientRect().height;\n                    } \/\/ Else will never change from 0 at init!\n                    headerNoNavbar = headerHeight - navbarHeight;\n                }\n                if (pageScrollTop > headerNoNavbar) {\n                    pageScrollTop = headerNoNavbar;\n                }\n                newHeaderTop = -pageScrollTop;\n                newPageMarginTop = headerHeight - pageScrollTop;\n            }\n            currentPageScrollTop = pageScrollTop;\n\n            if ((update) || (newHeaderTop != headerTop)) {\n                header.style.top = newHeaderTop + 'px';\n                headerTop = newHeaderTop;\n            }\n            if ((update) || (newPageMarginTop != pageMarginTop)) {\n                page.style.marginTop = newPageMarginTop + 'px';\n                pageMarginTop = newPageMarginTop;\n            }\n\n            if ((courseIndex) || (sidePost)) {\n                if (windowWidth < screenmd) {\n                    newDrawerPaddingTop = 0;\n                } else {\n                    newDrawerPaddingTop = headerHeight - pageScrollTop;\n                }\n                if ((update) || (newDrawerPaddingTop != drawerPaddingTop)) {\n                    drawerPaddingTop = newDrawerPaddingTop;\n                    if (courseIndex) {\n                        courseIndex.style.paddingTop = drawerPaddingTop + 'px';\n                    }\n                    if (sidePost) {\n                        sidePost.style.paddingTop = drawerPaddingTop + 'px';\n                    }\n                    if ((courseIndex) || (sidePost)) {\n                        if (windowWidth < screenmd) {\n                            for (let dt = 0; dt < drawerTogglers.length; dt++) {\n                                drawerTogglers[dt].style.top = null;\n                            }\n                        } else {\n                            for (let dt = 0; dt < drawerTogglers.length; dt++) {\n                                drawerTogglers[dt].style.top = (drawerPaddingTop + 22) + 'px';\n                            }\n                        }\n                    }\n                }\n            }\n        };\n        makeNavbarSticky(true);\n        if (courseIndex) {\n            courseIndex.classList.remove(\"d-none\");\n        }\n        if (sidePost) {\n            sidePost.classList.remove(\"d-none\");\n        }\n\n        \/\/ When the user scrolls the page, execute makeNavbarSticky().\n        page.onscroll = function () { makeNavbarSticky(); };\n\n        $(window).resize(function () {\n            windowWidth = $(window).width();\n            if (windowWidth < screensm) {\n                if (currentWindowSize != 1) {\n                    makeNavbarSticky(true);\n                    currentWindowSize = 1;\n                }\n            } else if (windowWidth < screenmd) {\n                if (currentWindowSize != 2) {\n                    makeNavbarSticky(true);\n                    currentWindowSize = 2;\n                }\n            } else {\n                if (currentWindowSize != 3) {\n                    currentWindowSize = 3;\n                }\n                \/\/ At screenmd and above, window width changes can change the height of the header.\n                makeNavbarSticky(true);\n            }\n            if (windowWidth < screenmd) {\n                if (isFixed === 0) {\n                    header.classList.remove(\"sticky\");\n                    body.addClass(\"page-header-margin\");\n                    isFixed = 1;\n                }\n            } else {\n                if (isFixed === 1) {\n                    header.classList.add(\"sticky\");\n                    body.removeClass(\"page-header-margin\");\n                    isFixed = 0;\n                }\n            }\n        });\n    }\n\n    $('.moodlewidth').click(function() {\n        if (body.hasClass('fullin') ) {\n            body.removeClass('fullin');\n            M.util.set_user_preference('theme_adaptable_full', 'nofull');\n        } else {\n            body.addClass('fullin');\n            M.util.set_user_preference('theme_adaptable_full', 'fullin');\n        }\n    });\n\n    $('#openoverlaymenu').click(function () {\n        $('#conditionalmenu').toggleClass('open');\n    });\n    $('#overlaymenuclose').click(function () {\n        $('#conditionalmenu').toggleClass('open');\n    });\n\n    \/\/ Bootstrap sub-menu functionality.\n    \/\/ See: https:\/\/bootstrapthemes.co\/demo\/resource\/bootstrap-4-multi-dropdown-hover-navbar\/.\n\n    $('.dropdown-menu a.dropdown-toggle').on('click', function () {\n        var $el = $(this);\n        var $parent = $(this).offsetParent(\".dropdown-menu\");\n        if (!$(this).next().hasClass('show')) {\n            $(this).parents('.dropdown-menu').first().find('.show').removeClass(\"show\");\n        }\n        var $subMenu = $(this).next(\".dropdown-menu\");\n        $subMenu.toggleClass('show');\n\n        $(this).parent(\"li\").toggleClass('show');\n\n        $(this).parents('li.nav-item.dropdown.show').on('hidden.bs.dropdown', function () {\n            $('.dropdown-menu .show').removeClass(\"show\");\n        });\n\n        if (!$parent.parent().hasClass('navbar-nav')) {\n            $el.next().css({ \"top\": $el[0].offsetTop, \"left\": $parent.outerWidth() - 4 });\n        }\n\n        return false;\n    });\n};\n\nexport const init = (data) => {\n    log.debug('Adaptable ES6 init');\n    jqueryeasingInit();\n    pace.start({\n        document: false\n    });\n    \/* Conditional javascript to resolve anchor link clicking issue with sticky navbar.\n       in old bootstrap version. Re: issue #919.\n       Original issue \/ solution discussion here: https:\/\/github.com\/twbs\/bootstrap\/issues\/1768. *\/\n    if (data.stickynavbar) {\n        var shiftWindow = function () { scrollBy(0, -50); };\n        if (location.hash) {\n            shiftWindow();\n        }\n        window.addEventListener(\"hashchange\", shiftWindow);\n    }\n    if (document.readyState !== 'loading') {\n        log.debug(\"Adaptable ES6 init DOM content already loaded\");\n        adaptable();\n        options(data);\n    } else {\n        log.debug(\"Adaptable ES6 init JS DOM content not loaded\");\n        document.addEventListener('DOMContentLoaded', function () {\n            log.debug(\"Adaptable ES6 init JS DOM content loaded\");\n            adaptable();\n            options(data);\n        });\n    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