diff --git a/blocks/myoverview/tests/behat/block_myoverview_pagination.feature b/blocks/myoverview/tests/behat/block_myoverview_pagination.feature
index 97922524079..b3a6b514f47 100644
--- a/blocks/myoverview/tests/behat/block_myoverview_pagination.feature
+++ b/blocks/myoverview/tests/behat/block_myoverview_pagination.feature
@@ -147,7 +147,6 @@ Feature: My overview block pagination
       | student1 | C13 | student |
     When I log in as "student1"
     And I click on "[data-control='next']" "css_element" in the "Course overview" "block"
-    And I wait until ".block_myoverview [data-control='next']" "css_element" exists
     Then the "class" attribute of ".block_myoverview [data-control='next']" "css_element" should contain "disabled"
     And I log out
 
@@ -181,7 +180,6 @@ Feature: My overview block pagination
       | student1 | C25 | student |
     When I log in as "student1"
     And I click on "[data-control='next']" "css_element" in the "Course overview" "block"
-    And I wait until ".block_myoverview [data-control='next']" "css_element" exists
     Then the "class" attribute of ".block_myoverview [data-control='next']" "css_element" should not contain "disabled"
     And the "class" attribute of ".block_myoverview [data-control='previous']" "css_element" should not contain "disabled"
     And I should see "Course 13" in the "Course overview" "block"
diff --git a/lib/amd/build/paged_content_pages.min.js b/lib/amd/build/paged_content_pages.min.js
index d792ca049d4..5aa19715b14 100644
--- a/lib/amd/build/paged_content_pages.min.js
+++ b/lib/amd/build/paged_content_pages.min.js
@@ -1,2 +1,2 @@
-define ("core/paged_content_pages",["jquery","core/templates","core/notification","core/pubsub","core/paged_content_events"],function(a,b,c,d,e){var f={ROOT:"[data-region=\"page-container\"]",PAGE_REGION:"[data-region=\"paged-content-page\"]",ACTIVE_PAGE_REGION:"[data-region=\"paged-content-page\"].active"},g={PAGING_CONTENT_ITEM:"core/paged_content_page",LOADING:"core/overlay_loading"},h=function(a,b){return a.find("[data-page=\""+b+"\"]")},i=function(d){var e=a.Deferred();d.attr("aria-busy",!0);b.render(g.LOADING,{visible:!0}).then(function(b){var c=a(b),f=setTimeout(function(){d.css("position","relative");c.appendTo(d)},300);e.always(function(){clearTimeout(f);c.remove();d.css("position","");d.removeAttr("aria-busy")})}).fail(c.exception);return e},j=function(d,e,f){var i=a.Deferred();e.then(function(a,e){e=e||"";b.render(g.PAGING_CONTENT_ITEM,{page:f,content:a}).then(function(a){b.appendNodeContents(d,a,e);var c=h(d,f);i.resolve(c)}).fail(function(a){i.reject(a)}).fail(c.exception)}).fail(function(a){i.reject(a)}).fail(c.exception);return i.promise()},k=function(b,g,k,l){var m=[],n=[],o=a.Deferred();g.forEach(function(a){var c=a.pageNumber,d=h(b,c);if(d.length){m.push(d)}else{n.push(a)}});if(n.length&&"function"==typeof l){var p=l(n,{allItemsLoaded:function allItemsLoaded(a){d.publish(k+e.ALL_ITEMS_LOADED,a)}}),q=p.map(function(a,c){return j(b,a,n[c].pageNumber)});a.when.apply(a,q).then(function(){var a=Array.prototype.slice.call(arguments);o.resolve(a)}).fail(function(a){o.reject(a)}).fail(c.exception)}else{o.resolve([])}var r=i(b);o.then(function(a){var c=m.concat(a);b.find(f.PAGE_REGION).addClass("hidden");c.forEach(function(a){if(!0){a.removeClass("hidden")}})}).then(function(){d.publish(k+e.PAGES_SHOWN,g)}).fail(c.exception).always(function(){r.resolve()})};return{init:function init(b,c,f){b=a(b);d.subscribe(c+e.SHOW_PAGES,function(a){k(b,a,c,f)});d.subscribe(c+e.SET_ITEMS_PER_PAGE_LIMIT,function(){b.empty()})},rootSelector:f.ROOT}});
+define ("core/paged_content_pages",["jquery","core/templates","core/notification","core/pubsub","core/paged_content_events","core/pending"],function(a,b,c,d,e,f){var g={ROOT:"[data-region=\"page-container\"]",PAGE_REGION:"[data-region=\"paged-content-page\"]",ACTIVE_PAGE_REGION:"[data-region=\"paged-content-page\"].active"},h={PAGING_CONTENT_ITEM:"core/paged_content_page",LOADING:"core/overlay_loading"},i=function(a,b){return a.find("[data-page=\""+b+"\"]")},j=function(d){var e=a.Deferred();d.attr("aria-busy",!0);var g=new f("core/paged_content_pages:startLoading");b.render(h.LOADING,{visible:!0}).then(function(b){var c=a(b),f=setTimeout(function(){d.css("position","relative");c.appendTo(d)},300);e.always(function(){clearTimeout(f);c.remove();d.css("position","");d.removeAttr("aria-busy");g.resolve()})}).fail(c.exception);return e},k=function(d,e,f){var g=a.Deferred();e.then(function(a,e){e=e||"";b.render(h.PAGING_CONTENT_ITEM,{page:f,content:a}).then(function(a){b.appendNodeContents(d,a,e);var c=i(d,f);g.resolve(c)}).fail(function(a){g.reject(a)}).fail(c.exception)}).fail(function(a){g.reject(a)}).fail(c.exception);return g.promise()},l=function(b,h,l,m){var n=new f("core/paged_content_pages:showPages"),o=[],p=[],q=a.Deferred();h.forEach(function(a){var c=a.pageNumber,d=i(b,c);if(d.length){o.push(d)}else{p.push(a)}});if(p.length&&"function"==typeof m){var r=m(p,{allItemsLoaded:function allItemsLoaded(a){d.publish(l+e.ALL_ITEMS_LOADED,a)}}),s=r.map(function(a,c){return k(b,a,p[c].pageNumber)});a.when.apply(a,s).then(function(){var a=Array.prototype.slice.call(arguments);q.resolve(a)}).fail(function(a){q.reject(a)}).fail(c.exception)}else{q.resolve([])}var t=j(b);q.then(function(a){var c=o.concat(a);b.find(g.PAGE_REGION).addClass("hidden");c.forEach(function(a){if(!0){a.removeClass("hidden")}})}).then(function(){d.publish(l+e.PAGES_SHOWN,h)}).fail(c.exception).always(function(){t.resolve();n.resolve()}).catch()};return{init:function init(b,c,f){b=a(b);d.subscribe(c+e.SHOW_PAGES,function(a){l(b,a,c,f)});d.subscribe(c+e.SET_ITEMS_PER_PAGE_LIMIT,function(){b.empty()})},rootSelector:g.ROOT}});
 //# sourceMappingURL=paged_content_pages.min.js.map
diff --git a/lib/amd/build/paged_content_pages.min.js.map b/lib/amd/build/paged_content_pages.min.js.map
index a6dc9eb22b4..949523e2be7 100644
--- a/lib/amd/build/paged_content_pages.min.js.map
+++ b/lib/amd/build/paged_content_pages.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/paged_content_pages.js"],"names":["define","$","Templates","Notification","PubSub","PagedContentEvents","SELECTORS","ROOT","PAGE_REGION","ACTIVE_PAGE_REGION","TEMPLATES","PAGING_CONTENT_ITEM","LOADING","findPage","root","pageNumber","find","startLoading","deferred","Deferred","attr","render","visible","then","html","loadingSpinner","timerId","setTimeout","css","appendTo","always","clearTimeout","remove","removeAttr","fail","exception","renderPagePromise","pagePromise","pageJS","page","content","appendNodeContents","resolve","reject","promise","showPages","pagesData","id","renderPagesContentCallback","existingPages","newPageData","newPagesPromise","forEach","pageData","existingPage","length","push","promises","allItemsLoaded","lastPageNumber","publish","ALL_ITEMS_LOADED","renderPagePromises","map","index","when","apply","newPages","Array","prototype","slice","call","arguments","loadingPromise","pagesToShow","concat","addClass","removeClass","PAGES_SHOWN","init","subscribe","SHOW_PAGES","SET_ITEMS_PER_PAGE_LIMIT","empty","rootSelector"],"mappings":"AAsBAA,OAAM,4BACF,CACI,QADJ,CAEI,gBAFJ,CAGI,mBAHJ,CAII,aAJJ,CAKI,2BALJ,CADE,CAQF,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAME,IAEEC,CAAAA,CAAS,CAAG,CACZC,IAAI,CAAE,kCADM,CAEZC,WAAW,CAAE,sCAFD,CAGZC,kBAAkB,CAAE,6CAHR,CAFd,CAQEC,CAAS,CAAG,CACZC,mBAAmB,CAAE,yBADT,CAEZC,OAAO,CAAE,sBAFG,CARd,CAsBEC,CAAQ,CAAG,SAASC,CAAT,CAAeC,CAAf,CAA2B,CACtC,MAAOD,CAAAA,CAAI,CAACE,IAAL,CAAU,gBAAiBD,CAAjB,CAA8B,KAAxC,CACV,CAxBC,CAoCEE,CAAY,CAAG,SAASH,CAAT,CAAe,CAC9B,GAAII,CAAAA,CAAQ,CAAGjB,CAAC,CAACkB,QAAF,EAAf,CACAL,CAAI,CAACM,IAAL,CAAU,WAAV,KAEAlB,CAAS,CAACmB,MAAV,CAAiBX,CAAS,CAACE,OAA3B,CAAoC,CAACU,OAAO,GAAR,CAApC,EACKC,IADL,CACU,SAASC,CAAT,CAAe,IACbC,CAAAA,CAAc,CAAGxB,CAAC,CAACuB,CAAD,CADL,CAMbE,CAAO,CAAGC,UAAU,CAAC,UAAW,CAChCb,CAAI,CAACc,GAAL,CAAS,UAAT,CAAqB,UAArB,EACAH,CAAc,CAACI,QAAf,CAAwBf,CAAxB,CACH,CAHuB,CAlCN,GAkCM,CANP,CAWjBI,CAAQ,CAACY,MAAT,CAAgB,UAAW,CACvBC,YAAY,CAACL,CAAD,CAAZ,CAGAD,CAAc,CAACO,MAAf,GACAlB,CAAI,CAACc,GAAL,CAAS,UAAT,CAAqB,EAArB,EACAd,CAAI,CAACmB,UAAL,CAAgB,WAAhB,CAEH,CARD,CAWH,CAvBL,EAwBKC,IAxBL,CAwBU/B,CAAY,CAACgC,SAxBvB,EA0BA,MAAOjB,CAAAA,CACV,CAnEC,CAgFEkB,CAAiB,CAAG,SAAStB,CAAT,CAAeuB,CAAf,CAA4BtB,CAA5B,CAAwC,CAC5D,GAAIG,CAAAA,CAAQ,CAAGjB,CAAC,CAACkB,QAAF,EAAf,CACAkB,CAAW,CAACd,IAAZ,CAAiB,SAASC,CAAT,CAAec,CAAf,CAAuB,CACpCA,CAAM,CAAGA,CAAM,EAAI,EAAnB,CAGApC,CAAS,CAACmB,MAAV,CAAiBX,CAAS,CAACC,mBAA3B,CAAgD,CAC5C4B,IAAI,CAAExB,CADsC,CAE5CyB,OAAO,CAAEhB,CAFmC,CAAhD,EAICD,IAJD,CAIM,SAASC,CAAT,CAAe,CAGjBtB,CAAS,CAACuC,kBAAV,CAA6B3B,CAA7B,CAAmCU,CAAnC,CAAyCc,CAAzC,EACA,GAAIC,CAAAA,CAAI,CAAG1B,CAAQ,CAACC,CAAD,CAAOC,CAAP,CAAnB,CACAG,CAAQ,CAACwB,OAAT,CAAiBH,CAAjB,CAEH,CAXD,EAYCL,IAZD,CAYM,SAASC,CAAT,CAAoB,CACtBjB,CAAQ,CAACyB,MAAT,CAAgBR,CAAhB,CACH,CAdD,EAeCD,IAfD,CAeM/B,CAAY,CAACgC,SAfnB,CAkBH,CAtBD,EAuBCD,IAvBD,CAuBM,SAASC,CAAT,CAAoB,CACtBjB,CAAQ,CAACyB,MAAT,CAAgBR,CAAhB,CAEH,CA1BD,EA2BCD,IA3BD,CA2BM/B,CAAY,CAACgC,SA3BnB,EA6BA,MAAOjB,CAAAA,CAAQ,CAAC0B,OAAT,EACV,CAhHC,CAmJEC,CAAS,CAAG,SAAS/B,CAAT,CAAegC,CAAf,CAA0BC,CAA1B,CAA8BC,CAA9B,CAA0D,IAClEC,CAAAA,CAAa,CAAG,EADkD,CAElEC,CAAW,CAAG,EAFoD,CAGlEC,CAAe,CAAGlD,CAAC,CAACkB,QAAF,EAHgD,CAOtE2B,CAAS,CAACM,OAAV,CAAkB,SAASC,CAAT,CAAmB,IAC7BtC,CAAAA,CAAU,CAAGsC,CAAQ,CAACtC,UADO,CAE7BuC,CAAY,CAAGzC,CAAQ,CAACC,CAAD,CAAOC,CAAP,CAFM,CAGjC,GAAIuC,CAAY,CAACC,MAAjB,CAAyB,CACrBN,CAAa,CAACO,IAAd,CAAmBF,CAAnB,CACH,CAFD,IAEO,CACHJ,CAAW,CAACM,IAAZ,CAAiBH,CAAjB,CACH,CACJ,CARD,EAUA,GAAIH,CAAW,CAACK,MAAZ,EAA4D,UAAtC,QAAOP,CAAAA,CAAjC,CAA4E,IAGpES,CAAAA,CAAQ,CAAGT,CAA0B,CAACE,CAAD,CAAc,CACnDQ,cAAc,CAAE,wBAASC,CAAT,CAAyB,CACrCvD,CAAM,CAACwD,OAAP,CAAeb,CAAE,CAAG1C,CAAkB,CAACwD,gBAAvC,CAAyDF,CAAzD,CACH,CAHkD,CAAd,CAH+B,CAWpEG,CAAkB,CAAGL,CAAQ,CAACM,GAAT,CAAa,SAASnB,CAAT,CAAkBoB,CAAlB,CAAyB,CAE3D,MAAO5B,CAAAA,CAAiB,CAACtB,CAAD,CAAO8B,CAAP,CAAgBM,CAAW,CAACc,CAAD,CAAX,CAAmBjD,UAAnC,CAC3B,CAHwB,CAX+C,CAiBxEd,CAAC,CAACgE,IAAF,CAAOC,KAAP,CAAajE,CAAb,CAAgB6D,CAAhB,EACKvC,IADL,CACU,UAAW,CACb,GAAI4C,CAAAA,CAAQ,CAAGC,KAAK,CAACC,SAAN,CAAgBC,KAAhB,CAAsBC,IAAtB,CAA2BC,SAA3B,CAAf,CAEArB,CAAe,CAACT,OAAhB,CAAwByB,CAAxB,CAEH,CANL,EAOKjC,IAPL,CAOU,SAASC,CAAT,CAAoB,CACtBgB,CAAe,CAACR,MAAhB,CAAuBR,CAAvB,CAEH,CAVL,EAWKD,IAXL,CAWU/B,CAAY,CAACgC,SAXvB,CAYH,CA7BD,IA6BO,CAEHgB,CAAe,CAACT,OAAhB,CAAwB,EAAxB,CACH,CAED,GAAI+B,CAAAA,CAAc,CAAGxD,CAAY,CAACH,CAAD,CAAjC,CACAqC,CAAe,CAAC5B,IAAhB,CAAqB,SAAS4C,CAAT,CAAmB,CAGpC,GAAIO,CAAAA,CAAW,CAAGzB,CAAa,CAAC0B,MAAd,CAAqBR,CAArB,CAAlB,CAEArD,CAAI,CAACE,IAAL,CAAUV,CAAS,CAACE,WAApB,EAAiCoE,QAAjC,CAA0C,QAA1C,EAEAF,CAAW,CAACtB,OAAZ,CAAoB,SAASb,CAAT,CAAe,CAC/B,MAAiB,CACbA,CAAI,CAACsC,WAAL,CAAiB,QAAjB,CACH,CACJ,CAJD,CAOH,CAdD,EAeCtD,IAfD,CAeM,UAAW,CAEbnB,CAAM,CAACwD,OAAP,CAAeb,CAAE,CAAG1C,CAAkB,CAACyE,WAAvC,CAAoDhC,CAApD,CAEH,CAnBD,EAoBCZ,IApBD,CAoBM/B,CAAY,CAACgC,SApBnB,EAqBCL,MArBD,CAqBQ,UAAW,CACf2C,CAAc,CAAC/B,OAAf,EACH,CAvBD,CAwBH,CA/NC,CA+QF,MAAO,CACHqC,IAAI,CAfG,QAAPA,CAAAA,IAAO,CAASjE,CAAT,CAAeiC,CAAf,CAAmBC,CAAnB,CAA+C,CACtDlC,CAAI,CAAGb,CAAC,CAACa,CAAD,CAAR,CAEAV,CAAM,CAAC4E,S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This file is part of Moodle - http://moodle.org/\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 * Javascript for showing/hiding pages of content.\n *\n * @module     core/paged_content_pages\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'core/pubsub',\n        'core/paged_content_events'\n    ],\n    function(\n        $,\n        Templates,\n        Notification,\n        PubSub,\n        PagedContentEvents\n    ) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"page-container\"]',\n        PAGE_REGION: '[data-region=\"paged-content-page\"]',\n        ACTIVE_PAGE_REGION: '[data-region=\"paged-content-page\"].active'\n    };\n\n    var TEMPLATES = {\n        PAGING_CONTENT_ITEM: 'core/paged_content_page',\n        LOADING: 'core/overlay_loading'\n    };\n\n    var PRELOADING_GRACE_PERIOD = 300;\n\n    /**\n     * Find a page by the number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number of the page to be found.\n     * @returns {jQuery} The page.\n     */\n    var findPage = function(root, pageNumber) {\n        return root.find('[data-page=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Show the loading spinner until the returned deferred is resolved by the\n     * calling code.\n     *\n     * The loading spinner is only rendered after a short grace period to avoid\n     * having it flash up briefly in the interface.\n     *\n     * @param {object} root The root element.\n     * @returns {promise} The page.\n     */\n    var startLoading = function(root) {\n        var deferred = $.Deferred();\n        root.attr('aria-busy', true);\n\n        Templates.render(TEMPLATES.LOADING, {visible: true})\n            .then(function(html) {\n                var loadingSpinner = $(html);\n                // Put this in a timer to give the calling code 300 milliseconds\n                // to render the content before we show the loading spinner. This\n                // helps prevent a loading icon flicker on close to instant\n                // rendering.\n                var timerId = setTimeout(function() {\n                    root.css('position', 'relative');\n                    loadingSpinner.appendTo(root);\n                }, PRELOADING_GRACE_PERIOD);\n\n                deferred.always(function() {\n                    clearTimeout(timerId);\n                    // Remove the loading spinner when our deferred is resolved\n                    // by the calling code.\n                    loadingSpinner.remove();\n                    root.css('position', '');\n                    root.removeAttr('aria-busy');\n                    return;\n                });\n\n                return;\n            })\n            .fail(Notification.exception);\n\n        return deferred;\n    };\n\n    /**\n     * Render the result of the page promise in a paged content page.\n     *\n     * This function returns a promise that is resolved with the new paged content\n     * page.\n     *\n     * @param {object} root The root element.\n     * @param {promise} pagePromise The promise resolved with HTML and JS to render in the page.\n     * @param {Number} pageNumber The page number.\n     * @returns {promise} The page.\n     */\n    var renderPagePromise = function(root, pagePromise, pageNumber) {\n        var deferred = $.Deferred();\n        pagePromise.then(function(html, pageJS) {\n            pageJS = pageJS || '';\n            // When we get the contents to be rendered we can pass it in as the\n            // content for a new page.\n            Templates.render(TEMPLATES.PAGING_CONTENT_ITEM, {\n                page: pageNumber,\n                content: html\n            })\n            .then(function(html) {\n                // Make sure the JS we got from the page promise is being added\n                // to the page when we render the page.\n                Templates.appendNodeContents(root, html, pageJS);\n                var page = findPage(root, pageNumber);\n                deferred.resolve(page);\n                return;\n            })\n            .fail(function(exception) {\n                deferred.reject(exception);\n            })\n            .fail(Notification.exception);\n\n            return;\n        })\n        .fail(function(exception) {\n            deferred.reject(exception);\n            return;\n        })\n        .fail(Notification.exception);\n\n        return deferred.promise();\n    };\n\n    /**\n     * Make one or more pages visible based on the SHOW_PAGES event. The show\n     * pages event provides data containing which pages should be shown as well\n     * as the limit and offset values for loading the items for each of those pages.\n     *\n     * The renderPagesContentCallback is provided this list of data to know which\n     * pages to load. E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * This function triggers the PAGES_SHOWN event after the pages have been rendered.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pagesData The data for which pages need to be visible.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var showPages = function(root, pagesData, id, renderPagesContentCallback) {\n        var existingPages = [];\n        var newPageData = [];\n        var newPagesPromise = $.Deferred();\n        var shownewpage = true;\n        // Check which of the pages being requests have previously been rendered\n        // so that we only ask for new pages to be rendered by the callback.\n        pagesData.forEach(function(pageData) {\n            var pageNumber = pageData.pageNumber;\n            var existingPage = findPage(root, pageNumber);\n            if (existingPage.length) {\n                existingPages.push(existingPage);\n            } else {\n                newPageData.push(pageData);\n            }\n        });\n\n        if (newPageData.length && typeof renderPagesContentCallback === 'function') {\n            // If we have pages we haven't previously seen then ask the client code\n            // to render them for us by calling the callback.\n            var promises = renderPagesContentCallback(newPageData, {\n                allItemsLoaded: function(lastPageNumber) {\n                    PubSub.publish(id + PagedContentEvents.ALL_ITEMS_LOADED, lastPageNumber);\n                }\n            });\n            // After the client has finished rendering each of the pages being asked\n            // for then begin our rendering process to put that content into paged\n            // content pages.\n            var renderPagePromises = promises.map(function(promise, index) {\n                // Create our promise for when our rendering will be completed.\n                return renderPagePromise(root, promise, newPageData[index].pageNumber);\n            });\n            // After each of our rendering promises have been completed then we can\n            // give all of the new pages to the next bit of code for handling.\n            $.when.apply($, renderPagePromises)\n                .then(function() {\n                    var newPages = Array.prototype.slice.call(arguments);\n                    // Resolve the promise with the list of newly rendered pages.\n                    newPagesPromise.resolve(newPages);\n                    return;\n                })\n                .fail(function(exception) {\n                    newPagesPromise.reject(exception);\n                    return;\n                })\n                .fail(Notification.exception);\n        } else {\n            // If there aren't any pages to load then immediately resolve the promise.\n            newPagesPromise.resolve([]);\n        }\n\n        var loadingPromise = startLoading(root);\n        newPagesPromise.then(function(newPages) {\n            // Once all of the new pages have been created then add them to any\n            // existing pages we have.\n            var pagesToShow = existingPages.concat(newPages);\n            // Hide all existing pages.\n            root.find(SELECTORS.PAGE_REGION).addClass('hidden');\n            // Show each of the pages that were requested.;\n            pagesToShow.forEach(function(page) {\n                if (shownewpage) {\n                    page.removeClass('hidden');\n                }\n            });\n\n            return;\n        })\n        .then(function() {\n            // Let everything else know we've displayed the pages.\n            PubSub.publish(id + PagedContentEvents.PAGES_SHOWN, pagesData);\n            return;\n        })\n        .fail(Notification.exception)\n        .always(function() {\n            loadingPromise.resolve();\n        });\n    };\n\n    /**\n     * Initialise the module to listen for SHOW_PAGES events and render the\n     * appropriate pages using the provided renderPagesContentCallback function.\n     *\n     * The renderPagesContentCallback is provided a list of data to know which\n     * pages to load.\n     * E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * The event element is the element to listen for the paged content events on.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var init = function(root, id, renderPagesContentCallback) {\n        root = $(root);\n\n        PubSub.subscribe(id + PagedContentEvents.SHOW_PAGES, function(pagesData) {\n            showPages(root, pagesData, id, renderPagesContentCallback);\n        });\n\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function() {\n            // If the items per page limit was changed then we need to clear our content\n            // the load new values based on the new limit.\n            root.empty();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_pages.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\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 * Javascript for showing/hiding pages of content.\n *\n * @module     core/paged_content_pages\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'core/pubsub',\n        'core/paged_content_events',\n        'core/pending',\n    ],\n    function(\n        $,\n        Templates,\n        Notification,\n        PubSub,\n        PagedContentEvents,\n        Pending\n    ) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"page-container\"]',\n        PAGE_REGION: '[data-region=\"paged-content-page\"]',\n        ACTIVE_PAGE_REGION: '[data-region=\"paged-content-page\"].active'\n    };\n\n    var TEMPLATES = {\n        PAGING_CONTENT_ITEM: 'core/paged_content_page',\n        LOADING: 'core/overlay_loading'\n    };\n\n    var PRELOADING_GRACE_PERIOD = 300;\n\n    /**\n     * Find a page by the number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number of the page to be found.\n     * @returns {jQuery} The page.\n     */\n    var findPage = function(root, pageNumber) {\n        return root.find('[data-page=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Show the loading spinner until the returned deferred is resolved by the\n     * calling code.\n     *\n     * The loading spinner is only rendered after a short grace period to avoid\n     * having it flash up briefly in the interface.\n     *\n     * @param {object} root The root element.\n     * @returns {promise} The page.\n     */\n    var startLoading = function(root) {\n        var deferred = $.Deferred();\n        root.attr('aria-busy', true);\n\n        var pendingPromise = new Pending('core/paged_content_pages:startLoading');\n\n        Templates.render(TEMPLATES.LOADING, {visible: true})\n            .then(function(html) {\n                var loadingSpinner = $(html);\n                // Put this in a timer to give the calling code 300 milliseconds\n                // to render the content before we show the loading spinner. This\n                // helps prevent a loading icon flicker on close to instant\n                // rendering.\n                var timerId = setTimeout(function() {\n                    root.css('position', 'relative');\n                    loadingSpinner.appendTo(root);\n                }, PRELOADING_GRACE_PERIOD);\n\n                deferred.always(function() {\n                    clearTimeout(timerId);\n                    // Remove the loading spinner when our deferred is resolved\n                    // by the calling code.\n                    loadingSpinner.remove();\n                    root.css('position', '');\n                    root.removeAttr('aria-busy');\n\n                    pendingPromise.resolve();\n                    return;\n                });\n\n                return;\n            })\n            .fail(Notification.exception);\n\n        return deferred;\n    };\n\n    /**\n     * Render the result of the page promise in a paged content page.\n     *\n     * This function returns a promise that is resolved with the new paged content\n     * page.\n     *\n     * @param {object} root The root element.\n     * @param {promise} pagePromise The promise resolved with HTML and JS to render in the page.\n     * @param {Number} pageNumber The page number.\n     * @returns {promise} The page.\n     */\n    var renderPagePromise = function(root, pagePromise, pageNumber) {\n        var deferred = $.Deferred();\n        pagePromise.then(function(html, pageJS) {\n            pageJS = pageJS || '';\n            // When we get the contents to be rendered we can pass it in as the\n            // content for a new page.\n            Templates.render(TEMPLATES.PAGING_CONTENT_ITEM, {\n                page: pageNumber,\n                content: html\n            })\n            .then(function(html) {\n                // Make sure the JS we got from the page promise is being added\n                // to the page when we render the page.\n                Templates.appendNodeContents(root, html, pageJS);\n                var page = findPage(root, pageNumber);\n                deferred.resolve(page);\n                return;\n            })\n            .fail(function(exception) {\n                deferred.reject(exception);\n            })\n            .fail(Notification.exception);\n\n            return;\n        })\n        .fail(function(exception) {\n            deferred.reject(exception);\n            return;\n        })\n        .fail(Notification.exception);\n\n        return deferred.promise();\n    };\n\n    /**\n     * Make one or more pages visible based on the SHOW_PAGES event. The show\n     * pages event provides data containing which pages should be shown as well\n     * as the limit and offset values for loading the items for each of those pages.\n     *\n     * The renderPagesContentCallback is provided this list of data to know which\n     * pages to load. E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * This function triggers the PAGES_SHOWN event after the pages have been rendered.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pagesData The data for which pages need to be visible.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var showPages = function(root, pagesData, id, renderPagesContentCallback) {\n        var pendingPromise = new Pending('core/paged_content_pages:showPages');\n        var existingPages = [];\n        var newPageData = [];\n        var newPagesPromise = $.Deferred();\n        var shownewpage = true;\n        // Check which of the pages being requests have previously been rendered\n        // so that we only ask for new pages to be rendered by the callback.\n        pagesData.forEach(function(pageData) {\n            var pageNumber = pageData.pageNumber;\n            var existingPage = findPage(root, pageNumber);\n            if (existingPage.length) {\n                existingPages.push(existingPage);\n            } else {\n                newPageData.push(pageData);\n            }\n        });\n\n        if (newPageData.length && typeof renderPagesContentCallback === 'function') {\n            // If we have pages we haven't previously seen then ask the client code\n            // to render them for us by calling the callback.\n            var promises = renderPagesContentCallback(newPageData, {\n                allItemsLoaded: function(lastPageNumber) {\n                    PubSub.publish(id + PagedContentEvents.ALL_ITEMS_LOADED, lastPageNumber);\n                }\n            });\n            // After the client has finished rendering each of the pages being asked\n            // for then begin our rendering process to put that content into paged\n            // content pages.\n            var renderPagePromises = promises.map(function(promise, index) {\n                // Create our promise for when our rendering will be completed.\n                return renderPagePromise(root, promise, newPageData[index].pageNumber);\n            });\n            // After each of our rendering promises have been completed then we can\n            // give all of the new pages to the next bit of code for handling.\n            $.when.apply($, renderPagePromises)\n                .then(function() {\n                    var newPages = Array.prototype.slice.call(arguments);\n                    // Resolve the promise with the list of newly rendered pages.\n                    newPagesPromise.resolve(newPages);\n                    return;\n                })\n                .fail(function(exception) {\n                    newPagesPromise.reject(exception);\n                    return;\n                })\n                .fail(Notification.exception);\n        } else {\n            // If there aren't any pages to load then immediately resolve the promise.\n            newPagesPromise.resolve([]);\n        }\n\n        var loadingPromise = startLoading(root);\n        newPagesPromise.then(function(newPages) {\n            // Once all of the new pages have been created then add them to any\n            // existing pages we have.\n            var pagesToShow = existingPages.concat(newPages);\n            // Hide all existing pages.\n            root.find(SELECTORS.PAGE_REGION).addClass('hidden');\n            // Show each of the pages that were requested.;\n            pagesToShow.forEach(function(page) {\n                if (shownewpage) {\n                    page.removeClass('hidden');\n                }\n            });\n\n            return;\n        })\n        .then(function() {\n            // Let everything else know we've displayed the pages.\n            PubSub.publish(id + PagedContentEvents.PAGES_SHOWN, pagesData);\n            return;\n        })\n        .fail(Notification.exception)\n        .always(function() {\n            loadingPromise.resolve();\n            pendingPromise.resolve();\n        })\n        .catch();\n    };\n\n    /**\n     * Initialise the module to listen for SHOW_PAGES events and render the\n     * appropriate pages using the provided renderPagesContentCallback function.\n     *\n     * The renderPagesContentCallback is provided a list of data to know which\n     * pages to load.\n     * E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * The event element is the element to listen for the paged content events on.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var init = function(root, id, renderPagesContentCallback) {\n        root = $(root);\n\n        PubSub.subscribe(id + PagedContentEvents.SHOW_PAGES, function(pagesData) {\n            showPages(root, pagesData, id, renderPagesContentCallback);\n        });\n\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function() {\n            // If the items per page limit was changed then we need to clear our content\n            // the load new values based on the new limit.\n            root.empty();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_pages.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_paging_bar.min.js b/lib/amd/build/paged_content_paging_bar.min.js
index ef384a4c157..e93df0e9582 100644
--- a/lib/amd/build/paged_content_paging_bar.min.js
+++ b/lib/amd/build/paged_content_paging_bar.min.js
@@ -1,2 +1,2 @@
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+define ("core/paged_content_paging_bar",["jquery","core/custom_interaction_events","core/paged_content_events","core/str","core/pubsub","core/pending"],function(a,b,c,d,e,f){var g={ROOT:"[data-region=\"paging-bar\"]",PAGE:"[data-page]",PAGE_ITEM:"[data-region=\"page-item\"]",PAGE_LINK:"[data-region=\"page-link\"]",FIRST_BUTTON:"[data-control=\"first\"]",LAST_BUTTON:"[data-control=\"last\"]",NEXT_BUTTON:"[data-control=\"next\"]",PREVIOUS_BUTTON:"[data-control=\"previous\"]",DOTS_BUTTONS:"[data-dots]",BEGINNING_DOTS_BUTTON:"[data-dots=\"beginning\"]",ENDING_DOTS_BUTTON:"[data-dots=\"ending\"]"},h=function(a,b){return a.find(g.PAGE_ITEM+"[data-page-number=\""+b+"\"]")},i=function(a){return a.find(g.NEXT_BUTTON)},j=function(a,b){a.attr("data-last-page-number",b)},k=function(a){return parseInt(a.attr("data-last-page-number"),10)},l=function(a){return parseInt(a.attr("data-active-page-number"),10)},m=function(a,b){a.attr("data-active-page-number",b)},n=function(a){var b=l(a);return!isNaN(b)&&0!=b},o=function(a,b){if(b.attr("data-page")!=void 0){return parseInt(b.attr("data-page-number"),10)}var c=1,d=null;switch(b.attr("data-control")){case"first":c=1;break;case"last":c=k(a);break;case"next":d=l(a);var e=k(a);if(!e){c=d+1}else if(d&&d<e){c=d+1}else{c=e}break;case"previous":d=l(a);if(d&&1<d){c=d-1}else{c=1}break;default:c=1;break;}return parseInt(c,10)},p=function(a){return parseInt(a.attr("data-items-per-page"),10)},q=function(a,b){a.attr("data-items-per-page",b)},r=function(a){a.removeClass("hidden")},s=function(a){a.addClass("hidden")},t=function(a){var b=a.find(g.NEXT_BUTTON),c=a.find(g.LAST_BUTTON);b.addClass("disabled");b.attr("aria-disabled",!0);c.addClass("disabled");c.attr("aria-disabled",!0)},u=function(a){var b=a.find(g.NEXT_BUTTON),c=a.find(g.LAST_BUTTON);b.removeClass("disabled");b.removeAttr("aria-disabled");c.removeClass("disabled");c.removeAttr("aria-disabled")},v=function(a){var b=a.find(g.PREVIOUS_BUTTON),c=a.find(g.FIRST_BUTTON);b.addClass("disabled");b.attr("aria-disabled",!0);c.addClass("disabled");c.attr("aria-disabled",!0)},w=function(b){var c=l(b),d=k(b),e=b.find(g.DOTS_BUTTONS),f=b.find(g.BEGINNING_DOTS_BUTTON),h=b.find(g.ENDING_DOTS_BUTTON),i=b.find(g.PAGE),j=parseInt(b.attr("data-bar-size"),10);if(j&&d>j){var m=Math.max(c-Math.round(j/2),1),n=m+j-1;if(n>=d){n=d;m=n-j+1}if(1<m){r(f);m++}else{s(f)}if(n<d){r(h);n--}else{s(h)}e.addClass("disabled");e.attr("aria-disabled",!0);s(i);i.each(function(b,c){c=a(c);if(b+1>=m&&b+1<=n){r(c)}})}else{s(e)}},x=function(a){var b=a.find(g.PREVIOUS_BUTTON),c=a.find(g.FIRST_BUTTON);b.removeClass("disabled");b.removeAttr("aria-disabled");c.removeClass("disabled");c.removeAttr("aria-disabled")},y=function(a){var b=a.attr("data-aria-label-components-pagination-item"),c=b.split(",").map(function(a){return a.trim()});return c},z=function(a){var b=a.attr("data-aria-label-components-pagination-active-item"),c=b.split(",").map(function(a){return a.trim()});return c},A=function(b,c){var d=0;m(b,0);c.each(function(c,e){var f=c+1;e=a(e);e.attr("data-page-number",f);d++;if(e.hasClass("active")){m(b,f)}});j(b,d)},B=function(b){var c=y(b),e=z(b),f=l(b),h=b.find(g.PAGE_ITEM),i=h.map(function(d,g){g=a(g);var h=o(b,g);if(h===f){return{key:e[0],component:e[1],param:h}}else{return{key:c[0],component:c[1],param:h}}});d.get_strings(i).then(function(b){h.each(function(c,d){d=a(d);var e=b[c];d.attr("aria-label",e);d.find(g.PAGE_LINK).attr("aria-label",e)});return b}).catch(function(){})},C=function(a,b,d){var i=new f("core/paged_content_paging_bar:showPage"),j=k(a),n=b==l(a),o=p(a);if(!n){a.find(g.PAGE_ITEM).removeClass("active").removeAttr("aria-current");var q=h(a,b);q.addClass("active");q.attr("aria-current",!0);m(a,b);w(a)}if(j&&b>=j){t(a)}else{u(a)}if(1<b){x(a)}else{v(a)}B(a);e.publish(d+c.SHOW_PAGES,[{pageNumber:b,limit:o,offset:(b-1)*o}]);i.resolve()},D=function(d,f){var h=d.attr("data-ignore-control-while-loading"),i=!1;if(""==h){h=!0}b.define(d,[b.events.activate]);d.on(b.events.activate,g.PAGE_ITEM,function(b,c){c.originalEvent.preventDefault();c.originalEvent.stopPropagation();if(h&&i){return}var e=a(b.target).closest(g.PAGE_ITEM);if(!e.hasClass("disabled")){var j=o(d,e);C(d,j,f);i=!0}});e.subscribe(f+c.ALL_ITEMS_LOADED,function(a){i=!1;var b=k(d);if(!b||a<b){j(d,a)}if(1===a&&d.attr("data-hide-control-on-single-page")){s(d);t(d);v(d)}else{r(d);t(d)}});e.subscribe(f+c.PAGES_SHOWN,function(){i=!1});e.subscribe(f+c.SET_ITEMS_PER_PAGE_LIMIT,function(a){q(d,a);j(d,0);m(d,0);r(d);C(d,1,f)})};return{init:function init(b,c){b=a(b);var d=b.find(g.PAGE);A(b,d);D(b,c);if(n(b)){var e=l(b);h(b,e).click();if(1==e){v(b)}}else{i(b).click()}w(b)},disableNextControlButtons:t,enableNextControlButtons:u,disablePreviousControlButtons:v,enablePreviousControlButtons:x,showPage:C,rootSelector:g.ROOT}});
 //# sourceMappingURL=paged_content_paging_bar.min.js.map
diff --git a/lib/amd/build/paged_content_paging_bar.min.js.map b/lib/amd/build/paged_content_paging_bar.min.js.map
index 4cdfb62e02e..32e8f9e09ba 100644
--- a/lib/amd/build/paged_content_paging_bar.min.js.map
+++ b/lib/amd/build/paged_content_paging_bar.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\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 * Javascript to enhance the paged content paging bar.\n *\n * @module     core/paging_bar\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/custom_interaction_events',\n    'core/paged_content_events',\n    'core/str',\n    'core/pubsub'\n],\nfunction(\n    $,\n    CustomEvents,\n    PagedContentEvents,\n    Str,\n    PubSub\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-bar\"]',\n        PAGE: '[data-page]',\n        PAGE_ITEM: '[data-region=\"page-item\"]',\n        PAGE_LINK: '[data-region=\"page-link\"]',\n        FIRST_BUTTON: '[data-control=\"first\"]',\n        LAST_BUTTON: '[data-control=\"last\"]',\n        NEXT_BUTTON: '[data-control=\"next\"]',\n        PREVIOUS_BUTTON: '[data-control=\"previous\"]',\n        DOTS_BUTTONS: '[data-dots]',\n        BEGINNING_DOTS_BUTTON: '[data-dots=\"beginning\"]',\n        ENDING_DOTS_BUTTON: '[data-dots=\"ending\"]',\n    };\n\n    /**\n     * Get the page element by number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The page number.\n     * @return {jQuery}\n     */\n    var getPageByNumber = function(root, pageNumber) {\n        return root.find(SELECTORS.PAGE_ITEM + '[data-page-number=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Get the next button element.\n     *\n     * @param {object} root The root element.\n     * @return {jQuery}\n     */\n    var getNextButton = function(root) {\n        return root.find(SELECTORS.NEXT_BUTTON);\n    };\n\n    /**\n     * Set the last page number after which no more pages\n     * should be loaded.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setLastPageNumber = function(root, number) {\n        root.attr('data-last-page-number', number);\n    };\n\n    /**\n     * Get the last page number.\n     *\n     * @param {object} root The root element.\n     * @return {Number}\n     */\n    var getLastPageNumber = function(root) {\n        return parseInt(root.attr('data-last-page-number'), 10);\n    };\n\n    /**\n     * Get the active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {Number} The page number\n     */\n    var getActivePageNumber = function(root) {\n        return parseInt(root.attr('data-active-page-number'), 10);\n    };\n\n    /**\n     * Set the active page number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setActivePageNumber = function(root, number) {\n        root.attr('data-active-page-number', number);\n    };\n\n    /**\n     * Check if there is an active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {bool}\n     */\n    var hasActivePageNumber = function(root) {\n        var number = getActivePageNumber(root);\n        return !isNaN(number) && number != 0;\n    };\n\n    /**\n     * Get the page number for a given page.\n     *\n     * @param {object} root The root element.\n     * @param {object} page The page element.\n     * @returns {Number} The page number\n     */\n    var getPageNumber = function(root, page) {\n        if (page.attr('data-page') != undefined) {\n            // If it's an actual page then we can just use the page number\n            // attribute.\n            return parseInt(page.attr('data-page-number'), 10);\n        }\n\n        var pageNumber = 1;\n        var activePageNumber = null;\n\n        switch (page.attr('data-control')) {\n            case 'first':\n                pageNumber = 1;\n                break;\n\n            case 'last':\n                pageNumber = getLastPageNumber(root);\n                break;\n\n            case 'next':\n                activePageNumber = getActivePageNumber(root);\n                var lastPage = getLastPageNumber(root);\n                if (!lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else if (activePageNumber && activePageNumber < lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else {\n                    pageNumber = lastPage;\n                }\n                break;\n\n            case 'previous':\n                activePageNumber = getActivePageNumber(root);\n                if (activePageNumber && activePageNumber > 1) {\n                    pageNumber = activePageNumber - 1;\n                } else {\n                    pageNumber = 1;\n                }\n                break;\n\n            default:\n                pageNumber = 1;\n                break;\n        }\n\n        // Make sure we return an int not a string.\n        return parseInt(pageNumber, 10);\n    };\n\n    /**\n     * Get the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @returns {Number}\n     */\n    var getLimit = function(root) {\n        return parseInt(root.attr('data-items-per-page'), 10);\n    };\n\n    /**\n     * Set the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @param {Number} limit Items per page limit.\n     */\n    var setLimit = function(root, limit) {\n        root.attr('data-items-per-page', limit);\n    };\n\n    /**\n     * Show the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var show = function(root) {\n        root.removeClass('hidden');\n    };\n\n    /**\n     * Hide the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var hide = function(root) {\n        root.addClass('hidden');\n    };\n\n    /**\n     * Disable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.addClass('disabled');\n        nextButton.attr('aria-disabled', true);\n        lastButton.addClass('disabled');\n        lastButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Enable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.removeClass('disabled');\n        nextButton.removeAttr('aria-disabled');\n        lastButton.removeClass('disabled');\n        lastButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Disable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.addClass('disabled');\n        previousButton.attr('aria-disabled', true);\n        firstButton.addClass('disabled');\n        firstButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Adjusts the size of the paging bar and hides unnecessary pages.\n     *\n     * @param {object} root The root element.\n     */\n    var adjustPagingBarSize = function(root) {\n        var activePageNumber = getActivePageNumber(root);\n        var lastPageNumber = getLastPageNumber(root);\n\n        var dotsButtons = root.find(SELECTORS.DOTS_BUTTONS);\n        var beginningDotsButton = root.find(SELECTORS.BEGINNING_DOTS_BUTTON);\n        var endingDotsButton = root.find(SELECTORS.ENDING_DOTS_BUTTON);\n\n        var pages = root.find(SELECTORS.PAGE);\n        var barSize = parseInt(root.attr('data-bar-size'), 10);\n\n        if (barSize && lastPageNumber > barSize) {\n\n            var minpage = Math.max(activePageNumber - Math.round(barSize / 2), 1);\n            var maxpage = minpage + barSize - 1;\n\n            if (maxpage >= lastPageNumber) {\n                maxpage = lastPageNumber;\n                minpage = maxpage - barSize + 1;\n            }\n\n            if (minpage > 1) {\n                show(beginningDotsButton);\n                minpage++;\n            } else {\n                hide(beginningDotsButton);\n            }\n            if (maxpage < lastPageNumber) {\n                show(endingDotsButton);\n                maxpage--;\n            } else {\n                hide(endingDotsButton);\n            }\n            dotsButtons.addClass('disabled');\n            dotsButtons.attr('aria-disabled', true);\n\n            hide(pages);\n\n            pages.each(function(index, page) {\n                page = $(page);\n                if ((index + 1) >= minpage && (index + 1) <= maxpage) {\n                    show(page);\n                }\n            });\n\n        } else {\n            hide(dotsButtons);\n        }\n    };\n\n    /**\n     * Enable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.removeClass('disabled');\n        previousButton.removeAttr('aria-disabled');\n        firstButton.removeClass('disabled');\n        firstButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on a page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getPageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on an active page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getActivePageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-active-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Set page numbers on each of the given items. Page numbers are set\n     * from 1..n (where n is the number of items).\n     *\n     * Sets the active page number to be the last page found with\n     * an \"active\" class (if any).\n     *\n     * Sets the last page number.\n     *\n     * @param {object} root The root element.\n     * @param {jQuery} items A jQuery list of items.\n     */\n    var generatePageNumbers = function(root, items) {\n        var lastPageNumber = 0;\n        setActivePageNumber(root, 0);\n\n        items.each(function(index, item) {\n            var pageNumber = index + 1;\n            item = $(item);\n            item.attr('data-page-number', pageNumber);\n            lastPageNumber++;\n\n            if (item.hasClass('active')) {\n                setActivePageNumber(root, pageNumber);\n            }\n        });\n\n        setLastPageNumber(root, lastPageNumber);\n    };\n\n    /**\n     * Set the aria-labels on each of the page items in the paging bar.\n     * This includes the next, previous, first, and last items.\n     *\n     * @param {object} root The root element.\n     */\n    var generateAriaLabels = function(root) {\n        var pageAriaLabelComponents = getPageAriaLabelComponents(root);\n        var activePageAriaLabelComponents = getActivePageAriaLabelComponents(root);\n        var activePageNumber = getActivePageNumber(root);\n        var pageItems = root.find(SELECTORS.PAGE_ITEM);\n        // We want to request all of the strings at once rather than\n        // one at a time.\n        var stringRequests = pageItems.map(function(index, page) {\n            page = $(page);\n            var pageNumber = getPageNumber(root, page);\n\n            if (pageNumber === activePageNumber) {\n                return {\n                    key: activePageAriaLabelComponents[0],\n                    component: activePageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            } else {\n                return {\n                    key: pageAriaLabelComponents[0],\n                    component: pageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            }\n        });\n\n        Str.get_strings(stringRequests).then(function(strings) {\n            pageItems.each(function(index, page) {\n                page = $(page);\n                var string = strings[index];\n                page.attr('aria-label', string);\n                page.find(SELECTORS.PAGE_LINK).attr('aria-label', string);\n            });\n\n            return strings;\n        })\n        .catch(function() {\n            // No need to interrupt the page if we can't load the aria lang strings.\n            return;\n        });\n    };\n\n    /**\n     * Make the paging bar item for the given page number visible and fire\n     * the SHOW_PAGES paged content event to tell any listening content to\n     * update.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number for the page to show.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var showPage = function(root, pageNumber, id) {\n        var lastPageNumber = getLastPageNumber(root);\n        var isSamePage = pageNumber == getActivePageNumber(root);\n        var limit = getLimit(root);\n        var offset = (pageNumber - 1) * limit;\n\n        if (!isSamePage) {\n            // We only need to toggle the active class if the user didn't click\n            // on the already active page.\n            root.find(SELECTORS.PAGE_ITEM).removeClass('active').removeAttr('aria-current');\n            var page = getPageByNumber(root, pageNumber);\n            page.addClass('active');\n            page.attr('aria-current', true);\n            setActivePageNumber(root, pageNumber);\n\n            adjustPagingBarSize(root);\n        }\n\n        // Make sure the control buttons are disabled as the user navigates\n        // to either end of the limits.\n        if (lastPageNumber && pageNumber >= lastPageNumber) {\n            disableNextControlButtons(root);\n        } else {\n            enableNextControlButtons(root);\n        }\n\n        if (pageNumber > 1) {\n            enablePreviousControlButtons(root);\n        } else {\n            disablePreviousControlButtons(root);\n        }\n\n        generateAriaLabels(root);\n\n        // This event requires a payload that contains a list of all pages that\n        // were activated. In the case of the paging bar we only show one page at\n        // a time.\n        PubSub.publish(id + PagedContentEvents.SHOW_PAGES, [{\n            pageNumber: pageNumber,\n            limit: limit,\n            offset: offset\n        }]);\n    };\n\n    /**\n     * Add event listeners for interactions with the paging bar as well as listening\n     * for custom paged content events.\n     *\n     * Each event will trigger different logic to update parts of the paging bar's\n     * display.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var registerEventListeners = function(root, id) {\n        var ignoreControlWhileLoading = root.attr('data-ignore-control-while-loading');\n        var loading = false;\n\n        if (ignoreControlWhileLoading == \"\") {\n            // Default to ignoring control while loading if not specified.\n            ignoreControlWhileLoading = true;\n        }\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.PAGE_ITEM, function(e, data) {\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n\n            if (ignoreControlWhileLoading && loading) {\n                // Do nothing if configured to ignore control while loading.\n                return;\n            }\n\n            var page = $(e.target).closest(SELECTORS.PAGE_ITEM);\n\n            if (!page.hasClass('disabled')) {\n                var pageNumber = getPageNumber(root, page);\n                showPage(root, pageNumber, id);\n                loading = true;\n            }\n        });\n\n        // This event is fired when all of the items have been loaded. Typically used\n        // in an \"infinite\" pages context when we don't know the exact number of pages\n        // ahead of time.\n        PubSub.subscribe(id + PagedContentEvents.ALL_ITEMS_LOADED, function(pageNumber) {\n            loading = false;\n            var currentLastPage = getLastPageNumber(root);\n\n            if (!currentLastPage || pageNumber < currentLastPage) {\n                // Somehow the value we've got saved is higher than the new\n                // value we just received. Perhaps events came out of order.\n                // In any case, save the lowest value.\n                setLastPageNumber(root, pageNumber);\n            }\n\n            if (pageNumber === 1 && root.attr('data-hide-control-on-single-page')) {\n                // If all items were loaded on the first page then we can hide\n                // the paging bar because there are no other pages to load.\n                hide(root);\n                disableNextControlButtons(root);\n                disablePreviousControlButtons(root);\n            } else {\n                show(root);\n                disableNextControlButtons(root);\n            }\n        });\n\n        // This event is fired after all of the requested pages have been rendered.\n        PubSub.subscribe(id + PagedContentEvents.PAGES_SHOWN, function() {\n            // All pages have been shown so turn off the loading flag.\n            loading = false;\n        });\n\n        // This is triggered when the paging limit is modified.\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function(limit) {\n            // Update the limit.\n            setLimit(root, limit);\n            setLastPageNumber(root, 0);\n            setActivePageNumber(root, 0);\n            show(root);\n            // Reload the data from page 1 again.\n            showPage(root, 1, id);\n        });\n    };\n\n    /**\n     * Initialise the paging bar.\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n        var pages = root.find(SELECTORS.PAGE);\n        generatePageNumbers(root, pages);\n        registerEventListeners(root, id);\n\n        if (hasActivePageNumber(root)) {\n            var activePageNumber = getActivePageNumber(root);\n            // If the the paging bar was rendered with an active page selected\n            // then make sure we fired off the event to tell the content page to\n            // show.\n            getPageByNumber(root, activePageNumber).click();\n            if (activePageNumber == 1) {\n                // If the first page is active then disable the previous buttons.\n                disablePreviousControlButtons(root);\n            }\n        } else {\n            // There was no active page number so load the first page using\n            // the next button. This allows the infinite pagination to work.\n            getNextButton(root).click();\n        }\n\n        adjustPagingBarSize(root);\n    };\n\n    return {\n        init: init,\n        disableNextControlButtons: disableNextControlButtons,\n        enableNextControlButtons: enableNextControlButtons,\n        disablePreviousControlButtons: disablePreviousControlButtons,\n        enablePreviousControlButtons: enablePreviousControlButtons,\n        showPage: showPage,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_paging_bar.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\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 * Javascript to enhance the paged content paging bar.\n *\n * @module     core/paging_bar\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/custom_interaction_events',\n    'core/paged_content_events',\n    'core/str',\n    'core/pubsub',\n    'core/pending',\n],\nfunction(\n    $,\n    CustomEvents,\n    PagedContentEvents,\n    Str,\n    PubSub,\n    Pending\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-bar\"]',\n        PAGE: '[data-page]',\n        PAGE_ITEM: '[data-region=\"page-item\"]',\n        PAGE_LINK: '[data-region=\"page-link\"]',\n        FIRST_BUTTON: '[data-control=\"first\"]',\n        LAST_BUTTON: '[data-control=\"last\"]',\n        NEXT_BUTTON: '[data-control=\"next\"]',\n        PREVIOUS_BUTTON: '[data-control=\"previous\"]',\n        DOTS_BUTTONS: '[data-dots]',\n        BEGINNING_DOTS_BUTTON: '[data-dots=\"beginning\"]',\n        ENDING_DOTS_BUTTON: '[data-dots=\"ending\"]',\n    };\n\n    /**\n     * Get the page element by number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The page number.\n     * @return {jQuery}\n     */\n    var getPageByNumber = function(root, pageNumber) {\n        return root.find(SELECTORS.PAGE_ITEM + '[data-page-number=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Get the next button element.\n     *\n     * @param {object} root The root element.\n     * @return {jQuery}\n     */\n    var getNextButton = function(root) {\n        return root.find(SELECTORS.NEXT_BUTTON);\n    };\n\n    /**\n     * Set the last page number after which no more pages\n     * should be loaded.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setLastPageNumber = function(root, number) {\n        root.attr('data-last-page-number', number);\n    };\n\n    /**\n     * Get the last page number.\n     *\n     * @param {object} root The root element.\n     * @return {Number}\n     */\n    var getLastPageNumber = function(root) {\n        return parseInt(root.attr('data-last-page-number'), 10);\n    };\n\n    /**\n     * Get the active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {Number} The page number\n     */\n    var getActivePageNumber = function(root) {\n        return parseInt(root.attr('data-active-page-number'), 10);\n    };\n\n    /**\n     * Set the active page number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setActivePageNumber = function(root, number) {\n        root.attr('data-active-page-number', number);\n    };\n\n    /**\n     * Check if there is an active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {bool}\n     */\n    var hasActivePageNumber = function(root) {\n        var number = getActivePageNumber(root);\n        return !isNaN(number) && number != 0;\n    };\n\n    /**\n     * Get the page number for a given page.\n     *\n     * @param {object} root The root element.\n     * @param {object} page The page element.\n     * @returns {Number} The page number\n     */\n    var getPageNumber = function(root, page) {\n        if (page.attr('data-page') != undefined) {\n            // If it's an actual page then we can just use the page number\n            // attribute.\n            return parseInt(page.attr('data-page-number'), 10);\n        }\n\n        var pageNumber = 1;\n        var activePageNumber = null;\n\n        switch (page.attr('data-control')) {\n            case 'first':\n                pageNumber = 1;\n                break;\n\n            case 'last':\n                pageNumber = getLastPageNumber(root);\n                break;\n\n            case 'next':\n                activePageNumber = getActivePageNumber(root);\n                var lastPage = getLastPageNumber(root);\n                if (!lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else if (activePageNumber && activePageNumber < lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else {\n                    pageNumber = lastPage;\n                }\n                break;\n\n            case 'previous':\n                activePageNumber = getActivePageNumber(root);\n                if (activePageNumber && activePageNumber > 1) {\n                    pageNumber = activePageNumber - 1;\n                } else {\n                    pageNumber = 1;\n                }\n                break;\n\n            default:\n                pageNumber = 1;\n                break;\n        }\n\n        // Make sure we return an int not a string.\n        return parseInt(pageNumber, 10);\n    };\n\n    /**\n     * Get the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @returns {Number}\n     */\n    var getLimit = function(root) {\n        return parseInt(root.attr('data-items-per-page'), 10);\n    };\n\n    /**\n     * Set the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @param {Number} limit Items per page limit.\n     */\n    var setLimit = function(root, limit) {\n        root.attr('data-items-per-page', limit);\n    };\n\n    /**\n     * Show the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var show = function(root) {\n        root.removeClass('hidden');\n    };\n\n    /**\n     * Hide the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var hide = function(root) {\n        root.addClass('hidden');\n    };\n\n    /**\n     * Disable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.addClass('disabled');\n        nextButton.attr('aria-disabled', true);\n        lastButton.addClass('disabled');\n        lastButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Enable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.removeClass('disabled');\n        nextButton.removeAttr('aria-disabled');\n        lastButton.removeClass('disabled');\n        lastButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Disable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.addClass('disabled');\n        previousButton.attr('aria-disabled', true);\n        firstButton.addClass('disabled');\n        firstButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Adjusts the size of the paging bar and hides unnecessary pages.\n     *\n     * @param {object} root The root element.\n     */\n    var adjustPagingBarSize = function(root) {\n        var activePageNumber = getActivePageNumber(root);\n        var lastPageNumber = getLastPageNumber(root);\n\n        var dotsButtons = root.find(SELECTORS.DOTS_BUTTONS);\n        var beginningDotsButton = root.find(SELECTORS.BEGINNING_DOTS_BUTTON);\n        var endingDotsButton = root.find(SELECTORS.ENDING_DOTS_BUTTON);\n\n        var pages = root.find(SELECTORS.PAGE);\n        var barSize = parseInt(root.attr('data-bar-size'), 10);\n\n        if (barSize && lastPageNumber > barSize) {\n\n            var minpage = Math.max(activePageNumber - Math.round(barSize / 2), 1);\n            var maxpage = minpage + barSize - 1;\n\n            if (maxpage >= lastPageNumber) {\n                maxpage = lastPageNumber;\n                minpage = maxpage - barSize + 1;\n            }\n\n            if (minpage > 1) {\n                show(beginningDotsButton);\n                minpage++;\n            } else {\n                hide(beginningDotsButton);\n            }\n            if (maxpage < lastPageNumber) {\n                show(endingDotsButton);\n                maxpage--;\n            } else {\n                hide(endingDotsButton);\n            }\n            dotsButtons.addClass('disabled');\n            dotsButtons.attr('aria-disabled', true);\n\n            hide(pages);\n\n            pages.each(function(index, page) {\n                page = $(page);\n                if ((index + 1) >= minpage && (index + 1) <= maxpage) {\n                    show(page);\n                }\n            });\n\n        } else {\n            hide(dotsButtons);\n        }\n    };\n\n    /**\n     * Enable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.removeClass('disabled');\n        previousButton.removeAttr('aria-disabled');\n        firstButton.removeClass('disabled');\n        firstButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on a page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getPageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on an active page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getActivePageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-active-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Set page numbers on each of the given items. Page numbers are set\n     * from 1..n (where n is the number of items).\n     *\n     * Sets the active page number to be the last page found with\n     * an \"active\" class (if any).\n     *\n     * Sets the last page number.\n     *\n     * @param {object} root The root element.\n     * @param {jQuery} items A jQuery list of items.\n     */\n    var generatePageNumbers = function(root, items) {\n        var lastPageNumber = 0;\n        setActivePageNumber(root, 0);\n\n        items.each(function(index, item) {\n            var pageNumber = index + 1;\n            item = $(item);\n            item.attr('data-page-number', pageNumber);\n            lastPageNumber++;\n\n            if (item.hasClass('active')) {\n                setActivePageNumber(root, pageNumber);\n            }\n        });\n\n        setLastPageNumber(root, lastPageNumber);\n    };\n\n    /**\n     * Set the aria-labels on each of the page items in the paging bar.\n     * This includes the next, previous, first, and last items.\n     *\n     * @param {object} root The root element.\n     */\n    var generateAriaLabels = function(root) {\n        var pageAriaLabelComponents = getPageAriaLabelComponents(root);\n        var activePageAriaLabelComponents = getActivePageAriaLabelComponents(root);\n        var activePageNumber = getActivePageNumber(root);\n        var pageItems = root.find(SELECTORS.PAGE_ITEM);\n        // We want to request all of the strings at once rather than\n        // one at a time.\n        var stringRequests = pageItems.map(function(index, page) {\n            page = $(page);\n            var pageNumber = getPageNumber(root, page);\n\n            if (pageNumber === activePageNumber) {\n                return {\n                    key: activePageAriaLabelComponents[0],\n                    component: activePageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            } else {\n                return {\n                    key: pageAriaLabelComponents[0],\n                    component: pageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            }\n        });\n\n        Str.get_strings(stringRequests).then(function(strings) {\n            pageItems.each(function(index, page) {\n                page = $(page);\n                var string = strings[index];\n                page.attr('aria-label', string);\n                page.find(SELECTORS.PAGE_LINK).attr('aria-label', string);\n            });\n\n            return strings;\n        })\n        .catch(function() {\n            // No need to interrupt the page if we can't load the aria lang strings.\n            return;\n        });\n    };\n\n    /**\n     * Make the paging bar item for the given page number visible and fire\n     * the SHOW_PAGES paged content event to tell any listening content to\n     * update.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number for the page to show.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var showPage = function(root, pageNumber, id) {\n        var pendingPromise = new Pending('core/paged_content_paging_bar:showPage');\n        var lastPageNumber = getLastPageNumber(root);\n        var isSamePage = pageNumber == getActivePageNumber(root);\n        var limit = getLimit(root);\n        var offset = (pageNumber - 1) * limit;\n\n        if (!isSamePage) {\n            // We only need to toggle the active class if the user didn't click\n            // on the already active page.\n            root.find(SELECTORS.PAGE_ITEM).removeClass('active').removeAttr('aria-current');\n            var page = getPageByNumber(root, pageNumber);\n            page.addClass('active');\n            page.attr('aria-current', true);\n            setActivePageNumber(root, pageNumber);\n\n            adjustPagingBarSize(root);\n        }\n\n        // Make sure the control buttons are disabled as the user navigates\n        // to either end of the limits.\n        if (lastPageNumber && pageNumber >= lastPageNumber) {\n            disableNextControlButtons(root);\n        } else {\n            enableNextControlButtons(root);\n        }\n\n        if (pageNumber > 1) {\n            enablePreviousControlButtons(root);\n        } else {\n            disablePreviousControlButtons(root);\n        }\n\n        generateAriaLabels(root);\n\n        // This event requires a payload that contains a list of all pages that\n        // were activated. In the case of the paging bar we only show one page at\n        // a time.\n        PubSub.publish(id + PagedContentEvents.SHOW_PAGES, [{\n            pageNumber: pageNumber,\n            limit: limit,\n            offset: offset\n        }]);\n\n        pendingPromise.resolve();\n    };\n\n    /**\n     * Add event listeners for interactions with the paging bar as well as listening\n     * for custom paged content events.\n     *\n     * Each event will trigger different logic to update parts of the paging bar's\n     * display.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var registerEventListeners = function(root, id) {\n        var ignoreControlWhileLoading = root.attr('data-ignore-control-while-loading');\n        var loading = false;\n\n        if (ignoreControlWhileLoading == \"\") {\n            // Default to ignoring control while loading if not specified.\n            ignoreControlWhileLoading = true;\n        }\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.PAGE_ITEM, function(e, data) {\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n\n            if (ignoreControlWhileLoading && loading) {\n                // Do nothing if configured to ignore control while loading.\n                return;\n            }\n\n            var page = $(e.target).closest(SELECTORS.PAGE_ITEM);\n\n            if (!page.hasClass('disabled')) {\n                var pageNumber = getPageNumber(root, page);\n                showPage(root, pageNumber, id);\n                loading = true;\n            }\n        });\n\n        // This event is fired when all of the items have been loaded. Typically used\n        // in an \"infinite\" pages context when we don't know the exact number of pages\n        // ahead of time.\n        PubSub.subscribe(id + PagedContentEvents.ALL_ITEMS_LOADED, function(pageNumber) {\n            loading = false;\n            var currentLastPage = getLastPageNumber(root);\n\n            if (!currentLastPage || pageNumber < currentLastPage) {\n                // Somehow the value we've got saved is higher than the new\n                // value we just received. Perhaps events came out of order.\n                // In any case, save the lowest value.\n                setLastPageNumber(root, pageNumber);\n            }\n\n            if (pageNumber === 1 && root.attr('data-hide-control-on-single-page')) {\n                // If all items were loaded on the first page then we can hide\n                // the paging bar because there are no other pages to load.\n                hide(root);\n                disableNextControlButtons(root);\n                disablePreviousControlButtons(root);\n            } else {\n                show(root);\n                disableNextControlButtons(root);\n            }\n        });\n\n        // This event is fired after all of the requested pages have been rendered.\n        PubSub.subscribe(id + PagedContentEvents.PAGES_SHOWN, function() {\n            // All pages have been shown so turn off the loading flag.\n            loading = false;\n        });\n\n        // This is triggered when the paging limit is modified.\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function(limit) {\n            // Update the limit.\n            setLimit(root, limit);\n            setLastPageNumber(root, 0);\n            setActivePageNumber(root, 0);\n            show(root);\n            // Reload the data from page 1 again.\n            showPage(root, 1, id);\n        });\n    };\n\n    /**\n     * Initialise the paging bar.\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n        var pages = root.find(SELECTORS.PAGE);\n        generatePageNumbers(root, pages);\n        registerEventListeners(root, id);\n\n        if (hasActivePageNumber(root)) {\n            var activePageNumber = getActivePageNumber(root);\n            // If the the paging bar was rendered with an active page selected\n            // then make sure we fired off the event to tell the content page to\n            // show.\n            getPageByNumber(root, activePageNumber).click();\n            if (activePageNumber == 1) {\n                // If the first page is active then disable the previous buttons.\n                disablePreviousControlButtons(root);\n            }\n        } else {\n            // There was no active page number so load the first page using\n            // the next button. This allows the infinite pagination to work.\n            getNextButton(root).click();\n        }\n\n        adjustPagingBarSize(root);\n    };\n\n    return {\n        init: init,\n        disableNextControlButtons: disableNextControlButtons,\n        enableNextControlButtons: enableNextControlButtons,\n        disablePreviousControlButtons: disablePreviousControlButtons,\n        enablePreviousControlButtons: enablePreviousControlButtons,\n        showPage: showPage,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_paging_bar.min.js"}
\ No newline at end of file
diff --git a/lib/amd/src/paged_content_pages.js b/lib/amd/src/paged_content_pages.js
index f7445c7cefd..57e49494c66 100644
--- a/lib/amd/src/paged_content_pages.js
+++ b/lib/amd/src/paged_content_pages.js
@@ -26,14 +26,16 @@ define(
         'core/templates',
         'core/notification',
         'core/pubsub',
-        'core/paged_content_events'
+        'core/paged_content_events',
+        'core/pending',
     ],
     function(
         $,
         Templates,
         Notification,
         PubSub,
-        PagedContentEvents
+        PagedContentEvents,
+        Pending
     ) {
 
     var SELECTORS = {
@@ -74,6 +76,8 @@ define(
         var deferred = $.Deferred();
         root.attr('aria-busy', true);
 
+        var pendingPromise = new Pending('core/paged_content_pages:startLoading');
+
         Templates.render(TEMPLATES.LOADING, {visible: true})
             .then(function(html) {
                 var loadingSpinner = $(html);
@@ -93,6 +97,8 @@ define(
                     loadingSpinner.remove();
                     root.css('position', '');
                     root.removeAttr('aria-busy');
+
+                    pendingPromise.resolve();
                     return;
                 });
 
@@ -182,6 +188,7 @@ define(
      * @param {function} renderPagesContentCallback Render pages content.
      */
     var showPages = function(root, pagesData, id, renderPagesContentCallback) {
+        var pendingPromise = new Pending('core/paged_content_pages:showPages');
         var existingPages = [];
         var newPageData = [];
         var newPagesPromise = $.Deferred();
@@ -256,7 +263,9 @@ define(
         .fail(Notification.exception)
         .always(function() {
             loadingPromise.resolve();
-        });
+            pendingPromise.resolve();
+        })
+        .catch();
     };
 
     /**
diff --git a/lib/amd/src/paged_content_paging_bar.js b/lib/amd/src/paged_content_paging_bar.js
index fed32da8f3d..46c8fd7c6df 100644
--- a/lib/amd/src/paged_content_paging_bar.js
+++ b/lib/amd/src/paged_content_paging_bar.js
@@ -25,14 +25,16 @@ define([
     'core/custom_interaction_events',
     'core/paged_content_events',
     'core/str',
-    'core/pubsub'
+    'core/pubsub',
+    'core/pending',
 ],
 function(
     $,
     CustomEvents,
     PagedContentEvents,
     Str,
-    PubSub
+    PubSub,
+    Pending
 ) {
 
     var SELECTORS = {
@@ -451,6 +453,7 @@ function(
      * @param {string} id A uniqie id for this instance.
      */
     var showPage = function(root, pageNumber, id) {
+        var pendingPromise = new Pending('core/paged_content_paging_bar:showPage');
         var lastPageNumber = getLastPageNumber(root);
         var isSamePage = pageNumber == getActivePageNumber(root);
         var limit = getLimit(root);
@@ -492,6 +495,8 @@ function(
             limit: limit,
             offset: offset
         }]);
+
+        pendingPromise.resolve();
     };
 
     /**