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| // qualtrics.js | |
| // | |
| // Original author: CAM 2014-07-23 | |
| // CURRENTLY TESTING JFE COMPATIBILITY | |
| // | |
| // Purpose: Javascript file to be included in Qualtrics. Designed to be easy | |
| // for survey writers and editors. | |
| // | |
| // Example javascript to be put in head of a survey: | |
| /* | |
| <script src="//use.typekit.net/qnb2yzi.js"></script> | |
| <script src="//www.perts.net/static/silk/js/qualtrics.js"></script> | |
| <!-- Yosemite style --> | |
| <script> | |
| // Specify what program and domain we're using. | |
| perts.domain('https://www.perts.net'); // required, adjust as needed | |
| perts.programAbbreviation('NP16S'); // only if using audio | |
| perts.getPdUrl = perts.getYosemitePdUrl; | |
| </script> | |
| <!-- Neptune style --> | |
| <script> | |
| // Specify what program and domain we're using. | |
| perts.domain('https://www.perts.net'); // required, adjust as needed | |
| perts.programAbbreviation('NP16S'); // only if using audio | |
| perts.getPdUrl = perts.getNeptunePdUrl; | |
| // Neptune uses a MySQL table for pd, so tons of write contention could be | |
| // a problem. Only save data when necessary. There's a build-in retry up | |
| // to 3 attempts. | |
| perts.disableAutomaticPdSave = true; | |
| </script> | |
| <link href="//www.perts.net/static/silk/css/qualtrics.css" rel="stylesheet" /> | |
| */ | |
| // Inlines several third-party libraries: | |
| // * jquery 1.11.0 | |
| // * soundjs 0.6.2 | |
| // * swfobject flashplugin 2.2 | |
| // | |
| // Requires third-party libraries in a separate script tag: | |
| // * typekit | |
| // | |
| // API to be used by survey writers: | |
| // | |
| // perts.disableAutomaticPdSave - bool, if set to true, will not automatically | |
| // use the cross site gif to send progress data back to the platform. It | |
| // will only do so when calling perts.data(foo) as a setter. | |
| // | |
| // perts.programAbbreviation() - Call to set program abbrevation, | |
| // e.g. perts.programAbbreviation('NP15S'), before using API. | |
| // | |
| // perts.domain() - Call to set platform domain, e.g. | |
| // perts.domain('https://www.perts.net') before using API. No trailing | |
| // slash. | |
| // | |
| // perts.next() - go to next page, alias of | |
| // Qualtrics.SurveyEngine.navClick(event, 'NextButton'); | |
| // | |
| // perts.previous() - go to previous page, alias of | |
| // Qualtrics.SurveyEngine.navClick(event, 'PreviousButton'); | |
| // | |
| // perts.data() - embedded data getter/setter. Setting also writes via the | |
| // cross_site.gif | |
| // variableName - str, the name of the embedded data to get | |
| // value - str, optional, a new value to set | |
| // | |
| // perts.relabelNextButton() | |
| // label - str, the text to display on the button. | |
| // | |
| // perts.playAudioFile() | |
| // fileName - str, e.g. 'take_five.mp3', expected to be found in the | |
| // /programs/[programAbbreviation]/static/audio/ directory. | |
| // options - obj, optional, with properties: | |
| // playImmediately - bool, default true. If false, you can turn the | |
| // audio on with perts.audioOn() | |
| // createToggle - bool, default true. Create a little on/off switch to | |
| // turn the audio on and off. | |
| // | |
| // perts.audioOn() - plays the audio file named in playAudioFile() from the | |
| // beginning if not playing already. | |
| // | |
| // perts.audioOff() - stops the audio named in playAudioFile() if currently | |
| // playing. | |
| // | |
| // perts.disableAudioToggle() - self explanatory | |
| // | |
| // perts.enableAudioToggle() - self explanatory | |
| // | |
| // perts.temporarilyBlockNavigation() - running multiple times on the same page | |
| // should leave only the last call in effect. Note: this function must | |
| // always be run from inside an onLoad event handler. This is done for you | |
| // in questions-level JS. If using this in the header, wrap the call like | |
| // this: | |
| // Qualtrics.SurveyEngine.addOnload(function () { /* put call here */ }); | |
| // message - str, e.g. "You can't continue because you haven't | |
| // answered all the questions." | |
| // seconds - int, num of seconds the block stays in place, after | |
| // which functionality returns to normal. Default 0. | |
| // | |
| // perts.removeNavigationBlock() - undoes above function. | |
| // | |
| // perts.makeNextButtonRedirectToPlatform() - should be used on the last page | |
| // of a survey. Sends users to the /done page of the platform AND also | |
| // submits the Qualtrics survey in the background. | |
| //////// LIBRARIES //////// | |
| /* Crockford's json2.js library for serializing to and parsing from JSON. */ | |
| /* Ensures the native implentation of the global JSON objects is present. */ | |
| if(typeof JSON!=="object"){JSON={};(function(){"use strict";function f(n){return n<10?"0"+n:n}if(typeof Date.prototype.toJSON!=="function"){Date.prototype.toJSON=function(){return isFinite(this.valueOf())?this.getUTCFullYear()+"-"+f(this.getUTCMonth()+1)+"-"+f(this.getUTCDate())+"T"+f(this.getUTCHours())+":"+f(this.getUTCMinutes())+":"+f(this.getUTCSeconds())+"Z":null};String.prototype.toJSON=Number.prototype.toJSON=Boolean.prototype.toJSON=function(){return this.valueOf()}}var cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={"\b":"\\b"," ":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},rep;function quote(string){escapable.lastIndex=0;return escapable.test(string)?'"'+string.replace(escapable,function(a){var c=meta[a];return typeof c==="string"?c:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+string+'"'}function str(key,holder){var i,k,v,length,mind=gap,partial,value=holder[key];if(value&&typeof value==="object"&&typeof value.toJSON==="function"){value=value.toJSON(key)}if(typeof rep==="function"){value=rep.call(holder,key,value)}switch(typeof value){case"string":return quote(value);case"number":return isFinite(value)?String(value):"null";case"boolean":case"null":return String(value);case"object":if(!value){return"null"}gap+=indent;partial=[];if(Object.prototype.toString.apply(value)==="[object Array]"){length=value.length;for(i=0;i<length;i+=1){partial[i]=str(i,value)||"null"}v=partial.length===0?"[]":gap?"[\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"]":"["+partial.join(",")+"]";gap=mind;return v}if(rep&&typeof rep==="object"){length=rep.length;for(i=0;i<length;i+=1){if(typeof rep[i]==="string"){k=rep[i];v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}else{for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=str(k,value);if(v){partial.push(quote(k)+(gap?": ":":")+v)}}}}v=partial.length===0?"{}":gap?"{\n"+gap+partial.join(",\n"+gap)+"\n"+mind+"}":"{"+partial.join(",")+"}";gap=mind;return v}}if(typeof JSON.stringify!=="function"){JSON.stringify=function(value,replacer,space){var i;gap="";indent="";if(typeof space==="number"){for(i=0;i<space;i+=1){indent+=" "}}else if(typeof space==="string"){indent=space}rep=replacer;if(replacer&&typeof replacer!=="function"&&(typeof replacer!=="object"||typeof replacer.length!=="number")){throw new Error("JSON.stringify")}return str("",{"":value})}}if(typeof JSON.parse!=="function"){JSON.parse=function(text,reviver){var j;function walk(holder,key){var k,v,value=holder[key];if(value&&typeof value==="object"){for(k in value){if(Object.prototype.hasOwnProperty.call(value,k)){v=walk(value,k);if(v!==undefined){value[k]=v}else{delete value[k]}}}}return reviver.call(holder,key,value)}text=String(text);cx.lastIndex=0;if(cx.test(text)){text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})}if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,""))){j=eval("("+text+")");return typeof reviver==="function"?walk({"":j},""):j}throw new SyntaxError("JSON.parse")}}})();} | |
| if (typeof jQuery === 'undefined') { | |
| /*! jQuery v1.11.0 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */ | |
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| } | |
| if (typeof $j === 'undefined') { | |
| // MFK 2014-07-12: Adding jQuery as '$j' to prevent conflicts. | |
| // CAM 2014-07-23: This line has to be in the global scope, not in an | |
| // onLoad event, otherwise everything breaks. Has to do with the fact that | |
| // Qualtrics loads its own instance of prototype under the dollar sign. | |
| // http://api.jquery.com/jquery.noconflict/ | |
| var $j = jQuery.noConflict(); | |
| } | |
| /* createjs is defined lower in this file, after the perts module */ | |
| //////// UTILITY FUNCTIONS //////// | |
| // Production steps of ECMA-262, Edition 5, 15.4.4.18 | |
| // Reference: http://es5.github.io/#x15.4.4.18 | |
| if (typeof Array.prototype.forEach !== 'function') { | |
| Array.prototype.forEach = function(callback, thisArg) { | |
| /* jshint bitwise: false */ | |
| var T, k; | |
| if (this === null || this === undefined) { | |
| throw new TypeError(' this is null or not defined'); | |
| } | |
| // 1. Let O be the result of calling ToObject passing the |this| value | |
| // as the argument. | |
| var O = Object(this); | |
| // 2. Let lenValue be the result of calling the Get internal method of | |
| // O with the argument "length". | |
| // 3. Let len be ToUint32(lenValue). | |
| var len = O.length >>> 0; | |
| // 4. If IsCallable(callback) is false, throw a TypeError exception. | |
| // See: http://es5.github.com/#x9.11 | |
| if (typeof callback !== 'function') { | |
| throw new TypeError(callback + ' is not a function'); | |
| } | |
| // 5. If thisArg was supplied, let T be thisArg; else let T be undefined. | |
| if (arguments.length > 1) { | |
| T = thisArg; | |
| } | |
| // 6. Let k be 0 | |
| k = 0; | |
| // 7. Repeat, while k < len | |
| while (k < len) { | |
| var kValue; | |
| // a. Let Pk be ToString(k). | |
| // This is implicit for LHS operands of the in operator | |
| // b. Let kPresent be the result of calling the HasProperty | |
| // internal method of O with argument Pk. This step can be | |
| // combined with c | |
| // c. If kPresent is true, then | |
| if (k in O) { | |
| // i. Let kValue be the result of calling the Get internal | |
| // method of O with argument Pk. | |
| kValue = O[k]; | |
| // ii. Call the Call internal method of callback with T as the | |
| // this value and argument list containing kValue, k, | |
| // and O. | |
| callback.call(T, kValue, k, O); | |
| } | |
| // d. Increase k by 1. | |
| k += 1; | |
| } | |
| // 8. return undefined | |
| }; | |
| } | |
| // Production steps of ECMA-262, Edition 5, 15.4.4.19 | |
| // Reference: http://es5.github.io/#x15.4.4.19 | |
| if (!Array.prototype.map) { | |
| Array.prototype.map = function(callback/*, thisArg*/) { | |
| var T, A, k; | |
| if (this == null) { | |
| throw new TypeError('this is null or not defined'); | |
| } | |
| // 1. Let O be the result of calling ToObject passing the |this| | |
| // value as the argument. | |
| var O = Object(this); | |
| // 2. Let lenValue be the result of calling the Get internal | |
| // method of O with the argument "length". | |
| // 3. Let len be ToUint32(lenValue). | |
| var len = O.length >>> 0; | |
| // 4. If IsCallable(callback) is false, throw a TypeError exception. | |
| // See: http://es5.github.com/#x9.11 | |
| if (typeof callback !== 'function') { | |
| throw new TypeError(callback + ' is not a function'); | |
| } | |
| // 5. If thisArg was supplied, let T be thisArg; else let T be undefined. | |
| if (arguments.length > 1) { | |
| T = arguments[1]; | |
| } | |
| // 6. Let A be a new array created as if by the expression new Array(len) | |
| // where Array is the standard built-in constructor with that name and | |
| // len is the value of len. | |
| A = new Array(len); | |
| // 7. Let k be 0 | |
| k = 0; | |
| // 8. Repeat, while k < len | |
| while (k < len) { | |
| var kValue, mappedValue; | |
| // a. Let Pk be ToString(k). | |
| // This is implicit for LHS operands of the in operator | |
| // b. Let kPresent be the result of calling the HasProperty internal | |
| // method of O with argument Pk. | |
| // This step can be combined with c | |
| // c. If kPresent is true, then | |
| if (k in O) { | |
| // i. Let kValue be the result of calling the Get internal | |
| // method of O with argument Pk. | |
| kValue = O[k]; | |
| // ii. Let mappedValue be the result of calling the Call internal | |
| // method of callback with T as the this value and argument | |
| // list containing kValue, k, and O. | |
| mappedValue = callback.call(T, kValue, k, O); | |
| // iii. Call the DefineOwnProperty internal method of A with arguments | |
| // Pk, Property Descriptor | |
| // { Value: mappedValue, | |
| // Writable: true, | |
| // Enumerable: true, | |
| // Configurable: true }, | |
| // and false. | |
| // In browsers that support Object.defineProperty, use the following: | |
| // Object.defineProperty(A, k, { | |
| // value: mappedValue, | |
| // writable: true, | |
| // enumerable: true, | |
| // configurable: true | |
| // }); | |
| // For best browser support, use the following: | |
| A[k] = mappedValue; | |
| } | |
| // d. Increase k by 1. | |
| k++; | |
| } | |
| // 9. return A | |
| return A; | |
| }; | |
| } | |
| //////// API //////// | |
| function PERTS_MODULE() { | |
| 'use strict'; | |
| // The PERTS module which will be exported. | |
| var p = {}; | |
| // Private variables. | |
| var domain, | |
| programAbbreviation, | |
| nextButton, | |
| previousButton, | |
| blockedNextButton, | |
| blockedNavMessage, | |
| blockedNavTimeout, | |
| currentSoundInstance, // will be filled by playAudioFile() | |
| audioEmbedCode, // will be filled in by playAudioFile() | |
| DOMInitialized = false, | |
| debugText = ''; | |
| // Qualtrics.SurveyEngine.addOnLoad does not run things in a predictable | |
| // order in IE 8. That means we can't initialize DOM references once | |
| // "higher" in the code (i.e. here in this module) and expect it to run | |
| // before "lower" invocations of addOnLoad(). My solution to this is to | |
| // call this initialization function in all places that rely on having | |
| // DOM references, so they are sure to have what they need, no matter | |
| // what order they run in. | |
| var initializeDOMReferences = function () { | |
| if (DOMInitialized) { return; } | |
| debugText += "\n initializeDOMReferences()"; | |
| nextButton = $j('#NextButton'); | |
| previousButton = $j('#PreviousButton'); | |
| // We rely on the existence of the next button to detect if the page | |
| // is actually loaded. The previous button often doesn't exist. | |
| DOMInitialized = nextButton.length !== 0; | |
| }; | |
| var initializeDOMVamp = function(callback) { | |
| initializeDOMReferences(); | |
| if (DOMInitialized) { | |
| debugText += "\n DOM ready..."; | |
| callback(); | |
| } else { | |
| debugText += "\n DOM wasn't ready, waiting..."; | |
| setTimeout(initializeDOMVamp, 100); | |
| } | |
| }; | |
| // Must be run on page load, because it references the DOM. | |
| var initializeBlockedNavigation = function (callback) { | |
| debugText += "\n initializeBlockedNavigation()"; | |
| if (blockedNextButton) { | |
| blockedNextButton.remove(); | |
| } | |
| if (blockedNavMessage) { | |
| blockedNavMessage.remove(); | |
| } | |
| initializeDOMVamp(function () { | |
| var buttonContainer = $j('#Buttons'); | |
| // We'll play some games with vertical spacing that attempt to be | |
| // robust, but if there's not enough margin-bottom on the button | |
| // we'll run into problems. parseInt() strips the 'px'. | |
| var marginBottom = parseInt(nextButton.css('margin-bottom'), 10); | |
| if (marginBottom < 30) { | |
| throw new Error("Can't replace next button: not enough " + | |
| "margin-bottom"); | |
| } | |
| // The new button with its associated message div will require | |
| // 30 pixels of height. Size the remaining margin to fit. | |
| marginBottom = marginBottom - 30; | |
| // The only way to get rid of the original button that doesn't | |
| // cause more problems is to give it display: none. Removing it | |
| // from the DOM disrupts Qualtrics' internal ways of navigating, | |
| // like the empty respose navigation check. | |
| nextButton.hide(); | |
| // Insert a new next button so we can put our own event handlers on | |
| // it. It's important to have the type NOT be "submit" b/c | |
| // Qualtrics uses the onsubmit event to save the page's responses. | |
| blockedNextButton = $j('<input class="perts-button blocked-next-button" type="button">') | |
| .css('margin-bottom', marginBottom + 'px') | |
| .appendTo(buttonContainer); | |
| // Copy certain attributes over from the original button. | |
| ['title', 'name', 'value'].forEach(function (attr) { | |
| blockedNextButton.attr(attr, nextButton.attr(attr)); | |
| }); | |
| // Create a node that will contain a warning message if the user | |
| // clicks the next button too fast. | |
| blockedNavMessage = $j('<div class="blocked-nav-message">') | |
| .css({'height': '20px', | |
| 'margin-bottom': '10px', | |
| 'text-align': 'center'}) | |
| .appendTo(buttonContainer); | |
| callback(); | |
| }); | |
| }; | |
| // Setter/getter for the domain on which this javascript file is being | |
| // hosted, and from which Qualtrics is loading it. Must be set within | |
| // qualtrics. | |
| p.domain = function (setValue) { | |
| if (setValue) { | |
| // Make sure the domain does not have a trailing slash. | |
| if (/\/$/.test(setValue)) { | |
| setValue = setValue.substring(0, setValue.length - 1); | |
| } | |
| domain = setValue; | |
| } | |
| if (typeof domain !== 'string') { | |
| p.console.error( | |
| "Domain of PERTS platform must be set via perts.domain(); " + | |
| "cannot load audio or use cross_site.gif." | |
| ); | |
| return ''; | |
| } | |
| return domain; | |
| }; | |
| // Setter/getter. This must be set within qualtrics. | |
| p.programAbbreviation = function (setValue) { | |
| if (setValue) { | |
| programAbbreviation = setValue; | |
| } | |
| if (typeof programAbbreviation !== 'string') { | |
| p.console.error( | |
| "Abbreviation for the program must be set via " + | |
| "perts.programAbbreviation(); cannot load audio." | |
| ); | |
| return ''; | |
| } | |
| return programAbbreviation; | |
| }; | |
| // Sigh..... browser sniffing..... | |
| // http://stackoverflow.com/questions/12606245/detect-if-browser-is-running-on-an-android-or-ios-device | |
| p.is = { | |
| WinXP: /Windows NT 5/i.test(navigator.userAgent), | |
| IE8: /MSIE 8/i.test(navigator.userAgent), | |
| Android: /Android/i.test(navigator.userAgent), | |
| BlackBerry: /BlackBerry/i.test(navigator.userAgent), | |
| iOS: /iPhone|iPad|iPod/i.test(navigator.userAgent), | |
| IEMobile: /IEMobile/i.test(navigator.userAgent) | |
| }; | |
| p.isMobile = function () { | |
| if (window.debugMobileAudio) { | |
| return true; | |
| } else { | |
| return p.is.Android || p.is.BlackBerry || p.is.iOS || p.is.IEMobile; | |
| } | |
| }; | |
| p.next = function () { | |
| p.pageTransition(); | |
| // This could be the click event, but it's not necessary. | |
| var event; | |
| // Right now just a shortcut; allows for future extensibility. | |
| Qualtrics.SurveyEngine.navClick(event, 'NextButton'); | |
| }; | |
| p.previous = function () { | |
| p.pageTransition(); | |
| // This could be the click event, but it's not necessary. | |
| var event; | |
| // Right now just a shortcut; allows for future extensibility. | |
| Qualtrics.SurveyEngine.navClick(event, 'PreviousButton'); | |
| }; | |
| // Change the text displayed on the next button. | |
| p.relabelNextButton = function (label) { | |
| debugText += "\n relabelNextButton()"; | |
| initializeDOMReferences(); | |
| nextButton.val(label); | |
| nextButton.attr('title', label); | |
| if (blockedNextButton) { | |
| blockedNextButton.val(label); | |
| blockedNextButton.attr('title', label); | |
| } | |
| }; | |
| // Invisibly swap out the next button for a substitute button that | |
| // *doesn't* navigate. Instead, a click on the substitute shows a | |
| // warning message. The original button is replaced after a delay. | |
| p.temporarilyBlockNavigation = function (message, seconds) { | |
| debugText += "\n temporarilyBlockNavigation()"; | |
| seconds = Number(seconds) || 0; | |
| initializeDOMVamp(function () { | |
| var marginBottom = parseInt(nextButton.css('margin-bottom'), 10); | |
| if (marginBottom === 0) { | |
| // JFE doesn't apply styles synchronously, so we may have to wait | |
| // a tick for the margins to exist. | |
| setTimeout(function () { | |
| perts.temporarilyBlockNavigation(message, seconds); | |
| }, 100); | |
| return; | |
| } | |
| if (blockedNextButton) { | |
| // Then this function has been run before on this page. We need to | |
| // reset some things before moving forward. | |
| blockedNextButton.unbind('click'); | |
| clearTimeout(blockedNavTimeout); | |
| // The existing blocked button may have a different label. We'll | |
| // regenerate it to make sure it's up to date. | |
| $j('.blocked-next-button').remove(); | |
| } | |
| initializeBlockedNavigation(function () { | |
| // Explain to the user why clicking the next button isn't working. | |
| blockedNextButton.click(function () { | |
| blockedNavMessage.html(message); | |
| // Count how many times users click on the blocked button. | |
| var count = Number(p.data('blocked_nav_count')) || 0; | |
| p.data('blocked_nav_count', count + 1); | |
| }); | |
| // After the temporary period of time has passed, put the | |
| // original button back in place. | |
| blockedNavTimeout = setTimeout(p.removeNavigationBlock, | |
| seconds * 1000); | |
| }); | |
| }); | |
| }; | |
| p.removeNavigationBlock = function () { | |
| initializeBlockedNavigation(function () { | |
| blockedNextButton.hide(); | |
| blockedNavMessage.hide(); | |
| nextButton.show(); | |
| clearTimeout(blockedNavTimeout); | |
| }); | |
| }; | |
| p.hideNextButton = function (seconds) { | |
| // It's a bad idea to hide the next button permanently, because if | |
| // misused, users will be stuck. To remind developers of this, you | |
| // must submit a number of seconds to hide it, after which it will | |
| // re-appear. | |
| if (seconds === undefined) { | |
| throw new Error("The perts.hideNextButton() funtion requires a " + | |
| "number of seconds."); | |
| } | |
| // Also, doesn't play nice with blocked navigation. Just railroads it, | |
| // so you can't have it both ways. | |
| initializeDOMReferences(); | |
| if (blockedNextButton) { | |
| blockedNextButton.hide(); | |
| } | |
| nextButton.hide(); | |
| setTimeout(function () { nextButton.show(); }, seconds * 1000); | |
| }; | |
| p.makeNextButtonRedirectToPlatform = function (buttonText) { | |
| initializeDOMReferences(); | |
| nextButton.hide(); | |
| if (blockedNextButton) { | |
| blockedNextButton.unbind('click'); | |
| clearTimeout(blockedNavTimeout); | |
| blockedNextButton.hide(); | |
| } | |
| var url = p.domain() + '/done' + | |
| '?program=' + p.programAbbreviation() + | |
| '&user=' + p.data('user') + | |
| '&activity_ordinal=' + p.data('activity_ordinal'); | |
| $j('<a target="_blank" class="perts-button" ' + | |
| 'href="' + url + '">' + buttonText + '</a>') | |
| .appendTo('#Buttons') | |
| .click(function () { | |
| setTimeout(p.next, 2 * 1000); | |
| return true; | |
| }); | |
| }; | |
| // Getter/setter for qualtrics embedded data. | |
| p.data = function (varName, value) { | |
| // Provide clear explanation if expected data doesn't exist. | |
| var inputNode = $j('#' + varName).get(0); | |
| if (!inputNode) { | |
| throw new Error("Could not find embedded data: " + varName); | |
| } | |
| var input = $j(inputNode); | |
| // If value given, set. Allow setting to falsy values, like '' or null. | |
| if (value !== undefined) { | |
| // This is the canonical way to set embedded data via javascript. | |
| // It works, with the exception that it doesn't change the | |
| // corresponding <input> values without a page refresh (b/c | |
| // qualtrics inlines those values server side). We depend on these | |
| // values being up to date client side, so also manually change | |
| // the input value. | |
| Qualtrics.SurveyEngine.setEmbeddedData(varName, value); | |
| input.val(value); | |
| // Also request the platform cross_site.gif to communciate data | |
| // back. This is the canonical way of triggering writes to Neptune. | |
| var maxAttempts = 3; | |
| var numAttempts = 0; | |
| var url = p.getPdUrl(); | |
| var retry = function () { | |
| numAttempts += 1; | |
| if (numAttempts < maxAttempts) { | |
| p.crossSiteGif(url, retry); | |
| } else { | |
| p.console.error("Failed to write pd after maxAttempts."); | |
| } | |
| }; | |
| p.crossSiteGif(url, retry); | |
| } | |
| // Either way, get. | |
| return input.val(); | |
| // While there does appear to be a function called | |
| // Qualtrics.SurveyEngine.getEmbeddedData(), it doesn't appear to work! | |
| }; | |
| p.crossSiteGif = function (url, errorCallback) { | |
| if (!url) { | |
| p.console.log("Blank url; perts.crossSiteGif() NOT sending pd."); | |
| return; | |
| } | |
| $j("<img/>") | |
| .on('error', errorCallback) | |
| .attr("src", url); | |
| }; | |
| p.getAudioUrl = function (fileName) { | |
| return p.domain() + '/programs/' + p.programAbbreviation() + | |
| '/static/audio/' + fileName; | |
| }; | |
| // Function to call on individual pages/questions that plays audio. | |
| p.playAudioFile = function (fileName, options) { | |
| // Documentation: | |
| // http://www.createjs.com/Docs/SoundJS/classes/Sound.html | |
| options = options || {}; | |
| // Build a toggle so the user can turn the audio off? Assume yes. | |
| if (options.createToggle !== false) { | |
| createAudioToggle(); | |
| } | |
| // Should the audio immediately start to play? Assume yes. | |
| if (options.playImmediately !== false) { | |
| options.playImmediately = true; | |
| } | |
| // Never play immediately if this is a mobile device. | |
| if (p.isMobile()) { | |
| options.playImmediately = false; | |
| // Disable the toggle while the audio file loads. We'll enable it | |
| // in the file load callback. | |
| p.disableAudioToggle(); | |
| } | |
| // This function supports two ways of playing audio. | |
| // * Via SoundJS (part of CreateJS), which attempts to use a variety | |
| // of techniques, and generally works the best. | |
| // * Via a Qualtrics-powered <embed> tag. This is used for browsers | |
| // which perform poorly (or not at all) with the standard method: | |
| // anything on Windows XP, and IE 8 on anything. | |
| // The <embed> tag is the method Qualtrics | |
| // uses if you insert media via their rich-text editor. Below is the | |
| // the html they use, with some customizations. It's set to auto start, | |
| // and CSS places it outside the viewport, so to start and stop play | |
| // all we need to do is use jQuery to append it to or remove it from | |
| // the page. | |
| audioEmbedCode = '<embed class="qmedia perts-audio-embed" ' + | |
| 'flashvars="file=' + p.getAudioUrl(fileName) + | |
| '&width=320&height=20&type=mp3&autostart=true" ' + | |
| 'height="22" pluginspage="http://adobe.com/flashplayer/" ' + | |
| 'src="../WRQualtricsShared/Flash/flvplayer.swf" ' + | |
| 'type="application/x-shockwave-flash" width="322" ' + | |
| 'wmode="transparent">'; | |
| // As long as this isn't IE 8 (which createjs doesn't support), try to | |
| // use createjs to set up the audio file. | |
| if (typeof createjs !== 'undefined') { | |
| createjs.FlashPlugin.swfPath = p.domain() + '/static/'; | |
| createjs.Sound.registerPlugins([createjs.WebAudioPlugin, | |
| createjs.HTMLAudioPlugin, | |
| createjs.FlashPlugin]); | |
| // If the default audio format isn't supported, test for support of | |
| // these next. Files of the same name with these extensions must exist | |
| // if this search for alternative support is to work. | |
| createjs.Sound.alternateExtensions = ['m4a', 'mp4', 'mp3']; | |
| // Play the audio stored in #soundId as soon as the file loads. | |
| createjs.Sound.addEventListener('fileload', function handleLoad(event) { | |
| currentSoundInstance = createjs.Sound.createInstance('pertsAudioFile'); | |
| if (options.playImmediately) { | |
| currentSoundInstance.play(); | |
| } | |
| if (p.isMobile()) { | |
| // Now that the file is ready, let people toggle audio. | |
| p.enableAudioToggle(); | |
| } | |
| }); | |
| // Register an audio file for loading and future playback in Sound. | |
| // This is automatically called when using PreloadJS. It is recommended | |
| // to register all sounds that need to be played back in order to | |
| // properly prepare and preload them. Sound does internal preloading | |
| // when required. | |
| // The audio will start as soon as the file is loaded if | |
| // playImmediately is true (see the 'fileLoad' handler above). | |
| createjs.Sound.registerSound({ | |
| id: 'pertsAudioFile', | |
| src: p.getAudioUrl(fileName) | |
| }); | |
| } else if (options.playImmediately) { | |
| // IE 8 or any browser on Windows XP won't use createjs (the | |
| // library doesn't support those environments), so we'll use the | |
| // embed tag, so no sound needs to be registerd. The audioOn() | |
| // method can handle both ways of playing audio. | |
| p.audioOn(); | |
| } | |
| }; | |
| p.audioOn = function () { | |
| // We always want to play an audio file from the beginning and have no | |
| // need to support pausing and resuming. We also want to avoid having | |
| // two instances playing over each other. So call audioOff() to clear | |
| // the stage before starting anew. | |
| p.audioOff(); | |
| if (currentSoundInstance) { | |
| currentSoundInstance.play(); | |
| } else { | |
| // If we're not set up to use SoundJS, (Win XP and IE 8), append | |
| // the <embed>, which will play immediately. | |
| $j(document.body).append(audioEmbedCode); | |
| } | |
| }; | |
| p.audioOff = function () { | |
| if (currentSoundInstance) { | |
| currentSoundInstance.stop(); | |
| } | |
| // Turn off any embedded audio, if it exists. The class used here is | |
| // unique to embed tags managed by this code. | |
| $j('.perts-audio-embed').remove(); | |
| }; | |
| var createAudioToggle = function () { | |
| $j('<div id="audio-toggle-wrapper">' + | |
| '<div id="audio-toggle"></div>' + | |
| '</div>').appendTo('#Header'); | |
| $j('#audio-toggle').click(function () { | |
| if ($j(this).hasClass('disabled')) { | |
| return; | |
| } | |
| // On click, change 1) the toggle's visual state, 2) the embedded | |
| // data which persists from page to page and 3) the play state of | |
| // the audio file. | |
| if ($j(this).hasClass('on')) { | |
| $j(this).removeClass('on'); | |
| p.data('audio', 'off'); | |
| p.audioOff(); | |
| } else { | |
| $j(this).addClass('on'); | |
| p.data('audio', 'on'); | |
| p.audioOn(); | |
| } | |
| }); | |
| // If the user has previously turned on audio, make sure the switch | |
| // indicates that. Unless this is a mobile device, in which case don't | |
| // bother turning it on for them, because it won't work (it has to be | |
| // part of a touch event, so they have to do it themselves). | |
| if (p.data('audio') === 'on' && !p.isMobile()) { | |
| $j('#audio-toggle').addClass('on'); | |
| } | |
| }; | |
| p.disableAudioToggle = function () { | |
| $j('#audio-toggle').addClass('disabled'); | |
| }; | |
| p.enableAudioToggle = function () { | |
| $j('#audio-toggle').removeClass('disabled'); | |
| }; | |
| p.pageTransition = function () { | |
| // Makes sure that any flash players are removed from the page. | |
| p.audioOff(); | |
| // As long as this isn't IE 8 (which createjs doesn't support), | |
| // make sure any sounds registered with createjs are removed. | |
| if (typeof createjs !== 'undefined') { | |
| createjs.Sound.removeAllSounds(); | |
| } | |
| // Under JFE, the DOM is constantly being replaced from page to page, | |
| // but the javascript environment is unchanged. That means DOM node | |
| // references hang around, but their nodes are no longer relevant to | |
| // the current page. Fix this with a flag tell the module the DOM | |
| // references need refreshing, and by making sure important references | |
| // are cleared. | |
| DOMInitialized = false; | |
| blockedNextButton = undefined; | |
| blockedNavMessage = undefined; | |
| }; | |
| // Must be set in survey head! | |
| p.getPdUrl = undefined; | |
| p.getYosemitePdUrl = function () { | |
| var embeddedData = ['variable', 'value', 'user', 'program', | |
| 'activity_ordinal']; | |
| var isPreview = false; | |
| var pairs = embeddedData.map(function (ed) { | |
| if (p.isPreview(ed)) { | |
| isPreview = true; | |
| } | |
| return ed + '=' + encodeURIComponent(perts.data(ed)); | |
| }); | |
| if (isPreview) { | |
| return ''; | |
| } else { | |
| return perts.domain() + '/api/put/pd/cross_site.gif?' + | |
| pairs.join('&'); | |
| } | |
| }; | |
| p.getNeptunePdUrl = function (key) { | |
| var participantId = perts.data('participant_id'); | |
| var surveyId = perts.data('survey_id'); | |
| if (p.isPreview(key)) { | |
| return ''; | |
| } | |
| return perts.domain() + '/api/participants/' + participantId + | |
| '/data/cross_site.gif?survey_id=' + surveyId + '&' + | |
| key + '=' + encodeURIComponent(perts.data(key)); | |
| }; | |
| p.isPreview = function (key) { | |
| // Don't load the url if the needed data hasn't been inlined. This | |
| // happens when previewing a question in Qualtrics. | |
| // We test for preview mode by looking for Qualtrics inlining code that | |
| // still remains at page load. Note that we can't test for the whole | |
| // thing using a string literal, or else the literal itself would get | |
| // replaced during inlining! | |
| var isPreview = p.data(key).indexOf('e://Field/') !== -1; | |
| if (isPreview) { | |
| p.console.log("PERTS detected preview data for " + key); | |
| } | |
| return isPreview; | |
| }; | |
| // IE doesn't always have console.log, and, like the piece of fossilized | |
| // dinosaur dung that it is, will break when it encounters one. So put in a | |
| // version that 1) won't disrupt any other code's use of console, and | |
| // 2) won't break IE. Be sensitive both to the total lack of | |
| // window.console, and incomplete implementations of it. | |
| // Attempt to copy existing methods. | |
| if (window.console) { | |
| p.console = window.console; | |
| } else { | |
| p.console = {}; | |
| } | |
| // For anything missing, fill in no-op functions. | |
| ['log', 'warn', 'error', 'debug'].forEach(function (method) { | |
| if (!window.console || !window.console[method]) { | |
| p.console[method] = function () {}; | |
| } | |
| }); | |
| p.stratify = function (userId, programId, name, proportions, attributes, successCallback, errorCallback) { | |
| var data = { | |
| user: userId, | |
| program: programId, | |
| name: name, | |
| proportions: JSON.stringify(proportions), | |
| attributes: JSON.stringify(attributes) | |
| }; | |
| p.jsonp('api/stratify/jsonp', data, function (condition) { | |
| p.data('condition', condition); | |
| successCallback(condition); | |
| }, errorCallback); | |
| }; | |
| p.jsonp = function (url, data, successCallback, errorCallback) { | |
| // This function handles requesting data from the PERTS Platform over | |
| // JSONP. It's designed to handle several failure cases gracefully: | |
| // | |
| // * Status 500 - the errorCallback function is called. | |
| // * Server catches an exception and returns JSON with condition | |
| // '__ERROR__' - the errorCallback function is called. | |
| // * Server takes over 4 seconds to respond - the errorCallback is | |
| // called | |
| // | |
| // In all of the above cases, the successCallback is NOT called. | |
| // We expect the url to start w/ a slash | |
| if (url.charAt(0) !== '/') { | |
| url = '/' + url; | |
| } | |
| var noop = function () {}; | |
| errorCallback = errorCallback || noop; | |
| var timeoutCallback = errorCallback; | |
| var timeoutHandle; | |
| // AJAX | |
| $j.ajax({ | |
| url: p.domain() + url, | |
| dataType: 'jsonp', | |
| //// You can customize the name of the callback here, but it's | |
| //// easier to let jQuery do it, because it adds magic debugging. | |
| // jsonpCallback:, | |
| data: data, | |
| error: function (jqxhr, status, error) { | |
| p.console.error("AJAX/JSONP error while stratifying:", status, error); | |
| errorCallback(); | |
| }, | |
| success: function (response) { | |
| if (response === '__ERROR__') { | |
| errorCallback(); | |
| } else { | |
| successCallback(response); | |
| } | |
| }, | |
| complete: function (jqxhr, status) { | |
| clearTimeout(timeoutHandle); | |
| } | |
| }); | |
| // If the call takes too long, cancel any callbacks that might be | |
| // triggered by the ajax function in the future, and do something else | |
| // so the user isn't kept waiting. | |
| timeoutHandle = setTimeout(function () { | |
| successCallback = errorCallback = noop; | |
| timeoutCallback(); | |
| }, 4000); | |
| }; | |
| return p; | |
| } | |
| // JFE runs header code with every page transition, but it all happens in the | |
| // same js environment/global scope. We don't want to re-instantiate our | |
| // libraries over and over again. | |
| if (!perts) { | |
| var perts = PERTS_MODULE(); | |
| } | |
| // CreateJS doesn't support certain environments at all, so don't even load | |
| // the library in those cases. | |
| if(!perts.is.IE8 && !perts.is.WinXP) { | |
| if (typeof createjs === 'undefined') { | |
| // If the library doesn't exist yet, we have a fresh environment and we | |
| // should load it from the minified code. | |
| // MODIFIED from vanilla version 0.6.2. Chris added code to protect | |
| // against references to a null gainNode, which causes bugs when | |
| // calling createjs.Sound.removeAllSounds() in Chrome. | |
| /*! | |
| * @license SoundJS | |
| * Visit http://createjs.com/ for documentation, updates and examples. | |
| * | |
| * Copyright (c) 2011-2015 gskinner.com, inc. | |
| * | |
| * Distributed under the terms of the MIT license. | |
| * http://www.opensource.org/licenses/mit-license.html | |
| * | |
| * This notice shall be included in all copies or substantial portions of the Software. | |
| */ | |
| /**! | |
| * SoundJS FlashAudioPlugin also includes swfobject (http://code.google.com/p/swfobject/) | |
| */ | |
| this.createjs=this.createjs||{},function(){var a=createjs.SoundJS=createjs.SoundJS||{};a.version="0.6.2",a.buildDate="Thu, 26 Nov 2015 20:44:31 GMT"}(),this.createjs=this.createjs||{},createjs.extend=function(a,b){"use strict";function c(){this.constructor=a}return c.prototype=b.prototype,a.prototype=new c},this.createjs=this.createjs||{},createjs.promote=function(a,b){"use strict";var c=a.prototype,d=Object.getPrototypeOf&&Object.getPrototypeOf(c)||c.__proto__;if(d){c[(b+="_")+"constructor"]=d.constructor;for(var e in d)c.hasOwnProperty(e)&&"function"==typeof d[e]&&(c[b+e]=d[e])}return a},this.createjs=this.createjs||{},createjs.indexOf=function(a,b){"use strict";for(var c=0,d=a.length;d>c;c++)if(b===a[c])return c;return-1},this.createjs=this.createjs||{},function(){"use strict";createjs.proxy=function(a,b){var c=Array.prototype.slice.call(arguments,2);return function(){return a.apply(b,Array.prototype.slice.call(arguments,0).concat(c))}}}(),this.createjs=this.createjs||{},function(){"use strict";function BrowserDetect(){throw"BrowserDetect cannot be instantiated"}var a=BrowserDetect.agent=window.navigator.userAgent;BrowserDetect.isWindowPhone=a.indexOf("IEMobile")>-1||a.indexOf("Windows Phone")>-1,BrowserDetect.isFirefox=a.indexOf("Firefox")>-1,BrowserDetect.isOpera=null!=window.opera,BrowserDetect.isChrome=a.indexOf("Chrome")>-1,BrowserDetect.isIOS=(a.indexOf("iPod")>-1||a.indexOf("iPhone")>-1||a.indexOf("iPad")>-1)&&!BrowserDetect.isWindowPhone,BrowserDetect.isAndroid=a.indexOf("Android")>-1&&!BrowserDetect.isWindowPhone,BrowserDetect.isBlackberry=a.indexOf("Blackberry")>-1,createjs.BrowserDetect=BrowserDetect}(),this.createjs=this.createjs||{},function(){"use strict";function EventDispatcher(){this._listeners=null,this._captureListeners=null}var 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XMLHttpRequest&&1==this._xhrLevel&&(c.Origin=location.origin),a.values&&a.method==createjs.AbstractLoader.POST&&(c["Content-Type"]="application/x-www-form-urlencoded"),b||c["X-Requested-With"]||(c["X-Requested-With"]="XMLHttpRequest"),a.headers)for(var j in a.headers)c[j]=a.headers[j];for(j in c)d.setRequestHeader(j,c[j]);return d instanceof XMLHttpRequest&&void 0!==a.withCredentials&&(d.withCredentials=a.withCredentials),this._request=d,!0},a._clean=function(){clearTimeout(this._loadTimeout),null!=this._request.removeEventListener?(this._request.removeEventListener("loadstart",this._handleLoadStartProxy),this._request.removeEventListener("progress",this._handleProgressProxy),this._request.removeEventListener("abort",this._handleAbortProxy),this._request.removeEventListener("error",this._handleErrorProxy),this._request.removeEventListener("timeout",this._handleTimeoutProxy),this._request.removeEventListener("load",this._handleLoadProxy),this._request.removeEventListener("readystatechange",this._handleReadyStateChangeProxy)):(this._request.onloadstart=null,this._request.onprogress=null,this._request.onabort=null,this._request.onerror=null,this._request.ontimeout=null,this._request.onload=null,this._request.onreadystatechange=null)},a.toString=function(){return"[PreloadJS XHRRequest]"},createjs.XHRRequest=createjs.promote(XHRRequest,"AbstractRequest")}(),this.createjs=this.createjs||{},function(){"use strict";function SoundLoader(a,b){this.AbstractMediaLoader_constructor(a,b,createjs.AbstractLoader.SOUND),createjs.RequestUtils.isAudioTag(a)?this._tag=a:createjs.RequestUtils.isAudioTag(a.src)?this._tag=a:createjs.RequestUtils.isAudioTag(a.tag)&&(this._tag=createjs.RequestUtils.isAudioTag(a)?a:a.src),null!=this._tag&&(this._preferXHR=!1)}var a=createjs.extend(SoundLoader,createjs.AbstractMediaLoader),b=SoundLoader;b.canLoadItem=function(a){return a.type==createjs.AbstractLoader.SOUND},a._createTag=function(a){var b=document.createElement("audio");return b.autoplay=!1,b.preload="none",b.src=a,b},createjs.SoundLoader=createjs.promote(SoundLoader,"AbstractMediaLoader")}(),this.createjs=this.createjs||{},function(){"use strict";var PlayPropsConfig=function(){this.interrupt=null,this.delay=null,this.offset=null,this.loop=null,this.volume=null,this.pan=null,this.startTime=null,this.duration=null},a=PlayPropsConfig.prototype={},b=PlayPropsConfig;b.create=function(a){if(a instanceof b||a instanceof Object){var c=new createjs.PlayPropsConfig;return c.set(a),c}throw new Error("Type not recognized.")},a.set=function(a){for(var b in a)this[b]=a[b];return this},a.toString=function(){return"[PlayPropsConfig]"},createjs.PlayPropsConfig=b}(),this.createjs=this.createjs||{},function(){"use strict";function Sound(){throw"Sound cannot be instantiated"}function a(a,b){this.init(a,b)}var b=Sound;b.INTERRUPT_ANY="any",b.INTERRUPT_EARLY="early",b.INTERRUPT_LATE="late",b.INTERRUPT_NONE="none",b.PLAY_INITED="playInited",b.PLAY_SUCCEEDED="playSucceeded",b.PLAY_INTERRUPTED="playInterrupted",b.PLAY_FINISHED="playFinished",b.PLAY_FAILED="playFailed",b.SUPPORTED_EXTENSIONS=["mp3","ogg","opus","mpeg","wav","m4a","mp4","aiff","wma","mid"],b.EXTENSION_MAP={m4a:"mp4"},b.FILE_PATTERN=/^(?:(\w+:)\/{2}(\w+(?:\.\w+)*\/?))?([\/.]*?(?:[^?]+)?\/)?((?:[^\/?]+)\.(\w+))(?:\?(\S+)?)?$/,b.defaultInterruptBehavior=b.INTERRUPT_NONE,b.alternateExtensions=[],b.activePlugin=null,b._masterVolume=1,Object.defineProperty(b,"volume",{get:function(){return this._masterVolume},set:function(a){if(null==Number(a))return!1;if(a=Math.max(0,Math.min(1,a)),b._masterVolume=a,!this.activePlugin||!this.activePlugin.setVolume||!this.activePlugin.setVolume(a))for(var c=this._instances,d=0,e=c.length;e>d;d++)c[d].setMasterVolume(a)}}),b._masterMute=!1,Object.defineProperty(b,"muted",{get:function(){return this._masterMute},set:function(a){if(null==a)return!1;if(this._masterMute=a,!this.activePlugin||!this.activePlugin.setMute||!this.activePlugin.setMute(a))for(var b=this._instances,c=0,d=b.length;d>c;c++)b[c].setMasterMute(a);return!0}}),Object.defineProperty(b,"capabilities",{get:function(){return null==b.activePlugin?null:b.activePlugin._capabilities},set:function(){return!1}}),b._pluginsRegistered=!1,b._lastID=0,b._instances=[],b._idHash={},b._preloadHash={},b._defaultPlayPropsHash={},b.addEventListener=null,b.removeEventListener=null,b.removeAllEventListeners=null,b.dispatchEvent=null,b.hasEventListener=null,b._listeners=null,createjs.EventDispatcher.initialize(b),b.getPreloadHandlers=function(){return{callback:createjs.proxy(b.initLoad,b),types:["sound"],extensions:b.SUPPORTED_EXTENSIONS}},b._handleLoadComplete=function(a){var c=a.target.getItem().src;if(b._preloadHash[c])for(var d=0,e=b._preloadHash[c].length;e>d;d++){var f=b._preloadHash[c][d];if(b._preloadHash[c][d]=!0,b.hasEventListener("fileload")){var a=new createjs.Event("fileload");a.src=f.src,a.id=f.id,a.data=f.data,a.sprite=f.sprite,b.dispatchEvent(a)}}},b._handleLoadError=function(a){var c=a.target.getItem().src;if(b._preloadHash[c])for(var d=0,e=b._preloadHash[c].length;e>d;d++){var f=b._preloadHash[c][d];if(b._preloadHash[c][d]=!1,b.hasEventListener("fileerror")){var a=new createjs.Event("fileerror");a.src=f.src,a.id=f.id,a.data=f.data,a.sprite=f.sprite,b.dispatchEvent(a)}}},b._registerPlugin=function(a){return a.isSupported()?(b.activePlugin=new a,!0):!1},b.registerPlugins=function(a){b._pluginsRegistered=!0;for(var c=0,d=a.length;d>c;c++)if(b._registerPlugin(a[c]))return!0;return!1},b.initializeDefaultPlugins=function(){return null!=b.activePlugin?!0:b._pluginsRegistered?!1:b.registerPlugins([createjs.WebAudioPlugin,createjs.HTMLAudioPlugin])?!0:!1},b.isReady=function(){return null!=b.activePlugin},b.getCapabilities=function(){return null==b.activePlugin?null:b.activePlugin._capabilities},b.getCapability=function(a){return null==b.activePlugin?null:b.activePlugin._capabilities[a]},b.initLoad=function(a){return b._registerSound(a)},b._registerSound=function(c){if(!b.initializeDefaultPlugins())return!1;var d;if(c.src instanceof Object?(d=b._parseSrc(c.src),d.src=c.path+d.src):d=b._parsePath(c.src),null==d)return!1;c.src=d.src,c.type="sound";var e=c.data,f=null;if(null!=e&&(isNaN(e.channels)?isNaN(e)||(f=parseInt(e)):f=parseInt(e.channels),e.audioSprite))for(var g,h=e.audioSprite.length;h--;)g=e.audioSprite[h],b._idHash[g.id]={src:c.src,startTime:parseInt(g.startTime),duration:parseInt(g.duration)},g.defaultPlayProps&&(b._defaultPlayPropsHash[g.id]=createjs.PlayPropsConfig.create(g.defaultPlayProps));null!=c.id&&(b._idHash[c.id]={src:c.src});var i=b.activePlugin.register(c);return a.create(c.src,f),null!=e&&isNaN(e)?c.data.channels=f||a.maxPerChannel():c.data=f||a.maxPerChannel(),i.type&&(c.type=i.type),c.defaultPlayProps&&(b._defaultPlayPropsHash[c.src]=createjs.PlayPropsConfig.create(c.defaultPlayProps)),i},b.registerSound=function(a,c,d,e,f){var g={src:a,id:c,data:d,defaultPlayProps:f};a instanceof Object&&a.src&&(e=c,g=a),g=createjs.LoadItem.create(g),g.path=e,null==e||g.src instanceof Object||(g.src=e+a);var h=b._registerSound(g);if(!h)return!1;if(b._preloadHash[g.src]||(b._preloadHash[g.src]=[]),b._preloadHash[g.src].push(g),1==b._preloadHash[g.src].length)h.on("complete",createjs.proxy(this._handleLoadComplete,this)),h.on("error",createjs.proxy(this._handleLoadError,this)),b.activePlugin.preload(h);else if(1==b._preloadHash[g.src][0])return!0;return g},b.registerSounds=function(a,b){var c=[];a.path&&(b?b+=a.path:b=a.path,a=a.manifest);for(var d=0,e=a.length;e>d;d++)c[d]=createjs.Sound.registerSound(a[d].src,a[d].id,a[d].data,b,a[d].defaultPlayProps);return c},b.removeSound=function(c,d){if(null==b.activePlugin)return!1;c instanceof Object&&c.src&&(c=c.src);var e;if(c instanceof Object?e=b._parseSrc(c):(c=b._getSrcById(c).src,e=b._parsePath(c)),null==e)return!1;c=e.src,null!=d&&(c=d+c);for(var f in b._idHash)b._idHash[f].src==c&&delete b._idHash[f];return a.removeSrc(c),delete b._preloadHash[c],b.activePlugin.removeSound(c),!0},b.removeSounds=function(a,b){var c=[];a.path&&(b?b+=a.path:b=a.path,a=a.manifest);for(var d=0,e=a.length;e>d;d++)c[d]=createjs.Sound.removeSound(a[d].src,b);return c},b.removeAllSounds=function(){b._idHash={},b._preloadHash={},a.removeAll(),b.activePlugin&&b.activePlugin.removeAllSounds()},b.loadComplete=function(a){if(!b.isReady())return!1;var c=b._parsePath(a);return a=c?b._getSrcById(c.src).src:b._getSrcById(a).src,void 0==b._preloadHash[a]?!1:1==b._preloadHash[a][0]},b._parsePath=function(a){"string"!=typeof a&&(a=a.toString());var c=a.match(b.FILE_PATTERN);if(null==c)return!1;for(var d=c[4],e=c[5],f=b.capabilities,g=0;!f[e];)if(e=b.alternateExtensions[g++],g>b.alternateExtensions.length)return null;a=a.replace("."+c[5],"."+e);var h={name:d,src:a,extension:e};return h},b._parseSrc=function(a){var c={name:void 0,src:void 0,extension:void 0},d=b.capabilities;for(var e in a)if(a.hasOwnProperty(e)&&d[e]){c.src=a[e],c.extension=e;break}if(!c.src)return!1;var f=c.src.lastIndexOf("/");return c.name=-1!=f?c.src.slice(f+1):c.src,c},b.play=function(a,c,d,e,f,g,h,i,j){var k;k=createjs.PlayPropsConfig.create(c instanceof Object||c instanceof createjs.PlayPropsConfig?c:{interrupt:c,delay:d,offset:e,loop:f,volume:g,pan:h,startTime:i,duration:j});var l=b.createInstance(a,k.startTime,k.duration),m=b._playInstance(l,k);return m||l._playFailed(),l},b.createInstance=function(c,d,e){if(!b.initializeDefaultPlugins())return new createjs.DefaultSoundInstance(c,d,e);var f=b._defaultPlayPropsHash[c];c=b._getSrcById(c);var g=b._parsePath(c.src),h=null; | |
| return null!=g&&null!=g.src?(a.create(g.src),null==d&&(d=c.startTime),h=b.activePlugin.create(g.src,d,e||c.duration),f=f||b._defaultPlayPropsHash[g.src],f&&h.applyPlayProps(f)):h=new createjs.DefaultSoundInstance(c,d,e),h.uniqueId=b._lastID++,h},b.stop=function(){for(var a=this._instances,b=a.length;b--;)a[b].stop()},b.setVolume=function(a){if(null==Number(a))return!1;if(a=Math.max(0,Math.min(1,a)),b._masterVolume=a,!this.activePlugin||!this.activePlugin.setVolume||!this.activePlugin.setVolume(a))for(var c=this._instances,d=0,e=c.length;e>d;d++)c[d].setMasterVolume(a)},b.getVolume=function(){return this._masterVolume},b.setMute=function(a){if(null==a)return!1;if(this._masterMute=a,!this.activePlugin||!this.activePlugin.setMute||!this.activePlugin.setMute(a))for(var b=this._instances,c=0,d=b.length;d>c;c++)b[c].setMasterMute(a);return!0},b.getMute=function(){return this._masterMute},b.setDefaultPlayProps=function(a,c){a=b._getSrcById(a),b._defaultPlayPropsHash[b._parsePath(a.src).src]=createjs.PlayPropsConfig.create(c)},b.getDefaultPlayProps=function(a){return a=b._getSrcById(a),b._defaultPlayPropsHash[b._parsePath(a.src).src]},b._playInstance=function(a,c){var d=b._defaultPlayPropsHash[a.src]||{};if(null==c.interrupt&&(c.interrupt=d.interrupt||b.defaultInterruptBehavior),null==c.delay&&(c.delay=d.delay||0),null==c.offset&&(c.offset=a.getPosition()),null==c.loop&&(c.loop=a.loop),null==c.volume&&(c.volume=a.volume),null==c.pan&&(c.pan=a.pan),0==c.delay){var e=b._beginPlaying(a,c);if(!e)return!1}else{var f=setTimeout(function(){b._beginPlaying(a,c)},c.delay);a.delayTimeoutId=f}return this._instances.push(a),!0},b._beginPlaying=function(b,c){if(!a.add(b,c.interrupt))return!1;var d=b._beginPlaying(c);if(!d){var e=createjs.indexOf(this._instances,b);return e>-1&&this._instances.splice(e,1),!1}return!0},b._getSrcById=function(a){return b._idHash[a]||{src:a}},b._playFinished=function(b){a.remove(b);var c=createjs.indexOf(this._instances,b);c>-1&&this._instances.splice(c,1)},createjs.Sound=Sound,a.channels={},a.create=function(b,c){var d=a.get(b);return null==d?(a.channels[b]=new a(b,c),!0):!1},a.removeSrc=function(b){var c=a.get(b);return null==c?!1:(c._removeAll(),delete a.channels[b],!0)},a.removeAll=function(){for(var b in a.channels)a.channels[b]._removeAll();a.channels={}},a.add=function(b,c){var d=a.get(b.src);return null==d?!1:d._add(b,c)},a.remove=function(b){var c=a.get(b.src);return null==c?!1:(c._remove(b),!0)},a.maxPerChannel=function(){return c.maxDefault},a.get=function(b){return a.channels[b]};var c=a.prototype;c.constructor=a,c.src=null,c.max=null,c.maxDefault=100,c.length=0,c.init=function(a,b){this.src=a,this.max=b||this.maxDefault,-1==this.max&&(this.max=this.maxDefault),this._instances=[]},c._get=function(a){return this._instances[a]},c._add=function(a,b){return this._getSlot(b,a)?(this._instances.push(a),this.length++,!0):!1},c._remove=function(a){var b=createjs.indexOf(this._instances,a);return-1==b?!1:(this._instances.splice(b,1),this.length--,!0)},c._removeAll=function(){for(var a=this.length-1;a>=0;a--)this._instances[a].stop()},c._getSlot=function(a){var b,c;if(a!=Sound.INTERRUPT_NONE&&(c=this._get(0),null==c))return!0;for(var d=0,e=this.max;e>d;d++){if(b=this._get(d),null==b)return!0;if(b.playState==Sound.PLAY_FINISHED||b.playState==Sound.PLAY_INTERRUPTED||b.playState==Sound.PLAY_FAILED){c=b;break}a!=Sound.INTERRUPT_NONE&&(a==Sound.INTERRUPT_EARLY&&b.getPosition()<c.getPosition()||a==Sound.INTERRUPT_LATE&&b.getPosition()>c.getPosition())&&(c=b)}return null!=c?(c._interrupt(),this._remove(c),!0):!1},c.toString=function(){return"[Sound SoundChannel]"}}(),this.createjs=this.createjs||{},function(){"use strict";var AbstractSoundInstance=function(a,b,c,d){this.EventDispatcher_constructor(),this.src=a,this.uniqueId=-1,this.playState=null,this.delayTimeoutId=null,this._volume=1,Object.defineProperty(this,"volume",{get:this.getVolume,set:this.setVolume}),this._pan=0,Object.defineProperty(this,"pan",{get:this.getPan,set:this.setPan}),this._startTime=Math.max(0,b||0),Object.defineProperty(this,"startTime",{get:this.getStartTime,set:this.setStartTime}),this._duration=Math.max(0,c||0),Object.defineProperty(this,"duration",{get:this.getDuration,set:this.setDuration}),this._playbackResource=null,Object.defineProperty(this,"playbackResource",{get:this.getPlaybackResource,set:this.setPlaybackResource}),d!==!1&&d!==!0&&this.setPlaybackResource(d),this._position=0,Object.defineProperty(this,"position",{get:this.getPosition,set:this.setPosition}),this._loop=0,Object.defineProperty(this,"loop",{get:this.getLoop,set:this.setLoop}),this._muted=!1,Object.defineProperty(this,"muted",{get:this.getMuted,set:this.setMuted}),this._paused=!1,Object.defineProperty(this,"paused",{get:this.getPaused,set:this.setPaused})},a=createjs.extend(AbstractSoundInstance,createjs.EventDispatcher);a.play=function(a,b,c,d,e,f){var g;return g=createjs.PlayPropsConfig.create(a instanceof Object||a instanceof createjs.PlayPropsConfig?a:{interrupt:a,delay:b,offset:c,loop:d,volume:e,pan:f}),this.playState==createjs.Sound.PLAY_SUCCEEDED?(this.applyPlayProps(g),void(this._paused&&this.setPaused(!1))):(this._cleanUp(),createjs.Sound._playInstance(this,g),this)},a.stop=function(){return this._position=0,this._paused=!1,this._handleStop(),this._cleanUp(),this.playState=createjs.Sound.PLAY_FINISHED,this},a.destroy=function(){this._cleanUp(),this.src=null,this.playbackResource=null,this.removeAllEventListeners()},a.applyPlayProps=function(a){return null!=a.offset&&this.setPosition(a.offset),null!=a.loop&&this.setLoop(a.loop),null!=a.volume&&this.setVolume(a.volume),null!=a.pan&&this.setPan(a.pan),null!=a.startTime&&(this.setStartTime(a.startTime),this.setDuration(a.duration)),this},a.toString=function(){return"[AbstractSoundInstance]"},a.getPaused=function(){return this._paused},a.setPaused=function(a){return a!==!0&&a!==!1||this._paused==a||1==a&&this.playState!=createjs.Sound.PLAY_SUCCEEDED?void 0:(this._paused=a,a?this._pause():this._resume(),clearTimeout(this.delayTimeoutId),this)},a.setVolume=function(a){return a==this._volume?this:(this._volume=Math.max(0,Math.min(1,a)),this._muted||this._updateVolume(),this)},a.getVolume=function(){return this._volume},a.setMuted=function(a){return a===!0||a===!1?(this._muted=a,this._updateVolume(),this):void 0},a.getMuted=function(){return this._muted},a.setPan=function(a){return a==this._pan?this:(this._pan=Math.max(-1,Math.min(1,a)),this._updatePan(),this)},a.getPan=function(){return this._pan},a.getPosition=function(){return this._paused||this.playState!=createjs.Sound.PLAY_SUCCEEDED||(this._position=this._calculateCurrentPosition()),this._position},a.setPosition=function(a){return this._position=Math.max(0,a),this.playState==createjs.Sound.PLAY_SUCCEEDED&&this._updatePosition(),this},a.getStartTime=function(){return this._startTime},a.setStartTime=function(a){return a==this._startTime?this:(this._startTime=Math.max(0,a||0),this._updateStartTime(),this)},a.getDuration=function(){return this._duration},a.setDuration=function(a){return a==this._duration?this:(this._duration=Math.max(0,a||0),this._updateDuration(),this)},a.setPlaybackResource=function(a){return this._playbackResource=a,0==this._duration&&this._setDurationFromSource(),this},a.getPlaybackResource=function(){return this._playbackResource},a.getLoop=function(){return this._loop},a.setLoop=function(a){null!=this._playbackResource&&(0!=this._loop&&0==a?this._removeLooping(a):0==this._loop&&0!=a&&this._addLooping(a)),this._loop=a},a._sendEvent=function(a){var b=new createjs.Event(a);this.dispatchEvent(b)},a._cleanUp=function(){clearTimeout(this.delayTimeoutId),this._handleCleanUp(),this._paused=!1,createjs.Sound._playFinished(this)},a._interrupt=function(){this._cleanUp(),this.playState=createjs.Sound.PLAY_INTERRUPTED,this._sendEvent("interrupted")},a._beginPlaying=function(a){return this.setPosition(a.offset),this.setLoop(a.loop),this.setVolume(a.volume),this.setPan(a.pan),null!=a.startTime&&(this.setStartTime(a.startTime),this.setDuration(a.duration)),null!=this._playbackResource&&this._position<this._duration?(this._paused=!1,this._handleSoundReady(),this.playState=createjs.Sound.PLAY_SUCCEEDED,this._sendEvent("succeeded"),!0):(this._playFailed(),!1)},a._playFailed=function(){this._cleanUp(),this.playState=createjs.Sound.PLAY_FAILED,this._sendEvent("failed")},a._handleSoundComplete=function(){return this._position=0,0!=this._loop?(this._loop--,this._handleLoop(),void this._sendEvent("loop")):(this._cleanUp(),this.playState=createjs.Sound.PLAY_FINISHED,void this._sendEvent("complete"))},a._handleSoundReady=function(){},a._updateVolume=function(){},a._updatePan=function(){},a._updateStartTime=function(){},a._updateDuration=function(){},a._setDurationFromSource=function(){},a._calculateCurrentPosition=function(){},a._updatePosition=function(){},a._removeLooping=function(){},a._addLooping=function(){},a._pause=function(){},a._resume=function(){},a._handleStop=function(){},a._handleCleanUp=function(){},a._handleLoop=function(){},createjs.AbstractSoundInstance=createjs.promote(AbstractSoundInstance,"EventDispatcher"),createjs.DefaultSoundInstance=createjs.AbstractSoundInstance}(),this.createjs=this.createjs||{},function(){"use strict";var AbstractPlugin=function(){this._capabilities=null,this._loaders={},this._audioSources={},this._soundInstances={},this._volume=1,this._loaderClass,this._soundInstanceClass},a=AbstractPlugin.prototype;AbstractPlugin._capabilities=null,AbstractPlugin.isSupported=function(){return!0},a.register=function(a){var b=this._loaders[a.src];return b&&!b.canceled?this._loaders[a.src]:(this._audioSources[a.src]=!0,this._soundInstances[a.src]=[],b=new this._loaderClass(a),b.on("complete",this._handlePreloadComplete,this),this._loaders[a.src]=b,b)},a.preload=function(a){a.on("error",this._handlePreloadError,this),a.load()},a.isPreloadStarted=function(a){return null!=this._audioSources[a]},a.isPreloadComplete=function(a){return!(null==this._audioSources[a]||1==this._audioSources[a])},a.removeSound=function(a){if(this._soundInstances[a]){for(var b=this._soundInstances[a].length;b--;){var c=this._soundInstances[a][b];c.destroy()}delete this._soundInstances[a],delete this._audioSources[a],this._loaders[a]&&this._loaders[a].destroy(),delete this._loaders[a]}},a.removeAllSounds=function(){for(var a in this._audioSources)this.removeSound(a)},a.create=function(a,b,c){this.isPreloadStarted(a)||this.preload(this.register(a));var d=new this._soundInstanceClass(a,b,c,this._audioSources[a]);return this._soundInstances[a].push(d),d},a.setVolume=function(a){return this._volume=a,this._updateVolume(),!0},a.getVolume=function(){return this._volume},a.setMute=function(){return this._updateVolume(),!0},a.toString=function(){return"[AbstractPlugin]"},a._handlePreloadComplete=function(a){var b=a.target.getItem().src;this._audioSources[b]=a.result;for(var c=0,d=this._soundInstances[b].length;d>c;c++){var e=this._soundInstances[b][c];e.setPlaybackResource(this._audioSources[b])}},a._handlePreloadError=function(){},a._updateVolume=function(){},createjs.AbstractPlugin=AbstractPlugin}(),this.createjs=this.createjs||{},function(){"use strict";function a(a){this.AbstractLoader_constructor(a,!0,createjs.AbstractLoader.SOUND)}var b=createjs.extend(a,createjs.AbstractLoader);a.context=null,b.toString=function(){return"[WebAudioLoader]"},b._createRequest=function(){this._request=new createjs.XHRRequest(this._item,!1),this._request.setResponseType("arraybuffer")},b._sendComplete=function(){a.context.decodeAudioData(this._rawResult,createjs.proxy(this._handleAudioDecoded,this),createjs.proxy(this._sendError,this))},b._handleAudioDecoded=function(a){this._result=a,this.AbstractLoader__sendComplete()},createjs.WebAudioLoader=createjs.promote(a,"AbstractLoader")}(),this.createjs=this.createjs||{},function(){"use strict";function WebAudioSoundInstance(a,c,d,e){this.AbstractSoundInstance_constructor(a,c,d,e),this.gainNode=b.context.createGain(),this.panNode=b.context.createPanner(),this.panNode.panningModel=b._panningModel,this.panNode.connect(this.gainNode),this._updatePan(),this.sourceNode=null,this._soundCompleteTimeout=null,this._sourceNodeNext=null,this._playbackStartTime=0,this._endedHandler=createjs.proxy(this._handleSoundComplete,this)}var a=createjs.extend(WebAudioSoundInstance,createjs.AbstractSoundInstance),b=WebAudioSoundInstance;b.context=null,b._scratchBuffer=null,b.destinationNode=null,b._panningModel="equalpower",a.destroy=function(){this.AbstractSoundInstance_destroy(),this.panNode.disconnect(0),this.panNode=null,this.gainNode.disconnect(0),this.gainNode=null},a.toString=function(){return"[WebAudioSoundInstance]"},a._updatePan=function(){this.panNode.setPosition(this._pan,0,-.5)},a._removeLooping=function(){this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext)},a._addLooping=function(){this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._sourceNodeNext=this._createAndPlayAudioNode(this._playbackStartTime,0))},a._setDurationFromSource=function(){this._duration=1e3*this.playbackResource.duration},a._handleCleanUp=function(){this.sourceNode&&this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this.sourceNode=this._cleanUpAudioNode(this.sourceNode),this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext)),this.gainNode&&0!=this.gainNode.numberOfOutputs&&this.gainNode.disconnect(0),clearTimeout(this._soundCompleteTimeout),this._playbackStartTime=0},a._cleanUpAudioNode=function(a){if(a){a.stop(0),a.disconnect(0);try{a.buffer=b._scratchBuffer}catch(c){}a=null}return a},a._handleSoundReady=function(){this.gainNode.connect(b.destinationNode);var a=.001*this._duration,c=.001*this._position;c>a&&(c=a),this.sourceNode=this._createAndPlayAudioNode(b.context.currentTime-a,c),this._playbackStartTime=this.sourceNode.startTime-c,this._soundCompleteTimeout=setTimeout(this._endedHandler,1e3*(a-c)),0!=this._loop&&(this._sourceNodeNext=this._createAndPlayAudioNode(this._playbackStartTime,0))},a._createAndPlayAudioNode=function(a,c){var d=b.context.createBufferSource();d.buffer=this.playbackResource,d.connect(this.panNode);var e=.001*this._duration;return d.startTime=a+e,d.start(d.startTime,c+.001*this._startTime,e-c),d},a._pause=function(){this._position=1e3*(b.context.currentTime-this._playbackStartTime),this.sourceNode=this._cleanUpAudioNode(this.sourceNode),this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext),this.gainNode&&0!=this.gainNode.numberOfOutputs&&this.gainNode.disconnect(0),clearTimeout(this._soundCompleteTimeout)},a._resume=function(){this._handleSoundReady()},a._updateVolume=function(){var a=this._muted?0:this._volume;a!=this.gainNode.gain.value&&(this.gainNode.gain.value=a)},a._calculateCurrentPosition=function(){return 1e3*(b.context.currentTime-this._playbackStartTime)},a._updatePosition=function(){this.sourceNode=this._cleanUpAudioNode(this.sourceNode),this._sourceNodeNext=this._cleanUpAudioNode(this._sourceNodeNext),clearTimeout(this._soundCompleteTimeout),this._paused||this._handleSoundReady()},a._handleLoop=function(){this._cleanUpAudioNode(this.sourceNode),this.sourceNode=this._sourceNodeNext,this._playbackStartTime=this.sourceNode.startTime,this._sourceNodeNext=this._createAndPlayAudioNode(this._playbackStartTime,0),this._soundCompleteTimeout=setTimeout(this._endedHandler,this._duration)},a._updateDuration=function(){this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._pause(),this._resume())},createjs.WebAudioSoundInstance=createjs.promote(WebAudioSoundInstance,"AbstractSoundInstance")}(),this.createjs=this.createjs||{},function(){"use strict";function WebAudioPlugin(){this.AbstractPlugin_constructor(),this._panningModel=b._panningModel,this.context=b.context,this.dynamicsCompressorNode=this.context.createDynamicsCompressor(),this.dynamicsCompressorNode.connect(this.context.destination),this.gainNode=this.context.createGain(),this.gainNode.connect(this.dynamicsCompressorNode),createjs.WebAudioSoundInstance.destinationNode=this.gainNode,this._capabilities=b._capabilities,this._loaderClass=createjs.WebAudioLoader,this._soundInstanceClass=createjs.WebAudioSoundInstance,this._addPropsToClasses()}var a=createjs.extend(WebAudioPlugin,createjs.AbstractPlugin),b=WebAudioPlugin;b._capabilities=null,b._panningModel="equalpower",b.context=null,b._scratchBuffer=null,b._unlocked=!1,b.isSupported=function(){var a=createjs.BrowserDetect.isIOS||createjs.BrowserDetect.isAndroid||createjs.BrowserDetect.isBlackberry;return"file:"!=location.protocol||a||this._isFileXHRSupported()?(b._generateCapabilities(),null==b.context?!1:!0):!1},b.playEmptySound=function(){if(null!=b.context){var a=b.context.createBufferSource();a.buffer=b._scratchBuffer,a.connect(b.context.destination),a.start(0,0,0)}},b._isFileXHRSupported=function(){var a=!0,b=new XMLHttpRequest;try{b.open("GET","WebAudioPluginTest.fail",!1)}catch(c){return a=!1}b.onerror=function(){a=!1},b.onload=function(){a=404==this.status||200==this.status||0==this.status&&""!=this.response};try{b.send()}catch(c){a=!1}return a},b._generateCapabilities=function(){if(null==b._capabilities){var a=document.createElement("audio");if(null==a.canPlayType)return null;if(null==b.context)if(window.AudioContext)b.context=new AudioContext;else{if(!window.webkitAudioContext)return null;b.context=new webkitAudioContext}null==b._scratchBuffer&&(b._scratchBuffer=b.context.createBuffer(1,1,22050)),b._compatibilitySetUp(),"ontouchstart"in window&&"running"!=b.context.state&&(b._unlock(),document.addEventListener("mousedown",b._unlock,!0),document.addEventListener("touchend",b._unlock,!0)),b._capabilities={panning:!0,volume:!0,tracks:-1};for(var c=createjs.Sound.SUPPORTED_EXTENSIONS,d=createjs.Sound.EXTENSION_MAP,e=0,f=c.length;f>e;e++){var g=c[e],h=d[g]||g;b._capabilities[g]="no"!=a.canPlayType("audio/"+g)&&""!=a.canPlayType("audio/"+g)||"no"!=a.canPlayType("audio/"+h)&&""!=a.canPlayType("audio/"+h)}b.context.destination.numberOfChannels<2&&(b._capabilities.panning=!1)}},b._compatibilitySetUp=function(){if(b._panningModel="equalpower",!b.context.createGain){b.context.createGain=b.context.createGainNode;var a=b.context.createBufferSource();a.__proto__.start=a.__proto__.noteGrainOn,a.__proto__.stop=a.__proto__.noteOff,b._panningModel=0}},b._unlock=function(){b._unlocked||(b.playEmptySound(),"running"==b.context.state&&(document.removeEventListener("mousedown",b._unlock,!0),document.removeEventListener("touchend",b._unlock,!0),b._unlocked=!0))},a.toString=function(){return"[WebAudioPlugin]"},a._addPropsToClasses=function(){var a=this._soundInstanceClass;a.context=this.context,a._scratchBuffer=b._scratchBuffer,a.destinationNode=this.gainNode,a._panningModel=this._panningModel,this._loaderClass.context=this.context},a._updateVolume=function(){var a=createjs.Sound._masterMute?0:this._volume;a!=this.gainNode.gain.value&&(this.gainNode.gain.value=a)},createjs.WebAudioPlugin=createjs.promote(WebAudioPlugin,"AbstractPlugin")}(),this.createjs=this.createjs||{},function(){"use strict";function HTMLAudioTagPool(){throw"HTMLAudioTagPool cannot be instantiated"}function a(){this._tags=[]}var b=HTMLAudioTagPool;b._tags={},b._tagPool=new a,b._tagUsed={},b.get=function(a){var c=b._tags[a];return null==c?(c=b._tags[a]=b._tagPool.get(),c.src=a):b._tagUsed[a]?(c=b._tagPool.get(),c.src=a):b._tagUsed[a]=!0,c},b.set=function(a,c){c==b._tags[a]?b._tagUsed[a]=!1:b._tagPool.set(c)},b.remove=function(a){var c=b._tags[a];return null==c?!1:(b._tagPool.set(c),delete b._tags[a],delete b._tagUsed[a],!0)},b.getDuration=function(a){var c=b._tags[a];return null!=c&&c.duration?1e3*c.duration:0},createjs.HTMLAudioTagPool=HTMLAudioTagPool;var c=a.prototype;c.constructor=a,c.get=function(){var a;return a=0==this._tags.length?this._createTag():this._tags.pop(),null==a.parentNode&&document.body.appendChild(a),a},c.set=function(a){var b=createjs.indexOf(this._tags,a);-1==b&&(this._tags.src=null,this._tags.push(a))},c.toString=function(){return"[TagPool]"},c._createTag=function(){var a=document.createElement("audio");return a.autoplay=!1,a.preload="none",a}}(),this.createjs=this.createjs||{},function(){"use strict";function HTMLAudioSoundInstance(a,b,c,d){this.AbstractSoundInstance_constructor(a,b,c,d),this._audioSpriteStopTime=null,this._delayTimeoutId=null,this._endedHandler=createjs.proxy(this._handleSoundComplete,this),this._readyHandler=createjs.proxy(this._handleTagReady,this),this._stalledHandler=createjs.proxy(this._playFailed,this),this._audioSpriteEndHandler=createjs.proxy(this._handleAudioSpriteLoop,this),this._loopHandler=createjs.proxy(this._handleSoundComplete,this),c?this._audioSpriteStopTime=.001*(b+c):this._duration=createjs.HTMLAudioTagPool.getDuration(this.src)}var a=createjs.extend(HTMLAudioSoundInstance,createjs.AbstractSoundInstance);a.setMasterVolume=function(){this._updateVolume()},a.setMasterMute=function(){this._updateVolume()},a.toString=function(){return"[HTMLAudioSoundInstance]"},a._removeLooping=function(){null!=this._playbackResource&&(this._playbackResource.loop=!1,this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1))},a._addLooping=function(){null==this._playbackResource||this._audioSpriteStopTime||(this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),this._playbackResource.loop=!0)},a._handleCleanUp=function(){var a=this._playbackResource;if(null!=a){a.pause(),a.loop=!1,a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_READY,this._readyHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_STALLED,this._stalledHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),a.removeEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1);try{a.currentTime=this._startTime}catch(b){}createjs.HTMLAudioTagPool.set(this.src,a),this._playbackResource=null}},a._beginPlaying=function(a){return this._playbackResource=createjs.HTMLAudioTagPool.get(this.src),this.AbstractSoundInstance__beginPlaying(a)},a._handleSoundReady=function(){if(4!==this._playbackResource.readyState){var a=this._playbackResource;return a.addEventListener(createjs.HTMLAudioPlugin._AUDIO_READY,this._readyHandler,!1),a.addEventListener(createjs.HTMLAudioPlugin._AUDIO_STALLED,this._stalledHandler,!1),a.preload="auto",void a.load()}this._updateVolume(),this._playbackResource.currentTime=.001*(this._startTime+this._position),this._audioSpriteStopTime?this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1):(this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),0!=this._loop&&(this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),this._playbackResource.loop=!0)),this._playbackResource.play()},a._handleTagReady=function(){this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_READY,this._readyHandler,!1),this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_STALLED,this._stalledHandler,!1),this._handleSoundReady()},a._pause=function(){this._playbackResource.pause()},a._resume=function(){this._playbackResource.play()},a._updateVolume=function(){if(null!=this._playbackResource){var a=this._muted||createjs.Sound._masterMute?0:this._volume*createjs.Sound._masterVolume;a!=this._playbackResource.volume&&(this._playbackResource.volume=a)}},a._calculateCurrentPosition=function(){return 1e3*this._playbackResource.currentTime-this._startTime},a._updatePosition=function(){this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._handleSetPositionSeek,!1);try{this._playbackResource.currentTime=.001*(this._position+this._startTime)}catch(a){this._handleSetPositionSeek(null)}},a._handleSetPositionSeek=function(){null!=this._playbackResource&&(this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._handleSetPositionSeek,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1))},a._handleAudioSpriteLoop=function(){this._playbackResource.currentTime<=this._audioSpriteStopTime||(this._playbackResource.pause(),0==this._loop?this._handleSoundComplete(null):(this._position=0,this._loop--,this._playbackResource.currentTime=.001*this._startTime,this._paused||this._playbackResource.play(),this._sendEvent("loop")))},a._handleLoop=function(){0==this._loop&&(this._playbackResource.loop=!1,this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_SEEKED,this._loopHandler,!1))},a._updateStartTime=function(){this._audioSpriteStopTime=.001*(this._startTime+this._duration),this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1))},a._updateDuration=function(){this._audioSpriteStopTime=.001*(this._startTime+this._duration),this.playState==createjs.Sound.PLAY_SUCCEEDED&&(this._playbackResource.removeEventListener(createjs.HTMLAudioPlugin._AUDIO_ENDED,this._endedHandler,!1),this._playbackResource.addEventListener(createjs.HTMLAudioPlugin._TIME_UPDATE,this._audioSpriteEndHandler,!1))},a._setDurationFromSource=function(){this._duration=createjs.HTMLAudioTagPool.getDuration(this.src),this._playbackResource=null},createjs.HTMLAudioSoundInstance=createjs.promote(HTMLAudioSoundInstance,"AbstractSoundInstance")}(),this.createjs=this.createjs||{},function(){"use strict";function HTMLAudioPlugin(){this.AbstractPlugin_constructor(),this.defaultNumChannels=2,this._capabilities=b._capabilities,this._loaderClass=createjs.SoundLoader,this._soundInstanceClass=createjs.HTMLAudioSoundInstance}var a=createjs.extend(HTMLAudioPlugin,createjs.AbstractPlugin),b=HTMLAudioPlugin;b.MAX_INSTANCES=30,b._AUDIO_READY="canplaythrough",b._AUDIO_ENDED="ended",b._AUDIO_SEEKED="seeked",b._AUDIO_STALLED="stalled",b._TIME_UPDATE="timeupdate",b._capabilities=null,b.isSupported=function(){return b._generateCapabilities(),null!=b._capabilities},b._generateCapabilities=function(){if(null==b._capabilities){var a=document.createElement("audio");if(null==a.canPlayType)return null;b._capabilities={panning:!1,volume:!0,tracks:-1};for(var c=createjs.Sound.SUPPORTED_EXTENSIONS,d=createjs.Sound.EXTENSION_MAP,e=0,f=c.length;f>e;e++){var g=c[e],h=d[g]||g;b._capabilities[g]="no"!=a.canPlayType("audio/"+g)&&""!=a.canPlayType("audio/"+g)||"no"!=a.canPlayType("audio/"+h)&&""!=a.canPlayType("audio/"+h)}}},a.register=function(a){var b=createjs.HTMLAudioTagPool.get(a.src),c=this.AbstractPlugin_register(a);return c.setTag(b),c},a.removeSound=function(a){this.AbstractPlugin_removeSound(a),createjs.HTMLAudioTagPool.remove(a)},a.create=function(a,b,c){var d=this.AbstractPlugin_create(a,b,c);return d.setPlaybackResource(null),d},a.toString=function(){return"[HTMLAudioPlugin]"},a.setVolume=a.getVolume=a.setMute=null,createjs.HTMLAudioPlugin=createjs.promote(HTMLAudioPlugin,"AbstractPlugin")}(); | |
| } else { | |
| // If this library already exists, we're in JFE on some page after the | |
| // the first. Normal operation involves attaching an event listener to the | |
| // global (and, under JFE, persistent) createjs object. If we add that | |
| // listener repeatedly on every page, we get a bunch of audio playing at | |
| // once. | |
| this.createjs.Sound.removeAllEventListeners(); | |
| // Also, don't re-instantiate the library, because that uses up hardware- | |
| // limited "contexts". Related to this error: | |
| // Failed to construct 'AudioContext': The number of hardware contexts | |
| // provided (6) is greater than or equal to the maximum bound (6). | |
| } | |
| if (typeof swfobject === 'undefined') { | |
| /*! | |
| * @license SoundJS | |
| * Visit http://createjs.com/ for documentation, updates and examples. | |
| * | |
| * Copyright (c) 2011-2013 gskinner.com, inc. | |
| * | |
| * Distributed under the terms of the MIT license. | |
| * http://www.opensource.org/licenses/mit-license.html | |
| * | |
| * This notice shall be included in all copies or substantial portions of the Software. | |
| */ | |
| /**! | |
| * SoundJS FlashPlugin also includes swfobject (http://code.google.com/p/swfobject/) | |
| */ | |
| /*! SWFObject v2.2 <http://code.google.com/p/swfobject/> | |
| is released under the MIT License <http://www.opensource.org/licenses/mit-license.php> | |
| */ | |
| var swfobject=function(){function a(){if(!R){try{var a=K.getElementsByTagName("body")[0].appendChild(q("span"));a.parentNode.removeChild(a)}catch(b){return}R=!0;for(var c=N.length,d=0;c>d;d++)N[d]()}}function b(a){R?a():N[N.length]=a}function c(a){if(typeof J.addEventListener!=C)J.addEventListener("load",a,!1);else if(typeof K.addEventListener!=C)K.addEventListener("load",a,!1);else if(typeof J.attachEvent!=C)r(J,"onload",a);else if("function"==typeof J.onload){var b=J.onload;J.onload=function(){b(),a()}}else J.onload=a}function d(){M?e():f()}function e(){var a=K.getElementsByTagName("body")[0],b=q(D);b.setAttribute("type",G);var c=a.appendChild(b);if(c){var d=0;!function(){if(typeof c.GetVariable!=C){var e=c.GetVariable("$version");e&&(e=e.split(" ")[1].split(","),U.pv=[parseInt(e[0],10),parseInt(e[1],10),parseInt(e[2],10)])}else if(10>d)return d++,setTimeout(arguments.callee,10),void 0;a.removeChild(b),c=null,f()}()}else f()}function f(){var a=O.length;if(a>0)for(var b=0;a>b;b++){var c=O[b].id,d=O[b].callbackFn,e={success:!1,id:c};if(U.pv[0]>0){var f=p(c);if(f)if(!s(O[b].swfVersion)||U.wk&&U.wk<312)if(O[b].expressInstall&&h()){var k={};k.data=O[b].expressInstall,k.width=f.getAttribute("width")||"0",k.height=f.getAttribute("height")||"0",f.getAttribute("class")&&(k.styleclass=f.getAttribute("class")),f.getAttribute("align")&&(k.align=f.getAttribute("align"));for(var l={},m=f.getElementsByTagName("param"),n=m.length,o=0;n>o;o++)"movie"!=m[o].getAttribute("name").toLowerCase()&&(l[m[o].getAttribute("name")]=m[o].getAttribute("value"));i(k,l,c,d)}else j(f),d&&d(e);else u(c,!0),d&&(e.success=!0,e.ref=g(c),d(e))}else if(u(c,!0),d){var q=g(c);q&&typeof q.SetVariable!=C&&(e.success=!0,e.ref=q),d(e)}}}function g(a){var b=null,c=p(a);if(c&&"OBJECT"==c.nodeName)if(typeof c.SetVariable!=C)b=c;else{var d=c.getElementsByTagName(D)[0];d&&(b=d)}return b}function h(){return!S&&s("6.0.65")&&(U.win||U.mac)&&!(U.wk&&U.wk<312)}function i(a,b,c,d){S=!0,y=d||null,z={success:!1,id:c};var e=p(c);if(e){"OBJECT"==e.nodeName?(w=k(e),x=null):(w=e,x=c),a.id=H,(typeof a.width==C||!/%$/.test(a.width)&&parseInt(a.width,10)<310)&&(a.width="310"),(typeof a.height==C||!/%$/.test(a.height)&&parseInt(a.height,10)<137)&&(a.height="137"),K.title=K.title.slice(0,47)+" - Flash Player Installation";var f=U.ie&&U.win?"ActiveX":"PlugIn",g="MMredirectURL="+encodeURI(window.location).toString().replace(/&/g,"%26")+"&MMplayerType="+f+"&MMdoctitle="+K.title;if(typeof b.flashvars!=C?b.flashvars+="&"+g:b.flashvars=g,U.ie&&U.win&&4!=e.readyState){var h=q("div");c+="SWFObjectNew",h.setAttribute("id",c),e.parentNode.insertBefore(h,e),e.style.display="none",function(){4==e.readyState?e.parentNode.removeChild(e):setTimeout(arguments.callee,10)}()}l(a,b,c)}}function j(a){if(U.ie&&U.win&&4!=a.readyState){var b=q("div");a.parentNode.insertBefore(b,a),b.parentNode.replaceChild(k(a),b),a.style.display="none",function(){4==a.readyState?a.parentNode.removeChild(a):setTimeout(arguments.callee,10)}()}else a.parentNode.replaceChild(k(a),a)}function k(a){var b=q("div");if(U.win&&U.ie)b.innerHTML=a.innerHTML;else{var c=a.getElementsByTagName(D)[0];if(c){var d=c.childNodes;if(d)for(var e=d.length,f=0;e>f;f++)1==d[f].nodeType&&"PARAM"==d[f].nodeName||8==d[f].nodeType||b.appendChild(d[f].cloneNode(!0))}}return b}function l(a,b,c){var d,e=p(c);if(U.wk&&U.wk<312)return d;if(e)if(typeof a.id==C&&(a.id=c),U.ie&&U.win){var f="";for(var g in a)a[g]!=Object.prototype[g]&&("data"==g.toLowerCase()?b.movie=a[g]:"styleclass"==g.toLowerCase()?f+=' class="'+a[g]+'"':"classid"!=g.toLowerCase()&&(f+=" "+g+'="'+a[g]+'"'));var h="";for(var i in b)b[i]!=Object.prototype[i]&&(h+='<param name="'+i+'" value="'+b[i]+'" />');e.outerHTML='<object 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s(a){var b=U.pv,c=a.split(".");return c[0]=parseInt(c[0],10),c[1]=parseInt(c[1],10)||0,c[2]=parseInt(c[2],10)||0,b[0]>c[0]||b[0]==c[0]&&b[1]>c[1]||b[0]==c[0]&&b[1]==c[1]&&b[2]>=c[2]?!0:!1}function t(a,b,c,d){if(!U.ie||!U.mac){var e=K.getElementsByTagName("head")[0];if(e){var f=c&&"string"==typeof c?c:"screen";if(d&&(A=null,B=null),!A||B!=f){var g=q("style");g.setAttribute("type","text/css"),g.setAttribute("media",f),A=e.appendChild(g),U.ie&&U.win&&typeof K.styleSheets!=C&&K.styleSheets.length>0&&(A=K.styleSheets[K.styleSheets.length-1]),B=f}U.ie&&U.win?A&&typeof A.addRule==D&&A.addRule(a,b):A&&typeof K.createTextNode!=C&&A.appendChild(K.createTextNode(a+" {"+b+"}"))}}}function u(a,b){if(T){var c=b?"visible":"hidden";R&&p(a)?p(a).style.visibility=c:t("#"+a,"visibility:"+c)}}function v(a){var b=/[\\\"<>\.;]/,c=null!=b.exec(a);return c&&typeof encodeURIComponent!=C?encodeURIComponent(a):a}var w,x,y,z,A,B,C="undefined",D="object",E="Shockwave 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U)U[e]=null;U=null;for(var f in swfobject)swfobject[f]=null;swfobject=null})}(),{registerObject:function(a,b,c,d){if(U.w3&&a&&b){var e={};e.id=a,e.swfVersion=b,e.expressInstall=c,e.callbackFn=d,O[O.length]=e,u(a,!1)}else d&&d({success:!1,id:a})},getObjectById:function(a){return U.w3?g(a):void 0},embedSWF:function(a,c,d,e,f,g,j,k,m,n){var o={success:!1,id:c};U.w3&&!(U.wk&&U.wk<312)&&a&&c&&d&&e&&f?(u(c,!1),b(function(){d+="",e+="";var b={};if(m&&typeof m===D)for(var p in m)b[p]=m[p];b.data=a,b.width=d,b.height=e;var q={};if(k&&typeof k===D)for(var r in k)q[r]=k[r];if(j&&typeof j===D)for(var t in j)typeof q.flashvars!=C?q.flashvars+="&"+t+"="+j[t]:q.flashvars=t+"="+j[t];if(s(f)){var v=l(b,q,c);b.id==c&&u(c,!0),o.success=!0,o.ref=v}else{if(g&&h())return b.data=g,i(b,q,c,n),void 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null!=a&&(this.src=a),null!=this._flash&&this.owner.flashReady?(this.flashId=this._flash.preload(this.src),this.owner.registerPreloadInstance(this.flashId,this),!0):(this.loading=!0,this.owner._preloadInstances[this.src]=this,!1)},b.handleProgress=function(a,b){this.progress=a/b,this.onprogress&&this.onprogress({loaded:a,total:b,progress:this.progress})},b.handleComplete=function(){this.progress=1,this.readyState=4,this.owner._registerLoadedSrc(this.src,this.originalSrc),createjs.Sound._sendFileLoadEvent(this.originalSrc),this.onload&&this.onload()},b.handleError=function(a){this.onerror&&this.onerror(a)},b.toString=function(){return"[FlashPlugin Loader]"},createjs.FlashPlugin.Loader=a}(),this.createjs=this.createjs||{},function(){var a=createjs.FlashPlugin=createjs.FlashPlugin||{};a.version="NEXT",a.buildDate="Fri, 11 Jan 2013 22:39:59 GMT"}(); | |
| } | |
| } | |
| //////// INITIALIZATION //////// | |
| // Load Typekit | |
| try { | |
| Typekit.load({async: true}); | |
| } catch (ignore) { | |
| // do nothing with errors, we don't want to disrupt the user | |
| } | |
| // Apply mobile-specific styles. | |
| if (perts.isMobile()) { | |
| $j('html').addClass('perts-mobile'); | |
| } | |
| // Blocks backspace key except in the case of textareas and text inputs to | |
| // prevent user navigation. | |
| // http://stackoverflow.com/questions/1495219/how-can-i-prevent-the-backspace-key-from-navigating-back#answer-7895814 | |
| $j(document).keydown(function (e) { | |
| 'use strict'; | |
| var preventKeyPress; | |
| if (e.keyCode === 8) { | |
| var d = e.srcElement || e.target; | |
| switch (d.tagName.toUpperCase()) { | |
| case 'TEXTAREA': | |
| preventKeyPress = d.readOnly || d.disabled; | |
| break; | |
| case 'INPUT': | |
| preventKeyPress = d.readOnly || d.disabled || | |
| (d.attributes.type && $j.inArray(d.attributes.type.value.toLowerCase(), ["radio", "checkbox", "submit", "button"]) >= 0); | |
| break; | |
| case 'DIV': | |
| preventKeyPress = d.readOnly || d.disabled || !(d.attributes.contentEditable && d.attributes.contentEditable.value === "true"); | |
| break; | |
| default: | |
| preventKeyPress = true; | |
| break; | |
| } | |
| } else { | |
| preventKeyPress = false; | |
| } | |
| if (preventKeyPress) { | |
| e.preventDefault(); | |
| } | |
| }); | |
| Qualtrics.SurveyEngine.addOnload(function () { | |
| 'use strict'; | |
| // Connecting back button to the hidden "PreviousButton" IF there is one. | |
| // Sometimes Qualtrics doesn't provide a previous button because it would | |
| // mean going back over a branch. In that case, hide the back button. | |
| if ($j('#PreviousButton').length > 0) { | |
| $j('#BackButton').on('click', function () { | |
| perts.previous(); | |
| }); | |
| } else { | |
| $j('#BackButton').css('visibility', 'hidden'); | |
| } | |
| $j('#PreviousButton, #NextButton').on( | |
| 'click', perts.pageTransition); | |
| // Set up secret keystrokes to get around the various tricks that | |
| // might be blocking navigation. | |
| $j(document.body).keydown(function (event) { | |
| // Ctrl + y | |
| if (event.keyCode === 89 && event.ctrlKey === true) { | |
| perts.next(); | |
| } | |
| // Ctrl + m | |
| if (event.keyCode === 77 && event.ctrlKey === true) { | |
| perts.previous(); | |
| } | |
| }); | |
| // Set up footer. | |
| var currentYear = (new Date()).getFullYear(); | |
| $j('#Footer').html( | |
| '<!-- Set in qualtrics.js -->' + | |
| '<div class="foot-text">' + | |
| '©' + currentYear + ' Stanford University. All Rights Reserved.' + | |
| '</div>' | |
| ); | |
| if (perts.disableAutomaticPdSave) { | |
| // Notify developers that data sync has been skipped. | |
| perts.console.log( | |
| "Automatic saving has been DISABLED in this survey. Data is " + | |
| "NOT being sent back to the Platform unless explicitly saved " + | |
| "via perts.data()."); | |
| } else { | |
| // Get the data embedded in the header and construct an image tag that | |
| // will send the data back to the server. | |
| if (!perts.getPdUrl) { | |
| throw new Error("perts.getPdUrl must be set in the head"); | |
| } | |
| perts.crossSiteGif(perts.getPdUrl(), function errorCallback() { | |
| perts.console.error("Error saving pd."); | |
| }); | |
| } | |
| }); |
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