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xenith.js
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xenith.js
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/**
* Licensed to The Apereo Foundation under one or more contributor license
* agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
* The Apereo Foundation licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// all elements, variables and functions for interface are called "x_id" - do not make new id's prefixed with "x_" in page models
var XENITH = {};
var x_languageData = [],
x_params = new Object(), // all attributes of learningObject that aren't undefined
x_pages, // xml info about all pages in this LO
x_pageInfo = [], // holds info about pages (type, built, linkID, pageID, standalone, savedData) - use savedData if any input from page needs to be saved for use on other pages or on return to this page
x_normalPages = [], // indexes of pages in x_pages that are normal pages (i.e. not standalone)
x_urlParams = {},
x_startPage = {type : "index", ID : "0"},
x_currentPage = -1,
x_currentPageXML,
x_specialChars = [],
x_inputFocus = false,
x_dialogInfo = [], // (type, built)
x_browserInfo = {iOS:false, Android:false, touchScreen:false, mobile:false, orientation:"portrait"}, // holds info about browser/device
x_pageHistory = [], // keeps track of pages visited for historic navigation
x_firstLoad = true,
x_fillWindow = false,
x_volume = 1,
x_audioBarH = 30,
x_mediaText = [],
x_deepLink = "",
x_timer, // use as reference to any timers in page models - they are cancelled on page change
x_responsive = [], // list of any responsivetext.css files in use
x_cssFiles = [],
x_specialTheme = '',
x_pageLoadPause = false;
// Determine whether offline mode or not
var xot_offline = !(typeof modelfilestrs === 'undefined');
var modelfilestrs = modelfilestrs || [];
var $x_window, $x_body, $x_head, $x_mainHolder, $x_mobileScroll, $x_headerBlock, $x_pageHolder, $x_helperText, $x_pageDiv, $x_footerBlock, $x_footerL, $x_menuBtn, $x_colourChangerBtn, $x_saveSessionBtn, $x_prevBtn, $x_pageNo, $x_nextBtn, $x_background;
$(document).keydown(function(e) {
// if lightbox open then don't allow page up/down buttons to change the page open in the background
// Place lightbox check in a try block, because an exception will be triggereed if LO is embedded in an iframe
let shownInFeatherlight = false;
try
{
shownInFeatherlight = parent.window.$.featherlight.current();
}
catch (e)
{
// Ignore
}
if (!shownInFeatherlight) {
switch(e.which) {
case 33: // PgUp
var pageIndex = $.inArray(x_currentPage, x_normalPages);
if (pageIndex > -1 && $x_prevBtn.is(":enabled") && $x_nextBtn.is(":visible")) {
if (x_params.navigation != "Historic" && x_params.navigation != "LinearWithHistoric") {
// linear back
if (pageIndex > 0) {
x_changePage(x_normalPages[pageIndex -1]);
}
} else {
var prevPage = x_pageHistory[x_pageHistory.length-2];
x_pageHistory.splice(x_pageHistory.length - 2, 2);
// check if history is empty and if so allow normal back navigation and change to normal back button
if (prevPage == undefined && x_currentPage > 0) {
x_changePage(x_normalPages[pageIndex -1]);
} else {
x_changePage(prevPage);
}
}
} else if (pageIndex == -1) {
// historic back (standalone page)
if (history.length > 1 && ((x_params.forcePage1 != undefined && x_params.forcePage1 != 'true') || parent.window.$.featherlight.current())) {
history.go(-1);
} else {
x_changePage(x_normalPages[0]);
}
}
break;
case 34: // PgDn
// if it's a standalone page then nothing will happen
var pageIndex = $.inArray(x_currentPage, x_normalPages);
if (pageIndex != -1 && $x_nextBtn.is(":enabled") && $x_nextBtn.is(":visible")) {
x_changePage(x_normalPages[pageIndex + 1]);
}
break;
default: return; // exit this handler for other keys
}
} else {
return;
}
});
$(document).ready(function() {
// Load the loadjs dependency loader
if (!xot_offline) {
// TODO - we should move this to play/preview and let it kickstart the loading of all files
$.getScript(x_templateLocation + "common_html5/js/loadjs.min.js");
}
$x_mainHolder = $("#x_mainHolder");
if (navigator.userAgent.match(/iPhone/i) != null || navigator.userAgent.match(/iPod/i) != null || navigator.userAgent.match(/iPad/i) != null) {
x_browserInfo.iOS = true;
if (navigator.userAgent.match(/iPad/i) != null) {
x_browserInfo.Device = "iPad";
}
else
{
x_browserInfo.Device = "iPhone";
}
}
if (navigator.userAgent.match(/Android/i) != null)
{
x_browserInfo.Android = true;
}
// detect touchscreen function (https://patrickhlauke.github.io/touch/touchscreen-detection/)
function detectTouchscreen() {
var result = false;
if (window.PointerEvent && ('maxTouchPoints' in navigator)) {
// if Pointer Events are supported, just check maxTouchPoints
if (navigator.maxTouchPoints > 0) {
result = true;
}
} else {
// no Pointer Events...
if (window.matchMedia && window.matchMedia("(any-pointer:coarse)").matches) {
// check for any-pointer:coarse which mostly means touchscreen
result = true;
} else if (window.TouchEvent || ('ontouchstart' in window)) {
// last resort - check for exposed touch events API / event handler
result = true;
}
}
return result;
}
x_browserInfo.touchScreen = detectTouchscreen();
if (x_browserInfo.touchScreen == true) {
$x_mainHolder.addClass("x_touchScreen");
}
x_browserInfo.mobile = x_isMobileBrowser();
// get xml data and sort it
if (typeof dataxmlstr != 'undefined')
{
var newString = x_makeAbsolute(x_fixLineBreaks(dataxmlstr)),
xmlData = $($.parseXML(newString)).find("learningObject");
x_projectDataLoaded(xmlData);
}
else {
var now = new Date().getTime();
let url = "website_code/php/templates/get_template_xml.php?file=" + x_projectXML + "&time=" + now;
if (typeof use_url !== "undefined" && use_url)
{
url = x_projectXML + "?time=" + now;
}
$.ajax({
type: "GET",
url: url,
dataType: "text",
success: function (text) {
var newString = x_makeAbsolute(x_fixLineBreaks(text)),
xmlData = $($.parseXML(newString)).find("learningObject");
x_projectDataLoaded(xmlData);
},
error: function () {
// can't have translation for this as if it fails to load we don't know what language file to use
$("body").append("<p>The project data has not loaded.</p>");
}
});
}
});
x_pagesViewed = function()
{
var viewed = [];
x_pageInfo.forEach(function(item, index){
if (item.viewed) {
viewed.push(index);
}
});
return viewed;
}
x_restorePagesViewed = function(viewed)
{
viewed.forEach(function(item){
x_pageInfo[item].viewed = true;
});
}
// To be able to check on orientation, and also detect the difference between a mobile and tablet
// See https://stackoverflow.com/questions/11381673/detecting-a-mobile-browser
x_isMobileBrowser = function() {
var check = false;
(function(a){if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4))) check = true;})(navigator.userAgent||navigator.vendor||window.opera);
return check;
};
x_projectDataLoaded = function(xmlData) {
var i, len;
var markedPages = new Array();
for (i = 0, len = xmlData[0].attributes.length; i < len; i++) {
x_params[xmlData[0].attributes[i].name] = xmlData[0].attributes[i].value;
}
// author support should only work when previewed (not play link)
if (x_params.authorSupport == "true") {
if (window.location.pathname.substring(window.location.pathname.lastIndexOf("/") + 1, window.location.pathname.length).indexOf("preview") == -1) {
x_params.authorSupport = "false";
}
}
x_pages = xmlData.children();
var pageToHide = [],
currActPage = 0;
x_pages.each(function (i) {
// work out whether the page is hidden or not - can be simply hidden or hidden between specific dates/times
var hidePage = $(this)[0].getAttribute("hidePage") == "true" ? true : false;
if (hidePage == true) {
// get current date/time according to browser
var nowTemp = new Date();
var now = {day:nowTemp.getDate(), month:nowTemp.getMonth()+1, year:nowTemp.getFullYear(), time:Number(String(nowTemp.getHours()) + (String(nowTemp.getMinutes()) < 10 ? '0' : '') + String(nowTemp.getMinutes()))};
// functions to get hide on/until date/times from xml
var hideOn, hideUntil,
hideOnString = '', hideUntilString = '';
var getDateInfo = function(dmy, hm) {
// some basic checks of whether values are valid & then splits the data into time/day/month/year
var tempDmy = dmy.split('/'), // original date format
formatType = 0,
format = [[0,1,2], [2,1,0]]; // d, m, y
if (tempDmy.length == 3) {
dmy = tempDmy;
} else if (tempDmy.length == 1) {
tempDmy = dmy.split('-'); // try the newer date format
if (tempDmy.length == 3) {
tempDmy.splice(2, 1, tempDmy[2].split('T')[0]);
dmy = tempDmy;
formatType = 1;
} else {
dmy = false;
}
} else {
dmy = false;
}
if (dmy == false) {
return [false];
} else {
var day = Math.max(1, Math.min(Number(dmy[format[formatType][0]]), 31)),
month = Math.max(1, Math.min(Number(dmy[format[formatType][1]]), 12)),
year = Math.max(Number(dmy[format[formatType][2]]), 2017),
time = 0; // use midnight if no time is given
if (hm != undefined && hm.trim() != '') {
var hm = hm.split(':');
if (hm.length == 2) {
var hour = Math.min(Number(hm[0]), 23),
minute = Math.min(Number(hm[1]), 59);
time = Number(String(hour) + (minute < 10 ? '0' : '') + String(minute));
}
}
return [{day:day, month:month, year:year, time:time}, (formatType == 0 ? day + '/' + month + '/' + year : year + '-' + month + '-' + day)];
}
}
var getFullDate = function(info) {
var timeZero = '';
for (var i=0; i<4-String(info.time).length; i++) {
timeZero += '0';
}
return Number(String(info.year) + (info.month < 10 ? '0' : '') + String(info.month) + (info.day < 10 ? '0' : '') + String(info.day) + timeZero + String(info.time));
}
var skipHideDateCheck = false,
hideOnInfo,
hideUntilInfo;
if ($(this)[0].getAttribute("hideOnDate") != undefined && $(this)[0].getAttribute("hideOnDate") != '') {
hideOnInfo = getDateInfo($(this)[0].getAttribute("hideOnDate"), $(this)[0].getAttribute("hideOnTime"));
hideOn = hideOnInfo[0];
}
if ($(this)[0].getAttribute("hideUntilDate") != undefined && $(this)[0].getAttribute("hideUntilDate") != '') {
hideUntilInfo = getDateInfo($(this)[0].getAttribute("hideUntilDate"), $(this)[0].getAttribute("hideUntilTime"));
hideUntil = hideUntilInfo[0];
}
// if hide from & to date/times are identical then hide (to prevent issue with a previous release where these were never blank but pages should have been hidden)
if ($(this)[0].getAttribute("hideOnDate") != undefined && $(this)[0].getAttribute("hideOnDate") != '' && $(this)[0].getAttribute("hideUntilDate") != undefined && $(this)[0].getAttribute("hideUntilDate") != '') {
if (hideOn.day == hideUntil.day && hideOn.month == hideUntil.month && hideOn.year == hideUntil.year) {
if ($(this)[0].getAttribute("hideOnTime") == $(this)[0].getAttribute("hideUntilTime") || $(this)[0].getAttribute("hideOnTime") == '' || $(this)[0].getAttribute("hideUntilTime") == '') {
skipHideDateCheck = true;
}
}
}
if (skipHideDateCheck != true) {
// is it hidden from a certain date? if so, have we passed that date/time?
if ($(this)[0].getAttribute("hideOnDate") != undefined && $(this)[0].getAttribute("hideOnDate") != '') {
if (hideOn != false) {
if (hideOn.year > now.year || (hideOn.year == now.year && hideOn.month > now.month) || (hideOn.year == now.year && hideOn.month == now.month && hideOn.day > now.day) || (hideOn.year == now.year && hideOn.month == now.month && hideOn.day == now.day && hideOn.time > now.time)) {
hidePage = false;
}
hideOnString = '{from}: ' + hideOnInfo[1] + ' ' + $(this)[0].getAttribute("hideOnTime");
}
}
// is it hidden until a certain date? if so, have we passed that date/time?
if ($(this)[0].getAttribute("hideUntilDate") != undefined && $(this)[0].getAttribute("hideUntilDate") != '') {
if (hideUntil != false) {
// if hideUntil date is before hideOn date then the page is hidden/shown/hidden rather than shown/hidden/shown & it might need to be treated differently:
var skip = false;
if (hideOn != undefined && getFullDate(hideOn) > getFullDate(hideUntil)) {
if (hidePage == false) {
hidePage = true;
} else {
skip = true;
}
}
if (skip != true && hidePage == true) {
if (hideUntil.year < now.year || (hideUntil.year == now.year && hideUntil.month < now.month) || (hideUntil.year == now.year && hideUntil.month == now.month && hideUntil.day < now.day) || (hideUntil.year == now.year && hideUntil.month == now.month && hideUntil.day == now.day && hideUntil.time <= now.time)) {
hidePage = false;
}
}
hideUntilString = '{until}: ' + hideUntilInfo[1] + ' ' + $(this)[0].getAttribute("hideUntilTime");
}
}
}
// language data hasn't been sorted yet so temporarily just store the attribute name of where we can later get the language we need
var infoString = '';
if (hideOnString != '') {
infoString += '(' + hideOnString;
}
if (hideUntilString != '') {
if (infoString == '') { infoString += '('; } else { infoString += ' & '; }
infoString += hideUntilString;
}
if (infoString != '') { infoString += ')'; }
if (hidePage == true) {
infoString = '{hidden} ' + infoString;
} else {
infoString = '{shown} ' + infoString;
}
$(this)[0].setAttribute("hidePageInfo", infoString);
}
if (hidePage == false || x_params.authorSupport == "true") {
var linkID = $(this)[0].getAttribute("linkID"),
pageID = $.trim($(this)[0].getAttribute("pageID")),
page = {type: $(this)[0].nodeName, built: false, viewed: false};
if (linkID != undefined) {
page.linkID = linkID;
}
// pageID optional property was deprecated previously but has been brought back
// it's now blank when added to editor but need to ignore default text that used to be in field prior to it being deprecated
if (pageID != undefined && pageID != "" && pageID != "Unique ID for this page") {
// if pages have custom ID then make sure they don't include spaces
page.pageID = pageID.split(" ").join("_");
}
// Get child linkIDs for deeplinking
page.childIDs = [];
var tempArrays = [];
var allChildIDs = function($this, array) {
$this.children().each(function () {
var $child = $(this)
if ($child.children().length > 0) {
array.push($child[0].getAttribute("linkID"));
tempArrays.push([]);
var tempArray = tempArrays[tempArrays.length-1];
allChildIDs($child, tempArray);
array.push(tempArray);
} else {
array.push($child[0].getAttribute("linkID"));
}
});
}
allChildIDs($(this), page.childIDs);
// is this a standalone page?
if ($(this)[0].getAttribute("linkPage") == 'true') {
page.standalone = true;
}
x_pageInfo.push(page);
if (($(this)[0].getAttribute("unmarkForCompletion") === "false" || $(this)[0].getAttribute("unmarkForCompletion") == undefined) && this.nodeName !== "results" )
{
markedPages.push(currActPage);
currActPage++;
}
else {
currActPage++;
}
}
else {
pageToHide.push(i);
}
});
// removes hidden pages from x_pages array
var numPages = x_pages.length,
offset = 0;
for (var i=0; i<numPages; i++) {
if (pageToHide.indexOf(i) != -1) {
x_pages.splice(i-offset, 1);
offset++;
}
}
// make array containing indexes of normal pages (not standalone)
for (var i=0; i<x_pageInfo.length; i++) {
if (x_pageInfo[i].standalone != true) {
x_normalPages.push(i);
}
}
if (x_normalPages.length < 2) {
// don't show navigation options if there's only one page
$("#x_footerBlock .x_floatRight").remove();
} else {
if (x_params.navigation == undefined) {
x_params.navigation = "Linear";
}
if (x_params.navigation != "Linear" && x_params.navigation != "LinearWithHistoric" && x_params.navigation != "Historic" && x_params.navigation != undefined) { // 1st page is menu
x_pages.splice(0, 0, "menu");
x_pageInfo.splice(0, 0, {type: 'menu', built: false, viewed:false});
// adjust normal page indexes to take into account menu page
for (var i=0; i<x_normalPages.length; i++) {
x_normalPages.splice(i, 1, x_normalPages[i]+1);
}
x_normalPages.splice(0, 0, 0);
}
}
if (x_params.fixDisplay != undefined) {
if ($.isNumeric(x_params.fixDisplay.split(",")[0]) == true && $.isNumeric(x_params.fixDisplay.split(",")[1]) == true) {
x_params.displayMode = x_params.fixDisplay.split(",");
x_fillWindow = false; // overrides fill window for touchscreen devices
}
}
// sort any parameters in url - these will override those in xml
var tempUrlParams = window.location.href.slice(window.location.href.indexOf('?') + 1).split(/[#&]/),
hash;
for (var i=0; i<tempUrlParams.length; i++) {
var split = tempUrlParams[i].split("=");
if (split.length == 2) {
x_urlParams[split[0]] = split[1];
} else {
hash = tempUrlParams[i];
}
}
// there are several URL params that can determine the 1st page viewed - check if they are valid pages before setting start page
var customStartPage = false;
if (x_urlParams.linkID) { // ID auto-generated in xwd e.g. URL/play_123&linkID=PG1593081880325
var temp = getDeepLink(x_urlParams.linkID);
if (temp.length > 1) {
x_deepLink = temp[1];
}
var validPage = x_lookupPage("linkID", temp[0]);
if (validPage !== false) {
x_startPage = { type : "index", ID : validPage };
customStartPage = true;
}
delete x_urlParams.linkID;
}
if (x_urlParams.pageID) { // ID created by author OR auto-generated in xwd e.g. URL/play_123&pageID=customID OR URL/play_123&pageID=PG1593081880325
var temp = getDeepLink(x_urlParams.pageID);
if (temp.length > 1) {
x_deepLink = temp[1];
}
var validPage = x_lookupPage("pageID", temp[0]);
if (validPage !== false) {
x_startPage = { type : "index", ID : validPage };
customStartPage = true;
}
delete x_urlParams.pageID;
}
if (x_urlParams.page) { // ID created by author OR numeric page number e.g. URL/play_123&page=customID OR URL/play_123&page=5
var temp = getDeepLink(x_urlParams.page);
if (temp.length > 1) {
x_deepLink = temp[1];
}
var validPage = x_lookupPage("pageID", temp[0]);
if (validPage !== false) {
x_startPage = {type : "index", ID : validPage};
customStartPage = true;
} else {
if ($.isNumeric(temp[0]) && temp[0] <= x_normalPages.length) {
var tempIndex = x_normalPages[Number(temp[0])-1];
x_startPage = { type : "index", ID : tempIndex };
customStartPage = true;
}
}
delete x_urlParams.page;
}
if (x_urlParams.resume) { // Numeric page number e.g. URL/play_123#resume=5 - deprecated but needs to work for existing links
var temp = getDeepLink(x_urlParams.resume);
if (temp.length > 1) {
x_deepLink = temp[1];
}
if ($.isNumeric(temp[0]) && temp[0] <= x_normalPages.length) {
var tempIndex = x_normalPages[Number(temp[0])-1];
x_startPage = { type : "index", ID : tempIndex };
customStartPage = true;
}
delete x_urlParams.resume;
}
if (hash != undefined) { // ID created by author OR numeric page number e.g. URL/play_123#customID OR URL/play_123#page5 OR URL/play_123#5
var temp = getDeepLink(hash);
if (temp.length > 1) {
x_deepLink = temp[1];
}
var info = getHashInfo(temp[0]);
if (info !== false) {
x_startPage = {type : "index", ID : info};
customStartPage = true;
}
}
// any params in URL which can change the start page can be disabled from working by adding optional property
// also, if 1st page is project is standalone page then it should default to 1st non-standalone page instead
if (x_pageInfo[x_startPage.ID] != undefined) {
if ((x_pageInfo[x_startPage.ID].standalone == true && customStartPage == false) ||
(x_params.forcePage1 == 'true' && customStartPage == true && (x_pageInfo[x_startPage.ID].standalone == undefined || x_pageInfo[x_startPage.ID].standalone == false))) {
var tempIndex;
for (var i=0; i<x_pageInfo.length; i++) {
if (x_pageInfo[i].standalone != true) {
tempIndex = i;
break;
}
}
if (tempIndex) {
x_startPage = {type : "index", ID : String(tempIndex)};
} else {
x_startPage = {type : "index", ID : "0"};
}
}
}
// tidy up the URL to remove all of the params about start page - hash at end of URL will change according to currently viewed page
var shortParams = "";
Object.keys(x_urlParams).forEach(function(key, index) {
shortParams += index==0 ? '?' : '&';
shortParams += key + '=' + x_urlParams[key];
});
// change URL params without reloading the page
window.history.pushState('window.location.href', "", shortParams);
// url embed parameter uses ideal setup for embedding in iframes - can be overridden with other parameters below
if (x_urlParams.embed == 'true') {
x_params.embed = true;
x_params.displayMode = 'full screen';
x_params.responsive = 'false';
// css button also won't appear
}
// url display parameter will set size of LO (display=fixed|full|fill - or a specified size e.g. display=200,200)
if (x_urlParams.display != undefined) {
if ($.isNumeric(x_urlParams.display.split(",")[0]) == true && $.isNumeric(x_urlParams.display.split(",")[1]) == true) {
x_params.displayMode = x_urlParams.display.split(",");
x_fillWindow = false; // overrides fill window for touchscreen devices
} else if (x_urlParams.display == "fixed" || x_urlParams.display == "default" || x_urlParams.display == "full" || x_urlParams.display == "fill") {
if (x_browserInfo.mobile == true) {
x_fillWindow = true;
}
if (x_urlParams.display == "fixed" || x_urlParams.display == "default") { // default fixed size using values in css (800,600)
x_params.displayMode = "default";
} else if (x_urlParams.display == "full" || x_urlParams.display == "fill") {
x_params.displayMode = "full screen"
}
}
}
if (window.location.href.indexOf("/peer.php") != -1 || window.location.href.indexOf("/peerreview_") != -1) {
x_params.displayMode = "default";
x_fillWindow = false;
}
// this is being shown in iframe so force to fill available space
if (self !== top) {
x_fillWindow = true;
}
// url hide parameter will remove x_headerBlock &/or x_footerBlock divs
if (x_urlParams.hide != undefined) {
if (x_urlParams.hide == "none") {
x_params.hideHeader = "false";
x_params.hideFooter = "false";
} else if (x_urlParams.hide == "both") {
x_params.hideHeader = "true";
x_params.hideFooter = "true";
} else if (x_urlParams.hide == "bottom") {
x_params.hideHeader = "false";
x_params.hideFooter = "true";
} else if (x_urlParams.hide == "top") {
x_params.hideHeader = "true";
x_params.hideFooter = "false";
}
}
// url parameter to turn responsive on / off
if (x_urlParams.responsive != undefined && (x_urlParams.responsive == "true" || x_urlParams.responsive == "false")) {
x_params.responsive = x_urlParams.responsive;
}
if (x_urlParams.theme != undefined && (x_params.themeurl == undefined || x_params.themeurl != 'true'))
{
x_params.theme = x_urlParams.theme;
}
x_getLangData(x_params.language); // x_setUp() function called in here after language file loaded
// Setup nr of pages for tracking
XTSetOption('nrpages', x_pageInfo.length);
XTSetOption('toComplete', markedPages);
XTSetOption('templateId', x_TemplateId);
XTSetOption('templateName', x_params.name);
if (x_params.trackingMode != undefined) {
XTSetOption('tracking-mode', x_params.trackingMode);
}
if (x_params.trackingPassed != undefined)
{
// Get value, and try to convert to decimal between 0 and 1
var passed = x_params.trackingPassed;
var factor = 1;
var percpos = passed.indexOf('%')
if (percpos > 0)
{
factor = 0.01;
passed = passed.substr(0, passed.indexOf('%'));
}
// Change decimal ',' to '.'
passed = passed.replace(',', '.');
var passednumber = Number(passed) * factor;
XTSetOption('objective_passed', passednumber);
}
if (x_params.trackingPageTimeout != undefined)
{
XTSetOption('page_timeout', x_params.trackingPageTimeout);
}
if (x_params.forceTrackingMode != undefined)
{
XTSetOption('force_tracking_mode', x_params.forceTrackingMode);
}
if (typeof x_embed == "undefined")
{
x_embed = false;
x_embed_activated = false;
}
if (x_embed && !x_embed_activated)
{
// Activate overlay
$("#x_embed_overlay")
.switchClass("embed-overlay-inactive", "embed-overlay")
.click(function(){
window.location = x_embed_activation_url;
})
.append("<span><i class='far fa-play-circle fa-2x'></i></span>");
}
}
// browser back / fwd button will trigger this - manually make page change to match #pageX
window.onhashchange = function() {
if (x_params.forcePage1 == undefined || x_params.forcePage1 != 'true') {
var temp = getDeepLink(window.location.hash);
if (temp.length > 1) {
x_deepLink = temp[1];
}
var pageInfo = getHashInfo(temp[0]);
if (pageInfo !== false) {
x_navigateToPage(false, { type: "index", "ID": pageInfo }, false );
}
}
// force lightbox to close
if (parent.window.$.featherlight.current()) {
parent.window.$.featherlight.current().close();
}
}
// Get the page info from the URL (called on project load & when page changed via browser fwd/back btns)
function getHashInfo(urlHash) {
if (urlHash.length > 0) {
var pageLink = urlHash[0] == '#' ? urlHash.substring(1) : urlHash,
thisPage;
if (pageLink.substring(0,4) == "page") { // numeric page number e.g. URL/play_123#page5
var tempNum = Number(pageLink.substring(4));
if (tempNum < 1 || tempNum > x_normalPages.length) {
thisPage = false;
} else {
thisPage = x_normalPages[tempNum-1];
}
} else { // ID created by author OR numeric page number e.g. URL/play_123#customID OR URL/play_123#page5 OR URL/play_123#5
var validPage = x_lookupPage("pageID", pageLink);
if (validPage !== false) {
thisPage = validPage;
} else if ($.isNumeric(pageLink)) {
var tempNum = Number(pageLink);
if (tempNum < 1 || tempNum > x_normalPages.length) {
thisPage = false;
} else {
thisPage = x_normalPages[tempNum-1];
}
} else {
thisPage = false;
}
}
return thisPage;
} else {
return false;
}
}
// Make absolute urls from urls with FileLocation + ' in their strings
x_makeAbsolute = function(html){
//var tempDecoded = decodeURIComponent(html);
// var tempDecoded = $('<textarea/>').html(tempURIDecoded).text();
var temp = html.replace(/FileLocation \+ \'([^\']*)\'/g, FileLocation + '$1');
return temp;
}
// replace all line breaks in attributes with ascii code - otherwise these are replaced with spaces when parsed to xml
function x_fixLineBreaks(text) {
var split_up = text.split(/<\!\[CDATA\[|\]\]>/),
temp, i, j, len, len2;
for (i=0, len=split_up.length; i<len; i+=2) {
temp = split_up[i].split('"');
for (j=1, len2=temp.length; j<len2; j+=2) {
temp[j] = temp[j].replace(/(\n|\r|\r\n)/g, " ");
}
split_up[i] = temp.join('"');
}
// Put the CDATA blocks back...
temp = [];
for (i=0, len=split_up.length-1; i<len; i+=2) {
temp.push(split_up[i] + "<![CDATA[" + split_up[i+1]);
}
temp.push(split_up[i]);
return temp.join("]]>");
}
// function gets data from language file
function x_getLangData(lang) {
if (typeof langxmlstr != 'undefined')
{
// We have a off-line object with the language definition in a string
// Convert to an XML object and continue like before
langxmlstr = langxmlstr.substr(langxmlstr.indexOf("<"), langxmlstr.lastIndexOf(">") + 1);
x_languageData = $($.parseXML(langxmlstr)).find("language");
x_setUp();
}
else {
if (lang == undefined || lang == "undefined" || lang == "") {
lang = "en-GB";
}
$.ajax({
type: "GET",
url: "languages/engine_" + lang + ".xml",
dataType: "xml",
success: function (xml) {
x_languageData = $(xml).find("language");
x_setUp();
},
error: function () {
if (lang != "en-GB") { // no language file found - try default GB one
x_getLangData("en-GB");
} else { // hasn't found GB language file - set up anyway, will use fallback text in code
x_languageData = $("");
x_setUp();
}
}
});
}
}
function x_evalURL(url)
{
if (url == null)
return null;
var trimmedURL = $.trim(url);
if (trimmedURL.indexOf("'")==0 || trimmedURL.indexOf("FileLocation + ") >=0)
{
if (xot_offline)
{
if (url.indexOf("FileLocation + ") >=0)
{
var pos = url.indexOf("FileLocation + ");
url = url.substr(0,pos) + url.substr(pos + 16);
return eval(url);
}
else return eval(url);
}
else return eval(url);
}
else return url;
}
function x_GetTrackingTextFromHTML(html, fallback)
{
var div = $('<div>').html(html);
var txt = $.trim(div.text());
if (txt == "") {
var img = div.find("img");
if (img != undefined && img.length > 0) txt = img[0].attributes['alt'].value;
}
if (txt == "") txt = fallback;
return txt;
}
// Gets the trackinglabel of the current page.
// This is either the page's name or (if set) a custom label.
function x_GetTrackingLabelOfPage() {
var trackinglabel = $('<div>').html(x_currentPageXML.getAttribute("name")).text();
if (x_currentPageXML.getAttribute("trackinglabel") != undefined && x_currentPageXML.getAttribute("trackinglabel") != "")
{
trackinglabel = x_currentPageXML.getAttribute("trackinglabel");
}
return trackinglabel;
}
// setup functions load interface buttons and events
function x_setUp() {
// prevent flashes of css body tag colours before the main interface has loaded
$('head').append('<style id="preventFlash" type="text/css">body, #x_mainHolder { background: white !important; }; </style>');
x_params.dialogTxt = x_getLangInfo(x_languageData.find("screenReaderInfo")[0], "dialog", "") != "" && x_getLangInfo(x_languageData.find("screenReaderInfo")[0], "dialog", "") != null ? " " + x_getLangInfo(x_languageData.find("screenReaderInfo")[0], "dialog", "") : "";
x_params.newWindowTxt = x_getLangInfo(x_languageData.find("screenReaderInfo")[0], "newWindow", "") != "" && x_getLangInfo(x_languageData.find("screenReaderInfo")[0], "newWindow", "") != null ? " " + x_getLangInfo(x_languageData.find("screenReaderInfo")[0], "newWindow", "") : "";
if (x_normalPages.length == 0) {
$("body").append(x_getLangInfo(x_languageData.find("noPages")[0], "label", "<p>This project does not contain any pages.</p>"));
} else {
$x_head = $("head");
$x_body = $("body");
$x_window = $(window);
$x_mobileScroll = $("#x_mobileScroll");
$x_headerBlock = $("#x_headerBlock");
$x_pageHolder = $("#x_pageHolder");
$x_helperText = $("#x_helperText");
$x_pageDiv = $("#x_pageDiv");
$x_footerBlock = $("#x_footerBlock");
$x_footerL = $("#x_footerBlock .x_floatLeft");
$x_menuBtn = $("#x_menuBtn");
$x_saveSessionBtn = $("#x_saveSessionBtn");
$x_colourChangerBtn = $("#x_colourChangerBtn");
$x_prevBtn = $("#x_prevBtn");
$x_pageNo = $("#x_pageNo");
$x_nextBtn = $("#x_nextBtn");
$x_background = $("#x_background");
$x_body.css("font-size", Number(x_params.textSize) - 2 + "pt");
if (x_params.authorSupport == "true") {
var msg = x_getLangInfo(x_languageData.find("authorSupport")[0], "label", "") != "" && x_getLangInfo(x_languageData.find("authorSupport")[0], "label", "") != null ? x_getLangInfo(x_languageData.find("authorSupport")[0], "label", "") : "Author Support is ON: text shown in red will not appear in live projects.";
$x_headerBlock.prepend('<div id="x_authorSupportMsg" class="alert"><p>' + msg + '</p></div>');
}
// calculate author set variables
if (x_params.variables != undefined) {
XENITH.VARIABLES.init(x_params.variables);
}
x_dialogInfo.push({type:'msg', built:false});
// hides header/footer if set in url
if (x_params.hideHeader == "true") {
$x_headerBlock.hide().height(0);
}
if (x_params.hideFooter == "true") { // More complex since narration is in here
$('#x_footerBlock > div').each(function () {
$(this).hide().height(0);
});
}
if (x_params.hideHeader == "true" && x_params.hideFooter == "true") {
$x_mainHolder.css("border", "none");
}
// sets initial size if set in url e.g. display=500,500
if ($.isArray(x_params.displayMode)) {
$x_mainHolder.css({
"width" :x_params.displayMode[0],
"height" :x_params.displayMode[1]
});
}
if (x_browserInfo.mobile) {
x_fillWindow = true;
$x_mainHolder.addClass("x_mobile");
x_insertCSS(x_templateLocation + "common_html5/css/mobileStyles.css", function() {x_cssSetUp()});
} else {
$x_mainHolder.addClass("x_desktop");
x_insertCSS(x_templateLocation + "common_html5/css/desktopStyles.css", x_desktopSetUp);
}
}
}
function x_desktopSetUp() {
if (x_params.embed != true && x_params.displayMode != 'full screen' && x_params.displayMode != 'fill window') {
$x_footerL.prepend('<button id="x_cssBtn"></button>');
$("#x_cssBtn")
.button({
icons: {primary: "x_maximise"},
label: x_getLangInfo(x_languageData.find("sizes").find("item")[3], false, "Full screen"),
text: false
})
.attr("aria-label", $("#x_cssBtn").attr("title"))
.click(function() {
// Post flag to containing page for iframe resizing
if (window && window.parent && window.parent.postMessage) {
window.parent.postMessage((String)(!x_fillWindow), "*");
}
if (x_fillWindow == false) {
x_setFillWindow();
} else {
for (var i=0; i<x_responsive.length; i++) {
$x_mainHolder.removeClass("x_responsive");
$(x_responsive[i]).prop("disabled", true);
};
// minimised size to come from display size specified in xml or url param